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60c8fc6290
Leg 2 of #63078: prompt.submit returns {"status":"streaming"} immediately and runs _start_agent_build + _wait_agent(timeout=30s) behind it. The deferred build (MCP discovery with per-server retry backoff, synchronous model-metadata HTTP, skills scanning) routinely outlives 30s on cold starts; on timeout run_after_agent_ready emitted an error EVENT and returned without ever calling _run_prompt_submit — the user's first message was permanently discarded while the build finished successfully in the background. The desktop's optimistic row eventually cleared with no visible error: the blank first session. New _wait_agent_for_prompt replaces the flat cliff for the deferred prompt path only (_sess()'s RPC-blocking _wait_agent keeps its 30s contract): - The pending prompt stays attached to the (already off-RPC) run thread and is delivered the moment the still-running build completes — a slow build is no longer message loss. - The wait runs in 5s slices so a cancel (session.interrupt / churn) is honored promptly; the cancelled path returns None and defers to the caller's cancel branch (the #65567 emit) for user-visible messaging. - Past 30s the client gets ONE keyed notification.show ('Still starting the agent…', key=agent-build-slow, desktop toast / TUI status bar), cleared on delivery — patient, never silent. - Permanent failure only when the build itself fails: agent_error set at ready, the build thread died without signalling ready (fail fast via the new _agent_build_thread handle instead of sitting out the cap on a corpse), or the bounded cap expired on a genuinely hung build. The cap defaults to 600s and is tunable via agent.build_wait_timeout in config.yaml (no new env vars); the error message states the message was not sent. Tests: slow-build delivery with zero error events; the keyed progress notice shown once and cleared; build-failure surfacing exactly one error event with the real reason; dead-thread fail-fast; cancel honored mid-wait; config override + fallback semantics; cap expiry message. The compute-host fallback test stubs the new waiter alongside _wait_agent. |
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| .. | ||
| __init__.py | ||
| _stdin_recovery.py | ||
| compute_host.py | ||
| entry.py | ||
| event_publisher.py | ||
| git_probe.py | ||
| host_supervisor.py | ||
| loop_noise.py | ||
| project_tree.py | ||
| render.py | ||
| server.py | ||
| slash_worker.py | ||
| synthetic_turn.py | ||
| transport.py | ||
| ws.py | ||