Fix mock API routing and retriever alias

backend/server.py

-import asyncio
-import os
-import platform
-
-if platform.system() == "Windows":
-    print("🔧 Windows detected: Applying SelectorEventLoopPolicy globally...")
-    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
-
-import logging
-
-import uvicorn
-from fastapi import FastAPI
-from fastapi.staticfiles import StaticFiles
-
-from api.chatbot_route import router as chatbot_router
-from api.conservation_route import router as conservation_router
-from api.prompt_route import router as prompt_router
-from common.cache import redis_cache
-from common.langfuse_client import get_langfuse_client
-from common.middleware import middleware_manager
-from config import PORT
-
-# Configure Logging
-logging.basicConfig(
-    level=logging.INFO,
-    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
-    handlers=[logging.StreamHandler()],
-)
-
-logger = logging.getLogger(__name__)
-
-langfuse_client = get_langfuse_client()
-if langfuse_client:
-    logger.info("✅ Langfuse client ready (lazy loading)")
-else:
-    logger.warning("⚠️ Langfuse client not available (missing keys or disabled)")
-
-app = FastAPI(
-    title="Contract AI Service",
-    description="API for Contract AI Service",
-    version="1.0.0",
-)
-
-
-# =============================================================================
-# STARTUP EVENT - Initialize Redis Cache
-# =============================================================================
-@app.on_event("startup")
-async def startup_event():
-    """Initialize Redis cache on startup."""
-    await redis_cache.initialize()
-    logger.info("✅ Redis cache initialized for message limit")
-
-
-# =============================================================================
-# MIDDLEWARE SETUP - Gom Auth + RateLimit + CORS vào một chỗ
-# =============================================================================
-middleware_manager.setup(
-    app,
-    enable_auth=True,        # 👈 Bật lại Auth để test logic Guest/User
-    enable_rate_limit=True,   # 👈 Bật lại SlowAPI theo yêu cầu
-    enable_cors=True,         # 👈 Bật CORS
-    cors_origins=["*"],       # 👈 Trong production nên limit origins
-)
-
-app.include_router(conservation_router)
-app.include_router(chatbot_router)
-app.include_router(prompt_router)
-
-
-# --- MOCK API FOR LOAD TESTING ---
-try:
-    from api.mock_api_route import router as mock_router
-
+import asyncio
+import os
+import platform
+
+if platform.system() == "Windows":
+    print("🔧 Windows detected: Applying SelectorEventLoopPolicy globally...")
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
+import logging
+
+import uvicorn
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+
+from api.chatbot_route import router as chatbot_router
+from api.conservation_route import router as conservation_router
+from api.prompt_route import router as prompt_router
+from common.cache import redis_cache
+from common.langfuse_client import get_langfuse_client
+from common.middleware import middleware_manager
+from config import PORT
+
+# Configure Logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+    handlers=[logging.StreamHandler()],
+)
+
+logger = logging.getLogger(__name__)
+
+langfuse_client = get_langfuse_client()
+if langfuse_client:
+    logger.info("✅ Langfuse client ready (lazy loading)")
+else:
+    logger.warning("⚠️ Langfuse client not available (missing keys or disabled)")
+
+app = FastAPI(
+    title="Contract AI Service",
+    description="API for Contract AI Service",
+    version="1.0.0",
+)
+
+
+# =============================================================================
+# STARTUP EVENT - Initialize Redis Cache
+# =============================================================================
+@app.on_event("startup")
+async def startup_event():
+    """Initialize Redis cache on startup."""
+    await redis_cache.initialize()
+    logger.info("✅ Redis cache initialized for message limit")
+
+
+# =============================================================================
+# MIDDLEWARE SETUP - Gom Auth + RateLimit + CORS vào một chỗ
+# =============================================================================
+middleware_manager.setup(
+    app,
+    enable_auth=True,        # 👈 Bật lại Auth để test logic Guest/User
+    enable_rate_limit=True,   # 👈 Bật lại SlowAPI theo yêu cầu
+    enable_cors=True,         # 👈 Bật CORS
+    cors_origins=["*"],       # 👈 Trong production nên limit origins
+)
+
+app.include_router(conservation_router)
+app.include_router(chatbot_router)
+app.include_router(prompt_router)
+
+
+# --- MOCK API FOR LOAD TESTING ---
+try:
+    from api.mock_api_route import router as mock_router
+
     app.include_router(mock_router)
-    print("✅ Mock API Router mounted at /mock")
-except ImportError:
-    print("⚠️ Mock Router not found, skipping...")
-
-# ==========================================
-# 🟢 ĐOẠN MOUNT STATIC HTML CỦA BRO ĐÂY 🟢
-# ==========================================
-try:
-    static_dir = os.path.join(os.path.dirname(__file__), "static")
-    if not os.path.exists(static_dir):
-        os.makedirs(static_dir)
-    # Mount thư mục static để chạy file index.html
-    app.mount("/static", StaticFiles(directory=static_dir, html=True), name="static")
-    print(f"✅ Static files mounted at /static (Dir: {static_dir})")
-except Exception as e:
-    print(f"⚠️ Failed to mount static files: {e}")
-
-
-from fastapi.responses import RedirectResponse
-
-
-@app.get("/")
-async def root():
-    return RedirectResponse(url="/static/index.html")
-
-
-if __name__ == "__main__":
-    print("=" * 60)
-    print("🚀 Contract AI Service Starting...")
-    print("=" * 60)
-    print(f"📡 REST API: http://localhost:{PORT}")
-    print(f"📡 Test Chatbot: http://localhost:{PORT}/static/index.html")
-    print(f"📚 API Docs: http://localhost:{PORT}/docs")
-    print("=" * 60)
-
-    ENABLE_RELOAD = False
-    print(f"⚠️  Hot reload: {ENABLE_RELOAD}")
-
-    reload_dirs = ["common", "api", "agent"]
-
-    if ENABLE_RELOAD:
-        os.environ["PYTHONUNBUFFERED"] = "1"
-
-    uvicorn.run(
-        "server:app",
-        host="0.0.0.0",
-        port=PORT,
-        reload=ENABLE_RELOAD,
-        reload_dirs=reload_dirs,
-        log_level="info",
-    )
+    print("✅ Mock API Router mounted at /api/mock")
+except ImportError:
+    print("⚠️ Mock Router not found, skipping...")
+
+# ==========================================
+# 🟢 ĐOẠN MOUNT STATIC HTML CỦA BRO ĐÂY 🟢
+# ==========================================
+try:
+    static_dir = os.path.join(os.path.dirname(__file__), "static")
+    if not os.path.exists(static_dir):
+        os.makedirs(static_dir)
+    # Mount thư mục static để chạy file index.html
+    app.mount("/static", StaticFiles(directory=static_dir, html=True), name="static")
+    print(f"✅ Static files mounted at /static (Dir: {static_dir})")
+except Exception as e:
+    print(f"⚠️ Failed to mount static files: {e}")
+
+
+from fastapi.responses import RedirectResponse
+
+
+@app.get("/")
+async def root():
+    return RedirectResponse(url="/static/index.html")
+
+
+if __name__ == "__main__":
+    print("=" * 60)
+    print("🚀 Contract AI Service Starting...")
+    print("=" * 60)
+    print(f"📡 REST API: http://localhost:{PORT}")
+    print(f"📡 Test Chatbot: http://localhost:{PORT}/static/index.html")
+    print(f"📚 API Docs: http://localhost:{PORT}/docs")
+    print("=" * 60)
+
+    ENABLE_RELOAD = False
+    print(f"⚠️  Hot reload: {ENABLE_RELOAD}")
+
+    reload_dirs = ["common", "api", "agent"]
+
+    if ENABLE_RELOAD:
+        os.environ["PYTHONUNBUFFERED"] = "1"
+
+    uvicorn.run(
+        "server:app",
+        host="0.0.0.0",
+        port=PORT,
+        reload=ENABLE_RELOAD,
+        reload_dirs=reload_dirs,
+        log_level="info",
+    )