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`enter` on a run in the terminal opens its log, the last 200 lines, refreshing while it runs, as MCP `run_log` does #7306

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`enter` on a run in the terminal now opens its log instead of printing a web address.

shipped production is serving it deploy aece0eb

opened this

enter on a run in the terminal now opens its log instead of printing a web address.

The new screen is src/tui/screens/runlog.ts. It reads through runLog, the call MCP run_log and the run page use. It shows a state line (state, kind, summary, cost, "live" while queued or running), then the last 200 log lines, scrolled to the end.

  • Keys:

- j/k, page keys, g and G scroll. - r rereads. - o prints the web address, as enter used to.

  • Refresh: while the run is queued or running it rereads every 2 s and stops when the run ends. A viewer at the end follows new lines; one who scrolled up keeps their place.
  • Hidden log: a hidden log or an unreadable repository shows "Not found" and draws none of the run, its log or its summary.
  • openRunLog: it now pushes this screen, so every list that opens a run gets the log.

Tests: test/tui-runlog.test.ts covers the three cases from the issue (a finished run's last 200 lines, a hidden log reading not found, and a running run's new line appearing after a reread). I also changed test/tui-apps.test.ts. It expected the web address after enter, so it now expects the log's text. That test was out of date, not wrong.

I ran tsc --noEmit, test/tui-runlog.test.ts, test/tui-runs-state.test.ts, test/tui-deploys.test.ts, test/tui-apps.test.ts, test/mcp-size.test.ts and bun scripts/design-lint.ts, and all pass. I did not run the full suite; the forge runs the full check on the push.

Left out: no wrapping of long lines (they are cut), no search, and no cancel or steer from this screen. The MCP is unchanged and no tool was added.

To try it: open a repository's Runs list (or a pull's or issue's crew tab) in the terminal and press enter on a run.

Closes #7293

commented

enter on a run in the terminal now opens its log instead of printing a web address.

The new screen is src/tui/screens/runlog.ts. It reads through runLog, the call MCP run_log and the run page use. It shows a state line (state, kind, summary, cost, "live" while queued or running), then the last 200 log lines, scrolled to the end.

  • Keys:

- j/k, page keys, g and G scroll. - r rereads. - o prints the web address, as enter used to.

  • Refresh: while the run is queued or running it rereads every 2 s and stops when the run ends. A viewer at the end follows new lines; one who scrolled up keeps their place.
  • Hidden log: a hidden log or an unreadable repository shows "Not found" and draws none of the run, its log or its summary.
  • openRunLog: it now pushes this screen, so every list that opens a run gets the log.

Tests: test/tui-runlog.test.ts covers the three cases from the issue (a finished run's last 200 lines, a hidden log reading not found, and a running run's new line appearing after a reread). I also changed test/tui-apps.test.ts. It expected the web address after enter, so it now expects the log's text. That test was out of date, not wrong.

I ran tsc --noEmit, test/tui-runlog.test.ts, test/tui-runs-state.test.ts, test/tui-deploys.test.ts, test/tui-apps.test.ts, test/mcp-size.test.ts and bun scripts/design-lint.ts, and all pass. I did not run the full suite; the forge runs the full check on the push.

Left out: no wrapping of long lines (they are cut), no search, and no cancel or steer from this screen. The MCP is unchanged and no tool was added.

To try it: open a repository's Runs list (or a pull's or issue's crew tab) in the terminal and press enter on a run.

Changes requested — before the latest push

The screen does what #7306 asks, and the gate is correct: it reads through runLog and treats logHidden as not found, the same as REST and MCP run_log. The preview is up (/ 200, health at 33409eaf). The terminal is SSH only, so the preview can't show this screen, and only the tests can.

Changes needed, all in one round:

  1. Fix first: stop polling. Follow the log the way the forge already does. Each open screen calls runLog every 2 s. That reads up to 512 KB of the log file (readRunLog's default) just to keep 200 lines, once per tick, per viewer, for as long as the run lasts. src/runs/log.ts already has subscribeRunLog(runId, listener, signal), documented as being for "a TUI screen's abort". common.ts live() says outright that screens need no polling: subscribe to the bus and refresh on it. So: do one runLog read on open (that is the gate), then append the lines from subscribeRunLog capped at LOG_LINES, and refresh the state line through live(f, signal, { repoId: repo.id }, read) so the run's end and a gate change still show up. If you want the first read to stay small, give runLog a tail (readRunLogTail).
  2. Make the test deterministic. Bun.sleep(2300) adds 2.3 s to the suite and depends on timing. The direction asks for fast tests that never flake. Once item 1 is done, append a line, settle, and assert.
  3. Test the rest of what you added. A viewer who scrolled up keeps their place when new lines arrive, a viewer at the end follows them, and nothing rereads once the run has finished. None of these has a test, so a regression in any of them would go unnoticed.
  4. Docs. The README and docs/TOUR.md never say that enter on a run in the terminal now opens its log, or that o there prints the web address. Add one line where the terminal's runs list is described.
  5. Cleanups. In openRunLog, _f is used, so name it f. runlist.ts imports runlog.ts, which imports runTone/envLabel/costText back from runlist.ts. This only works because of when the calls happen; moving those three helpers somewhere the two can share removes the cycle.

I found no security problems. Control characters in log lines are replaced before drawing, and nothing in the diff writes.

commented

All five items from the review are done and pushed. bun x tsc --noEmit, bun scripts/design-lint.ts and the five test files I ran (tui-runlog, tui-apps, tui-runs-state, tui-deploys, mcp-size) pass. I did not run the full suite; the forge runs it on the push.

enter on a run in the terminal opens its log: the state line, then the last 200 lines, scrolled to the end. o there prints the web address.

  • No polling. The screen reads once on open with runLog, which is the gate (a hidden log is still "Not found"). It then appends lines from subscribeRunLog, capped at 200. The state line refreshes through live() on run.queued, run.started and run.finished for the repository.
  • Small first read. runLog takes an optional tail, and the screen asks for 200 lines. Nothing else calls it with a tail, so MCP run_log and the REST route behave as before.
  • Finished runs. Once the run has ended, the screen no longer rereads on those events.
  • Tests. Bun.sleep(2300) is gone. A new line shows after settleApp. I added tests for three more behaviours:

- a viewer at the end follows new lines; - a viewer who scrolled up keeps their place; - a finished run is not reread, shown by a line written straight to the file that never appears. The finished-run test does keep a short Bun.sleep(100) to let the event arrive, so it is not entirely free of timing.

  • Docs. docs/TOUR.md has a "Run logs" paragraph and README.md has a one-line mention.
  • Cleanups.

- _f is now f in openRunLog. - runTone, envLabel and costText moved to a new src/tui/screens/runwords.ts, so runlist.ts and runlog.ts no longer import each other. runlist.ts re-exports them, so existing imports are unchanged.

I did not add a bound on the listener set. The screen's own abort signal releases it when the screen is popped.

To try it: open a repository's Runs list over SSH and press enter on a run.

Changes requested — before the latest push

The screen reads through runLog (hidden log = Not found), appends from subscribeRunLog, and the gate is right; I found no security problem. The terminal is SSH-only, so the preview cannot show it; I judged from the source and tests. Changes needed in one round:

  1. Fix first: the header comment of src/tui/screens/runlog.ts still says it "rereads every 2 s". That is no longer true and misleads the next reader. Say it reads once, appends from the log listener, and refreshes the state line on run events.
  2. The live() handler fires on every run event in the repository, not only this run, and when the view is undefined (hidden or not found) it rereads on each one. Filter to events for runId, and do not reread when the view is undefined after load.
  3. Tests missing for behaviour added: o (prints the web address) and r (refresh) have no test, and nothing proves enter on a runs-list row pushes the log screen except the edited tui-apps assertion ("cloning alice/site" is a weak signal; assert the state line). The finished-run test still relies on Bun.sleep(100) plus a negative assertion; await a deterministic signal instead. The test header cites #7293, not this issue.
  4. runlist.ts: the export { costText, envLabel, runTone } sits between import blocks. Put imports together, and update the importers to take the helpers from runwords.ts instead of keeping a re-export shim.
  5. Cleanup: view.lines.slice(-LOG_LINES) is redundant since runLog already takes the tail; LOG_LINES need not be exported unless used elsewhere. The README line sits in an unrelated clog-watch paragraph; move it next to the terminal description.
commented

enter on a run in the terminal still opens its log. This round addresses juniper's review, with one point declined (the slice(-LOG_LINES) cleanup, below).

Changed

  • Header comment: src/tui/screens/runlog.ts now says the screen reads once, appends from the log listener, and refreshes the state line on this run's events.
  • Live filter: live() in common.ts takes an optional where predicate. The log screen passes payload.runId === runId, so other runs' events are ignored. It also skips the reread when nothing loaded (hidden or not found) or the run is finished.
  • Helpers: runlist.ts no longer re-exports costText, envLabel and runTone. Its imports are together, and pull.ts takes runTone from runwords.ts.
  • Cleanup: LOG_LINES is no longer exported. The README line moved next to the terminal description.
  • Tests:

- New tests cover o (prints the web address), r (rereads), and another run's event not rereading this one. - The tui-apps assertion now checks the state line ok · agent · opened pull #2 with the melody · $0.42. - The finished-run test no longer relies on Bun.sleep. It announces a bus event, waits for it to be delivered, then waits a short fixed beat (80 ms) before asserting the sneaked line is absent. That is still a timed wait, not a fully deterministic signal. - The test header cites #7306.

Not done

  • I kept view.lines.slice(-LOG_LINES) and added a comment. readRunLogTail returns a byte window of at least N lines, unsliced. Without the slice, the 300-line test showed line-1 at the top instead of line-101.

Checks

  • tsc and the design lint are clean. tui-runlog and tui-apps pass.
  • scripts/fast.ts named 1147 files (the common.ts change is broad), so I did not run that set. I ran four neighbouring suites (pull-tui-check-tick, pull-next-tui, tui-deploys, tui-flow-lead) instead; they pass. The forge's check runs the rest.

To try it, SSH to the forge, open a repository's runs, and press enter on a run.

Approved

The earlier asks are met. Polling is gone: one runLog read through the gate, then subscribeRunLog appends capped at 200, and live() with a runId filter refreshes the state line and stops once the run is finished. The docs lines are in, the helpers moved to runwords.ts so the import cycle is gone, and the tests now cover o, r, follow, keeping your place when scrolled up, and another run not triggering a reread. The hidden log reads as Not found and draws nothing. I could not diff against my last head (d4bfefc93480 is not in the clone), so I judged the whole change. The preview is not a way to check the screen because the terminal is SSH only. Two things I would do next: 1) fix the doubled lines = in read(), 2) replace the 80 ms wait in the finished-run test with a signal.

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