Add feedback form and webhook

backend/app/routers/feedback.py

@@ -0,0 +1,38 @@
+from typing import Any, Dict
+import httpx
+from fastapi import APIRouter, Depends, HTTPException
+
+from ..auth import get_current_user
+from ..runtime import get_runtime_settings
+
+router = APIRouter(prefix="/feedback", tags=["feedback"], dependencies=[Depends(get_current_user)])
+
+
+@router.post("")
+async def send_feedback(payload: Dict[str, Any], user: Dict[str, str] = Depends(get_current_user)) -> dict:
+    runtime = get_runtime_settings()
+    webhook_url = runtime.discord_webhook_url
+    if not webhook_url:
+        raise HTTPException(status_code=400, detail="Discord webhook not configured")
+
+    feedback_type = str(payload.get("type") or "").strip().lower()
+    if feedback_type not in {"bug", "feature"}:
+        raise HTTPException(status_code=400, detail="Invalid feedback type")
+
+    message = str(payload.get("message") or "").strip()
+    if not message:
+        raise HTTPException(status_code=400, detail="Message is required")
+    if len(message) > 2000:
+        raise HTTPException(status_code=400, detail="Message is too long")
+
+    username = user.get("username") or "unknown"
+    content = f"**{feedback_type.title()}** from **{username}**\n{message}"
+
+    try:
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.post(webhook_url, json={"content": content})
+            response.raise_for_status()
+    except httpx.HTTPStatusError as exc:
+        raise HTTPException(status_code=502, detail=str(exc)) from exc
+
+    return {"status": "ok"}