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Eric Traut
90c0bec50c
## Why Fixes #16688. The TUI currently hydrates collab receiver metadata by awaiting `thread/read` before each active-thread notification is rendered. During large subagent fan-outs, the embedded app-server can be busy starting agents and processing spawn work, so those synchronous metadata reads queue behind the fan-out and block the TUI event loop. That makes the UI appear frozen even though the underlying agent work can continue. ## What Changed - Replaced eager `thread/read` metadata hydration on the active notification path with local receiver-thread caching. - Kept `ThreadStarted` and picker refreshes as the places that fill in agent nickname/role metadata when it is available. - Skipped caching receiver threads that are explicitly reported as `NotFound`, avoiding live-looking ghost entries for failed stale-agent calls. - Added TUI tests covering both local receiver caching and `NotFound` suppression. ## Verification - `cargo test -p codex-tui collab_receiver_notification` - `just fix -p codex-tui` I also ran the full `cargo test -p codex-tui`; the new test passed, but the full process later aborted with an unrelated stack overflow in `tests::fork_last_filters_latest_session_by_cwd_unless_show_all`.
90c0bec50c
ยท
2026-05-09 15:15:40 -07:00
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