fix: make deploy() non-blocking (fire-and-forget thread)

app.py

@@ -17,7 +17,7 @@ Endpoints (all behind Traefik basic-auth in prod):
   POST   /rebuild                rebuild catalog.json from /movies
   POST   /deploy                 trigger Coolify webhook
 """
-import os, re, json, shutil, subprocess, hashlib, datetime, unicodedata
+import os, re, json, shutil, subprocess, hashlib, datetime, unicodedata, threading
 from pathlib import Path
 from fastapi import FastAPI, HTTPException, UploadFile, File, Form
 from fastapi.responses import JSONResponse
@@ -48,18 +48,25 @@ def load_catalog():
         return {"movies": []}
     return json.loads(CATALOG.read_text(encoding="utf-8"))
 
-def deploy():
+def _deploy_worker():
     if not WEBHOOK:
-        return {"deployed": False, "reason": "no webhook configured"}
+        return
     import urllib.request
     req = urllib.request.Request(WEBHOOK, method="POST")
     if WEBHOOK_TOKEN:
         req.add_header("Authorization", "Bearer " + WEBHOOK_TOKEN)
     try:
-        with urllib.request.urlopen(req, timeout=60) as r:
-            return {"deployed": True, "status": r.status}
-    except Exception as e:
-        return {"deployed": False, "error": str(e)}
+        urllib.request.urlopen(req, timeout=60)
+    except Exception:
+        pass  # fire-and-forget: log silently, don't block the request
+
+def deploy():
+    """Trigger Coolify redeploy asynchronously (non-blocking)."""
+    if not WEBHOOK:
+        return {"deployed": False, "reason": "no webhook configured"}
+    t = threading.Thread(target=_deploy_worker, daemon=True)
+    t.start()
+    return {"deployed": "queued"}
 
 def torrent_hash(path: Path):
     """Extract info_dict sha1 from a .torrent (bencode) like build_catalog.sh."""