fix(input): make sure a prompt sent through the API actually leaves the composer

Claude Code 2.1.277 takes typed text the moment its composer paints but
ignores Enter for the first 30 to 50 seconds after it (measured 2026-09-19
through the input route: an Enter at 28 s stranded the prompt, one at 51 s
submitted it). The text+Enter pair `sendInput` sends 50 ms apart therefore
left every programmatic prompt sitting unsent, and every waiter burned its
timeout on a turn that never started.

Server: `SubmitVerifier` (session-submit-verifier.ts), armed from
`writeViaMux` for every mux write that carried a carriage return, reads the
pane on a 2 s to 60 s schedule and re-sends Enter only while the last
composer line (the CLI's own prompt glyph) still holds the head of what was
sent. An empty composer, other text, or no composer line at all ends it; a
newer write replaces the schedule.

Skill: `sendwait` gets the same loop (`_composer_text`, no-break space
stripped by its bytes for BSD sed) for servers that predate this, and the
preamble version moves to 1.30.1 so seeded agents pick up the fresh copy.
SKILL.md's heredoc and the plugin mirror are regenerated.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Codeman maintainer
2026-09-19 11:38:59 +02:00
parent 3cdb4bf42e
commit 19ffe9b7a8
11 changed files with 616 additions and 94 deletions
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"aicodeman": patch
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fix(input): make sure a prompt sent through the API actually leaves the composer. Claude Code 2.1.277 started ignoring Enter for the first 30 to 50 seconds after the composer paints while still accepting the typed text, so a prompt sent right after a session came up sat unsent in the pane and every waiter (send-and-wait, the agent skill, cron, the maintainer bot) burned its whole timeout on a turn that never started. The server now reads the pane after every programmatic write that carried Enter and presses Enter again, on a 2 to 60 second schedule, only while the composer verifiably still holds the text it sent; an empty composer, other text, or a pane with no composer at all ends it. The agent skill's `sendwait` gets the same loop for servers that predate this, and its preamble version moves to 1.30.1 so an already-seeded agent picks up the fresh copy.