Fix async generator exception handling in database dependencies

docs/instructions.md

@@ -118,3 +118,93 @@ For each task completed:
 ---
 
 ## TODO List:
+
+1. fix the exception
+
+INFO: 127.0.0.1:36902 - "POST /api/anime/search HTTP/1.1" 200
+INFO: 127.0.0.1:36902 - "POST /api/anime/add HTTP/1.1" 500
+ERROR: Exception in ASGI application
+Traceback (most recent call last):
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/anyio/streams/memory.py", line 98, in receive
+return self.receive_nowait()
+
+```^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/anyio/streams/memory.py", line 93, in receive_nowait
+raise WouldBlock
+anyio.WouldBlock
+
+During handling of the above exception, another exception occurred:
+
+Traceback (most recent call last):
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 78, in call_next
+message = await recv_stream.receive()
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/anyio/streams/memory.py", line 118, in receive
+raise EndOfStream
+anyio.EndOfStream
+
+During handling of the above exception, another exception occurred:
+
+Traceback (most recent call last):
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/uvicorn/protocols/http/httptools_impl.py", line 426, in run_asgi
+result = await app( # type: ignore[func-returns-value]
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+self.scope, self.receive, self.send
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+)
+^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/uvicorn/middleware/proxy_headers.py", line 84, in **call**
+return await self.app(scope, receive, send)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/fastapi/applications.py", line 1106, in **call**
+await super().**call**(scope, receive, send)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/applications.py", line 122, in **call**
+await self.middleware_stack(scope, receive, send)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/errors.py", line 184, in **call**
+raise exc
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/errors.py", line 162, in **call**
+await self.app(scope, receive, \_send)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 108, in **call**
+response = await self.dispatch_func(request, call_next)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/Volume/repo/Aniworld/src/server/middleware/auth.py", line 209, in dispatch
+return await call_next(request)
+^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 84, in call_next
+raise app_exc
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 70, in coro
+await self.app(scope, receive_or_disconnect, send_no_error)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 108, in **call**
+response = await self.dispatch_func(request, call_next)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/Volume/repo/Aniworld/src/server/middleware/setup_redirect.py", line 147, in dispatch
+return await call_next(request)
+^^^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 84, in call_next
+raise app_exc
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/base.py", line 70, in coro
+await self.app(scope, receive_or_disconnect, send_no_error)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/cors.py", line 91, in **call**
+await self.simple_response(scope, receive, send, request_headers=headers)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/cors.py", line 146, in simple_response
+await self.app(scope, receive, send)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/exceptions.py", line 79, in **call**
+raise exc
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/starlette/middleware/exceptions.py", line 68, in **call**
+await self.app(scope, receive, sender)
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/site-packages/fastapi/middleware/asyncexitstack.py", line 14, in **call**
+async with AsyncExitStack() as stack:
+~~~~~~~~~~~~~~^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/contextlib.py", line 768, in **aexit**
+raise exc
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/contextlib.py", line 751, in **aexit**
+cb_suppress = await cb(\*exc_details)
+^^^^^^^^^^^^^^^^^^^^^^
+File "/home/lukas/miniconda3/envs/AniWorld/lib/python3.13/contextlib.py", line 271, in **aexit**
+raise RuntimeError("generator didn't stop after athrow()")
+RuntimeError: generator didn't stop after athrow()
+
+2. add actions
+
+make sure that on a add only the added series is searched. so nfo and logo is loaded only for that one serie
+```

src/server/utils/dependencies.py

@@ -124,19 +124,15 @@ async def get_database_session() -> AsyncGenerator:
     """
     try:
         from src.server.database import get_db_session
-        
-        async with get_db_session() as session:
-            try:
-                yield session
-            except Exception:
-                # Re-raise the exception to let FastAPI handle it
-                # This prevents "generator didn't stop after athrow()" error
-                raise
     except ImportError:
         raise HTTPException(
             status_code=status.HTTP_501_NOT_IMPLEMENTED,
             detail="Database functionality not installed"
         )
+    
+    try:
+        async with get_db_session() as session:
+            yield session
     except RuntimeError as e:
         raise HTTPException(
             status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
@@ -168,17 +164,17 @@ async def get_optional_database_session() -> AsyncGenerator:
     """
     try:
         from src.server.database import get_db_session
-        
-        async with get_db_session() as session:
-            try:
-                yield session
-            except Exception:
-                # Re-raise to let FastAPI handle it properly
-                # This prevents "generator didn't stop after athrow()" error
-                raise
     except (ImportError, RuntimeError):
         # Database not available - yield None
         yield None
+        return
+    
+    try:
+        async with get_db_session() as session:
+            yield session
+    except (ImportError, RuntimeError):
+        # Database became unavailable - this shouldn't happen but handle it
+        yield None
 
 
 def get_current_user(