feat(ai): implement unified prompt management UX/UI (ADR-037)

- Add context config endpoints (GET/PUT /api/ai/prompts/:type/:version/context-config)
- Add execution profile endpoints (CRUD /api/ai/execution-profiles)
- Add sandbox RAG Prep endpoint (POST /api/ai/admin/sandbox/rag-prep)
- Create Prompt Management UI with multi-type support
- Add ContextConfigEditor, PromptEditor, RuntimeParametersPanel components
- Add SandboxTabs for 3-step workflow (OCR, Extract, RAG Prep)
- Add database deltas for ai_execution_profiles and additional prompt types
- Update quickstart.md with production backend URLs
- Add comprehensive test coverage for new features

frontend/package.json

@@ -88,6 +88,6 @@
     "tailwindcss": "3.4.3",
     "typescript": "^5.9.3",
     "vite": "7.3.2",
-    "vitest": "^4.1.0"
+    "vitest": "^4.1.6"
   }
 }