fix(downgrade): Rollback FastAPI and Starlette due to compatibility issues with Pydantic V2 affecting API parameter handling.

requirements.txt

@@ -79,7 +79,7 @@ docker==6.1.3
     # via -r requirements.in
 fast-bencode==1.1.6
     # via -r requirements.in
-fastapi==0.112.1
+fastapi==0.96.1
     # via -r requirements.in
 frozenlist==1.4.1
     # via
@@ -246,7 +246,7 @@ sqlalchemy==2.0.32
     # via
     #   -r requirements.in
     #   alembic
-starlette==0.38.2
+starlette==0.27.0
     # via
     #   -r requirements.in
     #   fastapi
@@ -261,7 +261,6 @@ transmission-rpc==4.3.1
 typing-extensions==4.12.2
     # via
     #   alembic
-    #   fastapi
     #   pydantic
     #   pyee
     #   sqlalchemy