feat: add GITEA webhook handler

app/api/webhooks.py

@@ -168,6 +168,23 @@ def normalize_payload(integration_type: IntegrationType, payload: dict) -> Optio
             "labels": data.get("labels", [])
         }
     
+    elif integration_type == IntegrationType.GITEA:
+        action = payload.get("action")
+        if action != "opened":
+            return None
+        issue = payload.get("issue", {})
+        repo = payload.get("repository", {})
+        return {
+            "external_id": str(issue.get("id")),
+            "external_key": f"GITEA-{issue.get('number')}",
+            "external_url": issue.get("html_url"),
+            "title": issue.get("title"),
+            "description": issue.get("body"),
+            "priority": "medium",
+            "labels": [l.get("name") for l in issue.get("labels", [])],
+            "repo": repo.get("full_name")
+        }
+    
     return None
 
 def normalize_priority(priority: Optional[str]) -> str:
@@ -248,6 +265,16 @@ async def webhook_tickethub(
     payload = await request.json()
     return await process_webhook(org_id, IntegrationType.TICKETHUB, payload, background_tasks, db)
 
+@router.post("/{org_id}/gitea")
+async def webhook_gitea(
+    org_id: int,
+    request: Request,
+    background_tasks: BackgroundTasks,
+    db: AsyncSession = Depends(get_db)
+):
+    payload = await request.json()
+    return await process_webhook(org_id, IntegrationType.GITEA, payload, background_tasks, db)
+
 @router.post("/{org_id}/generic")
 async def webhook_generic(
     org_id: int,