fix: admin controller audit — merge duplicate controllers, add Post import, validate params

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/modules/reading-event/admin-reading.controller.ts

@@ -1,10 +1,12 @@
-import { Controller, Get, Param, Query } from '@nestjs/common';
+import { Controller, Get, Param, Post, Query, UseGuards } from '@nestjs/common';
 import { PrismaService } from '../../infrastructure/database/prisma.service';
 
 @Controller('admin/learning')
 export class AdminReadingController {
   constructor(private readonly prisma: PrismaService) {}
 
+  // ── Dashboard ──
+
   @Get('dashboard')
   async getDashboard() {
     const now = new Date();
@@ -35,7 +37,6 @@ export class AdminReadingController {
       materials: { totalRead, totalMarkedRead },
     };
   }
-}
 
   // ── ReadingEvent ──
 
@@ -169,16 +170,12 @@ export class AdminReadingController {
   async getRecord(@Param('id') id: string) {
     return this.prisma.learningRecord.findUnique({ where: { id } });
   }
-}
 
-// ── Diagnosis ──
+  // ── Diagnosis ──
-
-@Controller('admin/learning')
-export class AdminDiagnosticController {
-  constructor(private readonly prisma: PrismaService) {}
 
   @Get('user-timeline')
-  async userTimeline(@Query('userId') userId: string) {
+  async userTimeline(@Query('userId') userId?: string) {
+    if (!userId) return { error: 'userId is required' };
     const events = await this.prisma.readingEvent.findMany({
       where: { userId }, orderBy: { clientTimestampMs: 'asc' }, take: 200,
       select: { eventType: true, materialId: true, clientTimestampMs: true, activeSecondsDelta: true },
@@ -187,7 +184,8 @@ export class AdminDiagnosticController {
   }
 
   @Get('user-diagnose')
-  async userDiagnose(@Query('userId') userId: string) {
+  async userDiagnose(@Query('userId') userId?: string) {
+    if (!userId) return { error: 'userId is required' };
     const [sessions, progressList, dailyActivities, records] = await Promise.all([
       this.prisma.learningSession.findMany({ where: { userId }, orderBy: { startedAt: 'desc' }, take: 50 }),
       this.prisma.materialReadingProgress.findMany({ where: { userId } }),
@@ -198,7 +196,8 @@ export class AdminDiagnosticController {
   }
 
   @Get('material-diagnose')
-  async materialDiagnose(@Query('materialId') materialId: string) {
+  async materialDiagnose(@Query('materialId') materialId?: string) {
+    if (!materialId) return { error: 'materialId is required' };
     const [events, progress] = await Promise.all([
       this.prisma.readingEvent.findMany({ where: { materialId }, orderBy: { clientTimestampMs: 'desc' }, take: 100 }),
       this.prisma.materialReadingProgress.findMany({ where: { materialId } }),
@@ -230,13 +229,8 @@ export class AdminDiagnosticController {
     ]);
     return { items, total, page, limit };
   }
-}
 
-// ── Operations ──
+  // ── Operations ──
-
-@Controller('admin/learning')
-export class AdminOperationsController {
-  constructor(private readonly prisma: PrismaService) {}
 
   @Post('recalculate')
   async recalculate() {
@@ -249,14 +243,17 @@ export class AdminOperationsController {
     if (startDate) where.createdAt = { gte: new Date(startDate) };
     if (endDate) where.createdAt = { ...where.createdAt, lte: new Date(endDate) };
 
-    let data: any[] = [];
+    const take = 5000;
     switch (type) {
-      case 'events': data = await this.prisma.readingEvent.findMany({ where, take: 10000 }); break;
+      case 'events': {
-      case 'sessions': data = await this.prisma.learningSession.findMany({ where, take: 10000 }); break;
+        const data = await this.prisma.readingEvent.findMany({ where, take, orderBy: { createdAt: 'desc' } });
+        return { type, count: data.length, data };
+      }
+      case 'sessions': {
+        const data = await this.prisma.learningSession.findMany({ where, take, orderBy: { startedAt: 'desc' } });
+        return { type, count: data.length, data };
+      }
       default: return { error: 'Invalid export type. Use: events, sessions' };
     }
-    return { type, count: data.length, data };
   }
 }
-EOF
-echo "Admin diagnostic + operations endpoints added"