feat(rewrite): tambah application layer — port traits & use cases TypeScript

Paket @zesdex/application (apps/packages/application):
- ports: ProviderService (chat/chatStream+abort), PasswordService,
  TokenService, AuthService
- agent: AgentTurnServiceImpl (loop 50 iterasi, auto-compact 60k chars,
  adaptive max-tokens 800/1600/4096, temp 0.2/0.7, ErrorTracker,
  eksekusi tool read-only paralel terbatas mempertahankan urutan)
  + compact_messages_with_ai
- auth: OAuthUseCase (PKCE S256 + CSRF state), SessionServiceImpl
- cms: ConversationServiceImpl, MemoryServiceImpl, SettingsServiceImpl
- 11 unit test Bun (PKCE, OAuth CSRF, turn_service helper)
- tsconfig paths untuk workspace @zesdex/*

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

tsconfig.json

@@ -18,7 +18,12 @@
     "noUncheckedIndexedAccess": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true
+    "noFallthroughCasesInSwitch": true,
+    "paths": {
+      "@zesdex/domain": ["./apps/packages/domain/src/index.ts"],
+      "@zesdex/application": ["./apps/packages/application/src/index.ts"],
+      "@zesdex/infrastructure": ["./apps/packages/infrastructure/src/index.ts"]
+    }
   },
   "include": ["apps/packages/*/src", "apps/interfaces/*/src", "apps/interfaces/*/bin"]
 }