fix: correct Starlette TemplateResponse signature and pin exact dependencies in requirements.txt

app/main.py

@@ -36,11 +36,12 @@ app.include_router(api.router)
 app.include_router(proxy.router)
 
 @app.get("/", response_class=HTMLResponse)
+@app.head("/", response_class=HTMLResponse)
 async def index_view(request: Request):
     return templates.TemplateResponse(
-        "index.html",
-        {
-            "request": request,
+        request=request,
+        name="index.html",
+        context={
             "universes": UNIVERSES,
             "app_name": settings.app_name
         }

requirements.txt

@@ -1,9 +1,10 @@
-fastapi>=0.110.0
-uvicorn[standard]>=0.28.0
-httpx>=0.27.0
-websockets>=12.0
-jinja2>=3.1.3
-pyyaml>=6.0.1
-pydantic>=2.6.0
-pydantic-settings>=2.2.0
-python-multipart>=0.0.9
+fastapi==0.141.1
+starlette==1.6.0
+uvicorn[standard]==0.52.4
+httpx==0.28.1
+jinja2==3.1.6
+pyyaml==6.0.3
+pydantic==2.13.4
+pydantic-settings==2.15.0
+python-multipart==0.0.32
+python-dotenv==1.2.3