feat(ai): add ADR-036 unified OCR architecture and frontend test coverage

- Add ADR-036 unified OCR architecture (typhoon-ocr via Ollama)
- Extend AI execution profiles for OCR sandbox configuration
- Add comprehensive frontend test coverage (components, hooks, services)
- Add backend test coverage for document-numbering services
- Update OCR sidecar with typhoon-ocr integration
- Add AI policy service and execution profile management
- Update AGENTS.md and architecture documentation

frontend/.understand-anything/.understandignore

@@ -0,0 +1,21 @@
+# ยกเว้นไฟล์ทดสอบและ specs
+*.spec.ts
+*.test.ts
+*.spec.tsx
+*.test.tsx
+__tests__/
+tests/
+test/
+
+# ยกเว้น Next.js แคชและไฟล์บิลด์
+.next/
+out/
+build/
+coverage/
+tsconfig.tsbuildinfo
+eslint-frontend.json
+npm-audit-frontend.json
+
+# ยกเว้นโฟลเดอร์มีเดียและโมดูล
+public/
+node_modules/

frontend/.understand-anything/meta.json

@@ -0,0 +1,6 @@
+{
+  "lastAnalyzedAt": "2026-06-13T13:24:07.512Z",
+  "gitCommitHash": "190b9a3af5f505e9ec59ba8d447c4720b2cb7dae",
+  "version": "1.0.0",
+  "analyzedFiles": 373
+}