Added llm providers entrypoint

src/backend/main.py

@@ -81,15 +81,16 @@ from utils.helpers import filter_and_paginate
 # Import route modules
 # =============================
 from routes import (
+    admin,
     auth,
     candidates, 
-    resumes,
-    jobs,
     chat,
-    users,
     employers,
-    admin,
-    system
+    jobs,
+    providers,
+    resumes,
+    system,
+    users,
 )
 
 # =============================
@@ -238,22 +239,20 @@ api_router = APIRouter(prefix="/api/1.0")
 # ============================
 # Include all route modules
 # ============================
+api_router.include_router(admin.router)
 api_router.include_router(auth.router)
 api_router.include_router(candidates.router)
-api_router.include_router(resumes.router)
-api_router.include_router(jobs.router)
 api_router.include_router(chat.router)
-api_router.include_router(users.router)
 api_router.include_router(employers.router)
-api_router.include_router(admin.router)
+api_router.include_router(jobs.router)
+api_router.include_router(providers.router)
+api_router.include_router(resumes.router)
 api_router.include_router(system.router)
+api_router.include_router(users.router)
 
 # ============================
 # Health Check and Info Endpoints
 # ============================
-async def get_redis() -> redis.Redis:
-    """Dependency to get Redis client"""
-    return redis_manager.get_client()
 
 @app.get("/health")
 async def health_check(
@@ -284,10 +283,6 @@ async def health_check(
                 "version": redis_info.get("redis_version", "unknown"),
                 "uptime": redis_info.get("uptime_in_seconds", 0),
                 "memory_used": redis_info.get("used_memory_human", "unknown")
-            },
-            "application": {
-                "active_requests": database._active_requests,
-                "shutting_down": database.is_shutting_down
             }
         }
     

src/backend/routes/providers.py

@@ -0,0 +1,63 @@
+from typing import Optional
+from fastapi import APIRouter, HTTPException
+
+from utils.llm_proxy import LLMProvider, get_llm
+
+
+router = APIRouter(prefix="/providers", tags=["providers"])
+
+@router.get("/models")
+async def list_models(provider: Optional[str] = None):
+    """List available models for a provider"""
+    try:
+        llm = get_llm()
+        
+        provider_enum = None
+        if provider:
+            try:
+                provider_enum = LLMProvider(provider.lower())
+            except ValueError:
+                raise HTTPException(
+                    status_code=400, 
+                    detail=f"Unsupported provider: {provider}"
+                )
+        
+        models = await llm.list_models(provider_enum)
+        return {
+            "provider": provider_enum.value if provider_enum else llm.default_provider.value,
+            "models": models
+        }
+    
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@router.get("")
+async def list_providers():
+    """List all configured providers"""
+    llm = get_llm()
+    return {
+        "providers": [provider.value for provider in llm._initialized_providers],
+        "default": llm.default_provider.value
+    }
+
+@router.post("/{provider}/set-default")
+async def set_default_provider(provider: str):
+    """Set the default provider"""
+    try:
+        llm = get_llm()
+        provider_enum = LLMProvider(provider.lower())
+        llm.set_default_provider(provider_enum)
+        return {"message": f"Default provider set to {provider}", "default": provider}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+# Health check endpoint
+@router.get("/health")
+async def health_check():
+    """Health check endpoint"""
+    llm = get_llm()
+    return {
+        "status": "healthy",
+        "providers_configured": len(llm._initialized_providers),
+        "default_provider": llm.default_provider.value
+    }