feat(conversation): add TypeORM migration scripts and data-source config

- Add migration:run, migration:revert, migration:generate scripts
- Create data-source.ts for TypeORM CLI
- Add dotenv, ts-node, tsconfig-paths dependencies

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/services/conversation-service/package.json

@@ -11,7 +11,11 @@
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\"",
     "test": "jest",
     "test:watch": "jest --watch",
-    "test:cov": "jest --coverage"
+    "test:cov": "jest --coverage",
+    "typeorm": "typeorm-ts-node-commonjs",
+    "migration:run": "npm run typeorm migration:run -- -d src/data-source.ts",
+    "migration:revert": "npm run typeorm migration:revert -- -d src/data-source.ts",
+    "migration:generate": "npm run typeorm migration:generate -- -d src/data-source.ts"
   },
   "dependencies": {
     "@anthropic-ai/sdk": "^0.52.0",
@@ -41,8 +45,11 @@
     "@types/node": "^20.10.0",
     "@types/socket.io": "^3.0.2",
     "@types/uuid": "^9.0.0",
+    "dotenv": "^16.3.0",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.0",
+    "ts-node": "^10.9.0",
+    "tsconfig-paths": "^4.2.0",
     "typescript": "^5.3.0"
   }
 }

packages/services/conversation-service/src/data-source.ts

@@ -0,0 +1,19 @@
+import { DataSource } from 'typeorm';
+import * as dotenv from 'dotenv';
+
+// Load environment variables
+dotenv.config({ path: '.env.local' });
+dotenv.config({ path: '.env' });
+
+export const AppDataSource = new DataSource({
+  type: 'postgres',
+  host: process.env.POSTGRES_HOST || 'localhost',
+  port: parseInt(process.env.POSTGRES_PORT || '5432', 10),
+  username: process.env.POSTGRES_USER || 'iconsulting',
+  password: process.env.POSTGRES_PASSWORD,
+  database: process.env.POSTGRES_DB || 'iconsulting',
+  entities: [__dirname + '/**/*.entity{.ts,.js}'],
+  migrations: [__dirname + '/migrations/*{.ts,.js}'],
+  synchronize: false,
+  logging: true,
+});