Fix JOB_EXPIRED: BASE persistence, bootstrap order, remove duplicates

app.py

@@ -31,7 +31,7 @@ HISTORY_LOCK = threading.Lock()
 SEMAPHORE    = threading.Semaphore(3)
 
 # ── Imp-1: Job persistence — survives space restart/sleep ─────────────────────
-JOBS_FILE = TMP / "tilawa_jobs.json"
+JOBS_FILE = BASE / "tilawa_jobs.json"
 
 def _save_jobs():
     """Persist active jobs to disk (excludes locks and file handles)."""
@@ -261,9 +261,6 @@ def upload():
     if "file" not in request.files:
         return jsonify({"error": "no file"}), 400
     content_length = request.content_length or 0
-    if content_length > 0 and not _check_disk_free(content_length * 2):
-        return jsonify({"error": "server disk full — try later"}), 503  # Imp-D
-    content_length = request.content_length or 0
     if content_length > 0 and not _check_disk_free(content_length * 2):
         return jsonify({"error": "server disk full — try later"}), 503  # Imp-D
     f      = request.files["file"]
@@ -421,7 +418,6 @@ def _run_engine(job_id):
                    "--iterations", "3"]
             for rf in ref_files[:3]: cmd += ["--ref", str(rf)]
             _ENGINE_TIMEOUT = 25 * 60  # Imp-B: 25min hard limit
-            _ENGINE_TIMEOUT = 25 * 60  # Imp-B: 25min hard limit
             proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
                                     stderr=subprocess.STDOUT, text=True)
             engine_log = []
@@ -566,12 +562,7 @@ def history():
     with HISTORY_LOCK: snapshot = list(HISTORY)
     return jsonify({"jobs": snapshot})
 
-if __name__ == "__main__":
-    port = int(os.environ.get("PORT", 7860))
-    app.run(host="0.0.0.0", port=port, threaded=True)
-
 # S68: auto-download missing engine files from GitHub on startup
-# S146: updated — v21 replaces v12; dead engines v87/v84/v89 removed
 def _bootstrap_engines():
     import urllib.request
     RAW = "https://raw.githubusercontent.com/hammer24678-star/tilawa-enhancer-/master/assets/engines"
@@ -593,4 +584,8 @@ def _bootstrap_engines():
             except Exception as ex:
                 print(f"[bootstrap] failed {e}: {ex}")
 
-threading.Thread(target=_bootstrap_engines, daemon=True).start()  # Imp-2: non-blocking startup
+threading.Thread(target=_bootstrap_engines, daemon=True).start()
+
+if __name__ == "__main__":
+    port = int(os.environ.get("PORT", 7860))
+    app.run(host="0.0.0.0", port=port, threaded=True)