jkomyno c2e70f66a6 fix(py): route establish-time subscription failures through on_subscription_error ...

pysher performs the channel-auth request synchronously inside
pusher.subscribe(), so an auth rejection raised on the websocket thread
before pusher:subscription_error could ever be bound or fire. The new
on_subscription_error callback was skipped for exactly the failures it
documents, and callers waited out the full connect timeout for a
generic ComposioSDKTimeoutError.

- _connection_handler catches subscribe() failures and routes them
  through the error path (log + callback with {'error': ...}).
- The failure is recorded on the subscription and the connect() wait
  loop re-raises it on its next poll, so subscribe() fails promptly
  with the underlying error and still tears down the pusher.
- Update the Python reference, guide, and docstrings; add regression
  coverage for the handler routing, the failure record, and fast-fail.

Addresses the Cursor Bugbot comment on triggers.py:1023.

2026-09-16 14:54:14 +02:00

82 KiB

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