Fix animdl discovery in Docker runtime

queue_jobs.py

@@ -1535,8 +1535,8 @@ class DownloadQueue:
                 unavailable_methods.append(method)
                 continue
             attempts.append(attempt_for(method))
-        if not attempts:
-            attempts.append(attempt_for(selected_methods[0]))
+        if not attempts and selected_methods == ["ani-cli"]:
+            attempts.append(attempt_for("ani-cli"))
         return attempts, selected_methods, unavailable_methods
 
     def _run(self):
@@ -1554,6 +1554,33 @@ class DownloadQueue:
         staging_dir.mkdir(parents=True, exist_ok=True)
         target_dir.mkdir(parents=True, exist_ok=True)
         attempts, selected_methods, unavailable_methods = self._command_attempts(job, staging_dir)
+        if not attempts:
+            with self.lock:
+                job["status"] = "failed"
+                job["started_at"] = now_iso()
+                job["finished_at"] = job["started_at"]
+                job["updated_at"] = job["finished_at"]
+                job["exit_code"] = 1
+                job["pid"] = None
+                job["staging_dir"] = str(staging_dir)
+                job["target_dir"] = str(target_dir)
+                job["download_backend"] = selected_methods[0] if selected_methods else None
+                job["fallback_used"] = False
+                job["log"] = [
+                    f"Staging in: {job['staging_dir']}",
+                    f"Final folder: {job['target_dir']}",
+                    f"Download methods: {', '.join(selected_methods)}",
+                    (
+                        "No selected download methods are installed or executable: "
+                        f"{', '.join(unavailable_methods or selected_methods)}."
+                    ),
+                ]
+                self.current_process = None
+                self.current_job_id = None
+                self.current_job = None
+                self._save_job_locked(job)
+            self._cleanup_staging_dir(job)
+            return
         primary_command = attempts[0]["command"]
 
         with self.lock: