feat: add reports schema with Drizzle ORM integration

backend/src/database/schemas/reports.ts

@@ -0,0 +1,33 @@
+import { pgTable, varchar, timestamp, uuid, pgEnum, index, text } from 'drizzle-orm/pg-core';
+import { users } from './users';
+import { contents } from './content';
+import { tags } from './tags';
+
+export const reportStatus = pgEnum('report_status', ['pending', 'reviewed', 'resolved', 'dismissed']);
+export const reportReason = pgEnum('report_reason', ['inappropriate', 'spam', 'copyright', 'other']);
+
+export const reports = pgTable('reports', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  reporterId: uuid('reporter_id').notNull().references(() => users.uuid, { onDelete: 'cascade' }),
+  
+  // Le signalement peut porter sur un contenu OU un tag
+  contentId: uuid('content_id').references(() => contents.id, { onDelete: 'cascade' }),
+  tagId: uuid('tag_id').references(() => tags.id, { onDelete: 'cascade' }),
+  
+  reason: reportReason('reason').notNull(),
+  description: text('description'),
+  status: reportStatus('status').default('pending').notNull(),
+  
+  expiresAt: timestamp('expires_at', { withTimezone: true }), // Pour purge automatique RGPD
+  createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
+  updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),
+}, (table) => ({
+  reporterIdx: index('reports_reporter_id_idx').on(table.reporterId),
+  contentIdx: index('reports_content_id_idx').on(table.contentId),
+  tagIdx: index('reports_tag_id_idx').on(table.tagId),
+  statusIdx: index('reports_status_idx').on(table.status),
+  expiresAtIdx: index('reports_expires_at_idx').on(table.expiresAt),
+}));
+
+export type ReportInDb = typeof reports.$inferSelect;
+export type NewReportInDb = typeof reports.$inferInsert;