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Michael GrundbergandClaude Opus 5
90fd0a5a15
Four changes the maintainer asked for on Ark0N/Codeman#446 before merging. The pane-exit watcher stays always-on, but a tick now costs nothing when there is nothing to observe. `hasObservablePaneSession()` skips the tmux exec while every session on the manager is one of the shapes `Session.paneExitApplies` already forces to UNKNOWN: a remote SSH session (its local pane holds the ssh client), a docker case (a `docker exec` into the container's own tmux), and a record rebuilt from the socket (no provenance at all). The timer is untouched. Skipping retracts nothing, for the same reason a failed read does not: the map still holds the last real reading, and every path that puts a new command in a pane calls `clearPaneExit()` itself. The two copies of that rule are pinned against each other in `test/session-pane-exit.test.ts`, because drift between them is silent in both directions. `DEFAULT_PANE_EXIT_INTERVAL_MS` was already a constant beside the stats and remote-reconnect intervals; its comment now says why the watcher owns its own cadence and why the number is what it is. The never-default-an-absent-status rule is written where `PaneExit` is declared. It names `status ?? 0` as the thing never to write, and says that an agent the OOM killer took would otherwise read as a user typing `/exit` — which is what absent-stays-absent keeps a later clean-exit sweep away from. Nothing fails when somebody adds that `??`, which is why the sentence is there rather than a test. Checking the dot's specificity found a second fight, and it was losing. On the tab strip the alert rules win as intended: a session that exits with a permission dialog pending still renders red, and yellow for an idle alert. On the rich vertical tab rail they did not — that rail's own `tab-state-*` dot rules are (0,9,1) against the strip's mute at (0,5,0), so an exited session there kept a full green dot AND the working halo beside a badge reading "exited". The rail twin matches that specificity exactly and therefore must stay below those rules in source order; it clears the halo as well, which the strip's rule never had to think about. `test/session-pane-exit-ui.test.ts` now resolves the real stylesheet in jsdom rather than matching selector text: postcss collects every rule that paints `.tab-status`, a real engine decides, and the tests read back the answer. Two mutations were run against it to prove it has teeth — dropping the hand-written alert exclusions fails three cases, and moving the rail twin above the state rules fails one. Refs Ark0N/Codeman#446. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>