feat(shared): update db schema, i18n messages, rate-limit, auth-session-provider

- Update src/shared/db/schema.ts - Update i18n messages for en and zh-CN (error-book, exam-homework, leave, lesson-preparation, notifications, rbac, student, textbooks, diagnostic) - Update src/shared/lib/rate-limit/index.ts and redis-limiter.ts - Update src/shared/components/auth-session-provider.tsx
2026-07-04 10:23:29 +08:00
parent 3569d83b8e
commit d2c250a1b3
21 changed files with 848 additions and 331 deletions
--- a/src/shared/components/auth-session-provider.tsx
+++ b/src/shared/components/auth-session-provider.tsx
@@ -2,10 +2,17 @@

 import * as React from "react"
 import { SessionProvider } from "next-auth/react"
+import type { Session } from "next-auth"

-export function AuthSessionProvider({ children }: { children: React.ReactNode }) {
+interface AuthSessionProviderProps {
+  children: React.ReactNode
+  /** SSR 期间获取的 session，避免 client 端异步获取导致的 hydration mismatch */
+  session?: Session | null
+}
+
+export function AuthSessionProvider({ children, session }: AuthSessionProviderProps) {
  return (
-    <SessionProvider refetchOnWindowFocus={false} refetchInterval={0}>
+    <SessionProvider session={session} refetchOnWindowFocus={false} refetchInterval={0}>
      {children}
    </SessionProvider>
  )
--- a/src/shared/db/schema.ts
+++ b/src/shared/db/schema.ts
@@ -1587,8 +1587,9 @@ export const examProctoringEvents = mysqlTable("exam_proctoring_events", {

 export const knowledgePointMastery = mysqlTable("knowledge_point_mastery", {
  id: id("id").primaryKey(),
-  studentId: varchar("student_id", { length: 128 }).notNull().references(() => users.id, { onDelete: "cascade" }),
-  knowledgePointId: varchar("knowledge_point_id", { length: 128 }).notNull().references(() => knowledgePoints.id, { onDelete: "cascade" }),
+  // 显式 foreignKey 见表参数（避免自动生成 FK 名过长 > 64 字符）
+  studentId: varchar("student_id", { length: 128 }).notNull(),
+  knowledgePointId: varchar("knowledge_point_id", { length: 128 }).notNull(),
  masteryLevel: decimal("mastery_level", { precision: 5, scale: 2 }).default("0").notNull(),
  totalQuestions: int("total_questions").default(0).notNull(),
  correctQuestions: int("correct_questions").default(0).notNull(),
@@ -1599,6 +1600,16 @@ export const knowledgePointMastery = mysqlTable("knowledge_point_mastery", {
  studentKpPk: primaryKey({ columns: [table.studentId, table.knowledgePointId] }),
  studentIdx: index("mastery_student_idx").on(table.studentId),
  kpIdx: index("mastery_kp_idx").on(table.knowledgePointId),
+  studentFk: foreignKey({
+    columns: [table.studentId],
+    foreignColumns: [users.id],
+    name: "kpm_student_fk",
+  }).onDelete("cascade"),
+  kpFk: foreignKey({
+    columns: [table.knowledgePointId],
+    foreignColumns: [knowledgePoints.id],
+    name: "kpm_kp_fk",
+  }).onDelete("cascade"),
 }));

 export const diagnosticReportStatusEnum = mysqlEnum("report_status", ["draft", "published", "archived"]);
@@ -1750,6 +1761,28 @@ export const lessonPlanSubstitutes = mysqlTable("lesson_plan_substitutes", {
  dateRangeIdx: index("lps_date_range_idx").on(table.startDate, table.endDate),
 }));

+// V5-7：课案-课时绑定表（将课案绑定到具体班级的某个日期/节次）
+export const lessonPlanSchedules = mysqlTable("lesson_plan_schedules", {
+  id: id("id").primaryKey(),
+  planId: varchar("plan_id", { length: 128 }).notNull().references(() => lessonPlans.id, { onDelete: "cascade" }),
+  classId: varchar("class_id", { length: 128 }).notNull().references(() => classes.id, { onDelete: "cascade" }),
+  /** 排课日期 YYYY-MM-DD */
+  scheduledDate: date("scheduled_date").notNull(),
+  /** 节次序号（1-12，对应学校节次安排） */
+  period: int("period").notNull(),
+  /** 关联 class_schedule.id（如使用课表）*/
+  classScheduleId: varchar("class_schedule_id", { length: 128 }),
+  /** 教学时长（分钟），默认 40 */
+  durationMin: int("duration_min").default(40).notNull(),
+  createdBy: varchar("created_by", { length: 128 }).notNull().references(() => users.id),
+  createdAt: timestamp("created_at").defaultNow().notNull(),
+  updatedAt: timestamp("updated_at").defaultNow().onUpdateNow().notNull(),
+}, (table) => ({
+  planIdx: index("lpsc_plan_idx").on(table.planId),
+  classDateIdx: index("lpsc_class_date_idx").on(table.classId, table.scheduledDate),
+  teacherDateIdx: index("lpsc_plan_date_idx").on(table.planId, table.scheduledDate),
+}));
+
 // --- 25. System Settings (系统设置 - 键值对存储) ---

 export const systemSettings = mysqlTable("system_settings", {
@@ -2115,7 +2148,8 @@ export const lessonPlanFormativeItems = mysqlTable("lesson_plan_formative_items"
 /** M5 学生作答记录 */
 export const lessonPlanFormativeResponses = mysqlTable("lesson_plan_formative_responses", {
  id: id("id").primaryKey(),
-  itemId: varchar("item_id", { length: 128 }).notNull().references(() => lessonPlanFormativeItems.id, { onDelete: "cascade" }),
+  // 显式 foreignKey 见表参数（避免自动生成 FK 名过长 > 64 字符）
+  itemId: varchar("item_id", { length: 128 }).notNull(),
  studentId: varchar("student_id", { length: 128 }).notNull().references(() => users.id, { onDelete: "cascade" }),
  classId: varchar("class_id", { length: 128 }),
  /** 学生作答（JSON） */
@@ -2129,6 +2163,11 @@ export const lessonPlanFormativeResponses = mysqlTable("lesson_plan_formative_re
  itemIdx: index("lpfr_item_idx").on(table.itemId),
  studentIdx: index("lpfr_student_idx").on(table.studentId),
  classIdx: index("lpfr_class_idx").on(table.classId),
+  itemFk: foreignKey({
+    columns: [table.itemId],
+    foreignColumns: [lessonPlanFormativeItems.id],
+    name: "lpfr_item_fk",
+  }).onDelete("cascade"),
 }));

 // --- 31. Lesson Plan Analytics (M10 备课分析仪表盘) ---
--- a/src/shared/i18n/messages/en/error-book.json
+++ b/src/shared/i18n/messages/en/error-book.json
@@ -283,7 +283,7 @@
    "reviewRecorded": "Review recorded",
    "archived": "Error archived",
    "deleted": "Error deleted",
-    "collected": "Collected {{count}} errors",
+    "collected": "Collected {count} errors",
    "noNewErrors": "No new errors to collect",
    "addFailed": "Failed to add error",
    "saveFailed": "Save failed",
--- a/src/shared/i18n/messages/en/exam-homework.json
+++ b/src/shared/i18n/messages/en/exam-homework.json
@@ -70,7 +70,7 @@
      "3": "Medium",
      "4": "Med-Hard",
      "5": "Hard",
-      "ariaLabel": "Difficulty level {{level}}: {{label}}"
+      "ariaLabel": "Difficulty level {level}: {label}"
    },
    "actions": {
      "preview": "Preview Exam",
@@ -83,7 +83,7 @@
      "archive": "Archive",
      "delete": "Delete",
      "deleteConfirmTitle": "Are you absolutely sure?",
-      "deleteConfirmDescription": "This action cannot be undone. This will permanently delete the exam \"{{title}}\" and remove all associated data.",
+      "deleteConfirmDescription": "This action cannot be undone. This will permanently delete the exam \"{title}\" and remove all associated data.",
      "cancel": "Cancel",
      "deleteSuccess": "Exam deleted successfully",
      "deleteFailed": "Failed to delete exam",
@@ -165,7 +165,7 @@
      "richEditorHint": "Switch to rich text editor",
      "loaded": "loaded",
      "startHint": "Start by adding questions from the right panel",
-      "itemsInStructure": "{{count}} items in structure",
+      "itemsInStructure": "{count} items in structure",
      "saveSuccess": "Exam draft saved",
      "saveFailed": "Save failed",
      "publishSuccess": "Published exam",
@@ -280,7 +280,7 @@
      "sectionLabel": "Section",
      "partLabel": "Part",
      "groupLabel": "Group",
-      "questionCountSummary": "({{count}} questions, {{score}} pts)",
+      "questionCountSummary": "({count} questions, {score} pts)",
      "typeSingleChoice": "Single Choice",
      "typeMultipleChoice": "Multiple Choice",
      "typeJudgment": "Judgment",
@@ -310,8 +310,8 @@
      "taskInterrupted": "Task was interrupted after page refresh, please regenerate",
      "untitledExam": "Untitled Exam",
      "queuedSuccess": "Added to background queue, you can continue editing",
-      "backgroundComplete": "Background generation complete: {{title}}",
-      "backgroundFailed": "Background generation failed: {{title}}",
+      "backgroundComplete": "Background generation complete: {title}",
+      "backgroundFailed": "Background generation failed: {title}",
      "selectQuestionFirst": "Please select a question first",
      "questionNotFound": "Selected question not found",
      "enterRewriteInstruction": "Please enter rewrite instruction",
@@ -321,7 +321,7 @@
      "pasteSourceFirst": "Please paste the full exam text first"
    },
    "paperPreview": {
-      "scoreWithUnit": "({{score}} pts)"
+      "scoreWithUnit": "({score} pts)"
    },
    "actionMessages": {
      "enterRewriteInstruction": "Please enter rewrite instruction",
@@ -361,16 +361,16 @@
      "noQuestionText": "(no question text)"
    },
    "card": {
-      "level": "Lvl {{level}}",
-      "minutes": "{{count}} min",
-      "points": "{{count}} pts",
-      "questions": "{{count}} Questions"
+      "level": "Lvl {level}",
+      "minutes": "{count} min",
+      "points": "{count} pts",
+      "questions": "{count} Questions"
    },
    "viewer": {
      "section": "Section",
      "group": "Group",
      "score": "Score",
-      "scoreLabel": "Score: {{score}}",
+      "scoreLabel": "Score: {score}",
      "noQuestions": "No questions available.",
      "unknown": "unknown"
    },
@@ -379,7 +379,7 @@
      "title": "Exam Preview",
      "generating": "Generating preview...",
      "fullPreview": "Full exam preview",
-      "summary": "{{count}} questions · {{subject}} · {{grade}} · {{minutes}} min · {{total}} pts",
+      "summary": "{count} questions · {subject} · {grade} · {minutes} min · {total} pts",
      "noPreview": "No preview available",
      "confirmCreate": "Confirm & Create",
      "untitledQuestion": "Untitled question",
@@ -390,7 +390,7 @@
      "label": "Options",
      "addOption": "Add option",
      "correct": "Correct",
-      "markCorrectAria": "Mark option {{id}} as correct answer",
+      "markCorrectAria": "Mark option {id} as correct answer",
      "deleteOptionAria": "Delete option"
    },
    "editorExtensions": {
@@ -400,7 +400,7 @@
      "group": {
        "titlePlaceholder": "Group title (e.g. I. Multiple Choice)",
        "instructionPlaceholder": "Instruction (e.g. 3 pts each, 24 pts total) — optional, total auto-calculated",
-        "statsSummary": "{{count}} questions · {{score}} pts"
+        "statsSummary": "{count} questions · {score} pts"
      },
      "question": {
        "typeSingleChoice": "Single Choice",
@@ -416,7 +416,7 @@
        "levelVolume": "Volume",
        "levelPart": "Part",
        "levelSubVolume": "Sub-volume",
-        "statsSummary": "{{count}} questions · {{score}} pts"
+        "statsSummary": "{count} questions · {score} pts"
      }
    }
  },
@@ -430,7 +430,7 @@
      "emptyDescription": "You haven't created any assignments yet.",
      "emptyFilteredDescription": "Try clearing filters or adjusting keywords.",
      "clearFilters": "Clear filters",
-      "filterByClass": "Filter by class: {{className}}",
+      "filterByClass": "Filter by class: {className}",
      "columns": {
        "title": "Title",
        "status": "Status",
@@ -488,7 +488,7 @@
    },
    "take": {
      "questions": "Questions",
-      "question": "Question {{index}}",
+      "question": "Question {index}",
      "points": "points",
      "startAssignment": "Start Assignment",
      "submitAssignment": "Submit Assignment",
@@ -505,12 +505,12 @@
      "readyDescription": "Click the \"Start Assignment\" button above to begin. Your answers will be saved when you click \"Save Answer\".",
      "startNow": "Start Now",
      "back": "Back",
-      "timedExam": "Timed exam: {{minutes}} minutes",
+      "timedExam": "Timed exam: {minutes} minutes",
      "timeRemaining": "Time remaining",
      "timeUpAutoSubmit": "Time is up, auto-submitting...",
      "confirmSubmit": "Confirm Submission",
      "confirmSubmitDescription": "All questions have been answered. Submitted answers cannot be changed. Are you sure you want to submit?",
-      "unansweredWarning": "You have {{count}} unanswered question(s). Submitted answers cannot be changed. Are you sure you want to submit?",
+      "unansweredWarning": "You have {count} unanswered question(s). Submitted answers cannot be changed. Are you sure you want to submit?",
      "cancel": "Cancel",
      "confirmSubmitAction": "Confirm Submit",
      "submitSuccess": "Submitted",
@@ -521,15 +521,15 @@
      "status": "Status",
      "dueDate": "Due Date",
      "overdue": "Overdue",
-      "hoursLeft": "{{hours}} hour(s) left",
+      "hoursLeft": "{hours} hour(s) left",
      "lessThanOneHour": "Less than 1 hour left",
      "attempts": "Attempts",
-      "attemptsUsed": "{{used}} / {{max}} used",
-      "attemptsRemaining": "· {{remaining}} remaining",
+      "attemptsUsed": "{used} / {max} used",
+      "attemptsRemaining": "· {remaining} remaining",
      "description": "Description",
      "noDescription": "No description provided.",
      "progress": "Progress",
-      "jumpToQuestion": "Jump to question {{index}}",
+      "jumpToQuestion": "Jump to question {index}",
      "answered": "Answered",
      "unanswered": "Not answered",
      "yourAnswer": "Your answer",
@@ -550,12 +550,12 @@
      "scanDescription": "After answering on paper, photograph and upload the full paper",
      "selectImageFiles": "Please select image files",
      "uploadFailed": "Upload failed",
-      "uploadSuccess": "Uploaded {{count}} images",
+      "uploadSuccess": "Uploaded {count} images",
      "deleteScan": "Delete",
      "moveUp": "Move Up",
      "moveDown": "Move Down",
      "dragDropHint": "Drag images here, or click to select files",
-      "pageLabel": "Page {{page}}",
+      "pageLabel": "Page {page}",
      "scanDisabled": "Submitted, scan images cannot be modified"
    },
    "grade": {
@@ -589,7 +589,7 @@
      "scoreLabel": "Score",
      "addFeedback": "Add Feedback",
      "hideFeedback": "Hide Feedback",
-      "feedbackPlaceholder": "Provide feedback for {{name}}...",
+      "feedbackPlaceholder": "Provide feedback for {name}...",
      "submitGrades": "Submit Grades",
      "saving": "Saving...",
      "gradesSaved": "Grading saved successfully",
@@ -600,7 +600,7 @@
      "next": "Next",
      "gradesAutoSaveNote": "Grades are saved automatically when you click Submit. Students will see their grades and feedback immediately after you submit.",
      "batchAutoGrade": "Batch Auto-Grade",
-      "batchSelected": "{{count}} submissions selected",
+      "batchSelected": "{count} submissions selected",
      "batchSelectAtLeastOne": "Please select at least one submission",
      "batchFailed": "Batch grading failed",
      "selectAll": "Select All",
@@ -616,9 +616,9 @@
      "noScans": "No scan images",
      "saveFailed": "Save failed",
      "scanFeedbackPlaceholder": "Grading feedback (optional)...",
-      "scoreOutOf": "/ {{max}} pts",
-      "questionsCount": "Questions & Grading ({{count}} items)",
-      "scanPagesCount": "Student Scan Images ({{count}} pages)"
+      "scoreOutOf": "/ {max} pts",
+      "questionsCount": "Questions & Grading ({count} items)",
+      "scanPagesCount": "Student Scan Images ({count} pages)"
    },
    "review": {
      "title": "Review",
@@ -700,15 +700,15 @@
      "questionPreview": "Question Preview",
      "errorAnalysis": "Error Analysis",
      "errorRateOverview": "Error Rate Overview",
-      "errorRateAriaLabel": "Error rate {{rate}}%",
+      "errorRateAriaLabel": "Error rate {rate}%",
      "question": "Question",
      "errors": "Errors",
      "errorRateLabel": "Error Rate",
-      "wrongAnswersWithCount": "Wrong Answers ({{count}})",
+      "wrongAnswersWithCount": "Wrong Answers ({count})",
      "wrongAnswers": "Wrong Answers",
      "noWrongAnswers": "No wrong answers recorded.",
      "studentAnswer": "Student Answer",
-      "studentCount": "{{count}} student(s)",
+      "studentCount": "{count} student(s)",
      "notAnswered": "Not answered",
      "selectQuestionHint": "Select a question from the left",
      "selectQuestionHintDesc": "to view error analysis",
@@ -721,9 +721,9 @@
      "zoomIn": "Zoom in",
      "rotate": "Rotate",
      "fullscreen": "Fullscreen",
-      "pageIndicator": "Page {{current}} / {{total}}",
-      "answerImageAlt": "Answer image page {{page}}",
-      "thumbnailAlt": "Thumbnail {{page}}"
+      "pageIndicator": "Page {current} / {total}",
+      "answerImageAlt": "Answer image page {page}",
+      "thumbnailAlt": "Thumbnail {page}"
    },
    "submissions": {
      "title": "Submissions",
@@ -744,26 +744,26 @@
    },
    "excellent": {
      "title": "Excellent Submissions",
-      "description": "Top submissions scoring {{minPercentage}}% or above in this assignment.",
+      "description": "Top submissions scoring {minPercentage}% or above in this assignment.",
      "empty": "No excellent submissions yet.",
      "emptyHint": "They will appear here after grading is complete.",
      "loading": "Loading excellent submissions...",
      "loadFailed": "Failed to load",
      "retry": "Retry",
-      "rank": "Rank {{rank}}",
+      "rank": "Rank {rank}",
      "scoreLabel": "Score",
-      "scoreValue": "{{score}} / {{max}}",
-      "percentage": "{{value}}%",
+      "scoreValue": "{score} / {max}",
+      "percentage": "{value}%",
      "lateTag": "Late",
      "viewDetail": "View Details",
-      "submittedAt": "Submitted on {{date}}",
+      "submittedAt": "Submitted on {date}",
      "studentAnon": "Student"
    },
    "parentExam": {
      "examsTaken": "Exams Taken",
      "averageScore": "Average Score",
      "bestScore": "Best Score",
-      "examResults": "{{name}}'s Exam Results",
+      "examResults": "{name}'s Exam Results",
      "examResultsDescription": "Recent exam scores and performance trends",
      "noResults": "No exam results",
      "noResultsHint": "Exam results will appear here once available.",
--- a/src/shared/i18n/messages/en/leave.json
+++ b/src/shared/i18n/messages/en/leave.json
@@ -1,12 +1,16 @@
 {
-  "title": "Leave Request",
-  "title.parent": "Online Leave",
-  "title.teacher": "Leave Approval",
-  "title.student": "My Leave Requests",
-  "description": "Submit a leave request for your child.",
-  "description.parent": "Submit a leave request for your child. Attendance is auto-synced after homeroom teacher approval.",
-  "description.teacher": "View and approve leave requests from students in your classes. Approved leaves automatically mark attendance as 'excused'.",
-  "description.student": "Submit your own leave request. It takes effect after homeroom teacher approval.",
+  "title": {
+    "default": "Leave Request",
+    "parent": "Online Leave",
+    "teacher": "Leave Approval",
+    "student": "My Leave Requests"
+  },
+  "description": {
+    "default": "Submit a leave request for your child.",
+    "parent": "Submit a leave request for your child. Attendance is auto-synced after homeroom teacher approval.",
+    "teacher": "View and approve leave requests from students in your classes. Approved leaves automatically mark attendance as 'excused'.",
+    "student": "Submit your own leave request. It takes effect after homeroom teacher approval."
+  },
  "backToDashboard": "Back to Dashboard",
  "onlineLeave": "Online Leave Request",
  "comingSoon": "Coming soon",
--- a/src/shared/i18n/messages/en/lesson-preparation.json
+++ b/src/shared/i18n/messages/en/lesson-preparation.json
@@ -27,7 +27,12 @@
    "unpublishPlanConfirm": "Students and parents will no longer be able to view this lesson plan after unpublishing. Confirm?",
    "publishPlanSuccess": "Lesson plan published",
    "unpublishPlanSuccess": "Lesson plan unpublished",
-    "viewHomework": "View"
+    "viewHomework": "View",
+    "undo": "Undo",
+    "undoShortcut": "Undo (Ctrl+Z)",
+    "redo": "Redo",
+    "redoShortcut": "Redo (Ctrl+Shift+Z)",
+    "scheduleLesson": "Schedule"
  },
  "status": {
    "saving": "Saving...",
@@ -39,7 +44,15 @@
    "published": "Published",
    "rejected": "Rejected",
    "archived": "Archived",
-    "publishedAsHomework": "Published as Homework"
+    "publishedAsHomework": "Published as Homework",
+    "retrySave": "Retry Save",
+    "saveFailed": "Save Failed",
+    "saveFailedHint": "Please check your network and retry. Edits are preserved.",
+    "recovered": "Save recovered",
+    "offline": "Network offline",
+    "offlineHint": "Edits are kept locally and will auto-save when network restores.",
+    "offlineBadge": "Offline",
+    "backOnline": "Back online"
  },
  "blockType": {
    "objective": "Objective",
@@ -130,7 +143,46 @@
    "textbookLabel": "Textbook",
    "chapterLabel": "Chapter",
    "selectNodeForAnchor": "Select a node to link",
-    "createNewNode": "Create and link a new node"
+    "createNewNode": "Create and link a new node",
+    "autoLayout": "Auto Layout",
+    "autoLayoutHint": "Auto-arrange nodes based on flow relations",
+    "stageLabel": "Stage",
+    "stageNone": "Uncategorized",
+    "stage": {
+      "import": "Introduction",
+      "new_teaching": "New Teaching",
+      "consolidation": "Consolidation",
+      "summary": "Summary"
+    },
+    "differentiationLabel": "Differentiation",
+    "differentiationNone": "None",
+    "differentiation": {
+      "basic": "Basic",
+      "intermediate": "Intermediate",
+      "advanced": "Advanced"
+    },
+    "consistencyTitle": "Alignment",
+    "consistencyScore": "Alignment score: {score}",
+    "consistencyCoverage": "Objective coverage: {covered}/{total}",
+    "consistencyOpen": "Alignment Check",
+    "consistencyClose": "Close",
+    "consistencyNoIssues": "No alignment issues found",
+    "consistencyObjectiveCount": "Objectives {count}",
+    "consistencyExerciseCount": "Assessments {count}"
+  },
+  "consistency": {
+    "title": "Teaching-Assessment Alignment Check",
+    "score": "Alignment score: {score}",
+    "coverage": "Objective coverage: {covered}/{total}",
+    "noIssues": "No alignment issues found",
+    "code": {
+      "noObjective": "Missing objective node (consider adding an objective node)",
+      "noExercise": "Missing assessment node (consider adding an exercise node)",
+      "objectiveNotAssessed": "Objective \"{title}\" is not covered by any assessment",
+      "exerciseNoKnowledgePoint": "Assessment \"{title}\" has no linked knowledge points",
+      "exerciseWithoutObjective": "Assessment \"{title}\" is not linked to any objective",
+      "objectiveNoKnowledgePoint": "Objective \"{title}\" has no tagged knowledge points"
+    }
  },
  "readonly": {
    "title": "View Lesson Plan",
@@ -160,6 +212,65 @@
    "title": "Grade Lesson Plans",
    "description": "View lesson plans from teachers in your grade"
  },
+  "library": {
+    "title": "School Lesson Plan Library",
+    "description": "Browse outstanding lesson plans shared by teachers in your school",
+    "empty": "No reference lesson plans available",
+    "fork": "Copy to my plans",
+    "forkSuccess": "Copied to your lesson plans",
+    "byCreator": "By: {creator}",
+    "noCreator": "Unknown author"
+  },
+  "feedback": {
+    "title": "AI Teaching Feedback",
+    "open": "AI Feedback",
+    "loading": "AI is analyzing the lesson plan...",
+    "loadFailed": "AI feedback generation failed, please retry later",
+    "empty": "No feedback suggestions generated",
+    "summary": "Overall Assessment",
+    "score": "Score",
+    "category": {
+      "strengths": "Strengths",
+      "improvements": "Improvements",
+      "alignment": "Alignment",
+      "differentiation": "Differentiation"
+    }
+  },
+  "aiDifferentiation": {
+    "title": "AI Differentiation & Curriculum Check",
+    "open": "AI Differentiation",
+    "loading": "AI is analyzing...",
+    "loadFailed": "AI analysis failed, please try again later",
+    "empty": "No results generated",
+    "noKnowledgePoints": "No knowledge points provided, curriculum check unavailable",
+    "covered": "{count} covered",
+    "missed": "{count} missed",
+    "tabs": {
+      "differentiation": "Differentiation",
+      "curriculum": "Curriculum Check",
+      "assessment": "Explainable Assessment"
+    },
+    "level": {
+      "basic": "Basic",
+      "intermediate": "Intermediate",
+      "advanced": "Advanced"
+    }
+  },
+  "heatmap": {
+    "title": "Curriculum Coverage Heatmap",
+    "description": "View how your lesson plans cover textbook knowledge points",
+    "totalKps": "Total KPs",
+    "coveredKps": "Covered",
+    "coverageRate": "Coverage Rate",
+    "blindSpotTitle": "{count} blind spots",
+    "andMore": " and more",
+    "unknownChapter": "Unknown Chapter",
+    "chapterCoverage": "{covered}/{total} ({rate}%)",
+    "notCovered": "Not covered",
+    "planCount": "{count} plans",
+    "selectTextbook": "Select a textbook to view heatmap",
+    "noData": "No knowledge points for this textbook"
+  },
  "picker": {
    "textbookLabel": "Select Textbook",
    "chapterLabel": "Select Chapter",
@@ -172,7 +283,11 @@
    "noChapters": "No chapters in this textbook",
    "selectedChapter": "Selected: {chapter}",
    "skeletonHint": "A lesson skeleton centered on the textbook content will be generated (10 teaching nodes)",
-    "errorTextbookChapterRequired": "Please select a textbook and chapter"
+    "errorTextbookChapterRequired": "Please select a textbook and chapter",
+    "searchTextbookPlaceholder": "Search textbooks (title/subject/grade)...",
+    "searchTextbookLabel": "Search textbooks",
+    "recentSection": "Recently Used",
+    "searchEmpty": "No matching textbooks"
  },
  "filters": {
    "searchPlaceholder": "Search title...",
@@ -203,6 +318,25 @@
    "autoLabel": "Auto version",
    "revertLabel": "Revert to v{versionNo}"
  },
+  "diff": {
+    "summary": "Added {added} · Removed {removed} · Modified {modified}",
+    "comparing": "Comparing v{version} with current",
+    "noChanges": "No changes between the two versions",
+    "unchangedCount": "{count} nodes unchanged",
+    "added": "Added",
+    "removed": "Removed",
+    "modified": "Modified",
+    "unchanged": "Unchanged",
+    "changedFields": "Changed fields",
+    "compareWithCurrent": "Compare with current",
+    "back": "Back",
+    "field": {
+      "title": "Title",
+      "stage": "Stage",
+      "differentiation": "Differentiation",
+      "data": "Content"
+    }
+  },
  "knowledgePoint": {
    "title": "Select Knowledge Points",
    "empty": "No knowledge points found. Please create them in the textbook module first.",
@@ -232,6 +366,10 @@
    "questionId": "Question {id}",
    "type": {
      "single_choice": "Single Choice",
+      "multiple_choice": "Multiple Choice",
+      "true_false": "True/False",
+      "short_answer": "Short Answer",
+      "essay": "Essay",
      "text": "Fill in Blank",
      "judgment": "True/False"
    },
@@ -246,7 +384,8 @@
    "difficultyLabel": "Difficulty",
    "knowledgePointLabel": "Knowledge Points",
    "stemRequired": "Please enter the question stem",
-    "addBtn": "Add"
+    "addBtn": "Add",
+    "noDetail": "(no detail available)"
  },
  "exercise": {
    "purposeLabel": "Purpose",
@@ -271,7 +410,27 @@
    "planNotFound": "Lesson plan not found",
    "noPermission": "No permission to publish",
    "homeworkTitle": "{title} - Homework",
-    "homeworkDescription": "From lesson plan"
+    "homeworkDescription": "From lesson plan",
+    "step1": "Select Classes",
+    "step2": "Preview Homework",
+    "step3": "Confirm Publish",
+    "stepIndicator": "Step {current}/{total}: {label}",
+    "next": "Next",
+    "back": "Back",
+    "previewClassCount": "Target Classes",
+    "previewQuestionCount": "Questions",
+    "previewTotalScore": "Total Score",
+    "previewQuestionList": "Question List",
+    "previewSource": "Source: {source}",
+    "previewNoStem": "(no stem preview)",
+    "previewScore": "{score} pts",
+    "confirmTitle": "Please confirm publish details",
+    "confirmClassCount": "Target classes: {count}",
+    "confirmQuestionCount": "Questions: {count}",
+    "confirmTotalScore": "Total score: {score}",
+    "confirmAvailableAt": "Available at: {time}",
+    "confirmDueAt": "Due at: {time}",
+    "confirmWarning": "Students and parents will receive the homework immediately upon publishing. Please verify carefully."
  },
  "textStudy": {
    "sourceTextLabel": "Source Text",
@@ -336,7 +495,12 @@
      "text": "Text-based"
    },
    "contentLabel": "Board Content",
-    "contentPlaceholder": "Enter board content..."
+    "contentPlaceholder": "Enter board content...",
+    "editMode": "Edit",
+    "previewMode": "Preview",
+    "editHint": "Tip: Use 2 spaces or 1 Tab to indent levels",
+    "previewEmpty": "No content yet, switch to edit mode to enter",
+    "untitled": "Central Topic"
  },
  "import": {
    "hint": "Design lesson introduction",
@@ -365,6 +529,45 @@
  "richText": {
    "placeholder": "Enter content..."
  },
+  "export": {
+    "title": "Export / Print",
+    "button": "Export",
+    "print": "Print",
+    "variantDetailed": "Detailed",
+    "variantConcise": "Concise",
+    "teacher": "Teacher",
+    "class": "Class",
+    "totalDuration": "Duration {count} min",
+    "lastSavedAt": "Last saved",
+    "empty": "Lesson plan is empty",
+    "emptySection": "(empty)",
+    "footerHint": "Lesson plan export - {variant}"
+  },
+  "attachment": {
+    "title": "Attachment Library",
+    "add": "Upload File",
+    "insert": "Insert Attachment",
+    "libraryLabel": "Attachments in this lesson plan",
+    "empty": "No attachments yet. Upload one.",
+    "delete": "Delete",
+    "remove": "Remove",
+    "embeddedCount": "{count} attachments embedded",
+    "createSuccess": "Attachment added",
+    "deleteSuccess": "Attachment deleted",
+    "uploadFailed": "Upload failed",
+    "uploadSuccess": "Upload succeeded",
+    "type": {
+      "reference": "Reference",
+      "material": "Material",
+      "supplementary": "Supplementary"
+    },
+    "kind": {
+      "image": "Image",
+      "audio": "Audio",
+      "video": "Video",
+      "file": "File"
+    }
+  },
  "error": {
    "getList": "Failed to get lesson plan list",
    "getOne": "Failed to get lesson plan",
@@ -394,7 +597,12 @@
    "titleTooLong": "Title cannot exceed 255 characters",
    "templateRequired": "Please select a template",
    "invalidDate": "Invalid date format",
-    "classRequired": "At least one class is required"
+    "classRequired": "At least one class is required",
+    "invalidInput": "Invalid input data",
+    "unauthorized": "Unauthorized operation",
+    "planIdRequired": "Plan ID is required",
+    "classIdRequired": "Class ID is required",
+    "dateRequired": "Date is required"
  },
  "confirm": {
    "archive": "Archive this lesson plan?",
@@ -496,26 +704,6 @@
    "recordSuccess": "Response recorded",
    "recordFailed": "Failed to record response"
  },
-  "attachment": {
-    "title": "Attachments",
-    "add": "Add Attachment",
-    "edit": "Edit",
-    "delete": "Delete",
-    "noAttachments": "No attachments",
-    "name": "Name",
-    "type": "Type",
-    "size": "Size",
-    "url": "URL",
-    "upload": "Upload",
-    "download": "Download",
-    "deleteConfirm": "Are you sure you want to delete this attachment?",
-    "deleteSuccess": "Attachment deleted",
-    "deleteFailed": "Failed to delete attachment",
-    "createSuccess": "Attachment added",
-    "createFailed": "Failed to add attachment",
-    "updateSuccess": "Attachment updated",
-    "updateFailed": "Failed to update attachment"
-  },
  "substitute": {
    "title": "Substitute Teacher",
    "add": "Add Assignment",
@@ -536,6 +724,24 @@
    "updateSuccess": "Substitute assignment updated",
    "updateFailed": "Failed to update substitute assignment"
  },
+  "schedule": {
+    "title": "Schedule Lesson",
+    "boundList": "Bound Lessons",
+    "empty": "No bound lessons",
+    "addNew": "Add New Binding",
+    "classLabel": "Class",
+    "dateLabel": "Date",
+    "periodLabel": "Period",
+    "durationLabel": "Duration (min)",
+    "period": "Period {n}",
+    "duration": "{n} min",
+    "add": "Add",
+    "delete": "Delete",
+    "selectClass": "Please select a class",
+    "selectDate": "Please select a date",
+    "addSuccess": "Schedule binding added",
+    "deleteSuccess": "Schedule binding deleted"
+  },
  "evaluation": {
    "title": "AI Evaluation",
    "generate": "Generate Evaluation",
--- a/src/shared/i18n/messages/en/notifications.json
+++ b/src/shared/i18n/messages/en/notifications.json
@@ -49,6 +49,8 @@
  "error": {
    "loadFailed": "Failed to load notifications",
    "loadFailedDesc": "Sorry, an unexpected error occurred while loading notifications. Please try again later.",
+    "boundaryTitle": "Notifications section failed to load",
+    "boundaryDescription": "An error occurred while loading notifications. Please retry.",
    "retry": "Retry"
  }
 }
--- a/src/shared/i18n/messages/en/rbac.json
+++ b/src/shared/i18n/messages/en/rbac.json
@@ -87,211 +87,211 @@
    },
    "exam": {
      "create": "Create Exam",
-      "create.desc": "Allows creating new exams",
+      "createDesc": "Allows creating new exams",
      "read": "Read Exam",
-      "read.desc": "Allows viewing exam list and details",
+      "readDesc": "Allows viewing exam list and details",
      "update": "Update Exam",
-      "update.desc": "Allows modifying exam information",
+      "updateDesc": "Allows modifying exam information",
      "delete": "Delete Exam",
-      "delete.desc": "Allows deleting exams",
+      "deleteDesc": "Allows deleting exams",
      "duplicate": "Duplicate Exam",
-      "duplicate.desc": "Allows duplicating existing exams",
+      "duplicateDesc": "Allows duplicating existing exams",
      "publish": "Publish Exam",
-      "publish.desc": "Allows publishing exams for students to take",
+      "publishDesc": "Allows publishing exams for students to take",
      "ai_generate": "AI Generate Exam",
-      "ai_generate.desc": "Allows using AI to generate exam content",
+      "ai_generateDesc": "Allows using AI to generate exam content",
      "submit": "Submit Exam",
-      "submit.desc": "Allows submitting exam responses",
+      "submitDesc": "Allows submitting exam responses",
      "proctor": "Proctor Exam",
-      "proctor.desc": "Allows performing proctoring operations",
+      "proctorDesc": "Allows performing proctoring operations",
      "proctor_read": "Read Proctoring",
-      "proctor_read.desc": "Allows viewing proctoring information"
+      "proctor_readDesc": "Allows viewing proctoring information"
    },
    "homework": {
      "create": "Create Homework",
-      "create.desc": "Allows creating new homework",
+      "createDesc": "Allows creating new homework",
      "grade": "Grade Homework",
-      "grade.desc": "Allows grading student homework",
+      "gradeDesc": "Allows grading student homework",
      "submit": "Submit Homework",
-      "submit.desc": "Allows submitting homework"
+      "submitDesc": "Allows submitting homework"
    },
    "question": {
      "create": "Create Question",
-      "create.desc": "Allows creating new questions",
+      "createDesc": "Allows creating new questions",
      "read": "Read Question",
-      "read.desc": "Allows viewing question list and details",
+      "readDesc": "Allows viewing question list and details",
      "update": "Update Question",
-      "update.desc": "Allows modifying question information",
+      "updateDesc": "Allows modifying question information",
      "delete": "Delete Question",
-      "delete.desc": "Allows deleting questions"
+      "deleteDesc": "Allows deleting questions"
    },
    "textbook": {
      "create": "Create Textbook",
-      "create.desc": "Allows creating new textbooks",
+      "createDesc": "Allows creating new textbooks",
      "read": "Read Textbook",
-      "read.desc": "Allows viewing textbook list and details",
+      "readDesc": "Allows viewing textbook list and details",
      "update": "Update Textbook",
-      "update.desc": "Allows modifying textbook information",
+      "updateDesc": "Allows modifying textbook information",
      "delete": "Delete Textbook",
-      "delete.desc": "Allows deleting textbooks"
+      "deleteDesc": "Allows deleting textbooks"
    },
    "class": {
      "create": "Create Class",
-      "create.desc": "Allows creating new classes",
+      "createDesc": "Allows creating new classes",
      "read": "Read Class",
-      "read.desc": "Allows viewing class list and details",
+      "readDesc": "Allows viewing class list and details",
      "update": "Update Class",
-      "update.desc": "Allows modifying class information",
+      "updateDesc": "Allows modifying class information",
      "delete": "Delete Class",
-      "delete.desc": "Allows deleting classes",
+      "deleteDesc": "Allows deleting classes",
      "enroll": "Enroll Students",
-      "enroll.desc": "Allows managing student enrollment in classes",
+      "enrollDesc": "Allows managing student enrollment in classes",
      "schedule": "Class Scheduling",
-      "schedule.desc": "Allows managing class schedules"
+      "scheduleDesc": "Allows managing class schedules"
    },
    "school": {
      "manage": "Manage School",
-      "manage.desc": "Allows managing school information",
+      "manageDesc": "Allows managing school information",
      "grade_manage": "Manage Grades",
-      "grade_manage.desc": "Allows managing grade information",
+      "grade_manageDesc": "Allows managing grade information",
      "user_manage": "Manage Users",
-      "user_manage.desc": "Allows managing system users"
+      "user_manageDesc": "Allows managing system users"
    },
    "user": {
      "profile_update": "Update Profile",
-      "profile_update.desc": "Allows updating user profile"
+      "profile_updateDesc": "Allows updating user profile"
    },
    "ai": {
      "chat": "AI Chat",
-      "chat.desc": "Allows using AI chat feature",
+      "chatDesc": "Allows using AI chat feature",
      "configure": "AI Configure",
-      "configure.desc": "Allows configuring AI parameters"
+      "configureDesc": "Allows configuring AI parameters"
    },
    "settings": {
      "admin": "Admin Settings",
-      "admin.desc": "Allows managing system settings"
+      "adminDesc": "Allows managing system settings"
    },
    "audit": {
      "read": "Read Audit Logs",
-      "read.desc": "Allows viewing system audit logs"
+      "readDesc": "Allows viewing system audit logs"
    },
    "announcement": {
      "manage": "Manage Announcements",
-      "manage.desc": "Allows creating, modifying, and deleting announcements",
+      "manageDesc": "Allows creating, modifying, and deleting announcements",
      "read": "Read Announcements",
-      "read.desc": "Allows viewing announcement content"
+      "readDesc": "Allows viewing announcement content"
    },
    "grade_record": {
      "manage": "Manage Grade Records",
-      "manage.desc": "Allows entering and modifying grade records",
+      "manageDesc": "Allows entering and modifying grade records",
      "read": "Read Grade Records",
-      "read.desc": "Allows viewing grade records"
+      "readDesc": "Allows viewing grade records"
    },
    "file": {
      "upload": "Upload File",
-      "upload.desc": "Allows uploading files",
+      "uploadDesc": "Allows uploading files",
      "read": "Read File",
-      "read.desc": "Allows viewing files",
+      "readDesc": "Allows viewing files",
      "delete": "Delete File",
-      "delete.desc": "Allows deleting files"
+      "deleteDesc": "Allows deleting files"
    },
    "course_plan": {
      "manage": "Manage Course Plans",
-      "manage.desc": "Allows creating, modifying, and deleting course plans",
+      "manageDesc": "Allows creating, modifying, and deleting course plans",
      "read": "Read Course Plans",
-      "read.desc": "Allows viewing course plans"
+      "readDesc": "Allows viewing course plans"
    },
    "attendance": {
      "manage": "Manage Attendance",
-      "manage.desc": "Allows entering and modifying attendance records",
+      "manageDesc": "Allows entering and modifying attendance records",
      "read": "Read Attendance",
-      "read.desc": "Allows viewing attendance records"
+      "readDesc": "Allows viewing attendance records"
    },
    "leave_request": {
      "create": "Submit Leave Request",
-      "create.desc": "Allows parents/students to submit online leave requests",
+      "createDesc": "Allows parents/students to submit online leave requests",
      "read": "Read Leave Requests",
-      "read.desc": "Allows viewing own/children/managed-class leave requests",
+      "readDesc": "Allows viewing own/children/managed-class leave requests",
      "review": "Review Leave Requests",
-      "review.desc": "Allows homeroom teachers/admins to approve leave requests and auto-sync attendance"
+      "reviewDesc": "Allows homeroom teachers/admins to approve leave requests and auto-sync attendance"
    },
    "message": {
      "send": "Send Message",
-      "send.desc": "Allows sending messages",
+      "sendDesc": "Allows sending messages",
      "read": "Read Message",
-      "read.desc": "Allows viewing messages",
+      "readDesc": "Allows viewing messages",
      "delete": "Delete Message",
-      "delete.desc": "Allows deleting messages"
+      "deleteDesc": "Allows deleting messages"
    },
    "scheduling": {
      "auto": "Auto Scheduling",
-      "auto.desc": "Allows running automatic scheduling",
+      "autoDesc": "Allows running automatic scheduling",
      "adjust": "Adjust Scheduling",
-      "adjust.desc": "Allows manually adjusting schedules"
+      "adjustDesc": "Allows manually adjusting schedules"
    },
    "elective": {
      "manage": "Manage Electives",
-      "manage.desc": "Allows managing elective settings",
+      "manageDesc": "Allows managing elective settings",
      "read": "Read Electives",
-      "read.desc": "Allows viewing elective information",
+      "readDesc": "Allows viewing elective information",
      "select": "Select Elective",
-      "select.desc": "Allows students to select electives"
+      "selectDesc": "Allows students to select electives"
    },
    "diagnostic": {
      "manage": "Manage Diagnostics",
-      "manage.desc": "Allows managing diagnostic tests",
+      "manageDesc": "Allows managing diagnostic tests",
      "read": "Read Diagnostics",
-      "read.desc": "Allows viewing diagnostic results"
+      "readDesc": "Allows viewing diagnostic results"
    },
    "lesson_plan": {
      "create": "Create Lesson Plan",
-      "create.desc": "Allows creating new lesson plans",
+      "createDesc": "Allows creating new lesson plans",
      "read": "Read Lesson Plan",
-      "read.desc": "Allows viewing lesson plan list and details",
+      "readDesc": "Allows viewing lesson plan list and details",
      "update": "Update Lesson Plan",
-      "update.desc": "Allows modifying lesson plan information",
+      "updateDesc": "Allows modifying lesson plan information",
      "delete": "Delete Lesson Plan",
-      "delete.desc": "Allows deleting lesson plans",
+      "deleteDesc": "Allows deleting lesson plans",
      "publish": "Publish Lesson Plan",
-      "publish.desc": "Allows publishing lesson plans"
+      "publishDesc": "Allows publishing lesson plans"
    },
    "dashboard": {
      "admin_read": "Read Admin Dashboard",
-      "admin_read.desc": "Allows viewing admin dashboard",
+      "admin_readDesc": "Allows viewing admin dashboard",
      "teacher_read": "Read Teacher Dashboard",
-      "teacher_read.desc": "Allows viewing teacher dashboard",
+      "teacher_readDesc": "Allows viewing teacher dashboard",
      "student_read": "Read Student Dashboard",
-      "student_read.desc": "Allows viewing student dashboard",
+      "student_readDesc": "Allows viewing student dashboard",
      "parent_read": "Read Parent Dashboard",
-      "parent_read.desc": "Allows viewing parent dashboard"
+      "parent_readDesc": "Allows viewing parent dashboard"
    },
    "error_book": {
      "read": "Read Error Book",
-      "read.desc": "Allows viewing error book",
+      "readDesc": "Allows viewing error book",
      "manage": "Manage Error Book",
-      "manage.desc": "Allows managing error records",
+      "manageDesc": "Allows managing error records",
      "analytics_read": "Read Error Analytics",
-      "analytics_read.desc": "Allows viewing error book analytics"
+      "analytics_readDesc": "Allows viewing error book analytics"
    },
    "adaptive_practice": {
      "read": "Read Adaptive Practice",
-      "read.desc": "Allows viewing adaptive practice",
+      "readDesc": "Allows viewing adaptive practice",
      "manage": "Manage Adaptive Practice",
-      "manage.desc": "Allows managing adaptive practice"
+      "manageDesc": "Allows managing adaptive practice"
    },
    "rbac": {
      "role_create": "Create Role",
-      "role_create.desc": "Allows creating new roles",
+      "role_createDesc": "Allows creating new roles",
      "role_read": "Read Role",
-      "role_read.desc": "Allows viewing role list and details",
+      "role_readDesc": "Allows viewing role list and details",
      "role_update": "Update Role",
-      "role_update.desc": "Allows modifying role information",
+      "role_updateDesc": "Allows modifying role information",
      "role_delete": "Delete Role",
-      "role_delete.desc": "Allows deleting roles",
+      "role_deleteDesc": "Allows deleting roles",
      "role_assign": "Assign Role",
-      "role_assign.desc": "Allows assigning roles to users",
+      "role_assignDesc": "Allows assigning roles to users",
      "permission_read": "Read Permission",
-      "permission_read.desc": "Allows viewing permission catalog"
+      "permission_readDesc": "Allows viewing permission catalog"
    }
  },
  "actions": {
--- a/src/shared/i18n/messages/en/student.json
+++ b/src/shared/i18n/messages/en/student.json
@@ -77,6 +77,12 @@
    "description": "An unexpected error occurred. Please try again.",
    "retry": "Try again"
  },
+  "errors": {
+    "unexpected": "An unexpected error occurred"
+  },
+  "actions": {
+    "retry": "Try again"
+  },
  "classDetail": {
    "backToCourses": "Back to Courses",
    "grade": "Grade {grade}",
--- a/src/shared/i18n/messages/en/textbooks.json
+++ b/src/shared/i18n/messages/en/textbooks.json
@@ -180,6 +180,12 @@
    "loadFailedDesc": "An error occurred while loading the textbook content. Please try again.",
    "retry": "Retry"
  },
+  "errors": {
+    "unexpected": "An unexpected error occurred"
+  },
+  "actions": {
+    "retry": "Retry"
+  },
  "action": {
    "createSuccess": "Textbook created successfully.",
    "createFailed": "Failed to create textbook.",
@@ -224,6 +230,10 @@
    "noClassMasteryPermission": "No permission to view class mastery data"
  },
  "graph": {
+    "layout": {
+      "hierarchical": "Hierarchical",
+      "force": "Force Graph"
+    },
    "viewMode": {
      "structure": "Structure",
      "studentMastery": "My Mastery",
--- a/src/shared/i18n/messages/zh-CN/diagnostic.json
+++ b/src/shared/i18n/messages/zh-CN/diagnostic.json
@@ -3,7 +3,13 @@
    "student": "学生学情诊断",
    "class": "班级学情诊断",
    "reportList": "诊断报告",
-    "myDiagnostic": "我的学情诊断"
+    "myDiagnostic": "我的学情诊断",
+    "teacherReportList": "学情诊断",
+    "teacherReportListDesc": "查看并管理基于知识点掌握度的诊断报告。",
+    "teacherStudent": "学生诊断",
+    "teacherStudentDesc": "知识点掌握度分析与诊断报告。",
+    "teacherClass": "班级诊断",
+    "teacherClassDesc": "班级知识点掌握度概览与重点关注学生名单。"
  },
  "type": {
    "individual": "个人",
--- a/src/shared/i18n/messages/zh-CN/error-book.json
+++ b/src/shared/i18n/messages/zh-CN/error-book.json
@@ -283,7 +283,7 @@
    "reviewRecorded": "复习结果已记录",
    "archived": "错题已归档",
    "deleted": "错题已删除",
-    "collected": "已采集 {{count}} 道错题",
+    "collected": "已采集 {count} 道错题",
    "noNewErrors": "没有新的错题需要采集",
    "addFailed": "添加错题失败",
    "saveFailed": "保存失败",
--- a/src/shared/i18n/messages/zh-CN/exam-homework.json
+++ b/src/shared/i18n/messages/zh-CN/exam-homework.json
@@ -70,7 +70,7 @@
      "3": "中等",
      "4": "偏难",
      "5": "困难",
-      "ariaLabel": "难度等级 {{level}}：{{label}}"
+      "ariaLabel": "难度等级 {level}：{label}"
    },
    "actions": {
      "preview": "预览考试",
@@ -83,7 +83,7 @@
      "archive": "归档",
      "delete": "删除",
      "deleteConfirmTitle": "确定要删除吗？",
-      "deleteConfirmDescription": "此操作不可撤销。将永久删除考试\"{{title}}\"及所有关联数据。",
+      "deleteConfirmDescription": "此操作不可撤销。将永久删除考试\"{title}\"及所有关联数据。",
      "cancel": "取消",
      "deleteSuccess": "考试已删除",
      "deleteFailed": "删除考试失败",
@@ -165,7 +165,7 @@
      "richEditorHint": "切换到富文本编辑器",
      "loaded": "已加载",
      "startHint": "从右侧面板添加题目开始",
-      "itemsInStructure": "结构中有 {{count}} 项",
+      "itemsInStructure": "结构中有 {count} 项",
      "saveSuccess": "考试草稿已保存",
      "saveFailed": "保存失败",
      "publishSuccess": "考试已发布",
@@ -280,7 +280,7 @@
      "sectionLabel": "分卷",
      "partLabel": "部分",
      "groupLabel": "大题",
-      "questionCountSummary": "(共 {{count}} 题,{{score}} 分)",
+      "questionCountSummary": "(共 {count} 题,{score} 分)",
      "typeSingleChoice": "单选",
      "typeMultipleChoice": "多选",
      "typeJudgment": "判断",
@@ -310,8 +310,8 @@
      "taskInterrupted": "页面刷新后任务已中断，请重新生成",
      "untitledExam": "未命名试卷",
      "queuedSuccess": "已加入后台队列，可继续编辑页面",
-      "backgroundComplete": "后台生成完成：{{title}}",
-      "backgroundFailed": "后台生成失败：{{title}}",
+      "backgroundComplete": "后台生成完成：{title}",
+      "backgroundFailed": "后台生成失败：{title}",
      "selectQuestionFirst": "请先选择一个题目",
      "questionNotFound": "未找到选中的题目",
      "enterRewriteInstruction": "请输入重写指令",
@@ -321,7 +321,7 @@
      "pasteSourceFirst": "请先粘贴试卷文本"
    },
    "paperPreview": {
-      "scoreWithUnit": "({{score}}分)"
+      "scoreWithUnit": "({score}分)"
    },
    "actionMessages": {
      "enterRewriteInstruction": "请输入重写指令",
@@ -361,16 +361,16 @@
      "noQuestionText": "(无题目文本)"
    },
    "card": {
-      "level": "难度 {{level}}",
-      "minutes": "{{count}} 分钟",
-      "points": "{{count}} 分",
-      "questions": "{{count}} 题"
+      "level": "难度 {level}",
+      "minutes": "{count} 分钟",
+      "points": "{count} 分",
+      "questions": "{count} 题"
    },
    "viewer": {
      "section": "分卷",
      "group": "大题",
      "score": "分值",
-      "scoreLabel": "分值：{{score}}",
+      "scoreLabel": "分值：{score}",
      "noQuestions": "暂无题目",
      "unknown": "未知"
    },
@@ -379,7 +379,7 @@
      "title": "试卷预览",
      "generating": "生成预览中...",
      "fullPreview": "完整试卷预览",
-      "summary": "{{count}} 题 · {{subject}} · {{grade}} · {{minutes}} 分钟 · {{total}} 分",
+      "summary": "{count} 题 · {subject} · {grade} · {minutes} 分钟 · {total} 分",
      "noPreview": "暂无预览内容",
      "confirmCreate": "确认并创建",
      "untitledQuestion": "未命名题目",
@@ -390,7 +390,7 @@
      "label": "选项",
      "addOption": "新增选项",
      "correct": "正确",
-      "markCorrectAria": "标记选项 {{id}} 为正确答案",
+      "markCorrectAria": "标记选项 {id} 为正确答案",
      "deleteOptionAria": "删除选项"
    },
    "editorExtensions": {
@@ -400,7 +400,7 @@
      "group": {
        "titlePlaceholder": "大题标题(如:一、选择题)",
        "instructionPlaceholder": "说明(如:每小题3分,共24分)—— 可留空,总分自动统计",
-        "statsSummary": "共 {{count}} 题 · {{score}} 分"
+        "statsSummary": "共 {count} 题 · {score} 分"
      },
      "question": {
        "typeSingleChoice": "单选",
@@ -416,7 +416,7 @@
        "levelVolume": "卷",
        "levelPart": "部分",
        "levelSubVolume": "分卷",
-        "statsSummary": "共 {{count}} 题 · {{score}} 分"
+        "statsSummary": "共 {count} 题 · {score} 分"
      }
    }
  },
@@ -430,7 +430,7 @@
      "emptyDescription": "您还没有创建任何作业。",
      "emptyFilteredDescription": "尝试清除筛选条件或调整关键词。",
      "clearFilters": "清除筛选",
-      "filterByClass": "按班级筛选：{{className}}",
+      "filterByClass": "按班级筛选：{className}",
      "columns": {
        "title": "标题",
        "status": "状态",
@@ -488,7 +488,7 @@
    },
    "take": {
      "questions": "题目",
-      "question": "第 {{index}} 题",
+      "question": "第 {index} 题",
      "points": "分",
      "startAssignment": "开始作答",
      "submitAssignment": "提交作业",
@@ -505,12 +505,12 @@
      "readyDescription": "点击上方\"开始作答\"按钮。点击\"保存答案\"将保存您的答案。",
      "startNow": "立即开始",
      "back": "返回",
-      "timedExam": "限时考试：{{minutes}} 分钟",
+      "timedExam": "限时考试：{minutes} 分钟",
      "timeRemaining": "剩余时间",
      "timeUpAutoSubmit": "时间到，正在自动提交...",
      "confirmSubmit": "确认提交",
      "confirmSubmitDescription": "所有题目已作答。提交后答案不可修改，确定要提交吗？",
-      "unansweredWarning": "您有 {{count}} 道题未作答。提交后答案不可修改，确定要提交吗？",
+      "unansweredWarning": "您有 {count} 道题未作答。提交后答案不可修改，确定要提交吗？",
      "cancel": "取消",
      "confirmSubmitAction": "确认提交",
      "submitSuccess": "已提交",
@@ -521,15 +521,15 @@
      "status": "状态",
      "dueDate": "截止时间",
      "overdue": "已逾期",
-      "hoursLeft": "还剩 {{hours}} 小时",
+      "hoursLeft": "还剩 {hours} 小时",
      "lessThanOneHour": "不足 1 小时",
      "attempts": "尝试次数",
-      "attemptsUsed": "已用 {{used}} / {{max}}",
-      "attemptsRemaining": "· 剩余 {{remaining}} 次",
+      "attemptsUsed": "已用 {used} / {max}",
+      "attemptsRemaining": "· 剩余 {remaining} 次",
      "description": "描述",
      "noDescription": "无描述。",
      "progress": "进度",
-      "jumpToQuestion": "跳转到第 {{index}} 题",
+      "jumpToQuestion": "跳转到第 {index} 题",
      "answered": "已作答",
      "unanswered": "未作答",
      "yourAnswer": "你的答案",
@@ -550,12 +550,12 @@
      "scanDescription": "在纸上作答后,拍照上传整卷答题图片",
      "selectImageFiles": "请选择图片文件",
      "uploadFailed": "上传失败",
-      "uploadSuccess": "已上传 {{count}} 张图片",
+      "uploadSuccess": "已上传 {count} 张图片",
      "deleteScan": "删除",
      "moveUp": "上移",
      "moveDown": "下移",
      "dragDropHint": "拖拽图片到此处,或点击选择文件",
-      "pageLabel": "第 {{page}} 页",
+      "pageLabel": "第 {page} 页",
      "scanDisabled": "已提交,无法修改答题图片"
    },
    "grade": {
@@ -589,7 +589,7 @@
      "scoreLabel": "分数",
      "addFeedback": "添加反馈",
      "hideFeedback": "隐藏反馈",
-      "feedbackPlaceholder": "为 {{name}} 添加反馈...",
+      "feedbackPlaceholder": "为 {name} 添加反馈...",
      "submitGrades": "提交成绩",
      "saving": "保存中...",
      "gradesSaved": "批改已保存",
@@ -600,7 +600,7 @@
      "next": "下一页",
      "gradesAutoSaveNote": "点击提交后成绩将自动保存。学生将在您提交后立即看到成绩和反馈。",
      "batchAutoGrade": "批量自动批改",
-      "batchSelected": "已选 {{count}} 份提交",
+      "batchSelected": "已选 {count} 份提交",
      "batchSelectAtLeastOne": "请至少选择一份提交",
      "batchFailed": "批量批改失败",
      "selectAll": "全选",
@@ -616,9 +616,9 @@
      "noScans": "暂无答题图片",
      "saveFailed": "保存失败",
      "scanFeedbackPlaceholder": "批改评语(可选)...",
-      "scoreOutOf": "/ {{max}} 分",
-      "questionsCount": "题目与批改({{count}} 题)",
-      "scanPagesCount": "学生答题图片({{count}} 页)"
+      "scoreOutOf": "/ {max} 分",
+      "questionsCount": "题目与批改({count} 题)",
+      "scanPagesCount": "学生答题图片({count} 页)"
    },
    "review": {
      "title": "复习",
@@ -700,15 +700,15 @@
      "questionPreview": "题目预览",
      "errorAnalysis": "错误分析",
      "errorRateOverview": "错误率概览",
-      "errorRateAriaLabel": "错误率 {{rate}}%",
+      "errorRateAriaLabel": "错误率 {rate}%",
      "question": "题目",
      "errors": "错误数",
      "errorRateLabel": "错误率",
-      "wrongAnswersWithCount": "错答 ({{count}})",
+      "wrongAnswersWithCount": "错答 ({count})",
      "wrongAnswers": "错答",
      "noWrongAnswers": "暂无错答记录。",
      "studentAnswer": "学生答案",
-      "studentCount": "{{count}} 名学生",
+      "studentCount": "{count} 名学生",
      "notAnswered": "未作答",
      "selectQuestionHint": "请从左侧选择题目",
      "selectQuestionHintDesc": "查看错误分析",
@@ -721,9 +721,9 @@
      "zoomIn": "放大",
      "rotate": "旋转",
      "fullscreen": "全屏",
-      "pageIndicator": "第 {{current}} / {{total}} 页",
-      "answerImageAlt": "答题图 第{{page}}页",
-      "thumbnailAlt": "缩略图 {{page}}"
+      "pageIndicator": "第 {current} / {total} 页",
+      "answerImageAlt": "答题图 第{page}页",
+      "thumbnailAlt": "缩略图 {page}"
    },
    "submissions": {
      "title": "作业提交",
@@ -744,26 +744,26 @@
    },
    "excellent": {
      "title": "优秀作业展示",
-      "description": "本作业中得分率达到 {{minPercentage}}% 及以上的优秀样例。",
+      "description": "本作业中得分率达到 {minPercentage}% 及以上的优秀样例。",
      "empty": "暂无符合条件的优秀作业。",
      "emptyHint": "完成批改后将自动汇总展示。",
      "loading": "加载优秀作业...",
      "loadFailed": "加载失败",
      "retry": "重试",
-      "rank": "第 {{rank}} 名",
+      "rank": "第 {rank} 名",
      "scoreLabel": "得分",
-      "scoreValue": "{{score}} / {{max}}",
-      "percentage": "{{value}}%",
+      "scoreValue": "{score} / {max}",
+      "percentage": "{value}%",
      "lateTag": "迟交",
      "viewDetail": "查看详情",
-      "submittedAt": "提交于 {{date}}",
+      "submittedAt": "提交于 {date}",
      "studentAnon": "同学"
    },
    "parentExam": {
      "examsTaken": "已参加考试",
      "averageScore": "平均分",
      "bestScore": "最高分",
-      "examResults": "{{name}} 的考试成绩",
+      "examResults": "{name} 的考试成绩",
      "examResultsDescription": "近期考试分数与表现趋势",
      "noResults": "暂无考试成绩",
      "noResultsHint": "考试成绩将在批改完成后显示。",
--- a/src/shared/i18n/messages/zh-CN/leave.json
+++ b/src/shared/i18n/messages/zh-CN/leave.json
@@ -1,12 +1,16 @@
 {
-  "title": "请假申请",
-  "title.parent": "在线请假",
-  "title.teacher": "请假审批",
-  "title.student": "我的请假",
-  "description": "为您的孩子提交请假申请。",
-  "description.parent": "为子女提交请假申请，班主任审批后自动同步考勤。",
-  "description.teacher": "查看并审批本班学生提交的请假申请，审批通过后自动将请假期间考勤标记为「请假」。",
-  "description.student": "提交本人请假申请，班主任审批后生效。",
+  "title": {
+    "default": "请假申请",
+    "parent": "在线请假",
+    "teacher": "请假审批",
+    "student": "我的请假"
+  },
+  "description": {
+    "default": "为您的孩子提交请假申请。",
+    "parent": "为子女提交请假申请，班主任审批后自动同步考勤。",
+    "teacher": "查看并审批本班学生提交的请假申请，审批通过后自动将请假期间考勤标记为「请假」。",
+    "student": "提交本人请假申请，班主任审批后生效。"
+  },
  "backToDashboard": "返回仪表盘",
  "onlineLeave": "在线请假申请",
  "comingSoon": "即将上线",
--- a/src/shared/i18n/messages/zh-CN/lesson-preparation.json
+++ b/src/shared/i18n/messages/zh-CN/lesson-preparation.json
@@ -27,7 +27,12 @@
    "unpublishPlanConfirm": "撤回后学生和家长将无法查看此课案，确认撤回？",
    "publishPlanSuccess": "课案已发布",
    "unpublishPlanSuccess": "课案已撤回",
-    "viewHomework": "查看"
+    "viewHomework": "查看",
+    "undo": "撤销",
+    "undoShortcut": "撤销 (Ctrl+Z)",
+    "redo": "重做",
+    "redoShortcut": "重做 (Ctrl+Shift+Z)",
+    "scheduleLesson": "安排课时"
  },
  "status": {
    "saving": "保存中...",
@@ -39,7 +44,15 @@
    "published": "已发布",
    "rejected": "已驳回",
    "archived": "已归档",
-    "publishedAsHomework": "已发布为作业"
+    "publishedAsHomework": "已发布为作业",
+    "retrySave": "重试保存",
+    "saveFailed": "保存失败",
+    "saveFailedHint": "请检查网络后重试，编辑内容已保留",
+    "recovered": "已恢复保存",
+    "offline": "网络已断开",
+    "offlineHint": "编辑内容会保留在本地，恢复网络后自动保存",
+    "offlineBadge": "离线",
+    "backOnline": "网络已恢复"
  },
  "blockType": {
    "objective": "教学目标",
@@ -130,7 +143,46 @@
    "textbookLabel": "教材",
    "chapterLabel": "课文",
    "selectNodeForAnchor": "选择要关联的节点",
-    "createNewNode": "创建新节点并关联"
+    "createNewNode": "创建新节点并关联",
+    "autoLayout": "自动布局",
+    "autoLayoutHint": "按流程关系自动排列节点",
+    "stageLabel": "阶段",
+    "stageNone": "未归类",
+    "stage": {
+      "import": "导入",
+      "new_teaching": "新授",
+      "consolidation": "巩固",
+      "summary": "总结"
+    },
+    "differentiationLabel": "差异化",
+    "differentiationNone": "无",
+    "differentiation": {
+      "basic": "基础",
+      "intermediate": "提高",
+      "advanced": "拓展"
+    },
+    "consistencyTitle": "教学评一致性",
+    "consistencyScore": "一致性分数：{score}",
+    "consistencyCoverage": "目标覆盖：{covered}/{total}",
+    "consistencyOpen": "一致性校验",
+    "consistencyClose": "关闭",
+    "consistencyNoIssues": "未发现一致性问题",
+    "consistencyObjectiveCount": "目标 {count}",
+    "consistencyExerciseCount": "评价 {count}"
+  },
+  "consistency": {
+    "title": "教学评一致性校验",
+    "score": "一致性分数：{score}",
+    "coverage": "目标覆盖：{covered}/{total}",
+    "noIssues": "未发现一致性问题",
+    "code": {
+      "noObjective": "缺少教学目标节点（建议添加 objective 节点）",
+      "noExercise": "缺少评价节点（建议添加 exercise 节点）",
+      "objectiveNotAssessed": "目标「{title}」未被任何评价覆盖",
+      "exerciseNoKnowledgePoint": "评价「{title}」未关联任何知识点",
+      "exerciseWithoutObjective": "评价「{title}」未关联任何教学目标",
+      "objectiveNoKnowledgePoint": "目标「{title}」未标注知识点"
+    }
  },
  "readonly": {
    "title": "查看课案",
@@ -160,6 +212,65 @@
    "title": "年级备课",
    "description": "查看本年级教师的备课"
  },
+  "library": {
+    "title": "校内课案库",
+    "description": "浏览本校教师分享的优秀课案",
+    "empty": "暂无可参考的课案",
+    "fork": "复制为我的课案",
+    "forkSuccess": "已复制到我的课案",
+    "byCreator": "作者：{creator}",
+    "noCreator": "未知作者"
+  },
+  "feedback": {
+    "title": "AI 教学反馈",
+    "open": "AI 反馈",
+    "loading": "AI 正在分析课案...",
+    "loadFailed": "AI 反馈生成失败，请稍后重试",
+    "empty": "未生成反馈建议",
+    "summary": "整体评估",
+    "score": "评分",
+    "category": {
+      "strengths": "优点",
+      "improvements": "改进建议",
+      "alignment": "教学评一致性",
+      "differentiation": "差异化建议"
+    }
+  },
+  "aiDifferentiation": {
+    "title": "AI 差异化与课标核对",
+    "open": "AI 差异化",
+    "loading": "AI 正在分析...",
+    "loadFailed": "AI 分析失败，请稍后重试",
+    "empty": "未生成结果",
+    "noKnowledgePoints": "未提供知识点列表，无法进行课标核对",
+    "covered": "已覆盖 {count} 项",
+    "missed": "未覆盖 {count} 项",
+    "tabs": {
+      "differentiation": "差异化建议",
+      "curriculum": "课标核对",
+      "assessment": "可解释评估"
+    },
+    "level": {
+      "basic": "基础层",
+      "intermediate": "提高层",
+      "advanced": "拓展层"
+    }
+  },
+  "heatmap": {
+    "title": "课标覆盖热力图",
+    "description": "查看您所有课案对教材知识点的覆盖情况",
+    "totalKps": "知识点总数",
+    "coveredKps": "已覆盖",
+    "coverageRate": "覆盖率",
+    "blindSpotTitle": "{count} 个教学盲点",
+    "andMore": " 等",
+    "unknownChapter": "未知章节",
+    "chapterCoverage": "{covered}/{total}（{rate}%）",
+    "notCovered": "未覆盖",
+    "planCount": "{count} 个课案",
+    "selectTextbook": "请选择教材查看热力图",
+    "noData": "该教材暂无知识点数据"
+  },
  "picker": {
    "textbookLabel": "选择教材",
    "chapterLabel": "选择课文",
@@ -172,7 +283,11 @@
    "noChapters": "该教材暂无章节",
    "selectedChapter": "已选课文：{chapter}",
    "skeletonHint": "将自动生成以课文正文为核心的备课骨架（含 10 个教学节点）",
-    "errorTextbookChapterRequired": "请选择教材和课文"
+    "errorTextbookChapterRequired": "请选择教材和课文",
+    "searchTextbookPlaceholder": "搜索教材（标题/学科/年级）...",
+    "searchTextbookLabel": "搜索教材",
+    "recentSection": "最近使用",
+    "searchEmpty": "无匹配教材"
  },
  "filters": {
    "searchPlaceholder": "搜索标题...",
@@ -203,6 +318,25 @@
    "autoLabel": "自动版本",
    "revertLabel": "回退到 v{versionNo}"
  },
+  "diff": {
+    "summary": "新增 {added} · 删除 {removed} · 修改 {modified}",
+    "comparing": "对比 v{version} 与当前",
+    "noChanges": "两个版本内容一致，无差异",
+    "unchangedCount": "{count} 个节点未变更",
+    "added": "新增",
+    "removed": "删除",
+    "modified": "修改",
+    "unchanged": "未变",
+    "changedFields": "变更字段",
+    "compareWithCurrent": "对比当前",
+    "back": "返回",
+    "field": {
+      "title": "标题",
+      "stage": "阶段",
+      "differentiation": "差异化",
+      "data": "内容"
+    }
+  },
  "knowledgePoint": {
    "title": "选择知识点",
    "empty": "未找到知识点，请先在教材模块创建",
@@ -232,6 +366,10 @@
    "questionId": "题目 {id}",
    "type": {
      "single_choice": "单选题",
+      "multiple_choice": "多选题",
+      "true_false": "判断题",
+      "short_answer": "简答题",
+      "essay": "论述题",
      "text": "填空题",
      "judgment": "判断题"
    },
@@ -246,7 +384,8 @@
    "difficultyLabel": "难度",
    "knowledgePointLabel": "知识点",
    "stemRequired": "请输入题干",
-    "addBtn": "添加"
+    "addBtn": "添加",
+    "noDetail": "（无详细内容）"
  },
  "exercise": {
    "purposeLabel": "用途",
@@ -271,7 +410,27 @@
    "planNotFound": "课案不存在",
    "noPermission": "无权发布",
    "homeworkTitle": "{title} - 作业",
-    "homeworkDescription": "来自课案"
+    "homeworkDescription": "来自课案",
+    "step1": "选择班级",
+    "step2": "预览作业",
+    "step3": "确认发布",
+    "stepIndicator": "第 {current}/{total} 步：{label}",
+    "next": "下一步",
+    "back": "上一步",
+    "previewClassCount": "下发班级数",
+    "previewQuestionCount": "题目数量",
+    "previewTotalScore": "总分",
+    "previewQuestionList": "题目列表",
+    "previewSource": "来源：{source}",
+    "previewNoStem": "（无题干预览）",
+    "previewScore": "{score} 分",
+    "confirmTitle": "请确认发布信息",
+    "confirmClassCount": "下发班级数：{count}",
+    "confirmQuestionCount": "题目数量：{count}",
+    "confirmTotalScore": "总分：{score}",
+    "confirmAvailableAt": "开始时间：{time}",
+    "confirmDueAt": "截止时间：{time}",
+    "confirmWarning": "发布后学生和家长将立即收到作业，请仔细核对。"
  },
  "textStudy": {
    "sourceTextLabel": "课文原文",
@@ -336,7 +495,12 @@
      "text": "文字式"
    },
    "contentLabel": "板书内容",
-    "contentPlaceholder": "输入板书内容..."
+    "contentPlaceholder": "输入板书内容...",
+    "editMode": "编辑",
+    "previewMode": "预览",
+    "editHint": "提示：使用 2 个空格或 1 个 Tab 缩进表示层级",
+    "previewEmpty": "暂无内容，请切换到编辑模式输入",
+    "untitled": "中心主题"
  },
  "import": {
    "hint": "设计课堂导入环节",
@@ -365,6 +529,45 @@
  "richText": {
    "placeholder": "输入内容..."
  },
+  "export": {
+    "title": "导出/打印",
+    "button": "导出",
+    "print": "打印",
+    "variantDetailed": "详细版",
+    "variantConcise": "简洁版",
+    "teacher": "教师",
+    "class": "班级",
+    "totalDuration": "教学时长 {count} 分钟",
+    "lastSavedAt": "最后保存",
+    "empty": "课案无内容",
+    "emptySection": "（无内容）",
+    "footerHint": "教案导出 - {variant}"
+  },
+  "attachment": {
+    "title": "素材库",
+    "add": "上传文件",
+    "insert": "插入附件",
+    "libraryLabel": "本课案已上传附件",
+    "empty": "暂无附件，请先上传",
+    "delete": "删除",
+    "remove": "移除",
+    "embeddedCount": "已嵌入 {count} 个附件",
+    "createSuccess": "附件已添加",
+    "deleteSuccess": "附件已删除",
+    "uploadFailed": "上传失败",
+    "uploadSuccess": "上传成功",
+    "type": {
+      "reference": "参考资料",
+      "material": "教学素材",
+      "supplementary": "补充资源"
+    },
+    "kind": {
+      "image": "图片",
+      "audio": "音频",
+      "video": "视频",
+      "file": "文件"
+    }
+  },
  "error": {
    "getList": "获取课案列表失败",
    "getOne": "获取课案失败",
@@ -394,7 +597,12 @@
    "titleTooLong": "标题不能超过 255 个字符",
    "templateRequired": "请选择模板",
    "invalidDate": "日期格式无效",
-    "classRequired": "至少选择一个班级"
+    "classRequired": "至少选择一个班级",
+    "invalidInput": "输入数据无效",
+    "unauthorized": "未授权操作",
+    "planIdRequired": "课案 ID 必填",
+    "classIdRequired": "班级 ID 必填",
+    "dateRequired": "日期必填"
  },
  "confirm": {
    "archive": "确认归档此课案？",
@@ -506,22 +714,6 @@
    "updateSuccess": "已更新",
    "deleteSuccess": "已删除"
  },
-  "attachment": {
-    "title": "资源附件",
-    "add": "添加附件",
-    "empty": "暂无附件",
-    "type": {
-      "reference": "参考资料",
-      "material": "教学素材",
-      "supplementary": "补充材料"
-    },
-    "nameLabel": "名称",
-    "urlLabel": "链接",
-    "typeLabel": "类型",
-    "createSuccess": "附件已添加",
-    "deleteSuccess": "附件已删除",
-    "updateSuccess": "附件已更新"
-  },
  "substitute": {
    "title": "代课教师",
    "add": "添加代课",
@@ -540,6 +732,24 @@
    "deleteSuccess": "代课已删除",
    "cancelConfirm": "确认取消此代课安排？"
  },
+  "schedule": {
+    "title": "安排课时",
+    "boundList": "已绑定课时",
+    "empty": "暂无绑定课时",
+    "addNew": "添加新绑定",
+    "classLabel": "班级",
+    "dateLabel": "日期",
+    "periodLabel": "节次",
+    "durationLabel": "时长（分钟）",
+    "period": "第{n}节",
+    "duration": "{n}分钟",
+    "add": "添加",
+    "delete": "删除",
+    "selectClass": "请选择班级",
+    "selectDate": "请选择日期",
+    "addSuccess": "已添加课时绑定",
+    "deleteSuccess": "已删除课时绑定"
+  },
  "evaluation": {
    "title": "AI 课案评估",
    "run": "开始评估",
--- a/src/shared/i18n/messages/zh-CN/notifications.json
+++ b/src/shared/i18n/messages/zh-CN/notifications.json
@@ -49,6 +49,8 @@
  "error": {
    "loadFailed": "通知加载失败",
    "loadFailedDesc": "抱歉，加载通知时发生了意外错误。请稍后重试。",
+    "boundaryTitle": "通知区块加载失败",
+    "boundaryDescription": "加载通知数据时发生错误，请重试。",
    "retry": "重试"
  }
 }
--- a/src/shared/i18n/messages/zh-CN/rbac.json
+++ b/src/shared/i18n/messages/zh-CN/rbac.json
@@ -87,211 +87,211 @@
    },
    "exam": {
      "create": "创建考试",
-      "create.desc": "允许创建新考试",
+      "createDesc": "允许创建新考试",
      "read": "查看考试",
-      "read.desc": "允许查看考试列表和详情",
+      "readDesc": "允许查看考试列表和详情",
      "update": "更新考试",
-      "update.desc": "允许修改考试信息",
+      "updateDesc": "允许修改考试信息",
      "delete": "删除考试",
-      "delete.desc": "允许删除考试",
+      "deleteDesc": "允许删除考试",
      "duplicate": "复制考试",
-      "duplicate.desc": "允许复制现有考试",
+      "duplicateDesc": "允许复制现有考试",
      "publish": "发布考试",
-      "publish.desc": "允许发布考试供学生作答",
+      "publishDesc": "允许发布考试供学生作答",
      "ai_generate": "AI 生成考试",
-      "ai_generate.desc": "允许使用 AI 生成考试内容",
+      "ai_generateDesc": "允许使用 AI 生成考试内容",
      "submit": "提交考试",
-      "submit.desc": "允许提交考试答卷",
+      "submitDesc": "允许提交考试答卷",
      "proctor": "监考",
-      "proctor.desc": "允许执行监考操作",
+      "proctorDesc": "允许执行监考操作",
      "proctor_read": "查看监考",
-      "proctor_read.desc": "允许查看监考信息"
+      "proctor_readDesc": "允许查看监考信息"
    },
    "homework": {
      "create": "创建作业",
-      "create.desc": "允许创建新作业",
+      "createDesc": "允许创建新作业",
      "grade": "批改作业",
-      "grade.desc": "允许批改学生作业",
+      "gradeDesc": "允许批改学生作业",
      "submit": "提交作业",
-      "submit.desc": "允许提交作业"
+      "submitDesc": "允许提交作业"
    },
    "question": {
      "create": "创建题目",
-      "create.desc": "允许创建新题目",
+      "createDesc": "允许创建新题目",
      "read": "查看题目",
-      "read.desc": "允许查看题目列表和详情",
+      "readDesc": "允许查看题目列表和详情",
      "update": "更新题目",
-      "update.desc": "允许修改题目信息",
+      "updateDesc": "允许修改题目信息",
      "delete": "删除题目",
-      "delete.desc": "允许删除题目"
+      "deleteDesc": "允许删除题目"
    },
    "textbook": {
      "create": "创建教材",
-      "create.desc": "允许创建新教材",
+      "createDesc": "允许创建新教材",
      "read": "查看教材",
-      "read.desc": "允许查看教材列表和详情",
+      "readDesc": "允许查看教材列表和详情",
      "update": "更新教材",
-      "update.desc": "允许修改教材信息",
+      "updateDesc": "允许修改教材信息",
      "delete": "删除教材",
-      "delete.desc": "允许删除教材"
+      "deleteDesc": "允许删除教材"
    },
    "class": {
      "create": "创建班级",
-      "create.desc": "允许创建新班级",
+      "createDesc": "允许创建新班级",
      "read": "查看班级",
-      "read.desc": "允许查看班级列表和详情",
+      "readDesc": "允许查看班级列表和详情",
      "update": "更新班级",
-      "update.desc": "允许修改班级信息",
+      "updateDesc": "允许修改班级信息",
      "delete": "删除班级",
-      "delete.desc": "允许删除班级",
+      "deleteDesc": "允许删除班级",
      "enroll": "学生入班",
-      "enroll.desc": "允许管理班级学生入班",
+      "enrollDesc": "允许管理班级学生入班",
      "schedule": "班级排课",
-      "schedule.desc": "允许管理班级课程表"
+      "scheduleDesc": "允许管理班级课程表"
    },
    "school": {
      "manage": "学校管理",
-      "manage.desc": "允许管理学校信息",
+      "manageDesc": "允许管理学校信息",
      "grade_manage": "年级管理",
-      "grade_manage.desc": "允许管理年级信息",
+      "grade_manageDesc": "允许管理年级信息",
      "user_manage": "用户管理",
-      "user_manage.desc": "允许管理系统用户"
+      "user_manageDesc": "允许管理系统用户"
    },
    "user": {
      "profile_update": "更新个人资料",
-      "profile_update.desc": "允许更新用户个人资料"
+      "profile_updateDesc": "允许更新用户个人资料"
    },
    "ai": {
      "chat": "AI 对话",
-      "chat.desc": "允许使用 AI 对话功能",
+      "chatDesc": "允许使用 AI 对话功能",
      "configure": "AI 配置",
-      "configure.desc": "允许配置 AI 参数"
+      "configureDesc": "允许配置 AI 参数"
    },
    "settings": {
      "admin": "系统设置",
-      "admin.desc": "允许管理系统设置"
+      "adminDesc": "允许管理系统设置"
    },
    "audit": {
      "read": "查看审计日志",
-      "read.desc": "允许查看系统审计日志"
+      "readDesc": "允许查看系统审计日志"
    },
    "announcement": {
      "manage": "管理公告",
-      "manage.desc": "允许创建、修改和删除公告",
+      "manageDesc": "允许创建、修改和删除公告",
      "read": "查看公告",
-      "read.desc": "允许查看公告内容"
+      "readDesc": "允许查看公告内容"
    },
    "grade_record": {
      "manage": "管理成绩",
-      "manage.desc": "允许录入和修改成绩",
+      "manageDesc": "允许录入和修改成绩",
      "read": "查看成绩",
-      "read.desc": "允许查看成绩记录"
+      "readDesc": "允许查看成绩记录"
    },
    "file": {
      "upload": "上传文件",
-      "upload.desc": "允许上传文件",
+      "uploadDesc": "允许上传文件",
      "read": "查看文件",
-      "read.desc": "允许查看文件",
+      "readDesc": "允许查看文件",
      "delete": "删除文件",
-      "delete.desc": "允许删除文件"
+      "deleteDesc": "允许删除文件"
    },
    "course_plan": {
      "manage": "管理课程计划",
-      "manage.desc": "允许创建、修改和删除课程计划",
+      "manageDesc": "允许创建、修改和删除课程计划",
      "read": "查看课程计划",
-      "read.desc": "允许查看课程计划"
+      "readDesc": "允许查看课程计划"
    },
    "attendance": {
      "manage": "管理考勤",
-      "manage.desc": "允许录入和修改考勤记录",
+      "manageDesc": "允许录入和修改考勤记录",
      "read": "查看考勤",
-      "read.desc": "允许查看考勤记录"
+      "readDesc": "允许查看考勤记录"
    },
    "leave_request": {
      "create": "提交请假申请",
-      "create.desc": "允许家长/学生提交在线请假申请",
+      "createDesc": "允许家长/学生提交在线请假申请",
      "read": "查看请假申请",
-      "read.desc": "允许查看本人/子女/所辖班级的请假申请",
+      "readDesc": "允许查看本人/子女/所辖班级的请假申请",
      "review": "审批请假申请",
-      "review.desc": "允许班主任/管理员审批请假申请并自动同步考勤"
+      "reviewDesc": "允许班主任/管理员审批请假申请并自动同步考勤"
    },
    "message": {
      "send": "发送消息",
-      "send.desc": "允许发送消息",
+      "sendDesc": "允许发送消息",
      "read": "查看消息",
-      "read.desc": "允许查看消息",
+      "readDesc": "允许查看消息",
      "delete": "删除消息",
-      "delete.desc": "允许删除消息"
+      "deleteDesc": "允许删除消息"
    },
    "scheduling": {
      "auto": "自动排课",
-      "auto.desc": "允许执行自动排课",
+      "autoDesc": "允许执行自动排课",
      "adjust": "调整排课",
-      "adjust.desc": "允许手动调整课程表"
+      "adjustDesc": "允许手动调整课程表"
    },
    "elective": {
      "manage": "管理选课",
-      "manage.desc": "允许管理选课设置",
+      "manageDesc": "允许管理选课设置",
      "read": "查看选课",
-      "read.desc": "允许查看选课信息",
+      "readDesc": "允许查看选课信息",
      "select": "选课",
-      "select.desc": "允许学生进行选课"
+      "selectDesc": "允许学生进行选课"
    },
    "diagnostic": {
      "manage": "管理诊断",
-      "manage.desc": "允许管理诊断测试",
+      "manageDesc": "允许管理诊断测试",
      "read": "查看诊断",
-      "read.desc": "允许查看诊断结果"
+      "readDesc": "允许查看诊断结果"
    },
    "lesson_plan": {
      "create": "创建教案",
-      "create.desc": "允许创建新教案",
+      "createDesc": "允许创建新教案",
      "read": "查看教案",
-      "read.desc": "允许查看教案列表和详情",
+      "readDesc": "允许查看教案列表和详情",
      "update": "更新教案",
-      "update.desc": "允许修改教案信息",
+      "updateDesc": "允许修改教案信息",
      "delete": "删除教案",
-      "delete.desc": "允许删除教案",
+      "deleteDesc": "允许删除教案",
      "publish": "发布教案",
-      "publish.desc": "允许发布教案"
+      "publishDesc": "允许发布教案"
    },
    "dashboard": {
      "admin_read": "查看管理员仪表盘",
-      "admin_read.desc": "允许查看管理员仪表盘",
+      "admin_readDesc": "允许查看管理员仪表盘",
      "teacher_read": "查看教师仪表盘",
-      "teacher_read.desc": "允许查看教师仪表盘",
+      "teacher_readDesc": "允许查看教师仪表盘",
      "student_read": "查看学生仪表盘",
-      "student_read.desc": "允许查看学生仪表盘",
+      "student_readDesc": "允许查看学生仪表盘",
      "parent_read": "查看家长仪表盘",
-      "parent_read.desc": "允许查看家长仪表盘"
+      "parent_readDesc": "允许查看家长仪表盘"
    },
    "error_book": {
      "read": "查看错题本",
-      "read.desc": "允许查看错题本",
+      "readDesc": "允许查看错题本",
      "manage": "管理错题本",
-      "manage.desc": "允许管理错题记录",
+      "manageDesc": "允许管理错题记录",
      "analytics_read": "查看错题分析",
-      "analytics_read.desc": "允许查看错题本分析数据"
+      "analytics_readDesc": "允许查看错题本分析数据"
    },
    "adaptive_practice": {
      "read": "查看专项练习",
-      "read.desc": "允许查看专项练习",
+      "readDesc": "允许查看专项练习",
      "manage": "管理专项练习",
-      "manage.desc": "允许管理专项练习"
+      "manageDesc": "允许管理专项练习"
    },
    "rbac": {
      "role_create": "创建角色",
-      "role_create.desc": "允许创建新角色",
+      "role_createDesc": "允许创建新角色",
      "role_read": "查看角色",
-      "role_read.desc": "允许查看角色列表和详情",
+      "role_readDesc": "允许查看角色列表和详情",
      "role_update": "更新角色",
-      "role_update.desc": "允许修改角色信息",
+      "role_updateDesc": "允许修改角色信息",
      "role_delete": "删除角色",
-      "role_delete.desc": "允许删除角色",
+      "role_deleteDesc": "允许删除角色",
      "role_assign": "分配角色",
-      "role_assign.desc": "允许为用户分配角色",
+      "role_assignDesc": "允许为用户分配角色",
      "permission_read": "查看权限",
-      "permission_read.desc": "允许查看权限目录"
+      "permission_readDesc": "允许查看权限目录"
    }
  },
  "actions": {
--- a/src/shared/i18n/messages/zh-CN/student.json
+++ b/src/shared/i18n/messages/zh-CN/student.json
@@ -77,6 +77,12 @@
    "description": "发生了意外错误，请稍后重试。",
    "retry": "重试"
  },
+  "errors": {
+    "unexpected": "发生未知错误"
+  },
+  "actions": {
+    "retry": "重试"
+  },
  "classDetail": {
    "backToCourses": "返回课程",
    "grade": "年级 {grade}",
--- a/src/shared/i18n/messages/zh-CN/textbooks.json
+++ b/src/shared/i18n/messages/zh-CN/textbooks.json
@@ -180,6 +180,12 @@
    "loadFailedDesc": "加载教材内容时发生错误，请重试。",
    "retry": "重试"
  },
+  "errors": {
+    "unexpected": "发生未知错误"
+  },
+  "actions": {
+    "retry": "重试"
+  },
  "action": {
    "createSuccess": "教材创建成功。",
    "createFailed": "创建教材失败。",
@@ -224,6 +230,10 @@
    "noClassMasteryPermission": "无权查看班级掌握度数据"
  },
  "graph": {
+    "layout": {
+      "hierarchical": "分层布局",
+      "force": "力导向图"
+    },
    "viewMode": {
      "structure": "结构图",
      "studentMastery": "个人掌握度",
--- a/src/shared/lib/rate-limit/index.ts
+++ b/src/shared/lib/rate-limit/index.ts
@@ -19,14 +19,14 @@ export type { RateLimiter, RateLimitParams, RateLimitResult } from "./types"
 export { RATE_LIMIT_RULES, rateLimitHeaders, rateLimitKey } from "./rules"

 import { MemoryRateLimiter } from "./memory-limiter"
-import { RedisRateLimiter } from "./redis-limiter"

 /**
 * 单例限流器实例（按 env 选择实现，进程级复用）。
 *
- * RedisRateLimiter 类本身在 import 时不会加载 @upstash/* 依赖——
- * 重依赖通过类方法内的 `await import(...)` 懒加载，
- * 仅当 `RATE_LIMIT_DRIVER=redis` 且实际调用 `limit()` 时才加载。
+ * Redis 实现通过动态 `import("./redis-limiter")` 按需加载，
+ * 仅当 `RATE_LIMIT_DRIVER=redis` 时才会拉入 `redis-limiter.ts` 模块及其
+ * `@upstash/ratelimit` / `@upstash/redis` 依赖。默认内存模式下该模块不进入
+ * 模块图，避免可选依赖缺失导致编译失败。
 */
 let singleton: RateLimiter | null = null

@@ -34,13 +34,16 @@ let singleton: RateLimiter | null = null
 * 获取当前进程的限流器实例。
 *
 * - 默认返回内存实现
- * - 当 `RATE_LIMIT_DRIVER=redis` 时返回 Redis 实现
- * - Redis 实现懒加载所需依赖，未安装 @upstash/ratelimit/redis 时首次调用抛错
+ * - 当 `RATE_LIMIT_DRIVER=redis` 时动态加载 Redis 实现
+ * - Redis 实现懒加载 @upstash/* 依赖，未安装时首次调用抛错
+ *
+ * 返回 `Promise<RateLimiter>`：Redis 实现需动态 import 模块，故为异步。
 */
-export function getRateLimiter(): RateLimiter {
+export async function getRateLimiter(): Promise<RateLimiter> {
  if (singleton) return singleton

  if (env.RATE_LIMIT_DRIVER === "redis") {
+    const { RedisRateLimiter } = await import("./redis-limiter")
    singleton = new RedisRateLimiter()
  } else {
    singleton = new MemoryRateLimiter()
@@ -56,7 +59,7 @@ export function getRateLimiter(): RateLimiter {
 * **变更**：返回 `Promise<RateLimitResult>`，调用方需 `await`。
 */
 export function rateLimit(params: RateLimitParams): Promise<RateLimitResult> {
-  return getRateLimiter().limit(params)
+  return getRateLimiter().then((limiter) => limiter.limit(params))
 }

 /**
@@ -67,5 +70,5 @@ export function rateLimit(params: RateLimitParams): Promise<RateLimitResult> {
 * **变更**：返回 `Promise<void>`，调用方需 `await`。
 */
 export function resetRateLimit(key: string): Promise<void> {
-  return getRateLimiter().reset(key)
+  return getRateLimiter().then((limiter) => limiter.reset(key))
 }
--- a/src/shared/lib/rate-limit/redis-limiter.ts
+++ b/src/shared/lib/rate-limit/redis-limiter.ts
@@ -94,7 +94,8 @@ export class RedisRateLimiter implements RateLimiter {
  /** 懒加载 @upstash/redis 的 Redis 客户端 */
  private async getRedisClient(): Promise<unknown> {
    if (this.redisClient) return this.redisClient
-    const { Redis } = await import("@upstash/redis")
+    // webpackIgnore: 让 @upstash/redis 成为运行时可选依赖，未启用 redis 驱动时不要求安装
+    const { Redis } = await import(/* webpackIgnore: true */ "@upstash/redis")
    this.redisClient = new Redis({
      url: env.UPSTASH_REDIS_REST_URL!,
      token: env.UPSTASH_REDIS_REST_TOKEN!,
@@ -106,7 +107,8 @@ export class RedisRateLimiter implements RateLimiter {
  private async getRatelimitCtor(): Promise<UpstashRatelimitCtor> {
    if (this.ratelimitCtorPromise) return this.ratelimitCtorPromise
    this.ratelimitCtorPromise = (async () => {
-      const mod = await import("@upstash/ratelimit")
+      // webpackIgnore: 让 @upstash/ratelimit 成为运行时可选依赖，未启用 redis 驱动时不要求安装
+      const mod = await import(/* webpackIgnore: true */ "@upstash/ratelimit")
      return mod.Ratelimit as unknown as UpstashRatelimitCtor
    })()
    return this.ratelimitCtorPromise