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An opencode session that ran a tool stayed "working" for good. The running
tool row draws a braille spinner (`⠋ Sleep for 12 seconds...`), which trips
the generic SPINNER_PATTERN and marks the pane working, but only a composer
glyph arms the idle confirmation and opencode declared none, so it fell back
to Claude's `❯`, which opencode never draws. Measured on an isolated
instance: a 16 s turn latched busy/isWorking for the rest of the session.
A text-only turn had the opposite problem and never showed as working.
Measured on live opencode 1.3.0 panes (capture-pane every 250-300 ms through
real turns at 40, 60, 120 and 200 columns, plus the raw PTY stream):
- Every composer row starts with a `┃` bar, and the submitted prompt lands in
the transcript with the same bar, so a turn's first repaint arms the idle
check, and tmux's reattach repaint does the same for a restored pane.
- While a turn runs the footer row starts with an 8-cell knight-rider
spinner, `⬝■■■■■■⬝ esc interrupt`, redrawn about every 40 ms (largest
gap mid-turn: 121 ms). At rest the TUI is silent and nothing on screen
draws a `⬝`/`■` run, the 200-column sidebar included.
- The working line is the spinner run, `[⬝■]{8}`, not the label: tmux ships
`esc` and `interrupt` as separate words joined by cursor moves, so the
label never reaches the stream detector, and at 40 columns the footer
wraps it to `esc` / `interr` / `upt`. All 344 spinner chunks of a turn
match the run after Codeman's ANSI strip.
- A pending permission prompt replaces the composer and stops the spinner,
so it reads as idle (waiting on the user).
- The last `┃` row on screen is the composer's agent/model row, or the
permission box's closing bar, never the prompt text, so the submit
verifier stands down and can never press Enter into a dialog.
Verified on an isolated instance from this branch: a 15 s tool turn emitted
exactly one session:working (+271 ms) and one session:idle (3 s after the
spinner stopped); a permission prompt read idle and the allowed turn went
working -> idle; after a server restart both restored opencode panes (one
at rest, one on a permission prompt) went busy -> idle in about 4 s; a
fresh launch reached an open page as idle in 3 s.
The launch-settle tests that used opencode as their example of a CLI
without work detection now use gemini and antigravity.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>