fix: bound task failures and release stalled workers

mcp_server/tools/automation.py

@@ -26,7 +26,19 @@ MODEL_FIELDS = {
     "tool_fallback_no_progress_attempts",
     "reasoning_effort",
 }
-CAPABILITY_FIELDS = {"video_enabled", "outputter_enabled", "step_summarizer_enabled"}
+CAPABILITY_FIELDS = {
+    "video_enabled",
+    "recording_enabled",
+    "outputter_enabled",
+    "step_summarizer_enabled",
+    "screenshot_limit_enabled",
+    "task_timeout_seconds",
+    "observation_timeout_seconds",
+    "observation_max_attempts",
+    "device_command_timeout_seconds",
+    "action_failure_attempts",
+    "worker_cleanup_timeout_seconds",
+}
 
 
 def _id(value: str | None) -> str:
@@ -131,8 +143,12 @@ async def mobile_config(
     tool_fallback_reasoning_effort, tool_fallback_max_retries,
     tool_fallback_no_progress_attempts. 'default' omits reasoning;
     unsupported values fail visibly.
-    capabilities: video_enabled (recording + analysis), outputter_enabled,
-    step_summarizer_enabled. reports: formats=['docx','xlsx'] (at least one).
+    capabilities: video_enabled and recording_enabled are independent; outputter_enabled,
+    step_summarizer_enabled, screenshot_limit_enabled, task_timeout_seconds (default 1800),
+    observation_timeout_seconds (60), observation_max_attempts (3),
+    device_command_timeout_seconds (10), action_failure_attempts (3),
+    worker_cleanup_timeout_seconds (30).
+    reports: formats=['docx','xlsx'] (at least one).
     API keys are never accepted or returned: use the Web UI or .env for credentials.
     Saving settings does not change an already running task. Flash/Pro are execution
     profiles, not model names. Model retries do not repeat device test cases.