feat(core-edu): admin/dashboard/leave-requests 模块 + gRPC + 状态机测试 + nextstep 文档

scripts/core-edu-init.sql

@@ -263,3 +263,55 @@ CREATE TABLE IF NOT EXISTS classes (
   INDEX idx_classes_grade_id (grade_id),
   INDEX idx_classes_head_teacher (head_teacher_id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- ============================================================================
+-- P3.13 新增表：考试草稿、考试违规、请假申请
+-- ============================================================================
+
+-- 考试草稿表（学生考试过程中的自动保存）
+CREATE TABLE IF NOT EXISTS core_edu_exam_drafts (
+  id CHAR(36) NOT NULL PRIMARY KEY,
+  exam_id CHAR(36) NOT NULL,
+  student_id CHAR(36) NOT NULL,
+  answers JSON,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  UNIQUE KEY uniq_exam_student_draft (exam_id, student_id),
+  INDEX idx_exam_drafts_student (student_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 考试违规表（防作弊事件记录）
+CREATE TABLE IF NOT EXISTS core_edu_exam_violations (
+  id CHAR(36) NOT NULL PRIMARY KEY,
+  exam_id CHAR(36) NOT NULL,
+  student_id CHAR(36) NOT NULL,
+  violation_type VARCHAR(40) NOT NULL,
+  detail TEXT,
+  severity INT NOT NULL DEFAULT 1,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  INDEX idx_exam_violations_exam (exam_id),
+  INDEX idx_exam_violations_student (student_id),
+  INDEX idx_exam_violations_type (violation_type)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 请假申请表
+CREATE TABLE IF NOT EXISTS core_edu_leave_requests (
+  id CHAR(36) NOT NULL PRIMARY KEY,
+  student_id CHAR(36) NOT NULL,
+  class_id CHAR(36) NOT NULL,
+  leave_type VARCHAR(20) NOT NULL,
+  start_date DATE NOT NULL,
+  end_date DATE NOT NULL,
+  reason TEXT NOT NULL,
+  status VARCHAR(20) NOT NULL DEFAULT 'pending',
+  submitted_by CHAR(36) NOT NULL,
+  reviewed_by CHAR(36),
+  review_comment TEXT,
+  school_id CHAR(36) NOT NULL,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX idx_leave_requests_student (student_id),
+  INDEX idx_leave_requests_class (class_id),
+  INDEX idx_leave_requests_status (status),
+  INDEX idx_leave_requests_school (school_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;