feat(student-portal): 实现CICD参考项目差距功能 - 错题本/请假/选课/自适应练习/公告/课案/课程计划/成绩报告卡/学情诊断增强

apps/student-portal/src/app/announcements/[id]/page.tsx

@@ -0,0 +1,104 @@
+"use client";
+
+/**
+ * AnnouncementDetail — 公告详情（批次 A）
+ *
+ * 数据源：useAnnouncementDetail + useMarkAnnouncementRead
+ */
+
+import { useEffect } from "react";
+import Link from "next/link";
+import { useParams } from "next/navigation";
+import { useAnnouncementDetail, useMarkAnnouncementRead } from "@/lib/graphql/hooks";
+import type { AnnouncementType } from "@/lib/graphql/types";
+
+const TYPE_LABELS: Record<AnnouncementType, string> = {
+  school: "校级",
+  grade: "年级",
+  class: "班级",
+};
+
+export default function AnnouncementDetailPage(): JSX.Element {
+  const params = useParams();
+  const announcementId = params["id"] as string;
+
+  const { data, fetching, error } = useAnnouncementDetail(announcementId);
+  const { execute: markRead } = useMarkAnnouncementRead();
+
+  useEffect(() => {
+    if (data && !data.isReadByCurrentUser) {
+      markRead({ announcementId: data.id });
+    }
+  }, [data, announcementId, markRead]);
+
+  if (fetching) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          加载中…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            公告加载失败：{error.message}
+          </p>
+        </div>
+      </div>
+    );
+  }
+
+  if (!data) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            未找到该公告
+          </p>
+          <Link href="/announcements" className="mt-4 inline-block btn-secondary text-xs">
+            返回公告列表
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-3xl mx-auto">
+      <Link href="/announcements" className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+        ← 返回公告列表
+      </Link>
+
+      <article className="mt-4">
+        <header className="mb-6">
+          <div className="flex items-center gap-2 mb-2">
+            <span className="badge badge-info">{TYPE_LABELS[data.type]}</span>
+            {data.isPinned && <span className="badge badge-warning">置顶</span>}
+          </div>
+          <h1 className="text-2xl lg:text-3xl font-serif" style={{ color: "var(--color-ink)" }}>
+            {data.title}
+          </h1>
+          <div className="mt-3 flex items-center gap-4 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            <span>{data.authorName ?? "—"}</span>
+            {data.publishedAt && (
+              <span>{new Date(data.publishedAt).toLocaleString("zh-CN")}</span>
+            )}
+          </div>
+        </header>
+
+        <div className="rule-thin mb-6" />
+
+        <div className="prose-sm">
+          <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+            {data.content}
+          </p>
+        </div>
+      </article>
+    </div>
+  );
+}

apps/student-portal/src/app/announcements/page.tsx

@@ -0,0 +1,162 @@
+"use client";
+
+/**
+ * Announcements — 公告列表（批次 A）
+ *
+ * 数据源：useAnnouncements
+ * 视图：公告列表（置顶标记 + 已读/未读状态 + 类型筛选）
+ */
+
+import { useMemo, useState } from "react";
+import Link from "next/link";
+import { useAnnouncements } from "@/lib/graphql/hooks";
+import type { AnnouncementType } from "@/lib/graphql/types";
+
+const TYPE_LABELS: Record<AnnouncementType, string> = {
+  school: "校级",
+  grade: "年级",
+  class: "班级",
+};
+
+export default function AnnouncementsPage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useAnnouncements();
+  const [typeFilter, setTypeFilter] = useState<string>("all");
+
+  const announcements = data ?? [];
+  const filtered = useMemo(() => {
+    const list = typeFilter === "all" ? announcements : announcements.filter((a) => a.type === typeFilter);
+    return [...list].sort((a, b) => {
+      if (a.isPinned !== b.isPinned) return a.isPinned ? -1 : 1;
+      const ta = a.publishedAt ? new Date(a.publishedAt).getTime() : 0;
+      const tb = b.publishedAt ? new Date(b.publishedAt).getTime() : 0;
+      return tb - ta;
+    });
+  }, [announcements, typeFilter]);
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          信息公告
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          公告
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          查看学校、年级及班级发布的通知与公告。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-6" />
+
+      <div className="flex items-center gap-3 mb-6">
+        {(["all", "school", "grade", "class"] as const).map((t) => (
+          <button
+            key={t}
+            type="button"
+            onClick={() => setTypeFilter(t)}
+            className="px-3 py-1.5 rounded-sm text-xs transition-colors"
+            style={{
+              background: typeFilter === t ? "var(--color-accent-muted)" : "transparent",
+              border: `1px solid ${typeFilter === t ? "var(--color-accent)" : "var(--color-rule)"}`,
+              color: typeFilter === t ? "var(--color-accent)" : "var(--color-ink-muted)",
+            }}
+          >
+            {t === "all" ? "全部" : TYPE_LABELS[t]}
+          </button>
+        ))}
+      </div>
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : filtered.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <ul className="space-y-3">
+          {filtered.map((a) => (
+            <li key={a.id}>
+              <Link href={`/announcements/${a.id}`} className="block">
+                <article
+                  className="card-paper p-4 transition-opacity hover:opacity-80"
+                  style={{
+                    borderLeft: a.isPinned ? "3px solid var(--color-accent)" : "1px solid var(--color-rule)",
+                  }}
+                >
+                  <div className="flex items-start justify-between gap-4 mb-1">
+                    <div className="flex items-center gap-2">
+                      <span className="badge badge-info">{TYPE_LABELS[a.type]}</span>
+                      {a.isPinned && (
+                        <span className="badge badge-warning">置顶</span>
+                      )}
+                      {!a.isReadByCurrentUser && (
+                        <span className="inline-block w-2 h-2 rounded-full" style={{ background: "var(--color-accent)" }} aria-label="未读" />
+                      )}
+                    </div>
+                    <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                      {a.publishedAt ? new Date(a.publishedAt).toLocaleDateString("zh-CN") : "—"}
+                    </span>
+                  </div>
+                  <p className="text-sm font-medium" style={{ color: "var(--color-ink)" }}>
+                    {a.title}
+                  </p>
+                  <p className="mt-1 text-xs text-truncate" style={{ color: "var(--color-ink-muted)" }}>
+                    {a.content.slice(0, 80)}...
+                  </p>
+                  <p className="mt-1 text-xs" style={{ color: "var(--color-ink-subtle)" }}>
+                    {a.authorName ?? "—"}
+                  </p>
+                </article>
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-3" aria-busy="true" aria-live="polite">
+      {[0, 1, 2, 3].map((i) => (
+        <div
+          key={i}
+          className="h-20 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载公告...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        公告加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无公告
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/course-plans/[id]/page.tsx

@@ -0,0 +1,221 @@
+"use client";
+
+/**
+ * CoursePlanDetail — 课程计划详情（批次 A）
+ *
+ * 数据源：useCoursePlanDetail
+ * 视图：计划信息 + 周次条目列表（完成状态标记）
+ */
+
+import Link from "next/link";
+import { useParams } from "next/navigation";
+import { useCoursePlanDetail } from "@/lib/graphql/hooks";
+import type { CoursePlanStatus, CoursePlanSemester } from "@/lib/graphql/types";
+
+const STATUS_LABELS: Record<CoursePlanStatus, string> = {
+  planning: "规划中",
+  active: "进行中",
+  completed: "已完成",
+  paused: "已暂停",
+};
+
+const SEMESTER_LABELS: Record<CoursePlanSemester, string> = {
+  "1": "上学期",
+  "2": "下学期",
+};
+
+export default function CoursePlanDetailPage(): JSX.Element {
+  const params = useParams();
+  const planId = params["id"] as string;
+
+  const { data, fetching, error } = useCoursePlanDetail(planId);
+
+  if (fetching) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          加载中…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            课程计划加载失败：{error.message}
+          </p>
+        </div>
+      </div>
+    );
+  }
+
+  if (!data) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            未找到该课程计划
+          </p>
+          <Link href="/course-plans" className="mt-4 inline-block btn-secondary text-xs">
+            返回课程计划
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  const progress = data.totalHours > 0 ? (data.completedHours / data.totalHours) * 100 : 0;
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-4xl mx-auto">
+      <Link href="/course-plans" className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+        ← 返回课程计划
+      </Link>
+
+      <header className="mt-4 mb-6">
+        <div className="flex items-center gap-2 mb-2">
+          {data.subjectName && <span className="badge badge-info">{data.subjectName}</span>}
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            {data.className ?? "—"} · {SEMESTER_LABELS[data.semester]}
+          </span>
+        </div>
+        <h1 className="text-2xl lg:text-3xl font-serif" style={{ color: "var(--color-ink)" }}>
+          {data.subjectName ?? "课程计划"} · {data.teacherName ?? "—"}
+        </h1>
+      </header>
+
+      <div className="rule-thin mb-6" />
+
+      <section className="card-paper p-6 mb-6">
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-4 text-sm mb-4">
+          <div>
+            <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              总课时
+            </p>
+            <p className="mt-1 font-serif text-lg" style={{ color: "var(--color-ink)" }}>
+              {data.totalHours}
+            </p>
+          </div>
+          <div>
+            <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              已完成
+            </p>
+            <p className="mt-1 font-serif text-lg" style={{ color: "var(--color-ink)" }}>
+              {data.completedHours}
+            </p>
+          </div>
+          <div>
+            <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              周课时
+            </p>
+            <p className="mt-1 font-serif text-lg" style={{ color: "var(--color-ink)" }}>
+              {data.weeklyHours}
+            </p>
+          </div>
+          <div>
+            <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              状态
+            </p>
+            <p className="mt-1 text-sm" style={{ color: "var(--color-ink)" }}>
+              {STATUS_LABELS[data.status]}
+            </p>
+          </div>
+        </div>
+        <div className="flex items-center gap-3">
+          <div className="flex-1 h-1.5 rounded-sm overflow-hidden" style={{ background: "var(--color-rule)" }}>
+            <div
+              className="h-full"
+              style={{ width: `${Math.min(progress, 100)}%`, background: "var(--color-accent)" }}
+            />
+          </div>
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            {Math.round(progress)}%
+          </span>
+        </div>
+      </section>
+
+      {data.syllabus && (
+        <section className="mb-6">
+          <h2 className="text-sm uppercase tracking-wider mb-2" style={{ color: "var(--color-ink-muted)" }}>
+            教学大纲
+          </h2>
+          <div className="card-paper p-4">
+            <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+              {data.syllabus}
+            </p>
+          </div>
+        </section>
+      )}
+
+      {data.objectives && (
+        <section className="mb-6">
+          <h2 className="text-sm uppercase tracking-wider mb-2" style={{ color: "var(--color-ink-muted)" }}>
+            教学目标
+          </h2>
+          <div className="card-paper p-4">
+            <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+              {data.objectives}
+            </p>
+          </div>
+        </section>
+      )}
+
+      <section>
+        <h2 className="text-sm uppercase tracking-wider mb-3" style={{ color: "var(--color-ink-muted)" }}>
+          周次安排
+        </h2>
+        <ul className="space-y-2">
+          {data.items.map((item) => (
+            <li key={item.id}>
+              <article
+                className="card-paper p-4"
+                style={{
+                  borderLeft: item.isCompleted ? "3px solid var(--color-success)" : "1px solid var(--color-rule)",
+                }}
+              >
+                <div className="flex items-start justify-between gap-4">
+                  <div className="min-w-0 flex-1">
+                    <div className="flex items-center gap-2 mb-1">
+                      <span className="text-xs font-serif" style={{ color: "var(--color-ink)" }}>
+                        第 {item.week} 周
+                      </span>
+                      <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                        {item.hours} 课时
+                      </span>
+                      {item.isCompleted ? (
+                        <span className="badge badge-success">已完成</span>
+                      ) : (
+                        <span className="badge badge-warning">未完成</span>
+                      )}
+                    </div>
+                    <p className="text-sm font-medium" style={{ color: "var(--color-ink)" }}>
+                      {item.topic}
+                    </p>
+                    {item.content && (
+                      <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                        {item.content}
+                      </p>
+                    )}
+                    {item.textbookChapter && (
+                      <p className="mt-1 text-xs" style={{ color: "var(--color-ink-subtle)" }}>
+                        教材：{item.textbookChapter}
+                      </p>
+                    )}
+                    {item.notes && (
+                      <p className="mt-1 text-xs italic" style={{ color: "var(--color-ink-subtle)" }}>
+                        备注：{item.notes}
+                      </p>
+                    )}
+                  </div>
+                </div>
+              </article>
+            </li>
+          ))}
+        </ul>
+      </section>
+    </div>
+  );
+}

apps/student-portal/src/app/course-plans/page.tsx

@@ -0,0 +1,153 @@
+"use client";
+
+/**
+ * CoursePlans — 课程计划列表（批次 A）
+ *
+ * 数据源：useMyCoursePlans
+ * 视图：课程计划列表（进度条 + 状态 + 周课时）
+ */
+
+import Link from "next/link";
+import { useMyCoursePlans } from "@/lib/graphql/hooks";
+import type { CoursePlanStatus, CoursePlanSemester } from "@/lib/graphql/types";
+
+const STATUS_LABELS: Record<CoursePlanStatus, string> = {
+  planning: "规划中",
+  active: "进行中",
+  completed: "已完成",
+  paused: "已暂停",
+};
+
+const STATUS_BADGE: Record<CoursePlanStatus, string> = {
+  planning: "badge-warning",
+  active: "badge-success",
+  completed: "badge-info",
+  paused: "badge-warning",
+};
+
+const SEMESTER_LABELS: Record<CoursePlanSemester, string> = {
+  "1": "上学期",
+  "2": "下学期",
+};
+
+export default function CoursePlansPage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useMyCoursePlans();
+  const plans = data ?? [];
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          教学进度
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          课程计划
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          查看各学科本学期教学计划与完成进度。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : plans.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <ul className="space-y-4">
+          {plans.map((p) => {
+            const progress = p.totalHours > 0 ? (p.completedHours / p.totalHours) * 100 : 0;
+            return (
+              <li key={p.id}>
+                <Link href={`/course-plans/${p.id}`} className="block">
+                  <article className="card-paper p-5 transition-opacity hover:opacity-80">
+                    <div className="flex items-start justify-between gap-4 mb-2">
+                      <div className="flex items-center gap-2">
+                        {p.subjectName && <span className="badge badge-info">{p.subjectName}</span>}
+                        <span className={`badge ${STATUS_BADGE[p.status]}`}>
+                          {STATUS_LABELS[p.status]}
+                        </span>
+                        <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                          {SEMESTER_LABELS[p.semester]}
+                        </span>
+                      </div>
+                      <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                        {p.completedHours}/{p.totalHours} 课时
+                      </span>
+                    </div>
+                    <p className="text-sm font-medium" style={{ color: "var(--color-ink)" }}>
+                      {p.className ?? "—"} · {p.teacherName ?? "—"}
+                    </p>
+                    {p.syllabus && (
+                      <p className="mt-1 text-xs text-truncate" style={{ color: "var(--color-ink-muted)" }}>
+                        {p.syllabus}
+                      </p>
+                    )}
+                    <div className="mt-3 flex items-center gap-3">
+                      <div className="flex-1 h-1.5 rounded-sm overflow-hidden" style={{ background: "var(--color-rule)" }}>
+                        <div
+                          className="h-full"
+                          style={{ width: `${Math.min(progress, 100)}%`, background: "var(--color-accent)" }}
+                        />
+                      </div>
+                      <span className="text-xs flex-shrink-0" style={{ color: "var(--color-ink-muted)" }}>
+                        {Math.round(progress)}%
+                      </span>
+                    </div>
+                  </article>
+                </Link>
+              </li>
+            );
+          })}
+        </ul>
+      )}
+    </div>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-4" aria-busy="true" aria-live="polite">
+      {[0, 1, 2].map((i) => (
+        <div
+          key={i}
+          className="h-24 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载课程计划...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        课程计划加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无课程计划
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/dashboard/weakness/page.tsx

@@ -3,9 +3,11 @@
 /**
  * 学情诊断页（ai14，P4，路由 /dashboard/weakness）
  *
- * - 消费 useMyWeakness 查询
- * - 雷达图（recharts）按科目展示掌握度
- * - 薄弱知识点卡片：科目、知识点、掌握度、建议
+ * - 消费 useMyWeakness 查询：科目掌握度雷达图 + 薄弱知识点卡片
+ * - 消费 useMyMasterySummary 查询：知识点掌握度雷达图 + 置信度等级
+ * - 消费 useMyDiagnosticReports 查询：诊断报告列表（优势/弱项/建议）
+ *
+ * 三态覆盖：加载 / 错误 / 空
  */
 
 import { useMemo } from "react";
@@ -18,27 +20,54 @@ import {
   ResponsiveContainer,
   Tooltip,
 } from "recharts";
-import { useMyWeakness } from "@/lib/graphql/hooks";
-import type { RecommendedAction, WeaknessPoint } from "@/lib/graphql/types";
+import {
+  useMyDiagnosticReports,
+  useMyMasterySummary,
+  useMyWeakness,
+} from "@/lib/graphql/hooks";
+import type {
+  ConfidenceLevel,
+  DiagnosticReport,
+  RecommendedAction,
+  WeaknessPoint,
+} from "@/lib/graphql/types";
 
-interface RadarDatum {
+interface SubjectRadarDatum {
   subject: string;
   mastery: number;
   fullMark: number;
 }
 
+interface KnowledgeRadarDatum {
+  knowledge: string;
+  mastery: number;
+  fullMark: number;
+}
+
 const RECOMMENDED_ACTION_LABEL: Record<RecommendedAction, string> = {
   review: "建议复习",
   practice: "建议练习",
   mastered: "已掌握",
 };
 
+const CONFIDENCE_LEVEL_LABEL: Record<ConfidenceLevel, string> = {
+  low: "低置信度",
+  medium: "中置信度",
+  high: "高置信度",
+};
+
+const CONFIDENCE_LEVEL_COLOR: Record<ConfidenceLevel, string> = {
+  low: "var(--color-danger)",
+  medium: "var(--color-warning)",
+  high: "var(--color-success)",
+};
+
 function masteryPercent(mastery: number): number {
   return Math.round(Math.max(0, Math.min(1, mastery)) * 100);
 }
 
 /** 按科目聚合平均掌握度 */
-function aggregateBySubject(items: WeaknessPoint[]): RadarDatum[] {
+function aggregateBySubject(items: WeaknessPoint[]): SubjectRadarDatum[] {
   const map = new Map<string, { sum: number; count: number }>();
   for (const item of items) {
     const name = item.subject.name;
@@ -54,10 +83,49 @@ function aggregateBySubject(items: WeaknessPoint[]): RadarDatum[] {
   }));
 }
 
+/** 排序诊断报告（按 createdAt 降序） */
+function sortReportsByDateDesc(reports: DiagnosticReport[]): DiagnosticReport[] {
+  return [...reports].sort((a, b) => {
+    const ta = new Date(a.createdAt).getTime();
+    const tb = new Date(b.createdAt).getTime();
+    return tb - ta;
+  });
+}
+
 export default function WeaknessPage(): React.ReactNode {
-  const { data, fetching, error, reexecute } = useMyWeakness();
-  const items = data ?? [];
+  const {
+    data: weaknessData,
+    fetching: weaknessFetching,
+    error: weaknessError,
+    reexecute: reexecuteWeakness,
+  } = useMyWeakness();
+  const {
+    data: masteryData,
+    fetching: masteryFetching,
+    error: masteryError,
+    reexecute: reexecuteMastery,
+  } = useMyMasterySummary();
+  const {
+    data: reportsData,
+    fetching: reportsFetching,
+    error: reportsError,
+    reexecute: reexecuteReports,
+  } = useMyDiagnosticReports();
+
+  const items = weaknessData ?? [];
   const radarData = useMemo(() => aggregateBySubject(items), [items]);
+  const masteryRadarData = useMemo<KnowledgeRadarDatum[]>(() => {
+    if (!masteryData) return [];
+    return masteryData.mastery.map((m) => ({
+      knowledge: m.knowledgePointName,
+      mastery: Math.round(Math.max(0, Math.min(100, m.masteryLevel))),
+      fullMark: 100,
+    }));
+  }, [masteryData]);
+  const sortedReports = useMemo(
+    () => (reportsData ? sortReportsByDateDesc(reportsData) : []),
+    [reportsData],
+  );
 
   return (
     <main
@@ -68,33 +136,135 @@ export default function WeaknessPage(): React.ReactNode {
         <h1 id="weakness-title" className="font-serif text-2xl text-ink">
           学情诊断
         </h1>
-        <p className="mt-xs text-sm text-ink-muted">各科目知识点掌握度雷达图</p>
+        <p className="mt-xs text-sm text-ink-muted">
+          各科目与知识点掌握度雷达图 + 诊断报告
+        </p>
       </header>
 
       <div className="rule-thin mb-lg" />
 
-      {fetching ? (
-        <p className="text-sm text-ink-muted" aria-live="polite">
-          加载中…
+      {/* 综合掌握度概览（来自 masterySummary） */}
+      {masteryFetching ? (
+        <p className="text-sm text-ink-muted mb-lg" aria-live="polite">
+          加载掌握度摘要…
         </p>
-      ) : error ? (
+      ) : masteryError ? (
         <div className="mark-left py-md px-md mb-md" aria-live="assertive">
-          <p className="text-sm text-ink">{error.message || "加载失败"}</p>
+          <p className="text-sm text-ink">
+            {masteryError.message || "掌握度摘要加载失败"}
+          </p>
           <button
             type="button"
             className="btn-secondary mt-sm"
-            onClick={() => reexecute()}
+            onClick={() => reexecuteMastery()}
+          >
+            重试
+          </button>
+        </div>
+      ) : masteryData ? (
+        <section
+          className="card-paper p-lg mb-lg"
+          aria-label="掌握度概览"
+        >
+          <div className="flex items-center justify-between gap-md flex-wrap">
+            <div>
+              <h2 className="font-serif text-base text-ink mb-xs">
+                综合掌握度
+              </h2>
+              <p className="text-xs text-ink-subtle">
+                覆盖 {masteryData.totalKnowledgePoints} 个知识点
+              </p>
+            </div>
+            <div className="flex items-center gap-md">
+              <div className="text-right">
+                <p className="text-3xl font-serif text-ink">
+                  {masteryData.averageMastery}
+                  <span className="text-base text-ink-muted">%</span>
+                </p>
+                <p className="text-xs text-ink-subtle">平均掌握度</p>
+              </div>
+              <span
+                className="badge"
+                style={{
+                  color: CONFIDENCE_LEVEL_COLOR[masteryData.confidenceLevel],
+                  borderColor: CONFIDENCE_LEVEL_COLOR[masteryData.confidenceLevel],
+                }}
+              >
+                {CONFIDENCE_LEVEL_LABEL[masteryData.confidenceLevel]}
+              </span>
+            </div>
+          </div>
+        </section>
+      ) : null}
+
+      {/* 知识点掌握度雷达图（来自 masterySummary） */}
+      {masteryData && masteryRadarData.length > 0 && (
+        <section
+          className="card-paper p-lg mb-lg"
+          aria-label="知识点掌握度雷达图"
+        >
+          <h2 className="font-serif text-base text-ink mb-md">
+            知识点掌握度
+          </h2>
+          <div style={{ width: "100%", height: 320 }}>
+            <ResponsiveContainer width="100%" height="100%">
+              <RadarChart data={masteryRadarData} outerRadius="70%">
+                <PolarGrid stroke="var(--color-rule)" />
+                <PolarAngleAxis
+                  dataKey="knowledge"
+                  tick={{ fill: "var(--color-ink-muted)", fontSize: 11 }}
+                />
+                <PolarRadiusAxis
+                  angle={90}
+                  domain={[0, 100]}
+                  tick={{ fill: "var(--color-ink-subtle)", fontSize: 10 }}
+                />
+                <Radar
+                  name="掌握度"
+                  dataKey="mastery"
+                  stroke="var(--color-accent)"
+                  fill="var(--color-accent)"
+                  fillOpacity={0.35}
+                />
+                <Tooltip
+                  contentStyle={{
+                    background: "var(--color-paper)",
+                    border: "1px solid var(--color-rule)",
+                    borderRadius: "var(--radius-base)",
+                    fontSize: 12,
+                  }}
+                  labelStyle={{ color: "var(--color-ink)" }}
+                />
+              </RadarChart>
+            </ResponsiveContainer>
+          </div>
+        </section>
+      )}
+
+      {/* 科目掌握度雷达图（来自 weakness 聚合） */}
+      {weaknessFetching ? (
+        <p className="text-sm text-ink-muted mb-lg" aria-live="polite">
+          加载中…
+        </p>
+      ) : weaknessError ? (
+        <div className="mark-left py-md px-md mb-md" aria-live="assertive">
+          <p className="text-sm text-ink">
+            {weaknessError.message || "加载失败"}
+          </p>
+          <button
+            type="button"
+            className="btn-secondary mt-sm"
+            onClick={() => reexecuteWeakness()}
           >
             重试
           </button>
         </div>
       ) : items.length === 0 ? (
-        <p className="text-sm text-ink-muted" role="status">
+        <p className="text-sm text-ink-muted mb-lg" role="status">
           暂无薄弱知识点数据，继续保持！
         </p>
       ) : (
         <>
-          {/* 雷达图 */}
           <section
             className="card-paper p-lg mb-lg"
             aria-label="科目掌握度雷达图"
@@ -135,7 +305,7 @@ export default function WeaknessPage(): React.ReactNode {
           </section>
 
           {/* 薄弱知识点卡片 */}
-          <section aria-label="薄弱知识点列表">
+          <section aria-label="薄弱知识点列表" className="mb-lg">
             <h2 className="font-serif text-base text-ink mb-md">薄弱知识点</h2>
             <ul className="space-y-md">
               {items.map((item: WeaknessPoint) => {
@@ -177,6 +347,146 @@ export default function WeaknessPage(): React.ReactNode {
           </section>
         </>
       )}
+
+      {/* 诊断报告列表（来自 diagnosticReports） */}
+      <section aria-label="诊断报告列表">
+        <h2 className="font-serif text-base text-ink mb-md">诊断报告</h2>
+        {reportsFetching ? (
+          <p className="text-sm text-ink-muted" aria-live="polite">
+            加载诊断报告…
+          </p>
+        ) : reportsError ? (
+          <div className="mark-left py-md px-md" aria-live="assertive">
+            <p className="text-sm text-ink">
+              {reportsError.message || "诊断报告加载失败"}
+            </p>
+            <button
+              type="button"
+              className="btn-secondary mt-sm"
+              onClick={() => reexecuteReports()}
+            >
+              重试
+            </button>
+          </div>
+        ) : sortedReports.length === 0 ? (
+          <p className="text-sm text-ink-muted" role="status">
+            暂无诊断报告。
+          </p>
+        ) : (
+          <ul className="space-y-md">
+            {sortedReports.map((report) => (
+              <li key={report.id}>
+                <DiagnosticReportCard report={report} />
+              </li>
+            ))}
+          </ul>
+        )}
+      </section>
     </main>
   );
 }
+
+/** 诊断报告卡片 */
+function DiagnosticReportCard({
+  report,
+}: {
+  report: DiagnosticReport;
+}): JSX.Element {
+  const reportDate = new Date(report.createdAt);
+  const dateLabel = isNaN(reportDate.getTime())
+    ? report.createdAt
+    : reportDate.toLocaleDateString("zh-CN", {
+        year: "numeric",
+        month: "long",
+        day: "numeric",
+      });
+
+  return (
+    <article className="card-paper p-md">
+      <div className="flex items-center justify-between gap-md mb-xs flex-wrap">
+        <div className="flex items-center gap-sm flex-wrap">
+          <span className="badge badge-info">{report.period ?? "—"}</span>
+          {report.overallScore !== null && (
+            <span
+              className="text-sm font-serif"
+              style={{ color: "var(--color-ink)" }}
+            >
+              综合分 {report.overallScore}
+            </span>
+          )}
+        </div>
+        <span className="text-xs text-ink-subtle">{dateLabel}</span>
+      </div>
+
+      {report.summary && (
+        <p className="text-sm text-ink mt-xs">{report.summary}</p>
+      )}
+
+      {report.strengths && report.strengths.length > 0 && (
+        <div className="mt-sm">
+          <p className="text-xs font-serif text-ink mb-xs">优势</p>
+          <ul className="space-y-xs">
+            {report.strengths.map((s, i) => (
+              <li
+                key={i}
+                className="text-xs text-ink-muted flex items-start gap-xs"
+              >
+                <span
+                  style={{ color: "var(--color-success)" }}
+                  aria-hidden="true"
+                >
+                  ✓
+                </span>
+                <span>{s}</span>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+
+      {report.weaknesses && report.weaknesses.length > 0 && (
+        <div className="mt-sm">
+          <p className="text-xs font-serif text-ink mb-xs">弱项</p>
+          <ul className="space-y-xs">
+            {report.weaknesses.map((w, i) => (
+              <li
+                key={i}
+                className="text-xs text-ink-muted flex items-start gap-xs"
+              >
+                <span
+                  style={{ color: "var(--color-warning)" }}
+                  aria-hidden="true"
+                >
+                  !
+                </span>
+                <span>{w}</span>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+
+      {report.recommendations && report.recommendations.length > 0 && (
+        <div className="mt-sm">
+          <p className="text-xs font-serif text-ink mb-xs">建议</p>
+          <ul className="space-y-xs">
+            {report.recommendations.map((r, i) => (
+              <li
+                key={i}
+                className="text-xs text-ink-muted flex items-start gap-xs"
+              >
+                <span
+                  style={{ color: "var(--color-accent)" }}
+                  aria-hidden="true"
+                >
+                  →
+                </span>
+                <span>{r}</span>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+    </article>
+  );
+}

apps/student-portal/src/app/elective/[id]/page.tsx

@@ -0,0 +1,238 @@
+"use client";
+
+/**
+ * ElectiveDetail — 选课详情（批次 A）
+ *
+ * 数据源：useAvailableElectiveCourses（按 id 过滤）
+ *         + useMyElectiveSelections + useSelectElectiveCourse + useDropElectiveCourse
+ */
+
+import Link from "next/link";
+import { useParams, useRouter } from "next/navigation";
+import {
+  useAvailableElectiveCourses,
+  useMyElectiveSelections,
+  useSelectElectiveCourse,
+  useDropElectiveCourse,
+} from "@/lib/graphql/hooks";
+import type { ElectiveCourseStatus } from "@/lib/graphql/types";
+
+const COURSE_STATUS_LABELS: Record<ElectiveCourseStatus, string> = {
+  draft: "草稿",
+  open: "开放选课",
+  closed: "已截止",
+  cancelled: "已取消",
+};
+
+export default function ElectiveDetailPage(): JSX.Element {
+  const params = useParams();
+  const router = useRouter();
+  const courseId = params["id"] as string;
+
+  const { data: courses, fetching, error } = useAvailableElectiveCourses();
+  const { data: selections, reexecute: reexecuteSel } = useMyElectiveSelections();
+  const { execute: selectExecute, fetching: selectFetching } = useSelectElectiveCourse();
+  const { execute: dropExecute, fetching: dropFetching } = useDropElectiveCourse();
+
+  const course = (courses ?? []).find((c) => c.id === courseId) ?? null;
+  const mySelection = (selections ?? []).find((s) => s.courseId === courseId) ?? null;
+  const isEnrolled = mySelection?.status === "enrolled" || mySelection?.status === "selected";
+
+  const handleSelect = (): void => {
+    selectExecute({ courseId });
+    reexecuteSel();
+  };
+
+  const handleDrop = (): void => {
+    dropExecute({ courseId });
+    reexecuteSel();
+  };
+
+  if (fetching) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          加载中…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            课程加载失败：{error.message}
+          </p>
+          <button type="button" onClick={() => router.back()} className="mt-4 btn-secondary text-xs">
+            返回
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+  if (!course) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-4xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            未找到该课程
+          </p>
+          <Link href="/elective" className="mt-4 inline-block btn-secondary text-xs">
+            返回选课中心
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  const fillRate = course.capacity > 0 ? course.enrolledCount / course.capacity : 0;
+  const isFull = course.enrolledCount >= course.capacity;
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-4xl mx-auto">
+      <Link
+        href="/elective"
+        className="text-xs"
+        style={{ color: "var(--color-ink-muted)" }}
+      >
+        ← 返回选课中心
+      </Link>
+
+      <header className="mt-4 mb-6">
+        <div className="flex items-center gap-2 mb-2">
+          <span className="badge badge-info">{course.subjectName ?? "—"}</span>
+          <span className={`badge ${course.status === "open" ? "badge-success" : "badge-warning"}`}>
+            {COURSE_STATUS_LABELS[course.status]}
+          </span>
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            {course.selectionMode === "fcfs" ? "先到先得" : "抽签"}
+          </span>
+        </div>
+        <h1 className="text-3xl font-serif" style={{ color: "var(--color-ink)" }}>
+          {course.name}
+        </h1>
+      </header>
+
+      <div className="rule-thin mb-6" />
+
+      {course.description && (
+        <section className="mb-6">
+          <h2 className="text-sm uppercase tracking-wider mb-2" style={{ color: "var(--color-ink-muted)" }}>
+            课程简介
+          </h2>
+          <p className="text-sm" style={{ color: "var(--color-ink)" }}>
+            {course.description}
+          </p>
+        </section>
+      )}
+
+      <section className="card-paper p-6 mb-6">
+        <dl className="grid grid-cols-2 gap-4 text-sm">
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              授课教师
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>{course.teacherName ?? "—"}</dd>
+          </div>
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              上课教室
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>{course.classroom ?? "—"}</dd>
+          </div>
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              上课时间
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>{course.schedule ?? "—"}</dd>
+          </div>
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              学分
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>{course.credit}</dd>
+          </div>
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              课程周期
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>
+              {course.startDate ?? "—"} 至 {course.endDate ?? "—"}
+            </dd>
+          </div>
+          <div>
+            <dt className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              年级
+            </dt>
+            <dd className="mt-1" style={{ color: "var(--color-ink)" }}>{course.gradeName ?? "—"}</dd>
+          </div>
+        </dl>
+      </section>
+
+      <section className="card-paper p-6 mb-6">
+        <div className="flex items-center justify-between gap-4">
+          <div>
+            <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+              容量
+            </p>
+            <p className="mt-1 text-2xl font-serif" style={{ color: "var(--color-ink)" }}>
+              {course.enrolledCount}<span className="text-sm" style={{ color: "var(--color-ink-muted)" }}>/{course.capacity}</span>
+            </p>
+          </div>
+          <div className="flex-1 max-w-xs h-2 rounded-sm overflow-hidden" style={{ background: "var(--color-rule)" }}>
+            <div
+              className="h-full"
+              style={{
+                width: `${Math.min(fillRate * 100, 100)}%`,
+                background: isFull ? "var(--color-danger)" : "var(--color-accent)",
+              }}
+            />
+          </div>
+        </div>
+      </section>
+
+      {course.selectionStartAt && course.selectionEndAt && (
+        <section className="card-paper p-6 mb-6">
+          <h2 className="text-sm uppercase tracking-wider mb-2" style={{ color: "var(--color-ink-muted)" }}>
+            选课时间
+          </h2>
+          <p className="text-sm" style={{ color: "var(--color-ink)" }}>
+            {new Date(course.selectionStartAt).toLocaleString("zh-CN")} 至{" "}
+            {new Date(course.selectionEndAt).toLocaleString("zh-CN")}
+          </p>
+          {course.dropDeadline && (
+            <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+              退选截止：{new Date(course.dropDeadline).toLocaleString("zh-CN")}
+            </p>
+          )}
+        </section>
+      )}
+
+      <div className="flex gap-3">
+        {course.status === "open" && !isEnrolled && (
+          <button
+            type="button"
+            onClick={handleSelect}
+            disabled={isFull || selectFetching}
+            className="btn-primary text-sm disabled:opacity-50"
+          >
+            {selectFetching ? "选课中..." : isFull ? "已满" : "选课"}
+          </button>
+        )}
+        {isEnrolled && (
+          <button
+            type="button"
+            onClick={handleDrop}
+            disabled={dropFetching}
+            className="btn-secondary text-sm disabled:opacity-50"
+          >
+            {dropFetching ? "退选中..." : "退选"}
+          </button>
+        )}
+      </div>
+    </div>
+  );
+}

apps/student-portal/src/app/elective/page.tsx

@@ -0,0 +1,269 @@
+"use client";
+
+/**
+ * Elective — 选课中心（批次 A）
+ *
+ * 数据源：useAvailableElectiveCourses + useMyElectiveSelections
+ *         + useSelectElectiveCourse + useDropElectiveCourse
+ * 视图：我的选课 + 可选课程列表（容量进度 + 选课/退选操作）
+ */
+
+import Link from "next/link";
+import {
+  useAvailableElectiveCourses,
+  useMyElectiveSelections,
+  useSelectElectiveCourse,
+  useDropElectiveCourse,
+} from "@/lib/graphql/hooks";
+import type { CourseSelectionStatus, ElectiveCourse, ElectiveCourseStatus } from "@/lib/graphql/types";
+
+const COURSE_STATUS_LABELS: Record<ElectiveCourseStatus, string> = {
+  draft: "草稿",
+  open: "开放选课",
+  closed: "已截止",
+  cancelled: "已取消",
+};
+
+const SELECTION_STATUS_LABELS: Record<CourseSelectionStatus, string> = {
+  selected: "已选",
+  enrolled: "已录取",
+  waitlist: "候补",
+  dropped: "已退选",
+  rejected: "未录取",
+};
+
+export default function ElectivePage(): JSX.Element {
+  const { data: courses, fetching, error, reexecute } = useAvailableElectiveCourses();
+  const { data: selections, reexecute: reexecuteSelections } = useMyElectiveSelections();
+  const { execute: selectExecute } = useSelectElectiveCourse();
+  const { execute: dropExecute } = useDropElectiveCourse();
+
+  const availableCourses = courses ?? [];
+  const mySelections = selections ?? [];
+
+  const handleSelect = (courseId: string): void => {
+    selectExecute({ courseId });
+    reexecute();
+    reexecuteSelections();
+  };
+
+  const handleDrop = (courseId: string): void => {
+    dropExecute({ courseId });
+    reexecute();
+    reexecuteSelections();
+  };
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-7xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          选修课程
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          选课中心
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          浏览可选课程并在线选课，支持先到先得与抽签两种模式。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      {mySelections.length > 0 && (
+        <section className="mb-8">
+          <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+            我的选课
+          </h2>
+          <ul className="space-y-3">
+            {mySelections.map((sel) => (
+              <li key={sel.id}>
+                <article className="card-paper p-4 flex items-center justify-between gap-4">
+                  <div className="min-w-0 flex-1">
+                    <div className="flex items-center gap-2 mb-1">
+                      <span className="badge badge-success">
+                        {SELECTION_STATUS_LABELS[sel.status]}
+                      </span>
+                      <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                        学分 {sel.course.credit}
+                      </span>
+                    </div>
+                    <Link
+                      href={`/elective/${sel.courseId}`}
+                      className="text-sm font-medium hover:underline"
+                      style={{ color: "var(--color-ink)" }}
+                    >
+                      {sel.courseName}
+                    </Link>
+                    <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                      {sel.course.teacherName ?? "—"} · {sel.course.schedule ?? "—"}
+                    </p>
+                  </div>
+                  {sel.status === "enrolled" && (
+                    <button
+                      type="button"
+                      onClick={() => handleDrop(sel.courseId)}
+                      className="btn-secondary text-xs flex-shrink-0"
+                    >
+                      退选
+                    </button>
+                  )}
+                </article>
+              </li>
+            ))}
+          </ul>
+        </section>
+      )}
+
+      <section>
+        <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+          可选课程
+        </h2>
+        {fetching ? (
+          <LoadingSkeleton />
+        ) : error ? (
+          <ErrorState message={error.message} onRetry={() => reexecute()} />
+        ) : availableCourses.length === 0 ? (
+          <EmptyState />
+        ) : (
+          <ul className="space-y-4">
+            {availableCourses.map((course) => (
+              <CourseCard
+                key={course.id}
+                course={course}
+                enrolled={mySelections.some(
+                  (s) => s.courseId === course.id && (s.status === "enrolled" || s.status === "selected"),
+                )}
+                onSelect={() => handleSelect(course.id)}
+              />
+            ))}
+          </ul>
+        )}
+      </section>
+    </div>
+  );
+}
+
+function CourseCard({
+  course,
+  enrolled,
+  onSelect,
+}: {
+  course: ElectiveCourse;
+  enrolled: boolean;
+  onSelect: () => void;
+}): JSX.Element {
+  const fillRate = course.capacity > 0 ? course.enrolledCount / course.capacity : 0;
+  const isFull = course.enrolledCount >= course.capacity;
+
+  return (
+    <li>
+      <article className="card-paper p-5">
+        <div className="flex items-start justify-between gap-4 mb-2">
+          <div className="flex items-center gap-2">
+            <span className="badge badge-info">{course.subjectName ?? "—"}</span>
+            <span className={`badge ${course.status === "open" ? "badge-success" : "badge-warning"}`}>
+              {COURSE_STATUS_LABELS[course.status]}
+            </span>
+          </div>
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            {course.selectionMode === "fcfs" ? "先到先得" : "抽签"}
+          </span>
+        </div>
+        <Link
+          href={`/elective/${course.id}`}
+          className="text-base font-serif hover:underline"
+          style={{ color: "var(--color-ink)" }}
+        >
+          {course.name}
+        </Link>
+        {course.description && (
+          <p className="mt-1 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+            {course.description}
+          </p>
+        )}
+        <div className="mt-3 grid grid-cols-2 md:grid-cols-4 gap-3 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+          <span>教师：{course.teacherName ?? "—"}</span>
+          <span>教室：{course.classroom ?? "—"}</span>
+          <span>时间：{course.schedule ?? "—"}</span>
+          <span>学分：{course.credit}</span>
+        </div>
+        <div className="mt-3 flex items-center gap-3">
+          <div className="flex-1 h-2 rounded-sm overflow-hidden" style={{ background: "var(--color-rule)" }}>
+            <div
+              className="h-full"
+              style={{
+                width: `${Math.min(fillRate * 100, 100)}%`,
+                background: isFull ? "var(--color-danger)" : "var(--color-accent)",
+              }}
+            />
+          </div>
+          <span className="text-xs flex-shrink-0" style={{ color: "var(--color-ink-muted)" }}>
+            {course.enrolledCount}/{course.capacity}
+          </span>
+          {course.status === "open" && !enrolled && (
+            <button
+              type="button"
+              onClick={onSelect}
+              disabled={isFull}
+              className="btn-primary text-xs flex-shrink-0 disabled:opacity-50"
+            >
+              {isFull ? "已满" : "选课"}
+            </button>
+          )}
+          {enrolled && (
+            <span className="text-xs flex-shrink-0" style={{ color: "var(--color-success)" }}>
+              已选
+            </span>
+          )}
+        </div>
+      </article>
+    </li>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-4" aria-busy="true" aria-live="polite">
+      {[0, 1, 2].map((i) => (
+        <div
+          key={i}
+          className="h-36 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载可选课程...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        课程列表加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无可选课程
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        选课开放期间将显示可用课程。
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/error-book/page.tsx

@@ -0,0 +1,341 @@
+"use client";
+
+/**
+ * ErrorBook — 错题本（批次 A）
+ *
+ * 数据源：useMyErrorBook + useUpdateErrorBookItem
+ * 视图：统计概览 + 学科/状态筛选 + 错题卡片列表 + SM2 复习自评弹窗
+ */
+
+import { useMemo, useState } from "react";
+import { useMyErrorBook, useUpdateErrorBookItem } from "@/lib/graphql/hooks";
+import type { ErrorBookItem, ErrorBookStatus } from "@/lib/graphql/types";
+
+const STATUS_LABELS: Record<ErrorBookStatus, string> = {
+  new: "待学习",
+  learning: "学习中",
+  mastered: "已掌握",
+  archived: "已归档",
+};
+
+const STATUS_BADGE: Record<ErrorBookStatus, string> = {
+  new: "badge-warning",
+  learning: "badge-info",
+  mastered: "badge-success",
+  archived: "badge-info",
+};
+
+const REVIEW_OPTIONS = [
+  { value: "again", label: "忘记", desc: "1 天后复习" },
+  { value: "hard", label: "困难", desc: "3 天后复习" },
+  { value: "good", label: "良好", desc: "7 天后复习" },
+  { value: "easy", label: "简单", desc: "14 天后复习" },
+] as const;
+
+export default function ErrorBookPage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useMyErrorBook();
+  const [subjectFilter, setSubjectFilter] = useState<string>("all");
+  const [statusFilter, setStatusFilter] = useState<string>("all");
+  const [reviewingId, setReviewingId] = useState<string | null>(null);
+
+  const items = data?.items ?? [];
+  const stats = data?.stats;
+
+  const subjectOptions = useMemo(() => {
+    const set = new Set<string>();
+    items.forEach((i) => set.add(i.subject.name));
+    return Array.from(set);
+  }, [items]);
+
+  const filtered = useMemo(() => {
+    return items.filter((i) => {
+      if (subjectFilter !== "all" && i.subject.name !== subjectFilter) return false;
+      if (statusFilter !== "all" && i.status !== statusFilter) return false;
+      return true;
+    });
+  }, [items, subjectFilter, statusFilter]);
+
+  const reviewingItem = reviewingId ? items.find((i) => i.id === reviewingId) ?? null : null;
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-7xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          错题归纳
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          错题本
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          基于 SM2 间隔重复算法安排复习，标记复习自评以优化记忆曲线。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : items.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <>
+          {stats && <StatsOverview stats={stats} />}
+
+          <div className="flex flex-wrap items-center gap-3 mb-6">
+            <Select
+              label="学科"
+              value={subjectFilter}
+              onChange={setSubjectFilter}
+              options={[{ value: "all", label: "全部学科" }, ...subjectOptions.map((s) => ({ value: s, label: s }))]}
+            />
+            <Select
+              label="状态"
+              value={statusFilter}
+              onChange={setStatusFilter}
+              options={[
+                { value: "all", label: "全部状态" },
+                { value: "new", label: "待学习" },
+                { value: "learning", label: "学习中" },
+                { value: "mastered", label: "已掌握" },
+              ]}
+            />
+          </div>
+
+          <ul className="space-y-4">
+            {filtered.map((item) => (
+              <ErrorCard
+                key={item.id}
+                item={item}
+                onReview={() => setReviewingId(item.id)}
+              />
+            ))}
+          </ul>
+        </>
+      )}
+
+      {reviewingItem && (
+        <ReviewDialog
+          item={reviewingItem}
+          onClose={() => setReviewingId(null)}
+        />
+      )}
+    </div>
+  );
+}
+
+function StatsOverview({ stats }: { stats: NonNullable<ReturnType<typeof useMyErrorBook>["data"]>["stats"] }): JSX.Element {
+  const rate = Math.round(stats.masteredRate * 100);
+  return (
+    <section className="card-paper p-6 mb-6">
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+        <StatBox label="总错题" value={stats.totalCount} />
+        <StatBox label="待学习" value={stats.newCount} />
+        <StatBox label="学习中" value={stats.learningCount} />
+        <StatBox label="已掌握" value={stats.masteredCount} />
+      </div>
+      <div className="mt-4 flex items-center gap-4 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        <span>待复习：{stats.dueReviewCount} 题</span>
+        <span>掌握率：{rate}%</span>
+      </div>
+    </section>
+  );
+}
+
+function StatBox({ label, value }: { label: string; value: number }): JSX.Element {
+  return (
+    <div>
+      <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+        {label}
+      </p>
+      <p className="mt-1 text-2xl font-serif" style={{ color: "var(--color-ink)" }}>
+        {value}
+      </p>
+    </div>
+  );
+}
+
+function Select({
+  label,
+  value,
+  onChange,
+  options,
+}: {
+  label: string;
+  value: string;
+  onChange: (v: string) => void;
+  options: Array<{ value: string; label: string }>;
+}): JSX.Element {
+  return (
+    <label className="flex items-center gap-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+      {label}
+      <select
+        value={value}
+        onChange={(e) => onChange(e.target.value)}
+        className="px-3 py-1.5 rounded-sm text-sm"
+        style={{
+          background: "var(--color-paper)",
+          border: "1px solid var(--color-rule)",
+          color: "var(--color-ink)",
+        }}
+      >
+        {options.map((o) => (
+          <option key={o.value} value={o.value}>
+            {o.label}
+          </option>
+        ))}
+      </select>
+    </label>
+  );
+}
+
+function ErrorCard({ item, onReview }: { item: ErrorBookItem; onReview: () => void }): JSX.Element {
+  const masteryPct = Math.round(item.masteryLevel * 100);
+  return (
+    <li>
+      <article className="card-paper p-5">
+        <div className="flex items-start justify-between gap-4 mb-2">
+          <div className="flex items-center gap-2">
+            <span className="badge badge-info">{item.subject.name}</span>
+            <span className={`badge ${STATUS_BADGE[item.status]}`}>
+              {STATUS_LABELS[item.status]}
+            </span>
+          </div>
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            掌握度 {masteryPct}%
+          </span>
+        </div>
+        <p className="text-sm font-medium" style={{ color: "var(--color-ink)" }}>
+          {item.questionContent}
+        </p>
+        <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+          知识点：{item.knowledgePointName} · 已复习 {item.reviewCount} 次
+        </p>
+        {item.note && (
+          <p className="mt-2 text-xs italic" style={{ color: "var(--color-ink-subtle)" }}>
+            笔记：{item.note}
+          </p>
+        )}
+        {item.nextReviewAt && (
+          <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            下次复习：{new Date(item.nextReviewAt).toLocaleDateString("zh-CN")}
+          </p>
+        )}
+        <div className="mt-3 flex gap-2">
+          <button type="button" onClick={onReview} className="btn-secondary text-xs">
+            复习自评
+          </button>
+        </div>
+      </article>
+    </li>
+  );
+}
+
+function ReviewDialog({ item, onClose }: { item: ErrorBookItem; onClose: () => void }): JSX.Element {
+  const { execute, fetching } = useUpdateErrorBookItem();
+
+  const handleReview = (result: "again" | "hard" | "good" | "easy"): void => {
+    execute({ id: item.id, reviewResult: result });
+    onClose();
+  };
+
+  return (
+    <div
+      role="dialog"
+      aria-modal="true"
+      aria-label="复习自评"
+      className="fixed inset-0 z-50 flex items-center justify-center p-4"
+      style={{ background: "rgba(0,0,0,0.4)" }}
+      onClick={onClose}
+    >
+      <div
+        className="card-paper p-6 max-w-md w-full"
+        onClick={(e) => e.stopPropagation()}
+      >
+        <h3 className="text-lg font-serif mb-2" style={{ color: "var(--color-ink)" }}>
+          复习自评
+        </h3>
+        <p className="text-sm mb-4" style={{ color: "var(--color-ink-muted)" }}>
+          {item.questionContent}
+        </p>
+        <div className="grid grid-cols-2 gap-3">
+          {REVIEW_OPTIONS.map((opt) => (
+            <button
+              key={opt.value}
+              type="button"
+              disabled={fetching}
+              onClick={() => handleReview(opt.value)}
+              className="card-paper p-4 text-center transition-opacity hover:opacity-80 disabled:opacity-50"
+            >
+              <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+                {opt.label}
+              </p>
+              <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                {opt.desc}
+              </p>
+            </button>
+          ))}
+        </div>
+        <button
+          type="button"
+          onClick={onClose}
+          className="mt-4 text-xs"
+          style={{ color: "var(--color-ink-muted)" }}
+        >
+          取消
+        </button>
+      </div>
+    </div>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="card-paper p-6" aria-busy="true" aria-live="polite">
+      <div className="grid grid-cols-4 gap-4 mb-6">
+        {[0, 1, 2, 3].map((i) => (
+          <div key={i} className="h-16 animate-pulse rounded-sm" style={{ background: "var(--color-rule)", opacity: 0.3 }} />
+        ))}
+      </div>
+      <div className="space-y-4">
+        {[0, 1, 2].map((i) => (
+          <div key={i} className="h-24 animate-pulse rounded-sm" style={{ background: "var(--color-rule)", opacity: 0.3 }} />
+        ))}
+      </div>
+      <span className="sr-only">正在加载错题本...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        错题本加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无错题记录
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        做错的题目会自动收录到这里，方便针对性复习。
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/leave/page.tsx

@@ -0,0 +1,354 @@
+"use client";
+
+/**
+ * Leave — 在线请假（批次 A）
+ *
+ * 数据源：useMyLeaveRequests + useCreateLeaveRequest + useCancelLeaveRequest
+ * 视图：请假记录列表 + 新建请假表单（react-hook-form + zod 校验）
+ */
+
+import { useState } from "react";
+import { useForm } from "react-hook-form";
+import { z } from "zod";
+import {
+  useMyLeaveRequests,
+  useCreateLeaveRequest,
+  useCancelLeaveRequest,
+} from "@/lib/graphql/hooks";
+import type { LeaveRequest, LeaveStatus, LeaveType } from "@/lib/graphql/types";
+
+const leaveSchema = z.object({
+  leaveType: z.enum(["sick", "personal", "family", "other"]),
+  startDate: z.string().min(1, "请选择开始日期"),
+  endDate: z.string().min(1, "请选择结束日期"),
+  reason: z.string().min(5, "请填写请假原因（至少 5 字）"),
+});
+
+type LeaveFormData = z.infer<typeof leaveSchema>;
+
+const LEAVE_TYPE_LABELS: Record<LeaveType, string> = {
+  sick: "病假",
+  personal: "事假",
+  family: "家事假",
+  other: "其他",
+};
+
+const LEAVE_STATUS_LABELS: Record<LeaveStatus, string> = {
+  pending: "待审批",
+  approved: "已批准",
+  rejected: "已驳回",
+  cancelled: "已撤销",
+};
+
+const LEAVE_STATUS_BADGE: Record<LeaveStatus, string> = {
+  pending: "badge-warning",
+  approved: "badge-success",
+  rejected: "badge-danger",
+  cancelled: "badge-info",
+};
+
+export default function LeavePage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useMyLeaveRequests();
+  const [showForm, setShowForm] = useState(false);
+
+  const requests = data ?? [];
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          考勤事务
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          在线请假
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          提交请假申请，审批通过后自动同步考勤记录。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      <div className="mb-6">
+        <button
+          type="button"
+          onClick={() => setShowForm((v) => !v)}
+          className="btn-primary text-sm"
+        >
+          {showForm ? "取消" : "新建请假申请"}
+        </button>
+      </div>
+
+      {showForm && (
+        <LeaveForm
+          onSuccess={() => {
+            setShowForm(false);
+            reexecute();
+          }}
+        />
+      )}
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : requests.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <ul className="space-y-4">
+          {requests.map((req) => (
+            <LeaveCard key={req.id} request={req} onCancelled={() => reexecute()} />
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
+
+function LeaveForm({ onSuccess }: { onSuccess: () => void }): JSX.Element {
+  const { execute, fetching, errors } = useCreateLeaveRequest();
+  const {
+    register,
+    handleSubmit,
+    reset,
+    formState: { errors: formErrors },
+  } = useForm<LeaveFormData>({
+    defaultValues: {
+      leaveType: "sick",
+      startDate: "",
+      endDate: "",
+      reason: "",
+    },
+  });
+
+  const onSubmit = (data: LeaveFormData): void => {
+    const result = leaveSchema.safeParse(data);
+    if (!result.success) return;
+    execute({
+      leaveType: result.data.leaveType,
+      startDate: result.data.startDate,
+      endDate: result.data.endDate,
+      reason: result.data.reason,
+    });
+    reset();
+    onSuccess();
+  };
+
+  return (
+    <form
+      onSubmit={handleSubmit(onSubmit)}
+      className="card-paper p-6 mb-6 space-y-4"
+    >
+      <div>
+        <label
+          className="block text-xs uppercase tracking-wider mb-1"
+          style={{ color: "var(--color-ink-muted)" }}
+        >
+          请假类型
+        </label>
+        <select
+          {...register("leaveType")}
+          className="w-full px-3 py-2 rounded-sm text-sm"
+          style={{
+            background: "var(--color-paper)",
+            border: "1px solid var(--color-rule)",
+            color: "var(--color-ink)",
+          }}
+        >
+          <option value="sick">病假</option>
+          <option value="personal">事假</option>
+          <option value="family">家事假</option>
+          <option value="other">其他</option>
+        </select>
+      </div>
+
+      <div className="grid grid-cols-2 gap-4">
+        <div>
+          <label
+            className="block text-xs uppercase tracking-wider mb-1"
+            style={{ color: "var(--color-ink-muted)" }}
+          >
+            开始日期
+          </label>
+          <input
+            type="date"
+            {...register("startDate", { required: "请选择开始日期" })}
+            className="w-full px-3 py-2 rounded-sm text-sm"
+            style={{
+              background: "var(--color-paper)",
+              border: "1px solid var(--color-rule)",
+              color: "var(--color-ink)",
+            }}
+          />
+          {formErrors.startDate && (
+            <p className="mt-1 text-xs" style={{ color: "var(--color-danger)" }}>
+              {formErrors.startDate.message}
+            </p>
+          )}
+        </div>
+        <div>
+          <label
+            className="block text-xs uppercase tracking-wider mb-1"
+            style={{ color: "var(--color-ink-muted)" }}
+          >
+            结束日期
+          </label>
+          <input
+            type="date"
+            {...register("endDate", { required: "请选择结束日期" })}
+            className="w-full px-3 py-2 rounded-sm text-sm"
+            style={{
+              background: "var(--color-paper)",
+              border: "1px solid var(--color-rule)",
+              color: "var(--color-ink)",
+            }}
+          />
+          {formErrors.endDate && (
+            <p className="mt-1 text-xs" style={{ color: "var(--color-danger)" }}>
+              {formErrors.endDate.message}
+            </p>
+          )}
+        </div>
+      </div>
+
+      <div>
+        <label
+          className="block text-xs uppercase tracking-wider mb-1"
+          style={{ color: "var(--color-ink-muted)" }}
+        >
+          请假原因
+        </label>
+        <textarea
+          {...register("reason", { required: "请填写请假原因", minLength: 5 })}
+          rows={3}
+          className="w-full px-3 py-2 rounded-sm text-sm"
+          style={{
+            background: "var(--color-paper)",
+            border: "1px solid var(--color-rule)",
+            color: "var(--color-ink)",
+          }}
+        />
+        {formErrors.reason && (
+          <p className="mt-1 text-xs" style={{ color: "var(--color-danger)" }}>
+            {formErrors.reason.message ?? "请填写请假原因（至少 5 字）"}
+          </p>
+        )}
+      </div>
+
+      {errors.length > 0 && (
+        <p className="text-xs" style={{ color: "var(--color-danger)" }}>
+          {errors[0]?.message}
+        </p>
+      )}
+
+      <div className="flex gap-3">
+        <button type="submit" disabled={fetching} className="btn-primary text-sm disabled:opacity-50">
+          {fetching ? "提交中..." : "提交申请"}
+        </button>
+      </div>
+    </form>
+  );
+}
+
+function LeaveCard({
+  request,
+  onCancelled,
+}: {
+  request: LeaveRequest;
+  onCancelled: () => void;
+}): JSX.Element {
+  const { execute } = useCancelLeaveRequest();
+
+  const handleCancel = (): void => {
+    execute({ id: request.id });
+    onCancelled();
+  };
+
+  return (
+    <li>
+      <article className="card-paper p-5">
+        <div className="flex items-start justify-between gap-4 mb-2">
+          <div className="flex items-center gap-2">
+            <span className="badge badge-info">
+              {LEAVE_TYPE_LABELS[request.leaveType]}
+            </span>
+            <span className={`badge ${LEAVE_STATUS_BADGE[request.status]}`}>
+              {LEAVE_STATUS_LABELS[request.status]}
+            </span>
+          </div>
+          {request.status === "pending" && (
+            <button
+              type="button"
+              onClick={handleCancel}
+              className="text-xs"
+              style={{ color: "var(--color-ink-muted)" }}
+            >
+              撤销
+            </button>
+          )}
+        </div>
+        <p className="text-sm" style={{ color: "var(--color-ink)" }}>
+          {request.startDate} 至 {request.endDate}
+        </p>
+        <p className="mt-1 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          {request.reason}
+        </p>
+        {request.reviewComment && (
+          <p className="mt-2 text-xs italic" style={{ color: "var(--color-ink-subtle)" }}>
+            审批意见（{request.reviewerName}）：{request.reviewComment}
+          </p>
+        )}
+        <p className="mt-2 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+          {request.className} · 考勤同步：{request.attendanceSynced ? "已同步" : "未同步"}
+        </p>
+      </article>
+    </li>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-4" aria-busy="true" aria-live="polite">
+      {[0, 1, 2].map((i) => (
+        <div
+          key={i}
+          className="h-28 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载请假记录...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        请假记录加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无请假记录
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        点击上方"新建请假申请"提交请假。
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/lesson-plans/[id]/view/page.tsx

@@ -0,0 +1,141 @@
+"use client";
+
+/**
+ * LessonPlanDetail — 课案详情（只读视图）（批次 A）
+ *
+ * 数据源：useLessonPlanDetail
+ */
+
+import Link from "next/link";
+import { useParams } from "next/navigation";
+import { useLessonPlanDetail } from "@/lib/graphql/hooks";
+
+export default function LessonPlanDetailPage(): JSX.Element {
+  const params = useParams();
+  const planId = params["id"] as string;
+
+  const { data, fetching, error } = useLessonPlanDetail(planId);
+
+  if (fetching) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          加载中…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            课案加载失败：{error.message}
+          </p>
+        </div>
+      </div>
+    );
+  }
+
+  if (!data) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            未找到该课案
+          </p>
+          <Link href="/lesson-plans" className="mt-4 inline-block btn-secondary text-xs">
+            返回课案列表
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-3xl mx-auto">
+      <Link href="/lesson-plans" className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+        ← 返回课案列表
+      </Link>
+
+      <article className="mt-4">
+        <header className="mb-6">
+          <div className="flex items-center gap-2 mb-2">
+            {data.subjectName && <span className="badge badge-info">{data.subjectName}</span>}
+            {data.gradeName && (
+              <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                {data.gradeName}
+              </span>
+            )}
+          </div>
+          <h1 className="text-2xl lg:text-3xl font-serif" style={{ color: "var(--color-ink)" }}>
+            {data.title}
+          </h1>
+          <div className="mt-3 flex items-center gap-4 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            <span>授课教师：{data.creatorName ?? "—"}</span>
+            {data.chapterTitle && <span>章节：{data.chapterTitle}</span>}
+            {data.publishedAt && (
+              <span>发布：{new Date(data.publishedAt).toLocaleDateString("zh-CN")}</span>
+            )}
+          </div>
+        </header>
+
+        <div className="rule-thin mb-6" />
+
+        <div className="space-y-6">
+          {data.content.objectives && (
+            <Section title="教学目标">
+              <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+                {data.content.objectives}
+              </p>
+            </Section>
+          )}
+
+          {data.content.keyPoints && (
+            <Section title="重点难点">
+              <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+                {data.content.keyPoints}
+              </p>
+            </Section>
+          )}
+
+          {data.content.summary && (
+            <Section title="课堂小结">
+              <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+                {data.content.summary}
+              </p>
+            </Section>
+          )}
+
+          {data.content.homework && (
+            <Section title="课后作业">
+              <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+                {data.content.homework}
+              </p>
+            </Section>
+          )}
+
+          {data.content.blackboard && (
+            <Section title="板书设计">
+              <p className="text-sm leading-relaxed whitespace-pre-wrap" style={{ color: "var(--color-ink)" }}>
+                {data.content.blackboard}
+              </p>
+            </Section>
+          )}
+        </div>
+      </article>
+    </div>
+  );
+}
+
+function Section({ title, children }: { title: string; children: React.ReactNode }): JSX.Element {
+  return (
+    <section>
+      <h2 className="text-sm uppercase tracking-wider mb-2" style={{ color: "var(--color-ink-muted)" }}>
+        {title}
+      </h2>
+      <div className="card-paper p-4">{children}</div>
+    </section>
+  );
+}

apps/student-portal/src/app/lesson-plans/page.tsx

@@ -0,0 +1,124 @@
+"use client";
+
+/**
+ * LessonPlans — 课案列表（批次 A）
+ *
+ * 数据源：useMyLessonPlans
+ * 视图：已发布课案列表（学科/章节/教师/发布时间）
+ */
+
+import Link from "next/link";
+import { useMyLessonPlans } from "@/lib/graphql/hooks";
+
+export default function LessonPlansPage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useMyLessonPlans();
+  const plans = data ?? [];
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          课前预习
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          课案查看
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          查看老师发布的课案，提前了解教学目标与重点。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : plans.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <ul className="space-y-3">
+          {plans.map((p) => (
+            <li key={p.id}>
+              <Link href={`/lesson-plans/${p.id}/view`} className="block">
+                <article className="card-paper p-4 transition-opacity hover:opacity-80">
+                  <div className="flex items-start justify-between gap-4 mb-1">
+                    <div className="flex items-center gap-2">
+                      {p.subjectName && <span className="badge badge-info">{p.subjectName}</span>}
+                      {p.gradeName && (
+                        <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                          {p.gradeName}
+                        </span>
+                      )}
+                    </div>
+                    <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                      {p.publishedAt ? new Date(p.publishedAt).toLocaleDateString("zh-CN") : "—"}
+                    </span>
+                  </div>
+                  <p className="text-sm font-medium" style={{ color: "var(--color-ink)" }}>
+                    {p.title}
+                  </p>
+                  {p.chapterTitle && (
+                    <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                      章节：{p.chapterTitle}
+                    </p>
+                  )}
+                  <p className="mt-1 text-xs" style={{ color: "var(--color-ink-subtle)" }}>
+                    授课教师：{p.creatorName ?? "—"}
+                  </p>
+                </article>
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-3" aria-busy="true" aria-live="polite">
+      {[0, 1, 2, 3].map((i) => (
+        <div
+          key={i}
+          className="h-20 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载课案...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        课案加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无课案
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        老师发布课案后将在此显示。
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/app/my-grades/report-card/page.tsx

@@ -0,0 +1,176 @@
+"use client";
+
+/**
+ * ReportCard — 成绩报告卡（批次 A）
+ *
+ * 数据源：useMyReportCard
+ * 视图：报告卡概览（综合平均分/排名/班级统计）+ 各科目成绩明细
+ */
+
+import { useMyReportCard } from "@/lib/graphql/hooks";
+
+export default function ReportCardPage(): JSX.Element {
+  const { data, fetching, error, reexecute } = useMyReportCard();
+
+  if (fetching) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-5xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          加载中…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-5xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            报告卡加载失败：{error.message}
+          </p>
+          <button type="button" onClick={() => reexecute()} className="mt-4 btn-secondary text-xs">
+            重新加载
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+  if (!data) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-5xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+            ◇
+          </p>
+          <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            暂无报告卡数据
+          </p>
+          <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+            成绩数据汇总后将自动生成报告卡。
+          </p>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          成绩档案
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          成绩报告卡
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          {data.studentName} · {data.className} · {data.academicYearName ?? ""} {data.semester === "1" ? "上学期" : data.semester === "2" ? "下学期" : "全学年"}
+        </p>
+      </header>
+
+      <div className="rule-thin mb-6" />
+
+      <section className="card-paper p-6 mb-6">
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+          <StatBox label="综合平均分" value={data.overallAverage.toFixed(1)} />
+          <StatBox label="班级排名" value={`${data.overallRank}/${data.classTotalStudents}`} />
+          <StatBox label="及格率" value={`${Math.round(data.overallPassRate * 100)}%`} />
+          <StatBox label="优秀率" value={`${Math.round(data.overallExcellentRate * 100)}%`} />
+        </div>
+        <p className="mt-4 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+          班主任：{data.classTeacherName} · 生成时间：{new Date(data.generatedAt).toLocaleString("zh-CN")}
+        </p>
+      </section>
+
+      <section>
+        <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+          各科目成绩
+        </h2>
+        <div className="space-y-4">
+          {data.subjects.map((subj) => (
+            <article key={subj.subjectId} className="card-paper p-5">
+              <div className="flex items-start justify-between gap-4 mb-3">
+                <div>
+                  <p className="text-sm font-serif" style={{ color: "var(--color-ink)" }}>
+                    {subj.subjectName}
+                  </p>
+                  <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                    平均分 {subj.averageScore.toFixed(1)} · 班级排名 {subj.rankInSubject}/{subj.totalStudentsInSubject}
+                  </p>
+                </div>
+                <span className="text-sm font-serif" style={{ color: "var(--color-ink)" }}>
+                  总分 {subj.fullScoreTotal.toFixed(1)}
+                </span>
+              </div>
+              {subj.records.length > 0 && (
+                <table className="w-full text-sm">
+                  <thead>
+                    <tr className="border-b" style={{ borderColor: "var(--color-rule)" }}>
+                      <th className="text-left py-2 text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+                        考试
+                      </th>
+                      <th className="text-right py-2 text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+                        得分
+                      </th>
+                      <th className="text-center py-2 text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+                        等级
+                      </th>
+                      <th className="text-right py-2 text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+                        名次
+                      </th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {subj.records.map((r) => (
+                      <tr key={r.id} className="border-b last:border-b-0" style={{ borderColor: "var(--color-rule)" }}>
+                        <td className="py-2" style={{ color: "var(--color-ink)" }}>
+                          {r.examName}
+                        </td>
+                        <td className="text-right py-2 font-serif" style={{ color: "var(--color-ink)" }}>
+                          {r.score}
+                          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                            {" "}/ {r.maxScore}
+                          </span>
+                        </td>
+                        <td className="text-center py-2">
+                          <span className={`badge ${getBadgeClassForGrade(r.grade)}`}>
+                            {r.grade}
+                          </span>
+                        </td>
+                        <td className="text-right py-2 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                          第 {r.rank} 名
+                        </td>
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
+              )}
+            </article>
+          ))}
+        </div>
+      </section>
+    </div>
+  );
+}
+
+function StatBox({ label, value }: { label: string; value: string }): JSX.Element {
+  return (
+    <div>
+      <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+        {label}
+      </p>
+      <p className="mt-1 text-2xl font-serif" style={{ color: "var(--color-ink)" }}>
+        {value}
+      </p>
+    </div>
+  );
+}
+
+function getBadgeClassForGrade(grade: string): string {
+  if (grade === "优秀") return "badge-success";
+  if (grade === "良好") return "badge-info";
+  if (grade === "及格") return "badge-warning";
+  if (grade === "不及格") return "badge-danger";
+  return "badge-info";
+}

apps/student-portal/src/app/practice/[sessionId]/page.tsx

@@ -0,0 +1,224 @@
+"use client";
+
+/**
+ * PracticeSession — 练习会话答题（批次 A）
+ *
+ * 数据源：useStartPracticeSession（加载会话题目）+ useSubmitPracticeAnswer
+ * 视图：当前题目 + 选项/作答区 + 进度指示 + 答题反馈
+ */
+
+import { useEffect, useState } from "react";
+import Link from "next/link";
+import { useParams } from "next/navigation";
+import {
+  useStartPracticeSession,
+  useSubmitPracticeAnswer,
+} from "@/lib/graphql/hooks";
+import type { PracticeQuestion } from "@/lib/graphql/types";
+
+export default function PracticeSessionPage(): JSX.Element {
+  const params = useParams();
+  const sessionId = params["sessionId"] as string;
+
+  const { data: sessionData, fetching, error, execute: startExecute } = useStartPracticeSession();
+  const { execute: submitExecute, data: submitResult, fetching: submitting } = useSubmitPracticeAnswer();
+  const [currentIndex, setCurrentIndex] = useState(0);
+  const [selectedAnswer, setSelectedAnswer] = useState<string>("");
+  const [textAnswer, setTextAnswer] = useState<string>("");
+  const [feedback, setFeedback] = useState<null | { isCorrect: boolean; correctAnswer: string }>(null);
+  const [started, setStarted] = useState(false);
+
+  useEffect(() => {
+    if (!started) {
+      startExecute({ practiceType: "error_variant", questionCount: 10 });
+      setStarted(true);
+    }
+  }, [started, startExecute]);
+
+  const session = sessionData?.session ?? null;
+  const questions = session?.questions ?? [];
+  const currentQuestion: PracticeQuestion | undefined = questions[currentIndex];
+
+  const handleSubmit = (): void => {
+    if (!currentQuestion) return;
+    const answer = currentQuestion.type === "single-choice" ? selectedAnswer : textAnswer;
+    if (!answer) return;
+    submitExecute({ sessionId: session?.id ?? sessionId, questionId: currentQuestion.questionId, answer });
+    setFeedback(null);
+  };
+
+  useEffect(() => {
+    if (submitResult) {
+      setFeedback({
+        isCorrect: submitResult.isCorrect,
+        correctAnswer: submitResult.correctAnswer,
+      });
+    }
+  }, [submitResult]);
+
+  const handleNext = (): void => {
+    setCurrentIndex((i) => i + 1);
+    setSelectedAnswer("");
+    setTextAnswer("");
+    setFeedback(null);
+  };
+
+  if (fetching && !session) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <p className="text-sm" style={{ color: "var(--color-ink-muted)" }} aria-live="polite">
+          正在加载练习题目…
+        </p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div role="alert" className="card-paper p-6" style={{ borderColor: "var(--color-danger)" }}>
+          <p className="text-sm" style={{ color: "var(--color-danger)" }}>
+            练习加载失败：{error.message}
+          </p>
+          <Link href="/practice" className="mt-4 inline-block btn-secondary text-xs">
+            返回练习列表
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  if (!session || !currentQuestion) {
+    return (
+      <div className="px-6 lg:px-10 py-8 max-w-3xl mx-auto">
+        <div className="card-paper p-8 text-center">
+          <p className="text-base font-serif" style={{ color: "var(--color-ink)" }}>
+            练习已结束
+          </p>
+          <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+            {session
+              ? `已答题 ${session.answeredQuestions}/${session.totalQuestions}，正确 ${session.correctCount} 题`
+              : "未找到练习会话"}
+          </p>
+          <Link href="/practice" className="mt-4 inline-block btn-secondary text-xs">
+            返回练习列表
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  const progress = session.totalQuestions > 0 ? (currentIndex / session.totalQuestions) * 100 : 0;
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-3xl mx-auto">
+      <Link href="/practice" className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+        ← 退出练习
+      </Link>
+
+      <div className="mt-4 mb-6">
+        <div className="flex items-center justify-between mb-2">
+          <span className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+            第 {currentIndex + 1} / {session.totalQuestions} 题
+          </span>
+          <span className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+            已答 {session.answeredQuestions} · 正确 {session.correctCount}
+          </span>
+        </div>
+        <div className="h-1 rounded-sm overflow-hidden" style={{ background: "var(--color-rule)" }}>
+          <div
+            className="h-full transition-all"
+            style={{ width: `${progress}%`, background: "var(--color-accent)" }}
+          />
+        </div>
+      </div>
+
+      <article className="card-paper p-6 mb-6">
+        <p className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+          {currentQuestion.content}
+        </p>
+
+        {currentQuestion.type === "single-choice" && currentQuestion.options.length > 0 ? (
+          <ul className="space-y-2">
+            {currentQuestion.options.map((opt) => (
+              <li key={opt.id}>
+                <label
+                  className="flex items-center gap-3 p-3 rounded-sm cursor-pointer transition-colors"
+                  style={{
+                    background: selectedAnswer === opt.id ? "var(--color-accent-muted)" : "var(--color-paper)",
+                    border: `1px solid ${selectedAnswer === opt.id ? "var(--color-accent)" : "var(--color-rule)"}`,
+                  }}
+                >
+                  <input
+                    type="radio"
+                    name="answer"
+                    value={opt.id}
+                    checked={selectedAnswer === opt.id}
+                    onChange={(e) => setSelectedAnswer(e.target.value)}
+                    disabled={feedback !== null}
+                  />
+                  <span className="text-sm" style={{ color: "var(--color-ink)" }}>
+                    {opt.text}
+                  </span>
+                </label>
+              </li>
+            ))}
+          </ul>
+        ) : (
+          <textarea
+            value={textAnswer}
+            onChange={(e) => setTextAnswer(e.target.value)}
+            disabled={feedback !== null}
+            rows={4}
+            placeholder="请输入你的答案..."
+            className="w-full px-3 py-2 rounded-sm text-sm"
+            style={{
+              background: "var(--color-paper)",
+              border: "1px solid var(--color-rule)",
+              color: "var(--color-ink)",
+            }}
+          />
+        )}
+
+        {feedback && (
+          <div
+            className="mt-4 p-4 rounded-sm"
+            style={{
+              background: feedback.isCorrect ? "var(--color-success-muted, rgba(34,197,94,0.1))" : "rgba(239,68,68,0.1)",
+              border: `1px solid ${feedback.isCorrect ? "var(--color-success)" : "var(--color-danger)"}`,
+            }}
+          >
+            <p
+              className="text-sm font-serif"
+              style={{ color: feedback.isCorrect ? "var(--color-success)" : "var(--color-danger)" }}
+            >
+              {feedback.isCorrect ? "回答正确！" : "回答错误"}
+            </p>
+            {!feedback.isCorrect && (
+              <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                正确答案：{feedback.correctAnswer}
+              </p>
+            )}
+          </div>
+        )}
+      </article>
+
+      <div className="flex gap-3">
+        {!feedback ? (
+          <button
+            type="button"
+            onClick={handleSubmit}
+            disabled={submitting || (!selectedAnswer && !textAnswer)}
+            className="btn-primary text-sm disabled:opacity-50"
+          >
+            {submitting ? "提交中..." : "提交答案"}
+          </button>
+        ) : (
+          <button type="button" onClick={handleNext} className="btn-primary text-sm">
+            下一题
+          </button>
+        )}
+      </div>
+    </div>
+  );
+}

apps/student-portal/src/app/practice/page.tsx

@@ -0,0 +1,207 @@
+"use client";
+
+/**
+ * Practice — 自适应练习（批次 A）
+ *
+ * 数据源：useMyPracticeSessions + useStartPracticeSession
+ * 视图：练习统计 + 会话列表 + 启动新练习
+ */
+
+import { useRouter } from "next/navigation";
+import {
+  useMyPracticeSessions,
+  useStartPracticeSession,
+} from "@/lib/graphql/hooks";
+import type { PracticeStatus, PracticeType } from "@/lib/graphql/types";
+
+const PRACTICE_TYPE_LABELS: Record<PracticeType, string> = {
+  error_variant: "错题变式",
+  knowledge_point: "知识点练习",
+  weak_chapter: "薄弱章节",
+  ai_recommended: "AI 推荐",
+};
+
+const PRACTICE_STATUS_LABELS: Record<PracticeStatus, string> = {
+  in_progress: "进行中",
+  completed: "已完成",
+  abandoned: "已放弃",
+};
+
+const PRACTICE_STATUS_BADGE: Record<PracticeStatus, string> = {
+  in_progress: "badge-info",
+  completed: "badge-success",
+  abandoned: "badge-warning",
+};
+
+export default function PracticePage(): JSX.Element {
+  const router = useRouter();
+  const { data, fetching, error, reexecute } = useMyPracticeSessions();
+  const { execute: startExecute, fetching: startFetching } = useStartPracticeSession();
+
+  const sessions = data?.sessions ?? [];
+  const stats = data?.stats;
+
+  const handleStart = (practiceType: PracticeType): void => {
+    startExecute({ practiceType, questionCount: 10 });
+    // 导航到练习会话页（mock 模式下 sessionId 为临时值）
+    router.push("/practice/session-active");
+  };
+
+  return (
+    <div className="px-6 lg:px-10 py-8 lg:py-10 max-w-5xl mx-auto">
+      <header className="mb-6">
+        <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+          自适应学习
+        </p>
+        <h1 className="mt-2 text-3xl lg:text-4xl font-serif" style={{ color: "var(--color-ink)" }}>
+          自适应练习
+        </h1>
+        <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+          基于薄弱知识点智能出题，按掌握度动态调整难度。
+        </p>
+      </header>
+
+      <div className="rule-thin mb-8" />
+
+      <section className="mb-8">
+        <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+          开始新练习
+        </h2>
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-3">
+          {(Object.keys(PRACTICE_TYPE_LABELS) as PracticeType[]).map((pt) => (
+            <button
+              key={pt}
+              type="button"
+              onClick={() => handleStart(pt)}
+              disabled={startFetching}
+              className="card-paper p-4 text-center transition-opacity hover:opacity-80 disabled:opacity-50"
+            >
+              <p className="text-sm font-serif" style={{ color: "var(--color-ink)" }}>
+                {PRACTICE_TYPE_LABELS[pt]}
+              </p>
+              <p className="mt-1 text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                10 题
+              </p>
+            </button>
+          ))}
+        </div>
+      </section>
+
+      {stats && (
+        <section className="card-paper p-6 mb-6">
+          <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+            练习统计
+          </h2>
+          <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <StatBox label="总会话数" value={stats.totalSessions} />
+            <StatBox label="已完成" value={stats.completedSessions} />
+            <StatBox label="答题总数" value={stats.totalQuestionsAnswered} />
+            <StatBox label="总体正确率" value={`${Math.round(stats.overallAccuracy * 100)}%`} />
+          </div>
+        </section>
+      )}
+
+      {fetching ? (
+        <LoadingSkeleton />
+      ) : error ? (
+        <ErrorState message={error.message} onRetry={() => reexecute()} />
+      ) : sessions.length === 0 ? (
+        <EmptyState />
+      ) : (
+        <section>
+          <h2 className="text-base font-serif mb-4" style={{ color: "var(--color-ink)" }}>
+            练习记录
+          </h2>
+          <ul className="space-y-3">
+            {sessions.map((s) => (
+              <li key={s.id}>
+                <article className="card-paper p-4">
+                  <div className="flex items-start justify-between gap-4 mb-2">
+                    <div className="flex items-center gap-2">
+                      <span className="badge badge-info">
+                        {PRACTICE_TYPE_LABELS[s.practiceType]}
+                      </span>
+                      <span className={`badge ${PRACTICE_STATUS_BADGE[s.status]}`}>
+                        {PRACTICE_STATUS_LABELS[s.status]}
+                      </span>
+                    </div>
+                    <span className="text-sm font-serif" style={{ color: "var(--color-ink)" }}>
+                      {Math.round(s.accuracy * 100)}%
+                    </span>
+                  </div>
+                  <p className="text-xs" style={{ color: "var(--color-ink-muted)" }}>
+                    {s.correctCount}/{s.answeredQuestions} 正确 · 共 {s.totalQuestions} 题
+                  </p>
+                  <p className="mt-1 text-xs" style={{ color: "var(--color-ink-subtle)" }}>
+                    开始：{new Date(s.startedAt).toLocaleString("zh-CN")}
+                    {s.completedAt && ` · 完成：${new Date(s.completedAt).toLocaleString("zh-CN")}`}
+                  </p>
+                </article>
+              </li>
+            ))}
+          </ul>
+        </section>
+      )}
+    </div>
+  );
+}
+
+function StatBox({ label, value }: { label: string; value: string | number }): JSX.Element {
+  return (
+    <div>
+      <p className="text-xs uppercase tracking-wider" style={{ color: "var(--color-ink-muted)" }}>
+        {label}
+      </p>
+      <p className="mt-1 text-2xl font-serif" style={{ color: "var(--color-ink)" }}>
+        {value}
+      </p>
+    </div>
+  );
+}
+
+function LoadingSkeleton(): JSX.Element {
+  return (
+    <div className="space-y-3" aria-busy="true" aria-live="polite">
+      {[0, 1, 2].map((i) => (
+        <div
+          key={i}
+          className="h-20 animate-pulse rounded-sm"
+          style={{ background: "var(--color-rule)", opacity: 0.3 }}
+        />
+      ))}
+      <span className="sr-only">正在加载练习记录...</span>
+    </div>
+  );
+}
+
+function ErrorState({ message, onRetry }: { message: string; onRetry: () => void }): JSX.Element {
+  return (
+    <div role="alert" className="card-paper p-8 text-center" style={{ borderColor: "var(--color-danger)" }}>
+      <p className="text-base font-serif" style={{ color: "var(--color-danger)" }}>
+        练习记录加载失败
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        {message}
+      </p>
+      <button type="button" onClick={onRetry} className="mt-4 btn-secondary text-xs">
+        重新加载
+      </button>
+    </div>
+  );
+}
+
+function EmptyState(): JSX.Element {
+  return (
+    <div className="card-paper p-8 text-center">
+      <p className="text-4xl font-serif" style={{ color: "var(--color-ink-subtle)" }} aria-hidden="true">
+        ◇
+      </p>
+      <p className="mt-4 text-base font-serif" style={{ color: "var(--color-ink)" }}>
+        暂无练习记录
+      </p>
+      <p className="mt-2 text-sm" style={{ color: "var(--color-ink-muted)" }}>
+        选择上方练习类型开始第一次练习。
+      </p>
+    </div>
+  );
+}

apps/student-portal/src/components/app-shell.tsx

@@ -26,14 +26,21 @@ interface NavItem {
 const NAV_ITEMS: NavItem[] = [
   { label: "Dashboard", route: "/dashboard" },
   { label: "我的班级", route: "/my-classes" },
-  { label: "我的考试", route: "/my-exams" },
+  { label: "我的课表", route: "/schedule" },
+  { label: "选课中心", route: "/elective" },
   { label: "我的作业", route: "/my-homework" },
+  { label: "我的考试", route: "/my-exams" },
   { label: "我的成绩", route: "/my-grades" },
   { label: "我的考勤", route: "/my-attendance" },
-  { label: "我的课表", route: "/schedule" },
+  { label: "错题本", route: "/error-book" },
+  { label: "在线请假", route: "/leave" },
   { label: "学习路径", route: "/learning-path" },
-  { label: "学情诊断", route: "/diagnostic" },
+  { label: "自适应练习", route: "/practice" },
+  { label: "学情诊断", route: "/dashboard/weakness" },
+  { label: "课案查看", route: "/lesson-plans" },
+  { label: "课程计划", route: "/course-plans" },
   { label: "教材", route: "/textbooks" },
+  { label: "公告", route: "/announcements" },
   { label: "通知中心", route: "/notifications" },
   { label: "AI辅学", route: "/ai-tutor" },
   { label: "系统设置", route: "/settings" },

apps/student-portal/src/lib/graphql/hooks.ts

@@ -17,13 +17,30 @@ import type { CombinedError } from "urql";
 import type {
   ActionError,
   ActionState,
+  AddErrorBookItemInput,
+  AddErrorBookItemResult,
+  Announcement,
   AssignmentAnalysis,
   AttendanceRecord,
+  CancelLeaveRequestInput,
+  CancelLeaveRequestResult,
   ChangePasswordInput,
   ChangePasswordResult,
   ChapterNode,
   ClassInfo,
+  CoursePlanDetail,
+  CoursePlanListItem,
+  CourseSelection,
+  CreateLeaveRequestInput,
+  CreateLeaveRequestResult,
   CurrentUser,
+  DeleteErrorBookItemInput,
+  DeleteErrorBookItemResult,
+  DiagnosticReport,
+  DropElectiveCourseInput,
+  DropElectiveCourseResult,
+  ElectiveCourse,
+  ErrorBookData,
   ExamDetail,
   ExamListItem,
   GradeRecord,
@@ -34,33 +51,49 @@ import type {
   JoinClassResult,
   LeaveClassInput,
   LeaveClassResult,
+  LeaveRequest,
   LearningPathNode,
+  LessonPlanDetail,
+  LessonPlanListItem,
   MarkAllAsReadInput,
   MarkAllAsReadResult,
+  MarkAnnouncementReadInput,
+  MarkAnnouncementReadResult,
   MarkAsReadInput,
   MarkAsReadResult,
+  MasterySummary,
   MutationResponses,
+  MyPracticeSessionsData,
   NotificationItem,
+  PracticeSessionDetail,
   QueryResponses,
   RecordExamViolationInput,
   RecordExamViolationResult,
   RecordPasteEventInput,
   RecordPasteEventResult,
+  ReportCardData,
   RequestExtensionInput,
   RequestExtensionResult,
   SaveExamDraftInput,
   SaveExamDraftResult,
   ScheduleItem,
+  SelectElectiveCourseInput,
+  SelectElectiveCourseResult,
   ServerTime,
+  StartPracticeSessionInput,
   StudentDashboard,
   StudentProfile,
   SubmitExamInput,
   SubmitExamResult,
   SubmitHomeworkInput,
   SubmitHomeworkResult,
+  SubmitPracticeAnswerInput,
+  SubmitPracticeAnswerResult,
   SubjectRef,
   Textbook,
   TrendDataPoint,
+  UpdateErrorBookItemInput,
+  UpdateErrorBookItemResult,
   UpdateNotificationPreferenceInput,
   UpdateNotificationPreferenceResult,
   UpdateProfileInput,
@@ -68,24 +101,44 @@ import type {
   WeaknessPoint,
 } from "./types";
 import {
+  ADD_ERROR_BOOK_ITEM_MUTATION,
+  ANNOUNCEMENT_DETAIL_QUERY,
+  ANNOUNCEMENTS_QUERY,
   ASSIGNMENT_ANALYSIS_QUERY,
+  AVAILABLE_ELECTIVE_COURSES_QUERY,
+  CANCEL_LEAVE_REQUEST_MUTATION,
   CHANGE_PASSWORD_MUTATION,
   CHAPTERS_QUERY,
+  COURSE_PLAN_DETAIL_QUERY,
+  CREATE_LEAVE_REQUEST_MUTATION,
   CURRENT_USER_QUERY,
+  DELETE_ERROR_BOOK_ITEM_MUTATION,
+  DROP_ELECTIVE_COURSE_MUTATION,
   EXAM_DETAIL_QUERY,
   HOMEWORK_DETAIL_QUERY,
   JOIN_CLASS_MUTATION,
   LEAVE_CLASS_MUTATION,
   LEARNING_PATH_QUERY,
+  LESSON_PLAN_DETAIL_QUERY,
   MARK_ALL_AS_READ_MUTATION,
+  MARK_ANNOUNCEMENT_READ_MUTATION,
   MARK_AS_READ_MUTATION,
   MY_ATTENDANCE_QUERY,
   MY_CLASSES_QUERY,
+  MY_COURSE_PLANS_QUERY,
+  MY_DIAGNOSTIC_REPORTS_QUERY,
+  MY_ELECTIVE_SELECTIONS_QUERY,
+  MY_ERROR_BOOK_QUERY,
   MY_EXAMS_QUERY,
   MY_GRADES_QUERY,
   MY_HOMEWORK_QUERY,
+  MY_LEAVE_REQUESTS_QUERY,
+  MY_LESSON_PLANS_QUERY,
+  MY_MASTERY_SUMMARY_QUERY,
   MY_NOTIFICATIONS_QUERY,
+  MY_PRACTICE_SESSIONS_QUERY,
   MY_PROFILE_QUERY,
+  MY_REPORT_CARD_QUERY,
   MY_SCHEDULE_QUERY,
   MY_TREND_QUERY,
   MY_WEAKNESS_QUERY,
@@ -93,12 +146,16 @@ import {
   RECORD_PASTE_EVENT_MUTATION,
   REQUEST_EXTENSION_MUTATION,
   SAVE_EXAM_DRAFT_MUTATION,
+  SELECT_ELECTIVE_COURSE_MUTATION,
   SERVER_TIME_QUERY,
+  START_PRACTICE_SESSION_QUERY,
   STUDENT_DASHBOARD_QUERY,
   STUDENT_GROWTH_QUERY,
   SUBMIT_EXAM_MUTATION,
   SUBMIT_HOMEWORK_MUTATION,
+  SUBMIT_PRACTICE_ANSWER_MUTATION,
   TEXTBOOKS_QUERY,
+  UPDATE_ERROR_BOOK_ITEM_MUTATION,
   UPDATE_NOTIFICATION_PREFERENCE_MUTATION,
   UPDATE_PROFILE_MUTATION,
 } from "./operations";
@@ -923,6 +980,541 @@ export function useLeaveClass(): UseMutationResult<
   };
 }
 
+// ---------------------------------------------------------------------------
+// 批次 A 扩展查询 Hooks
+// ---------------------------------------------------------------------------
+
+/** 我的错题本 */
+export function useMyErrorBook(): UseQueryResult<ErrorBookData> {
+  const [result, reexecute] = useQuery<{
+    myErrorBook: ActionState<ErrorBookData>;
+  }>({ query: MY_ERROR_BOOK_QUERY });
+  const state = result.data?.myErrorBook;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的请假记录 */
+export function useMyLeaveRequests(): UseQueryResult<LeaveRequest[]> {
+  const [result, reexecute] = useQuery<{
+    myLeaveRequests: ActionState<LeaveRequest[]>;
+  }>({ query: MY_LEAVE_REQUESTS_QUERY });
+  const state = result.data?.myLeaveRequests;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的选课记录 */
+export function useMyElectiveSelections(): UseQueryResult<CourseSelection[]> {
+  const [result, reexecute] = useQuery<{
+    myElectiveSelections: ActionState<CourseSelection[]>;
+  }>({ query: MY_ELECTIVE_SELECTIONS_QUERY });
+  const state = result.data?.myElectiveSelections;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 可选课程列表 */
+export function useAvailableElectiveCourses(): UseQueryResult<ElectiveCourse[]> {
+  const [result, reexecute] = useQuery<{
+    availableElectiveCourses: ActionState<ElectiveCourse[]>;
+  }>({ query: AVAILABLE_ELECTIVE_COURSES_QUERY });
+  const state = result.data?.availableElectiveCourses;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的练习会话列表 */
+export function useMyPracticeSessions(): UseQueryResult<MyPracticeSessionsData> {
+  const [result, reexecute] = useQuery<{
+    myPracticeSessions: ActionState<MyPracticeSessionsData>;
+  }>({ query: MY_PRACTICE_SESSIONS_QUERY });
+  const state = result.data?.myPracticeSessions;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 启动练习会话 */
+export function useStartPracticeSession(): UseMutationResult<
+  PracticeSessionDetail,
+  StartPracticeSessionInput
+> {
+  const [result, execute] = useMutation<{
+    startPracticeSession: ActionState<PracticeSessionDetail>;
+  }>(START_PRACTICE_SESSION_QUERY);
+  const state = result.data?.startPracticeSession;
+  const executeMutation = (input: StartPracticeSessionInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 公告列表 */
+export function useAnnouncements(): UseQueryResult<Announcement[]> {
+  const [result, reexecute] = useQuery<{
+    announcements: ActionState<Announcement[]>;
+  }>({ query: ANNOUNCEMENTS_QUERY });
+  const state = result.data?.announcements;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 公告详情 */
+export function useAnnouncementDetail(
+  announcementId: string,
+): UseQueryResult<Announcement> {
+  const [result, reexecute] = useQuery<{
+    announcementDetail: ActionState<Announcement>;
+  }>({
+    query: ANNOUNCEMENT_DETAIL_QUERY,
+    variables: { announcementId },
+  });
+  const state = result.data?.announcementDetail;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的课案列表（仅已发布） */
+export function useMyLessonPlans(): UseQueryResult<LessonPlanListItem[]> {
+  const [result, reexecute] = useQuery<{
+    myLessonPlans: ActionState<LessonPlanListItem[]>;
+  }>({ query: MY_LESSON_PLANS_QUERY });
+  const state = result.data?.myLessonPlans;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 课案详情 */
+export function useLessonPlanDetail(
+  planId: string,
+): UseQueryResult<LessonPlanDetail> {
+  const [result, reexecute] = useQuery<{
+    lessonPlanDetail: ActionState<LessonPlanDetail>;
+  }>({
+    query: LESSON_PLAN_DETAIL_QUERY,
+    variables: { planId },
+  });
+  const state = result.data?.lessonPlanDetail;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的课程计划列表 */
+export function useMyCoursePlans(): UseQueryResult<CoursePlanListItem[]> {
+  const [result, reexecute] = useQuery<{
+    myCoursePlans: ActionState<CoursePlanListItem[]>;
+  }>({ query: MY_COURSE_PLANS_QUERY });
+  const state = result.data?.myCoursePlans;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 课程计划详情 */
+export function useCoursePlanDetail(
+  planId: string,
+): UseQueryResult<CoursePlanDetail> {
+  const [result, reexecute] = useQuery<{
+    coursePlanDetail: ActionState<CoursePlanDetail>;
+  }>({
+    query: COURSE_PLAN_DETAIL_QUERY,
+    variables: { planId },
+  });
+  const state = result.data?.coursePlanDetail;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 成绩报告卡 */
+export function useMyReportCard(
+  academicYearId?: string,
+  semester?: string,
+): UseQueryResult<ReportCardData> {
+  const [result, reexecute] = useQuery<{
+    myReportCard: ActionState<ReportCardData>;
+  }>({
+    query: MY_REPORT_CARD_QUERY,
+    variables: { academicYearId, semester },
+  });
+  const state = result.data?.myReportCard;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的诊断报告列表 */
+export function useMyDiagnosticReports(): UseQueryResult<DiagnosticReport[]> {
+  const [result, reexecute] = useQuery<{
+    myDiagnosticReports: ActionState<DiagnosticReport[]>;
+  }>({ query: MY_DIAGNOSTIC_REPORTS_QUERY });
+  const state = result.data?.myDiagnosticReports;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+/** 我的掌握度摘要 */
+export function useMyMasterySummary(): UseQueryResult<MasterySummary> {
+  const [result, reexecute] = useQuery<{
+    myMasterySummary: ActionState<MasterySummary>;
+  }>({ query: MY_MASTERY_SUMMARY_QUERY });
+  const state = result.data?.myMasterySummary;
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    stale: result.stale,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    reexecute: (opts?: Record<string, unknown>): void => reexecute(opts),
+  };
+}
+
+// ---------------------------------------------------------------------------
+// 批次 A 扩展变更 Hooks
+// ---------------------------------------------------------------------------
+
+/** 添加错题 */
+export function useAddErrorBookItem(): UseMutationResult<
+  AddErrorBookItemResult,
+  AddErrorBookItemInput
+> {
+  const [result, execute] = useMutation<{
+    addErrorBookItem: ActionState<AddErrorBookItemResult>;
+  }>(ADD_ERROR_BOOK_ITEM_MUTATION);
+  const state = result.data?.addErrorBookItem;
+  const executeMutation = (input: AddErrorBookItemInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 更新错题（含复习自评） */
+export function useUpdateErrorBookItem(): UseMutationResult<
+  UpdateErrorBookItemResult,
+  UpdateErrorBookItemInput
+> {
+  const [result, execute] = useMutation<{
+    updateErrorBookItem: ActionState<UpdateErrorBookItemResult>;
+  }>(UPDATE_ERROR_BOOK_ITEM_MUTATION);
+  const state = result.data?.updateErrorBookItem;
+  const executeMutation = (input: UpdateErrorBookItemInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 删除错题 */
+export function useDeleteErrorBookItem(): UseMutationResult<
+  DeleteErrorBookItemResult,
+  DeleteErrorBookItemInput
+> {
+  const [result, execute] = useMutation<{
+    deleteErrorBookItem: ActionState<DeleteErrorBookItemResult>;
+  }>(DELETE_ERROR_BOOK_ITEM_MUTATION);
+  const state = result.data?.deleteErrorBookItem;
+  const executeMutation = (input: DeleteErrorBookItemInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 创建请假申请 */
+export function useCreateLeaveRequest(): UseMutationResult<
+  CreateLeaveRequestResult,
+  CreateLeaveRequestInput
+> {
+  const [result, execute] = useMutation<{
+    createLeaveRequest: ActionState<CreateLeaveRequestResult>;
+  }>(CREATE_LEAVE_REQUEST_MUTATION);
+  const state = result.data?.createLeaveRequest;
+  const executeMutation = (input: CreateLeaveRequestInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 撤销请假申请 */
+export function useCancelLeaveRequest(): UseMutationResult<
+  CancelLeaveRequestResult,
+  CancelLeaveRequestInput
+> {
+  const [result, execute] = useMutation<{
+    cancelLeaveRequest: ActionState<CancelLeaveRequestResult>;
+  }>(CANCEL_LEAVE_REQUEST_MUTATION);
+  const state = result.data?.cancelLeaveRequest;
+  const executeMutation = (input: CancelLeaveRequestInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 选课 */
+export function useSelectElectiveCourse(): UseMutationResult<
+  SelectElectiveCourseResult,
+  SelectElectiveCourseInput
+> {
+  const [result, execute] = useMutation<{
+    selectElectiveCourse: ActionState<SelectElectiveCourseResult>;
+  }>(SELECT_ELECTIVE_COURSE_MUTATION);
+  const state = result.data?.selectElectiveCourse;
+  const executeMutation = (input: SelectElectiveCourseInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 退选 */
+export function useDropElectiveCourse(): UseMutationResult<
+  DropElectiveCourseResult,
+  DropElectiveCourseInput
+> {
+  const [result, execute] = useMutation<{
+    dropElectiveCourse: ActionState<DropElectiveCourseResult>;
+  }>(DROP_ELECTIVE_COURSE_MUTATION);
+  const state = result.data?.dropElectiveCourse;
+  const executeMutation = (input: DropElectiveCourseInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 提交练习答题 */
+export function useSubmitPracticeAnswer(): UseMutationResult<
+  SubmitPracticeAnswerResult,
+  SubmitPracticeAnswerInput
+> {
+  const [result, execute] = useMutation<{
+    submitPracticeAnswer: ActionState<SubmitPracticeAnswerResult>;
+  }>(SUBMIT_PRACTICE_ANSWER_MUTATION);
+  const state = result.data?.submitPracticeAnswer;
+  const executeMutation = (input: SubmitPracticeAnswerInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
+/** 标记公告已读 */
+export function useMarkAnnouncementRead(): UseMutationResult<
+  MarkAnnouncementReadResult,
+  MarkAnnouncementReadInput
+> {
+  const [result, execute] = useMutation<{
+    markAnnouncementRead: ActionState<MarkAnnouncementReadResult>;
+  }>(MARK_ANNOUNCEMENT_READ_MUTATION);
+  const state = result.data?.markAnnouncementRead;
+  const executeMutation = (input: MarkAnnouncementReadInput): void => {
+    void execute({ input });
+  };
+  return {
+    data: unwrapData(state),
+    fetching: result.fetching,
+    error: result.error,
+    success: getSuccess(state),
+    errors: getErrors(state),
+    degraded: getDegraded(state),
+    degradedReason: getDegradedReason(state),
+    execute: executeMutation,
+  };
+}
+
 // ---------------------------------------------------------------------------
 // 类型导出（供响应映射使用）
 // ---------------------------------------------------------------------------

apps/student-portal/src/lib/graphql/operations.ts

@@ -962,3 +962,805 @@ export const LEAVE_CLASS_MUTATION = gql`
     }
   }
 `;
+
+// ===========================================================================
+// 批次 A 扩展操作（9 查询 + 8 变更）
+// ===========================================================================
+
+/** 我的错题本 */
+export const MY_ERROR_BOOK_QUERY = gql`
+  query myErrorBook {
+    myErrorBook {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        items {
+          id
+          questionId
+          questionContent
+          sourceType
+          subject {
+            id
+            name
+          }
+          knowledgePointIds
+          knowledgePointName
+          status
+          masteryLevel
+          nextReviewAt
+          reviewCount
+          correctStreak
+          note
+          errorTags
+          createdAt
+          updatedAt
+        }
+        stats {
+          totalCount
+          newCount
+          learningCount
+          masteredCount
+          dueReviewCount
+          masteredRate
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 添加错题 */
+export const ADD_ERROR_BOOK_ITEM_MUTATION = gql`
+  mutation addErrorBookItem($input: AddErrorBookItemInput!) {
+    addErrorBookItem(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        status
+        createdAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 更新错题（含复习自评） */
+export const UPDATE_ERROR_BOOK_ITEM_MUTATION = gql`
+  mutation updateErrorBookItem($input: UpdateErrorBookItemInput!) {
+    updateErrorBookItem(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        status
+        masteryLevel
+        nextReviewAt
+        reviewCount
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 删除错题 */
+export const DELETE_ERROR_BOOK_ITEM_MUTATION = gql`
+  mutation deleteErrorBookItem($input: DeleteErrorBookItemInput!) {
+    deleteErrorBookItem(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        deleted
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的请假记录 */
+export const MY_LEAVE_REQUESTS_QUERY = gql`
+  query myLeaveRequests {
+    myLeaveRequests {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        leaveType
+        startDate
+        endDate
+        reason
+        status
+        reviewComment
+        reviewedAt
+        reviewerName
+        className
+        attendanceSynced
+        createdAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 创建请假申请 */
+export const CREATE_LEAVE_REQUEST_MUTATION = gql`
+  mutation createLeaveRequest($input: CreateLeaveRequestInput!) {
+    createLeaveRequest(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        status
+        createdAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 撤销请假申请 */
+export const CANCEL_LEAVE_REQUEST_MUTATION = gql`
+  mutation cancelLeaveRequest($input: CancelLeaveRequestInput!) {
+    cancelLeaveRequest(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        status
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的选课记录 */
+export const MY_ELECTIVE_SELECTIONS_QUERY = gql`
+  query myElectiveSelections {
+    myElectiveSelections {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        courseId
+        courseName
+        status
+        selectedAt
+        enrolledAt
+        droppedAt
+        dropReason
+        course {
+          id
+          name
+          teacherName
+          subjectName
+          capacity
+          enrolledCount
+          classroom
+          schedule
+          credit
+          status
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 可选课程列表 */
+export const AVAILABLE_ELECTIVE_COURSES_QUERY = gql`
+  query availableElectiveCourses {
+    availableElectiveCourses {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        name
+        teacherName
+        subjectName
+        gradeName
+        description
+        capacity
+        enrolledCount
+        classroom
+        schedule
+        startDate
+        endDate
+        selectionStartAt
+        selectionEndAt
+        dropDeadline
+        status
+        selectionMode
+        credit
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 选课 */
+export const SELECT_ELECTIVE_COURSE_MUTATION = gql`
+  mutation selectElectiveCourse($input: SelectElectiveCourseInput!) {
+    selectElectiveCourse(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        courseId
+        status
+        selectedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 退选 */
+export const DROP_ELECTIVE_COURSE_MUTATION = gql`
+  mutation dropElectiveCourse($input: DropElectiveCourseInput!) {
+    dropElectiveCourse(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        courseId
+        status
+        droppedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的练习会话列表 */
+export const MY_PRACTICE_SESSIONS_QUERY = gql`
+  query myPracticeSessions {
+    myPracticeSessions {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        sessions {
+          id
+          practiceType
+          status
+          totalQuestions
+          answeredQuestions
+          correctCount
+          accuracy
+          startedAt
+          completedAt
+        }
+        stats {
+          totalSessions
+          completedSessions
+          totalQuestionsAnswered
+          totalCorrect
+          overallAccuracy
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 启动练习会话 */
+export const START_PRACTICE_SESSION_QUERY = gql`
+  query startPracticeSession($input: StartPracticeSessionInput!) {
+    startPracticeSession(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        session {
+          id
+          practiceType
+          status
+          totalQuestions
+          answeredQuestions
+          correctCount
+          accuracy
+          startedAt
+          currentQuestionIndex
+          questions {
+            id
+            questionId
+            content
+            type
+            options {
+              id
+              text
+            }
+            maxScore
+            status
+          }
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 提交练习答题 */
+export const SUBMIT_PRACTICE_ANSWER_MUTATION = gql`
+  mutation submitPracticeAnswer($input: SubmitPracticeAnswerInput!) {
+    submitPracticeAnswer(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        answerId
+        isCorrect
+        score
+        maxScore
+        correctAnswer
+        sessionCompleted
+        session {
+          id
+          answeredQuestions
+          correctCount
+          accuracy
+          status
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 公告列表 */
+export const ANNOUNCEMENTS_QUERY = gql`
+  query announcements {
+    announcements {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        title
+        content
+        type
+        status
+        authorName
+        publishedAt
+        isPinned
+        isReadByCurrentUser
+        createdAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 公告详情 */
+export const ANNOUNCEMENT_DETAIL_QUERY = gql`
+  query announcementDetail($announcementId: ID!) {
+    announcementDetail(announcementId: $announcementId) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        title
+        content
+        type
+        status
+        authorName
+        publishedAt
+        isPinned
+        isReadByCurrentUser
+        createdAt
+        updatedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 标记公告已读 */
+export const MARK_ANNOUNCEMENT_READ_MUTATION = gql`
+  mutation markAnnouncementRead($input: MarkAnnouncementReadInput!) {
+    markAnnouncementRead(input: $input) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        announcementId
+        read
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的课案列表（仅已发布） */
+export const MY_LESSON_PLANS_QUERY = gql`
+  query myLessonPlans {
+    myLessonPlans {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        title
+        subjectName
+        gradeName
+        chapterTitle
+        creatorName
+        status
+        publishedAt
+        updatedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 课案详情 */
+export const LESSON_PLAN_DETAIL_QUERY = gql`
+  query lessonPlanDetail($planId: ID!) {
+    lessonPlanDetail(planId: $planId) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        title
+        subjectName
+        gradeName
+        chapterTitle
+        creatorName
+        status
+        content {
+          objectives
+          keyPoints
+          summary
+          homework
+          blackboard
+        }
+        publishedAt
+        updatedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的课程计划列表 */
+export const MY_COURSE_PLANS_QUERY = gql`
+  query myCoursePlans {
+    myCoursePlans {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        className
+        subjectName
+        teacherName
+        semester
+        totalHours
+        completedHours
+        weeklyHours
+        startDate
+        endDate
+        syllabus
+        objectives
+        status
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 课程计划详情 */
+export const COURSE_PLAN_DETAIL_QUERY = gql`
+  query coursePlanDetail($planId: ID!) {
+    coursePlanDetail(planId: $planId) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        className
+        subjectName
+        teacherName
+        semester
+        totalHours
+        completedHours
+        weeklyHours
+        startDate
+        endDate
+        syllabus
+        objectives
+        status
+        items {
+          id
+          week
+          topic
+          content
+          hours
+          textbookChapter
+          notes
+          isCompleted
+          completedAt
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 成绩报告卡 */
+export const MY_REPORT_CARD_QUERY = gql`
+  query myReportCard($academicYearId: ID, $semester: String) {
+    myReportCard(academicYearId: $academicYearId, semester: $semester) {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        studentId
+        studentName
+        classId
+        className
+        classTeacherName
+        academicYearName
+        semester
+        subjects {
+          subjectId
+          subjectName
+          averageScore
+          rankInSubject
+          totalStudentsInSubject
+          fullScoreTotal
+          records {
+            id
+            examName
+            score
+            maxScore
+            grade
+            rank
+            submittedAt
+          }
+        }
+        overallAverage
+        overallRank
+        classTotalStudents
+        overallPassRate
+        overallExcellentRate
+        generatedAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的诊断报告列表 */
+export const MY_DIAGNOSTIC_REPORTS_QUERY = gql`
+  query myDiagnosticReports {
+    myDiagnosticReports {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        id
+        reportType
+        period
+        summary
+        strengths
+        weaknesses
+        recommendations
+        overallScore
+        status
+        createdAt
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;
+
+/** 我的掌握度摘要 */
+export const MY_MASTERY_SUMMARY_QUERY = gql`
+  query myMasterySummary {
+    myMasterySummary {
+      success
+      errors {
+        code
+        message
+        field
+      }
+      data {
+        studentId
+        studentName
+        averageMastery
+        totalKnowledgePoints
+        confidenceLevel
+        mastery {
+          knowledgePointId
+          knowledgePointName
+          masteryLevel
+          totalQuestions
+          correctQuestions
+          lastAssessedAt
+        }
+      }
+      extensions {
+        degraded
+        degradedReason
+        traceId
+      }
+    }
+  }
+`;

apps/student-portal/src/lib/graphql/types.ts

@@ -399,6 +399,419 @@ export interface StudentProfile {
   preferredSubjectId: string;
 }
 
+// ---------------------------------------------------------------------------
+// 批次 A 扩展实体类型
+// ---------------------------------------------------------------------------
+
+/** 错题来源类型 */
+export type ErrorBookSourceType = "exam" | "homework" | "manual";
+
+/** 错题状态 */
+export type ErrorBookStatus = "new" | "learning" | "mastered" | "archived";
+
+/** 错题本条目 */
+export interface ErrorBookItem {
+  id: string;
+  questionId: string;
+  questionContent: string;
+  sourceType: ErrorBookSourceType;
+  subject: SubjectRef;
+  knowledgePointIds: string[];
+  knowledgePointName: string;
+  status: ErrorBookStatus;
+  /** 掌握度 0-1 */
+  masteryLevel: number;
+  nextReviewAt: string | null;
+  reviewCount: number;
+  correctStreak: number;
+  note: string | null;
+  errorTags: string[];
+  createdAt: string;
+  updatedAt: string;
+}
+
+/** 错题本统计 */
+export interface ErrorBookStats {
+  totalCount: number;
+  newCount: number;
+  learningCount: number;
+  masteredCount: number;
+  dueReviewCount: number;
+  /** 掌握率 0-1 */
+  masteredRate: number;
+}
+
+/** 错题本响应数据 */
+export interface ErrorBookData {
+  items: ErrorBookItem[];
+  stats: ErrorBookStats;
+}
+
+/** 请假类型 */
+export type LeaveType = "sick" | "personal" | "family" | "other";
+
+/** 请假状态 */
+export type LeaveStatus = "pending" | "approved" | "rejected" | "cancelled";
+
+/** 请假记录 */
+export interface LeaveRequest {
+  id: string;
+  leaveType: LeaveType;
+  startDate: string;
+  endDate: string;
+  reason: string;
+  status: LeaveStatus;
+  reviewComment: string | null;
+  reviewedAt: string | null;
+  reviewerName: string | null;
+  className: string;
+  attendanceSynced: boolean;
+  createdAt: string;
+}
+
+/** 选课课程状态 */
+export type ElectiveCourseStatus =
+  | "draft"
+  | "open"
+  | "closed"
+  | "cancelled";
+
+/** 选课模式 */
+export type ElectiveSelectionMode = "fcfs" | "lottery";
+
+/** 选课记录状态 */
+export type CourseSelectionStatus =
+  | "selected"
+  | "enrolled"
+  | "waitlist"
+  | "dropped"
+  | "rejected";
+
+/** 选课课程（列表/详情） */
+export interface ElectiveCourse {
+  id: string;
+  name: string;
+  teacherName: string | null;
+  subjectName: string | null;
+  gradeName: string | null;
+  description: string | null;
+  capacity: number;
+  enrolledCount: number;
+  classroom: string | null;
+  schedule: string | null;
+  startDate: string | null;
+  endDate: string | null;
+  selectionStartAt: string | null;
+  selectionEndAt: string | null;
+  dropDeadline: string | null;
+  status: ElectiveCourseStatus;
+  selectionMode: ElectiveSelectionMode;
+  credit: string;
+}
+
+/** 我的选课记录（含课程信息） */
+export interface CourseSelection {
+  id: string;
+  courseId: string;
+  courseName: string;
+  status: CourseSelectionStatus;
+  selectedAt: string;
+  enrolledAt: string | null;
+  droppedAt: string | null;
+  dropReason: string | null;
+  course: {
+    id: string;
+    name: string;
+    teacherName: string | null;
+    subjectName: string | null;
+    capacity: number;
+    enrolledCount: number;
+    classroom: string | null;
+    schedule: string | null;
+    credit: string;
+    status: ElectiveCourseStatus;
+  };
+}
+
+/** 练习类型 */
+export type PracticeType =
+  | "error_variant"
+  | "knowledge_point"
+  | "weak_chapter"
+  | "ai_recommended";
+
+/** 练习状态 */
+export type PracticeStatus = "in_progress" | "completed" | "abandoned";
+
+/** 练习答题状态 */
+export type PracticeAnswerStatus = "pending" | "answered" | "skipped";
+
+/** 练习会话摘要 */
+export interface PracticeSessionSummary {
+  id: string;
+  practiceType: PracticeType;
+  status: PracticeStatus;
+  totalQuestions: number;
+  answeredQuestions: number;
+  correctCount: number;
+  /** 正确率 0-1 */
+  accuracy: number;
+  startedAt: string;
+  completedAt: string | null;
+}
+
+/** 练习统计 */
+export interface PracticeStats {
+  totalSessions: number;
+  completedSessions: number;
+  totalQuestionsAnswered: number;
+  totalCorrect: number;
+  /** 总体正确率 0-1 */
+  overallAccuracy: number;
+}
+
+/** 我的练习会话响应数据 */
+export interface MyPracticeSessionsData {
+  sessions: PracticeSessionSummary[];
+  stats: PracticeStats;
+}
+
+/** 练习题目选项 */
+export interface PracticeQuestionOption {
+  id: string;
+  text: string;
+}
+
+/** 练习题目 */
+export interface PracticeQuestion {
+  id: string;
+  questionId: string;
+  content: string;
+  type: string;
+  options: PracticeQuestionOption[];
+  maxScore: number;
+  status: PracticeAnswerStatus;
+}
+
+/** 练习会话详情（启动后） */
+export interface PracticeSessionDetail {
+  session: {
+    id: string;
+    practiceType: PracticeType;
+    status: PracticeStatus;
+    totalQuestions: number;
+    answeredQuestions: number;
+    correctCount: number;
+    accuracy: number;
+    startedAt: string;
+    currentQuestionIndex: number;
+    questions: PracticeQuestion[];
+  };
+}
+
+/** 提交练习答题响应 */
+export interface SubmitPracticeAnswerResult {
+  answerId: string;
+  isCorrect: boolean;
+  score: number;
+  maxScore: number;
+  correctAnswer: string;
+  sessionCompleted: boolean;
+  session: {
+    id: string;
+    answeredQuestions: number;
+    correctCount: number;
+    accuracy: number;
+    status: PracticeStatus;
+  };
+}
+
+/** 公告类型 */
+export type AnnouncementType = "school" | "grade" | "class";
+
+/** 公告状态 */
+export type AnnouncementStatus = "draft" | "published" | "archived";
+
+/** 公告 */
+export interface Announcement {
+  id: string;
+  title: string;
+  content: string;
+  type: AnnouncementType;
+  status: AnnouncementStatus;
+  authorName: string | null;
+  publishedAt: string | null;
+  isPinned: boolean;
+  isReadByCurrentUser: boolean;
+  createdAt: string;
+  updatedAt?: string;
+}
+
+/** 课案内容（只读视图） */
+export interface LessonPlanContent {
+  objectives: string | null;
+  keyPoints: string | null;
+  summary: string | null;
+  homework: string | null;
+  blackboard: string | null;
+}
+
+/** 课案列表项 */
+export interface LessonPlanListItem {
+  id: string;
+  title: string;
+  subjectName: string | null;
+  gradeName: string | null;
+  chapterTitle: string | null;
+  creatorName: string | null;
+  status: string;
+  publishedAt: string | null;
+  updatedAt: string;
+}
+
+/** 课案详情 */
+export interface LessonPlanDetail {
+  id: string;
+  title: string;
+  subjectName: string | null;
+  gradeName: string | null;
+  chapterTitle: string | null;
+  creatorName: string | null;
+  status: string;
+  content: LessonPlanContent;
+  publishedAt: string | null;
+  updatedAt: string;
+}
+
+/** 课程计划状态 */
+export type CoursePlanStatus =
+  | "planning"
+  | "active"
+  | "completed"
+  | "paused";
+
+/** 课程计划学期 */
+export type CoursePlanSemester = "1" | "2";
+
+/** 课程计划列表项 */
+export interface CoursePlanListItem {
+  id: string;
+  className: string | null;
+  subjectName: string | null;
+  teacherName: string | null;
+  semester: CoursePlanSemester;
+  totalHours: number;
+  completedHours: number;
+  weeklyHours: number;
+  startDate: string | null;
+  endDate: string | null;
+  syllabus: string | null;
+  objectives: string | null;
+  status: CoursePlanStatus;
+}
+
+/** 课程计划周次条目 */
+export interface CoursePlanItem {
+  id: string;
+  week: number;
+  topic: string;
+  content: string | null;
+  hours: number;
+  textbookChapter: string | null;
+  notes: string | null;
+  isCompleted: boolean;
+  completedAt: string | null;
+}
+
+/** 课程计划详情（含周次条目） */
+export interface CoursePlanDetail extends CoursePlanListItem {
+  items: CoursePlanItem[];
+}
+
+/** 报告卡成绩记录 */
+export interface ReportCardRecord {
+  id: string;
+  examName: string;
+  score: number;
+  maxScore: number;
+  grade: string;
+  rank: number;
+  submittedAt: string;
+}
+
+/** 报告卡学科项 */
+export interface ReportCardSubjectItem {
+  subjectId: string;
+  subjectName: string;
+  averageScore: number;
+  rankInSubject: number;
+  totalStudentsInSubject: number;
+  fullScoreTotal: number;
+  records: ReportCardRecord[];
+}
+
+/** 成绩报告卡 */
+export interface ReportCardData {
+  studentId: string;
+  studentName: string;
+  classId: string;
+  className: string;
+  classTeacherName: string;
+  academicYearName: string | null;
+  semester: string;
+  subjects: ReportCardSubjectItem[];
+  overallAverage: number;
+  overallRank: number;
+  classTotalStudents: number;
+  overallPassRate: number;
+  overallExcellentRate: number;
+  generatedAt: string;
+}
+
+/** 诊断报告类型 */
+export type DiagnosticReportType = "individual" | "class" | "grade";
+
+/** 诊断报告状态 */
+export type DiagnosticReportStatus = "draft" | "published" | "archived";
+
+/** 置信度等级 */
+export type ConfidenceLevel = "low" | "medium" | "high";
+
+/** 诊断报告 */
+export interface DiagnosticReport {
+  id: string;
+  reportType: DiagnosticReportType;
+  period: string | null;
+  summary: string | null;
+  strengths: string[] | null;
+  weaknesses: string[] | null;
+  recommendations: string[] | null;
+  overallScore: number | null;
+  status: DiagnosticReportStatus;
+  createdAt: string;
+}
+
+/** 掌握度条目 */
+export interface MasteryItem {
+  knowledgePointId: string;
+  knowledgePointName: string;
+  /** 0-100 */
+  masteryLevel: number;
+  totalQuestions: number;
+  correctQuestions: number;
+  lastAssessedAt: string;
+}
+
+/** 掌握度摘要 */
+export interface MasterySummary {
+  studentId: string;
+  studentName: string;
+  averageMastery: number;
+  totalKnowledgePoints: number;
+  confidenceLevel: ConfidenceLevel;
+  mastery: MasteryItem[];
+}
+
 // ---------------------------------------------------------------------------
 // Mutation 输入类型
 // ---------------------------------------------------------------------------
@@ -504,6 +917,140 @@ export interface LeaveClassInput {
   classId: string;
 }
 
+// ---------------------------------------------------------------------------
+// 批次 A 扩展 Mutation 输入类型
+// ---------------------------------------------------------------------------
+
+/** 添加错题输入 */
+export interface AddErrorBookItemInput {
+  questionId: string;
+  questionContent: string;
+  sourceType: ErrorBookSourceType;
+  subjectId: string;
+  knowledgePointIds?: string[];
+  knowledgePointName?: string;
+  note?: string;
+  errorTags?: string[];
+}
+
+/** 更新错题输入（含复习自评） */
+export interface UpdateErrorBookItemInput {
+  id: string;
+  status?: ErrorBookStatus;
+  reviewResult?: "again" | "hard" | "good" | "easy";
+  note?: string;
+}
+
+/** 删除错题输入 */
+export interface DeleteErrorBookItemInput {
+  id: string;
+}
+
+/** 创建请假申请输入 */
+export interface CreateLeaveRequestInput {
+  leaveType: LeaveType;
+  startDate: string;
+  endDate: string;
+  reason: string;
+}
+
+/** 撤销请假申请输入 */
+export interface CancelLeaveRequestInput {
+  id: string;
+}
+
+/** 选课输入 */
+export interface SelectElectiveCourseInput {
+  courseId: string;
+}
+
+/** 退选输入 */
+export interface DropElectiveCourseInput {
+  courseId: string;
+  dropReason?: string;
+}
+
+/** 启动练习会话输入 */
+export interface StartPracticeSessionInput {
+  practiceType: PracticeType;
+  subjectId?: string;
+  knowledgePointIds?: string[];
+  questionCount?: number;
+}
+
+/** 提交练习答题输入 */
+export interface SubmitPracticeAnswerInput {
+  sessionId: string;
+  questionId: string;
+  answer: string;
+}
+
+/** 标记公告已读输入 */
+export interface MarkAnnouncementReadInput {
+  announcementId: string;
+}
+
+// ---------------------------------------------------------------------------
+// 批次 A 扩展 Mutation 响应数据类型
+// ---------------------------------------------------------------------------
+
+/** 添加错题响应 */
+export interface AddErrorBookItemResult {
+  id: string;
+  status: ErrorBookStatus;
+  createdAt: string;
+}
+
+/** 更新错题响应 */
+export interface UpdateErrorBookItemResult {
+  id: string;
+  status: ErrorBookStatus;
+  masteryLevel: number;
+  nextReviewAt: string | null;
+  reviewCount: number;
+}
+
+/** 删除错题响应 */
+export interface DeleteErrorBookItemResult {
+  id: string;
+  deleted: boolean;
+}
+
+/** 创建请假响应 */
+export interface CreateLeaveRequestResult {
+  id: string;
+  status: LeaveStatus;
+  createdAt: string;
+}
+
+/** 撤销请假响应 */
+export interface CancelLeaveRequestResult {
+  id: string;
+  status: LeaveStatus;
+}
+
+/** 选课响应 */
+export interface SelectElectiveCourseResult {
+  id: string;
+  courseId: string;
+  status: CourseSelectionStatus;
+  selectedAt: string;
+}
+
+/** 退选响应 */
+export interface DropElectiveCourseResult {
+  id: string;
+  courseId: string;
+  status: CourseSelectionStatus;
+  droppedAt: string;
+}
+
+/** 标记公告已读响应 */
+export interface MarkAnnouncementReadResult {
+  announcementId: string;
+  read: boolean;
+}
+
 // ---------------------------------------------------------------------------
 // Mutation 响应数据类型
 // ---------------------------------------------------------------------------
@@ -624,7 +1171,22 @@ export type QueryOperationName =
   | "mySchedule"
   | "studentGrowth"
   | "assignmentAnalysis"
-  | "myProfile";
+  | "myProfile"
+  | "myErrorBook"
+  | "myLeaveRequests"
+  | "myElectiveSelections"
+  | "availableElectiveCourses"
+  | "myPracticeSessions"
+  | "startPracticeSession"
+  | "announcements"
+  | "announcementDetail"
+  | "myLessonPlans"
+  | "lessonPlanDetail"
+  | "myCoursePlans"
+  | "coursePlanDetail"
+  | "myReportCard"
+  | "myDiagnosticReports"
+  | "myMasterySummary";
 
 /** 变更操作名 */
 export type MutationOperationName =
@@ -640,7 +1202,16 @@ export type MutationOperationName =
   | "changePassword"
   | "requestExtension"
   | "joinClass"
-  | "leaveClass";
+  | "leaveClass"
+  | "addErrorBookItem"
+  | "updateErrorBookItem"
+  | "deleteErrorBookItem"
+  | "createLeaveRequest"
+  | "cancelLeaveRequest"
+  | "selectElectiveCourse"
+  | "dropElectiveCourse"
+  | "submitPracticeAnswer"
+  | "markAnnouncementRead";
 
 /** 全部操作名 */
 export type OperationName = QueryOperationName | MutationOperationName;
@@ -675,6 +1246,21 @@ export interface QueryResponses {
   studentGrowth: ActionState<GrowthDataPoint[]>;
   assignmentAnalysis: ActionState<AssignmentAnalysis>;
   myProfile: ActionState<StudentProfile>;
+  myErrorBook: ActionState<ErrorBookData>;
+  myLeaveRequests: ActionState<LeaveRequest[]>;
+  myElectiveSelections: ActionState<CourseSelection[]>;
+  availableElectiveCourses: ActionState<ElectiveCourse[]>;
+  myPracticeSessions: ActionState<MyPracticeSessionsData>;
+  startPracticeSession: ActionState<PracticeSessionDetail>;
+  announcements: ActionState<Announcement[]>;
+  announcementDetail: ActionState<Announcement>;
+  myLessonPlans: ActionState<LessonPlanListItem[]>;
+  lessonPlanDetail: ActionState<LessonPlanDetail>;
+  myCoursePlans: ActionState<CoursePlanListItem[]>;
+  coursePlanDetail: ActionState<CoursePlanDetail>;
+  myReportCard: ActionState<ReportCardData>;
+  myDiagnosticReports: ActionState<DiagnosticReport[]>;
+  myMasterySummary: ActionState<MasterySummary>;
 }
 
 /** 变更响应映射 */
@@ -692,6 +1278,15 @@ export interface MutationResponses {
   requestExtension: ActionState<RequestExtensionResult>;
   joinClass: ActionState<JoinClassResult>;
   leaveClass: ActionState<LeaveClassResult>;
+  addErrorBookItem: ActionState<AddErrorBookItemResult>;
+  updateErrorBookItem: ActionState<UpdateErrorBookItemResult>;
+  deleteErrorBookItem: ActionState<DeleteErrorBookItemResult>;
+  createLeaveRequest: ActionState<CreateLeaveRequestResult>;
+  cancelLeaveRequest: ActionState<CancelLeaveRequestResult>;
+  selectElectiveCourse: ActionState<SelectElectiveCourseResult>;
+  dropElectiveCourse: ActionState<DropElectiveCourseResult>;
+  submitPracticeAnswer: ActionState<SubmitPracticeAnswerResult>;
+  markAnnouncementRead: ActionState<MarkAnnouncementReadResult>;
 }
 
 // ---------------------------------------------------------------------------

apps/student-portal/src/mocks/fixtures/announcements.json

@@ -0,0 +1,51 @@
+[
+  {
+    "id": "an-001",
+    "title": "关于期末考试安排的通知",
+    "content": "各位同学：本学期期末考试将于 7 月 20 日至 7 月 25 日进行，具体科目时间安排请查看考试日程表。请同学们提前做好复习准备，注意考场纪律，携带学生证入场。",
+    "type": "school",
+    "status": "published",
+    "authorName": "教务处",
+    "publishedAt": "2026-07-10T09:00:00.000Z",
+    "isPinned": true,
+    "isReadByCurrentUser": false,
+    "createdAt": "2026-07-10T08:30:00.000Z",
+    "updatedAt": "2026-07-10T09:00:00.000Z"
+  },
+  {
+    "id": "an-002",
+    "title": "高三年级暑期辅导报名通知",
+    "content": "高三年级暑期辅导班即日起开始报名，涵盖数学、物理、化学等核心科目。有意参加的同学请在 7 月 18 日前到教务处登记。名额有限，先到先得。",
+    "type": "grade",
+    "status": "published",
+    "authorName": "年级组",
+    "publishedAt": "2026-07-09T14:00:00.000Z",
+    "isPinned": false,
+    "isReadByCurrentUser": true,
+    "createdAt": "2026-07-09T13:00:00.000Z"
+  },
+  {
+    "id": "an-003",
+    "title": "班级卫生值日调整通知",
+    "content": "因近期天气炎热，本周班级卫生值日表有所调整，请值日同学按时到岗。具体安排见班级公告栏。",
+    "type": "class",
+    "status": "published",
+    "authorName": "王老师",
+    "publishedAt": "2026-07-08T10:00:00.000Z",
+    "isPinned": false,
+    "isReadByCurrentUser": true,
+    "createdAt": "2026-07-08T09:30:00.000Z"
+  },
+  {
+    "id": "an-004",
+    "title": "校园文化艺术节活动通知",
+    "content": "一年一度的校园文化艺术节将于 7 月 15 日开幕，设有歌唱、舞蹈、书法、摄影等多项比赛。欢迎同学们踊跃报名参加，报名截止日期 7 月 13 日。",
+    "type": "school",
+    "status": "published",
+    "authorName": "校团委",
+    "publishedAt": "2026-07-05T15:00:00.000Z",
+    "isPinned": false,
+    "isReadByCurrentUser": false,
+    "createdAt": "2026-07-05T14:00:00.000Z"
+  }
+]

apps/student-portal/src/mocks/fixtures/coursePlans.json

@@ -0,0 +1,47 @@
+[
+  {
+    "id": "cp-001",
+    "className": "高三(2)班",
+    "subjectName": "数学",
+    "teacherName": "张老师",
+    "semester": "1",
+    "totalHours": 72,
+    "completedHours": 48,
+    "weeklyHours": 4,
+    "startDate": "2026-02-20",
+    "endDate": "2026-07-15",
+    "syllabus": "高三数学上学期教学计划，涵盖函数与导数、三角函数、数列等核心章节。",
+    "objectives": "掌握函数与导数的基本概念与应用，提升数学建模与解题能力。",
+    "status": "active"
+  },
+  {
+    "id": "cp-002",
+    "className": "高三(2)班",
+    "subjectName": "语文",
+    "teacherName": "李老师",
+    "semester": "1",
+    "totalHours": 64,
+    "completedHours": 52,
+    "weeklyHours": 4,
+    "startDate": "2026-02-20",
+    "endDate": "2026-07-15",
+    "syllabus": "高三语文上学期教学计划，涵盖现代文阅读、古代诗文、写作训练。",
+    "objectives": "提升阅读理解与写作能力，掌握古代诗文鉴赏方法。",
+    "status": "active"
+  },
+  {
+    "id": "cp-003",
+    "className": "高三(2)班",
+    "subjectName": "英语",
+    "teacherName": "刘老师",
+    "semester": "1",
+    "totalHours": 60,
+    "completedHours": 60,
+    "weeklyHours": 4,
+    "startDate": "2026-02-20",
+    "endDate": "2026-07-15",
+    "syllabus": "高三英语上学期教学计划，涵盖语法复习、阅读理解、写作与听力训练。",
+    "objectives": "系统复习语法知识，提升综合语言运用能力。",
+    "status": "completed"
+  }
+]

apps/student-portal/src/mocks/fixtures/diagnosticReports.json

@@ -0,0 +1,45 @@
+[
+  {
+    "id": "dr-001",
+    "reportType": "individual",
+    "period": "2025-2026学年第一学期",
+    "summary": "该生本学期整体学习状态良好，数学与英语表现突出，语文阅读理解有待加强。建议保持优势科目，针对薄弱环节加强练习。",
+    "strengths": [
+      "数学逻辑思维能力强，函数与导数章节掌握扎实",
+      "英语词汇量丰富，听力与阅读理解正确率高"
+    ],
+    "weaknesses": [
+      "语文文言文阅读得分率偏低",
+      "物理力学综合题解题速度需提升"
+    ],
+    "recommendations": [
+      "每周增加 2 篇文言文阅读训练",
+      "针对物理力学综合题进行限时练习",
+      "保持数学与英语的日常练习频率"
+    ],
+    "overallScore": 87,
+    "status": "published",
+    "createdAt": "2026-05-10T10:00:00.000Z"
+  },
+  {
+    "id": "dr-002",
+    "reportType": "individual",
+    "period": "2025-2026学年第二学期期中",
+    "summary": "期中考试后诊断显示，该生在各科均衡发展方面有所进步，数学成绩显著提升，化学实验题仍需加强。",
+    "strengths": [
+      "数学成绩从 85 分提升至 92 分，进步明显",
+      "英语写作能力提升，语法运用准确率提高"
+    ],
+    "weaknesses": [
+      "化学实验设计题得分率仅 60%",
+      "历史材料分析题时间分配不足"
+    ],
+    "recommendations": [
+      "加强化学实验原理理解与设计训练",
+      "历史答题注意时间管理，先易后难"
+    ],
+    "overallScore": 89,
+    "status": "published",
+    "createdAt": "2026-05-05T14:00:00.000Z"
+  }
+]

apps/student-portal/src/mocks/fixtures/electiveCourses.json

@@ -0,0 +1,82 @@
+[
+  {
+    "id": "ec-001",
+    "name": "创意写作工作坊",
+    "teacherName": "李老师",
+    "subjectName": "语文",
+    "gradeName": "高三",
+    "description": "通过沉浸式写作训练，提升文学创作与表达能力，涵盖散文、小说、诗歌等多种体裁。",
+    "capacity": 30,
+    "enrolledCount": 22,
+    "classroom": "文科楼 305",
+    "schedule": "每周三 16:00-17:40",
+    "startDate": "2026-09-01",
+    "endDate": "2027-01-15",
+    "selectionStartAt": "2026-07-01T00:00:00.000Z",
+    "selectionEndAt": "2026-07-20T23:59:59.000Z",
+    "dropDeadline": "2026-09-15T23:59:59.000Z",
+    "status": "open",
+    "selectionMode": "fcfs",
+    "credit": "2"
+  },
+  {
+    "id": "ec-002",
+    "name": "数学建模入门",
+    "teacherName": "张老师",
+    "subjectName": "数学",
+    "gradeName": "高三",
+    "description": "学习数学建模基本方法，结合实际问题进行建模实践，培养数学应用能力。",
+    "capacity": 40,
+    "enrolledCount": 40,
+    "classroom": "理科楼 201",
+    "schedule": "每周二 16:00-17:40",
+    "startDate": "2026-09-01",
+    "endDate": "2027-01-15",
+    "selectionStartAt": "2026-07-01T00:00:00.000Z",
+    "selectionEndAt": "2026-07-20T23:59:59.000Z",
+    "dropDeadline": "2026-09-15T23:59:59.000Z",
+    "status": "open",
+    "selectionMode": "lottery",
+    "credit": "3"
+  },
+  {
+    "id": "ec-003",
+    "name": "趣味物理实验",
+    "teacherName": "陈老师",
+    "subjectName": "物理",
+    "gradeName": "高三",
+    "description": "通过动手实验探索物理规律，涵盖力学、电磁学、光学等领域的经典实验。",
+    "capacity": 25,
+    "enrolledCount": 18,
+    "classroom": "物理实验室",
+    "schedule": "每周四 16:00-17:40",
+    "startDate": "2026-09-01",
+    "endDate": "2027-01-15",
+    "selectionStartAt": "2026-07-01T00:00:00.000Z",
+    "selectionEndAt": "2026-07-20T23:59:59.000Z",
+    "dropDeadline": "2026-09-15T23:59:59.000Z",
+    "status": "open",
+    "selectionMode": "fcfs",
+    "credit": "2"
+  },
+  {
+    "id": "ec-004",
+    "name": "英语演讲与辩论",
+    "teacherName": "刘老师",
+    "subjectName": "英语",
+    "gradeName": "高三",
+    "description": "提升英语口语表达与逻辑思辨能力，模拟辩论赛制进行实战训练。",
+    "capacity": 20,
+    "enrolledCount": 15,
+    "classroom": "外语楼 102",
+    "schedule": "每周五 16:00-17:40",
+    "startDate": "2026-09-01",
+    "endDate": "2027-01-15",
+    "selectionStartAt": "2026-07-01T00:00:00.000Z",
+    "selectionEndAt": "2026-07-20T23:59:59.000Z",
+    "dropDeadline": "2026-09-15T23:59:59.000Z",
+    "status": "open",
+    "selectionMode": "fcfs",
+    "credit": "2"
+  }
+]

apps/student-portal/src/mocks/fixtures/errorBook.json

@@ -0,0 +1,102 @@
+{
+  "items": [
+    {
+      "id": "eb-001",
+      "questionId": "q-101",
+      "questionContent": "已知函数 f(x) = x² - 2x + 1，求 f(x) 在区间 [0, 2] 上的最小值。",
+      "sourceType": "exam",
+      "subject": { "id": "subject-math", "name": "数学" },
+      "knowledgePointIds": ["kp-001"],
+      "knowledgePointName": "二次函数最值",
+      "status": "learning",
+      "masteryLevel": 0.4,
+      "nextReviewAt": "2026-07-14T08:00:00.000Z",
+      "reviewCount": 2,
+      "correctStreak": 1,
+      "note": "配方时容易漏掉常数项",
+      "errorTags": ["概念不清", "计算错误"],
+      "createdAt": "2026-07-01T10:00:00.000Z",
+      "updatedAt": "2026-07-10T14:30:00.000Z"
+    },
+    {
+      "id": "eb-002",
+      "questionId": "q-205",
+      "questionContent": "阅读下面文段，回答问题：\"月光如流水一般，静静地泻在这一片叶子和花上。\" 这句话运用了什么修辞手法？",
+      "sourceType": "homework",
+      "subject": { "id": "subject-chinese", "name": "语文" },
+      "knowledgePointIds": ["kp-201"],
+      "knowledgePointName": "修辞手法辨析",
+      "status": "new",
+      "masteryLevel": 0.2,
+      "nextReviewAt": "2026-07-13T08:00:00.000Z",
+      "reviewCount": 0,
+      "correctStreak": 0,
+      "note": null,
+      "errorTags": ["审题不清"],
+      "createdAt": "2026-07-08T09:00:00.000Z",
+      "updatedAt": "2026-07-08T09:00:00.000Z"
+    },
+    {
+      "id": "eb-003",
+      "questionId": "q-308",
+      "questionContent": "Choose the correct word to fill in the blank: She ___ to school every day.",
+      "sourceType": "exam",
+      "subject": { "id": "subject-english", "name": "英语" },
+      "knowledgePointIds": ["kp-301"],
+      "knowledgePointName": "一般现在时",
+      "status": "mastered",
+      "masteryLevel": 0.9,
+      "nextReviewAt": "2026-07-20T08:00:00.000Z",
+      "reviewCount": 5,
+      "correctStreak": 4,
+      "note": null,
+      "errorTags": [],
+      "createdAt": "2026-06-15T10:00:00.000Z",
+      "updatedAt": "2026-07-11T16:00:00.000Z"
+    },
+    {
+      "id": "eb-004",
+      "questionId": "q-410",
+      "questionContent": "计算：(-3)² + |-5| - √16 的值。",
+      "sourceType": "manual",
+      "subject": { "id": "subject-math", "name": "数学" },
+      "knowledgePointIds": ["kp-002"],
+      "knowledgePointName": "有理数运算",
+      "status": "new",
+      "masteryLevel": 0.1,
+      "nextReviewAt": "2026-07-13T08:00:00.000Z",
+      "reviewCount": 0,
+      "correctStreak": 0,
+      "note": "绝对值和平方容易混淆",
+      "errorTags": ["概念不清", "粗心大意"],
+      "createdAt": "2026-07-12T11:00:00.000Z",
+      "updatedAt": "2026-07-12T11:00:00.000Z"
+    },
+    {
+      "id": "eb-005",
+      "questionId": "q-502",
+      "questionContent": "简述光合作用的过程及其对生物圈的意义。",
+      "sourceType": "homework",
+      "subject": { "id": "subject-biology", "name": "生物" },
+      "knowledgePointIds": ["kp-501"],
+      "knowledgePointName": "光合作用",
+      "status": "learning",
+      "masteryLevel": 0.55,
+      "nextReviewAt": "2026-07-15T08:00:00.000Z",
+      "reviewCount": 3,
+      "correctStreak": 2,
+      "note": "光反应和暗反应阶段容易混淆",
+      "errorTags": ["记忆错误"],
+      "createdAt": "2026-06-28T14:00:00.000Z",
+      "updatedAt": "2026-07-09T10:00:00.000Z"
+    }
+  ],
+  "stats": {
+    "totalCount": 5,
+    "newCount": 2,
+    "learningCount": 2,
+    "masteredCount": 1,
+    "dueReviewCount": 3,
+    "masteredRate": 0.2
+  }
+}

apps/student-portal/src/mocks/fixtures/leaveRequests.json

@@ -0,0 +1,58 @@
+[
+  {
+    "id": "lv-001",
+    "leaveType": "sick",
+    "startDate": "2026-07-10",
+    "endDate": "2026-07-11",
+    "reason": "感冒发烧，需在家休息恢复。",
+    "status": "approved",
+    "reviewComment": "注意休息，祝早日康复。",
+    "reviewedAt": "2026-07-09T14:30:00.000Z",
+    "reviewerName": "王老师",
+    "className": "高三(2)班",
+    "attendanceSynced": true,
+    "createdAt": "2026-07-09T08:15:00.000Z"
+  },
+  {
+    "id": "lv-002",
+    "leaveType": "personal",
+    "startDate": "2026-07-15",
+    "endDate": "2026-07-15",
+    "reason": "家中有事需处理，请假一天。",
+    "status": "pending",
+    "reviewComment": null,
+    "reviewedAt": null,
+    "reviewerName": null,
+    "className": "高三(2)班",
+    "attendanceSynced": false,
+    "createdAt": "2026-07-13T09:00:00.000Z"
+  },
+  {
+    "id": "lv-003",
+    "leaveType": "family",
+    "startDate": "2026-06-20",
+    "endDate": "2026-06-22",
+    "reason": "参加亲属婚礼，需请假三天。",
+    "status": "rejected",
+    "reviewComment": "临近期末考试，建议调整时间。",
+    "reviewedAt": "2026-06-19T16:00:00.000Z",
+    "reviewerName": "王老师",
+    "className": "高三(2)班",
+    "attendanceSynced": false,
+    "createdAt": "2026-06-18T10:00:00.000Z"
+  },
+  {
+    "id": "lv-004",
+    "leaveType": "other",
+    "startDate": "2026-07-05",
+    "endDate": "2026-07-05",
+    "reason": "参加市级学科竞赛培训。",
+    "status": "cancelled",
+    "reviewComment": null,
+    "reviewedAt": null,
+    "reviewerName": null,
+    "className": "高三(2)班",
+    "attendanceSynced": false,
+    "createdAt": "2026-07-04T11:20:00.000Z"
+  }
+]

apps/student-portal/src/mocks/fixtures/lessonPlans.json

@@ -0,0 +1,46 @@
+[
+  {
+    "id": "lp-001",
+    "title": "二次函数的图像与性质",
+    "subjectName": "数学",
+    "gradeName": "高三",
+    "chapterTitle": "第一章 函数与导数",
+    "creatorName": "张老师",
+    "status": "published",
+    "publishedAt": "2026-07-08T08:00:00.000Z",
+    "updatedAt": "2026-07-08T08:00:00.000Z"
+  },
+  {
+    "id": "lp-002",
+    "title": "文言文阅读：赤壁赋",
+    "subjectName": "语文",
+    "gradeName": "高三",
+    "chapterTitle": "第三章 古代散文",
+    "creatorName": "李老师",
+    "status": "published",
+    "publishedAt": "2026-07-07T10:00:00.000Z",
+    "updatedAt": "2026-07-07T10:00:00.000Z"
+  },
+  {
+    "id": "lp-003",
+    "title": "牛顿运动定律的应用",
+    "subjectName": "物理",
+    "gradeName": "高三",
+    "chapterTitle": "第二章 力学",
+    "creatorName": "陈老师",
+    "status": "published",
+    "publishedAt": "2026-07-06T09:00:00.000Z",
+    "updatedAt": "2026-07-06T09:00:00.000Z"
+  },
+  {
+    "id": "lp-004",
+    "title": "化学平衡常数与计算",
+    "subjectName": "化学",
+    "gradeName": "高三",
+    "chapterTitle": "第四章 化学反应原理",
+    "creatorName": "赵老师",
+    "status": "published",
+    "publishedAt": "2026-07-05T14:00:00.000Z",
+    "updatedAt": "2026-07-05T14:00:00.000Z"
+  }
+]

apps/student-portal/src/mocks/fixtures/masterySummary.json

@@ -0,0 +1,49 @@
+{
+  "studentId": "stu-001",
+  "studentName": "陈同学",
+  "averageMastery": 76,
+  "totalKnowledgePoints": 42,
+  "confidenceLevel": "high",
+  "mastery": [
+    {
+      "knowledgePointId": "kp-math-01",
+      "knowledgePointName": "函数与导数",
+      "masteryLevel": 92,
+      "totalQuestions": 35,
+      "correctQuestions": 32,
+      "lastAssessedAt": "2026-07-10T14:00:00.000Z"
+    },
+    {
+      "knowledgePointId": "kp-math-02",
+      "knowledgePointName": "三角函数",
+      "masteryLevel": 78,
+      "totalQuestions": 28,
+      "correctQuestions": 22,
+      "lastAssessedAt": "2026-07-09T10:00:00.000Z"
+    },
+    {
+      "knowledgePointId": "kp-chinese-01",
+      "knowledgePointName": "文言文阅读",
+      "masteryLevel": 58,
+      "totalQuestions": 20,
+      "correctQuestions": 12,
+      "lastAssessedAt": "2026-07-08T15:00:00.000Z"
+    },
+    {
+      "knowledgePointId": "kp-english-01",
+      "knowledgePointName": "阅读理解",
+      "masteryLevel": 85,
+      "totalQuestions": 40,
+      "correctQuestions": 34,
+      "lastAssessedAt": "2026-07-11T09:00:00.000Z"
+    },
+    {
+      "knowledgePointId": "kp-physics-01",
+      "knowledgePointName": "力学综合",
+      "masteryLevel": 68,
+      "totalQuestions": 25,
+      "correctQuestions": 17,
+      "lastAssessedAt": "2026-07-07T11:00:00.000Z"
+    }
+  ]
+}

apps/student-portal/src/mocks/fixtures/practiceSessions.json

@@ -0,0 +1,55 @@
+{
+  "sessions": [
+    {
+      "id": "ps-001",
+      "practiceType": "error_variant",
+      "status": "completed",
+      "totalQuestions": 10,
+      "answeredQuestions": 10,
+      "correctCount": 8,
+      "accuracy": 0.8,
+      "startedAt": "2026-07-10T14:00:00.000Z",
+      "completedAt": "2026-07-10T14:25:00.000Z"
+    },
+    {
+      "id": "ps-002",
+      "practiceType": "knowledge_point",
+      "status": "completed",
+      "totalQuestions": 8,
+      "answeredQuestions": 8,
+      "correctCount": 6,
+      "accuracy": 0.75,
+      "startedAt": "2026-07-11T19:00:00.000Z",
+      "completedAt": "2026-07-11T19:18:00.000Z"
+    },
+    {
+      "id": "ps-003",
+      "practiceType": "weak_chapter",
+      "status": "in_progress",
+      "totalQuestions": 12,
+      "answeredQuestions": 5,
+      "correctCount": 3,
+      "accuracy": 0.6,
+      "startedAt": "2026-07-13T10:00:00.000Z",
+      "completedAt": null
+    },
+    {
+      "id": "ps-004",
+      "practiceType": "ai_recommended",
+      "status": "abandoned",
+      "totalQuestions": 10,
+      "answeredQuestions": 2,
+      "correctCount": 1,
+      "accuracy": 0.5,
+      "startedAt": "2026-07-08T16:00:00.000Z",
+      "completedAt": null
+    }
+  ],
+  "stats": {
+    "totalSessions": 4,
+    "completedSessions": 2,
+    "totalQuestionsAnswered": 25,
+    "totalCorrect": 18,
+    "overallAccuracy": 0.72
+  }
+}

apps/student-portal/src/mocks/fixtures/reportCard.json

@@ -0,0 +1,101 @@
+{
+  "studentId": "stu-001",
+  "studentName": "陈同学",
+  "classId": "cls-001",
+  "className": "高三(2)班",
+  "classTeacherName": "王老师",
+  "academicYearName": "2025-2026学年",
+  "semester": "1",
+  "subjects": [
+    {
+      "subjectId": "subject-math",
+      "subjectName": "数学",
+      "averageScore": 88.5,
+      "rankInSubject": 5,
+      "totalStudentsInSubject": 45,
+      "fullScoreTotal": 442.5,
+      "records": [
+        {
+          "id": "gr-001",
+          "examName": "月考一",
+          "score": 85,
+          "maxScore": 100,
+          "grade": "良好",
+          "rank": 6,
+          "submittedAt": "2026-03-15T10:00:00.000Z"
+        },
+        {
+          "id": "gr-002",
+          "examName": "期中考试",
+          "score": 92,
+          "maxScore": 100,
+          "grade": "优秀",
+          "rank": 3,
+          "submittedAt": "2026-04-20T10:00:00.000Z"
+        }
+      ]
+    },
+    {
+      "subjectId": "subject-chinese",
+      "subjectName": "语文",
+      "averageScore": 82.0,
+      "rankInSubject": 8,
+      "totalStudentsInSubject": 45,
+      "fullScoreTotal": 410.0,
+      "records": [
+        {
+          "id": "gr-003",
+          "examName": "月考一",
+          "score": 80,
+          "maxScore": 100,
+          "grade": "良好",
+          "rank": 10,
+          "submittedAt": "2026-03-16T10:00:00.000Z"
+        },
+        {
+          "id": "gr-004",
+          "examName": "期中考试",
+          "score": 84,
+          "maxScore": 100,
+          "grade": "良好",
+          "rank": 7,
+          "submittedAt": "2026-04-21T10:00:00.000Z"
+        }
+      ]
+    },
+    {
+      "subjectId": "subject-english",
+      "subjectName": "英语",
+      "averageScore": 90.5,
+      "rankInSubject": 3,
+      "totalStudentsInSubject": 45,
+      "fullScoreTotal": 452.5,
+      "records": [
+        {
+          "id": "gr-005",
+          "examName": "月考一",
+          "score": 89,
+          "maxScore": 100,
+          "grade": "良好",
+          "rank": 4,
+          "submittedAt": "2026-03-17T10:00:00.000Z"
+        },
+        {
+          "id": "gr-006",
+          "examName": "期中考试",
+          "score": 92,
+          "maxScore": 100,
+          "grade": "优秀",
+          "rank": 2,
+          "submittedAt": "2026-04-22T10:00:00.000Z"
+        }
+      ]
+    }
+  ],
+  "overallAverage": 87.0,
+  "overallRank": 4,
+  "classTotalStudents": 45,
+  "overallPassRate": 0.96,
+  "overallExcellentRate": 0.33,
+  "generatedAt": "2026-07-13T12:00:00.000Z"
+}

apps/student-portal/src/mocks/handlers.ts

@@ -40,6 +40,17 @@ import myScheduleFixture from "./fixtures/mySchedule.json";
 import studentGrowthFixture from "./fixtures/studentGrowth.json";
 import assignmentAnalysisFixture from "./fixtures/assignmentAnalysis.json";
 import myProfileFixture from "./fixtures/myProfile.json";
+// 批次 A 扩展 fixture
+import errorBookFixture from "./fixtures/errorBook.json";
+import leaveRequestsFixture from "./fixtures/leaveRequests.json";
+import electiveCoursesFixture from "./fixtures/electiveCourses.json";
+import practiceSessionsFixture from "./fixtures/practiceSessions.json";
+import announcementsFixture from "./fixtures/announcements.json";
+import lessonPlansFixture from "./fixtures/lessonPlans.json";
+import coursePlansFixture from "./fixtures/coursePlans.json";
+import reportCardFixture from "./fixtures/reportCard.json";
+import diagnosticReportsFixture from "./fixtures/diagnosticReports.json";
+import masterySummaryFixture from "./fixtures/masterySummary.json";
 
 // ---------------------------------------------------------------------------
 // GraphQL 请求/响应类型
@@ -275,6 +286,181 @@ function handleQuery(
     case "myProfile":
       return graphqlOk("myProfile", ok(myProfileFixture));
 
+    // === 批次 A 扩展查询 ===
+    case "myErrorBook":
+      return graphqlOk("myErrorBook", ok(errorBookFixture));
+
+    case "myLeaveRequests":
+      return graphqlOk("myLeaveRequests", ok(leaveRequestsFixture));
+
+    case "myElectiveSelections": {
+      // 从可选课程中派生选课记录
+      const selections = electiveCoursesFixture.slice(0, 2).map((c) => ({
+        id: `sel-${c.id}`,
+        courseId: c.id,
+        courseName: c.name,
+        status: "enrolled" as const,
+        selectedAt: "2026-07-02T10:00:00.000Z",
+        enrolledAt: "2026-07-03T08:00:00.000Z",
+        droppedAt: null,
+        dropReason: null,
+        course: {
+          id: c.id,
+          name: c.name,
+          teacherName: c.teacherName,
+          subjectName: c.subjectName,
+          capacity: c.capacity,
+          enrolledCount: c.enrolledCount,
+          classroom: c.classroom,
+          schedule: c.schedule,
+          credit: c.credit,
+          status: c.status,
+        },
+      }));
+      return graphqlOk("myElectiveSelections", ok(selections));
+    }
+
+    case "availableElectiveCourses":
+      return graphqlOk(
+        "availableElectiveCourses",
+        ok(electiveCoursesFixture),
+      );
+
+    case "myPracticeSessions":
+      return graphqlOk("myPracticeSessions", ok(practiceSessionsFixture));
+
+    case "startPracticeSession": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const practiceType = (input["practiceType"] as string) ?? "error_variant";
+      const session = {
+        id: `ps-${Date.now()}`,
+        practiceType,
+        status: "in_progress" as const,
+        totalQuestions: 10,
+        answeredQuestions: 0,
+        correctCount: 0,
+        accuracy: 0,
+        startedAt: new Date().toISOString(),
+        currentQuestionIndex: 0,
+        questions: [
+          {
+            id: "pq-001",
+            questionId: "q-001",
+            content: "已知函数 f(x) = x² - 2x + 1，求 f(x) 的最小值。",
+            type: "short-answer",
+            options: [],
+            maxScore: 5,
+            status: "pending" as const,
+          },
+          {
+            id: "pq-002",
+            questionId: "q-002",
+            content: "下列哪个是二次函数的标准形式？",
+            type: "single-choice",
+            options: [
+              { id: "opt-a", text: "y = ax + b" },
+              { id: "opt-b", text: "y = ax² + bx + c (a≠0)" },
+              { id: "opt-c", text: "y = a/x" },
+              { id: "opt-d", text: "y = √x" },
+            ],
+            maxScore: 5,
+            status: "pending" as const,
+          },
+        ],
+      };
+      return graphqlOk("startPracticeSession", ok({ session }));
+    }
+
+    case "announcements":
+      return graphqlOk("announcements", ok(announcementsFixture));
+
+    case "announcementDetail": {
+      const announcementId =
+        (variables["announcementId"] as string) ?? "an-001";
+      const detail =
+        announcementsFixture.find((a) => a.id === announcementId) ??
+        announcementsFixture[0];
+      return graphqlOk("announcementDetail", ok(detail));
+    }
+
+    case "myLessonPlans":
+      return graphqlOk("myLessonPlans", ok(lessonPlansFixture));
+
+    case "lessonPlanDetail": {
+      const planId = (variables["planId"] as string) ?? "lp-001";
+      const item =
+        lessonPlansFixture.find((l) => l.id === planId) ?? lessonPlansFixture[0];
+      const detail = {
+        ...item,
+        content: {
+          objectives:
+            "1. 理解核心概念与基本原理\n2. 掌握解题方法与技巧\n3. 能够综合运用解决实际问题",
+          keyPoints: "重点：核心公式的推导与应用\n难点：综合题型的分析与解题策略",
+          summary: "本节课围绕核心知识点展开，通过例题讲解与课堂练习巩固理解。",
+          homework: "完成课后练习第 1-5 题，预习下一节内容。",
+          blackboard: "板书要点：公式推导流程图 + 例题解题步骤",
+        },
+      };
+      return graphqlOk("lessonPlanDetail", ok(detail));
+    }
+
+    case "myCoursePlans":
+      return graphqlOk("myCoursePlans", ok(coursePlansFixture));
+
+    case "coursePlanDetail": {
+      const planId = (variables["planId"] as string) ?? "cp-001";
+      const item =
+        coursePlansFixture.find((c) => c.id === planId) ?? coursePlansFixture[0];
+      const detail = {
+        ...item,
+        items: [
+          {
+            id: "cpi-001",
+            week: 1,
+            topic: "函数的基本概念",
+            content: "函数定义、定义域、值域、表示方法",
+            hours: 4,
+            textbookChapter: "第 1.1 节",
+            notes: null,
+            isCompleted: true,
+            completedAt: "2026-02-23T16:00:00.000Z",
+          },
+          {
+            id: "cpi-002",
+            week: 2,
+            topic: "函数的单调性与奇偶性",
+            content: "单调性判定、奇偶性判定、综合应用",
+            hours: 4,
+            textbookChapter: "第 1.2-1.3 节",
+            notes: "注意数形结合",
+            isCompleted: true,
+            completedAt: "2026-03-02T16:00:00.000Z",
+          },
+          {
+            id: "cpi-013",
+            week: 13,
+            topic: "期末复习与综合训练",
+            content: "全册知识点梳理、模拟试卷讲评",
+            hours: 4,
+            textbookChapter: "复习章节",
+            notes: null,
+            isCompleted: false,
+            completedAt: null,
+          },
+        ],
+      };
+      return graphqlOk("coursePlanDetail", ok(detail));
+    }
+
+    case "myReportCard":
+      return graphqlOk("myReportCard", ok(reportCardFixture));
+
+    case "myDiagnosticReports":
+      return graphqlOk("myDiagnosticReports", ok(diagnosticReportsFixture));
+
+    case "myMasterySummary":
+      return graphqlOk("myMasterySummary", ok(masterySummaryFixture));
+
     default: {
       // 未覆盖的查询操作名，返回错误
       return graphqlError(
@@ -433,6 +619,127 @@ function handleMutation(
       return graphqlOk("leaveClass", ok(result));
     }
 
+    // === 批次 A 扩展变更 ===
+    case "addErrorBookItem": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const result = {
+        id: `eb-${Date.now()}`,
+        status: "new" as const,
+        createdAt: new Date().toISOString(),
+      };
+      void input;
+      return graphqlOk("addErrorBookItem", ok(result));
+    }
+
+    case "updateErrorBookItem": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const id = (input["id"] as string) ?? "";
+      const reviewResult = input["reviewResult"] as
+        | "again"
+        | "hard"
+        | "good"
+        | "easy"
+        | undefined;
+      const masteryMap: Record<string, number> = {
+        again: 0.2,
+        hard: 0.4,
+        good: 0.7,
+        easy: 0.9,
+      };
+      const mastery = reviewResult ? masteryMap[reviewResult] ?? 0.5 : 0.5;
+      const nextReview = new Date();
+      nextReview.setDate(nextReview.getDate() + (reviewResult === "again" ? 1 : reviewResult === "hard" ? 3 : 7));
+      const result = {
+        id,
+        status: mastery >= 0.8 ? ("mastered" as const) : ("learning" as const),
+        masteryLevel: mastery,
+        nextReviewAt: nextReview.toISOString(),
+        reviewCount: 1,
+      };
+      return graphqlOk("updateErrorBookItem", ok(result));
+    }
+
+    case "deleteErrorBookItem": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const id = (input["id"] as string) ?? "";
+      return graphqlOk("deleteErrorBookItem", ok({ id, deleted: true }));
+    }
+
+    case "createLeaveRequest": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const result = {
+        id: `lv-${Date.now()}`,
+        status: "pending" as const,
+        createdAt: new Date().toISOString(),
+      };
+      void input;
+      return graphqlOk("createLeaveRequest", ok(result));
+    }
+
+    case "cancelLeaveRequest": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const id = (input["id"] as string) ?? "";
+      return graphqlOk(
+        "cancelLeaveRequest",
+        ok({ id, status: "cancelled" as const }),
+      );
+    }
+
+    case "selectElectiveCourse": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const courseId = (input["courseId"] as string) ?? "";
+      const result = {
+        id: `sel-${Date.now()}`,
+        courseId,
+        status: "enrolled" as const,
+        selectedAt: new Date().toISOString(),
+      };
+      return graphqlOk("selectElectiveCourse", ok(result));
+    }
+
+    case "dropElectiveCourse": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const courseId = (input["courseId"] as string) ?? "";
+      const result = {
+        id: `sel-${courseId}`,
+        courseId,
+        status: "dropped" as const,
+        droppedAt: new Date().toISOString(),
+      };
+      return graphqlOk("dropElectiveCourse", ok(result));
+    }
+
+    case "submitPracticeAnswer": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const questionId = (input["questionId"] as string) ?? "";
+      const isCorrect = questionId === "q-002" && input["answer"] === "opt-b";
+      const result = {
+        answerId: `ans-${Date.now()}`,
+        isCorrect,
+        score: isCorrect ? 5 : 0,
+        maxScore: 5,
+        correctAnswer: questionId === "q-002" ? "opt-b" : "x=1",
+        sessionCompleted: false,
+        session: {
+          id: (input["sessionId"] as string) ?? "",
+          answeredQuestions: 1,
+          correctCount: isCorrect ? 1 : 0,
+          accuracy: isCorrect ? 1 : 0,
+          status: "in_progress" as const,
+        },
+      };
+      return graphqlOk("submitPracticeAnswer", ok(result));
+    }
+
+    case "markAnnouncementRead": {
+      const input = (variables["input"] ?? {}) as Record<string, unknown>;
+      const announcementId = (input["announcementId"] as string) ?? "";
+      return graphqlOk(
+        "markAnnouncementRead",
+        ok({ announcementId, read: true }),
+      );
+    }
+
     default: {
       // 未覆盖的变更操作名，返回错误
       return graphqlError(
@@ -469,6 +776,21 @@ const QUERY_NAMES = new Set<QueryOperationName>([
   "studentGrowth",
   "assignmentAnalysis",
   "myProfile",
+  "myErrorBook",
+  "myLeaveRequests",
+  "myElectiveSelections",
+  "availableElectiveCourses",
+  "myPracticeSessions",
+  "startPracticeSession",
+  "announcements",
+  "announcementDetail",
+  "myLessonPlans",
+  "lessonPlanDetail",
+  "myCoursePlans",
+  "coursePlanDetail",
+  "myReportCard",
+  "myDiagnosticReports",
+  "myMasterySummary",
 ]);
 
 /** 变更操作名集合 */
@@ -571,6 +893,16 @@ export const fixtures = {
   studentGrowth: studentGrowthFixture,
   assignmentAnalysis: assignmentAnalysisFixture,
   myProfile: myProfileFixture,
+  errorBook: errorBookFixture,
+  leaveRequests: leaveRequestsFixture,
+  electiveCourses: electiveCoursesFixture,
+  practiceSessions: practiceSessionsFixture,
+  announcements: announcementsFixture,
+  lessonPlans: lessonPlansFixture,
+  coursePlans: coursePlansFixture,
+  reportCard: reportCardFixture,
+  diagnosticReports: diagnosticReportsFixture,
+  masterySummary: masterySummaryFixture,
 };
 
 /** 导出工具函数供测试使用 */