chore: sync port references and docs to 4000s infra

services/backend/ARCHITECTURE.md

@@ -233,13 +233,13 @@ LOG_LEVEL=info
 DATABASE_URL=postgresql://user:pass@localhost:5432/discord_moderation
 # OR
 DATABASE_HOST=localhost
-DATABASE_PORT=5432
+DATABASE_PORT=6432
 DATABASE_NAME=discord_moderation
 DATABASE_USER=postgres
 DATABASE_PASSWORD=secret
 
 # Redis (optional, for pub/sub)
-REDIS_URL=redis://localhost:6379
+REDIS_URL=redis://100.121.180.82:6379
 
 # Discord
 MONITOR_GUILD_ID=123456789

services/discord-gateway/drizzle.config.ts

@@ -7,6 +7,6 @@ export default defineConfig({
   dbCredentials: {
     url:
       process.env.DATABASE_URL ||
-      "postgresql://postgres:postgres@localhost:5432/bete",
+      "postgresql://asephs:***@100.121.180.82:6432/dcbot",
   },
 });

services/discord-gateway/vitest.config.ts

@@ -15,7 +15,7 @@ export default defineConfig({
     // (DISCORD_TOKEN required) and DB-agnostic pure-function tests.
     env: {
       DISCORD_TOKEN: "test-discord-token",
-      DATABASE_URL: "postgres://localhost:5432/test",
+      DATABASE_URL: "postgres://localhost:6432/test",
       AI_ANALYSIS_ENABLED: "true",
       AI_LLM_API_KEY: "sk-test",
     },

services/frontend/AGENTS.md

@@ -12,7 +12,7 @@ Key points:
 ## Data flow (match these — do not invent endpoints)
 
 ```
-Discord → discord-gateway → Redis pub/sub → backend (Express :3001) ←→ frontend
+Discord → discord-gateway → Redis pub/sub → backend (Express :4001) ←→ frontend
                                                 ↑ REST /api/*        (same-origin)
                                                 └ WS /ws (events + PCM binary)
 ```

services/frontend/README.md

@@ -36,6 +36,6 @@ src/
 
 ## API
 
-Backend berjalan di port 3001. Frontend mengakses API via `window.location` (same-origin atau proxy).
+Backend berjalan di port 4001. Frontend mengakses API via `window.location` (same-origin atau proxy).
 
 WebSocket terhubung otomatis ke `/ws` di host yang sama.