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fix(display): Vegas resumes after live priority, and six smaller runtime fixes (#644)

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- Vegas: a live-priority pause was only lifted from inside run_frame(),
  which returns before that check while paused, so the ticker never came
  back until a restart. run_iteration() now resumes it (the controller
  only calls it when nothing preempts Vegas); start()/stop() clear the
  pause state. Iteration length is timed with the monotonic clock.
- Dim schedule: a per-day disabled day now updates the minute-gate cache,
  so brightness no longer flips back to dim within each minute.
- On-demand: a second request no longer overwrites the rotation resume
  index with the first request's mode.
- Render pipeline: reset() drops the prepared group and deferred queue,
  and a prefetch in flight across a reset discards its result.
- Sync: stop() removes the status file (and the controller's cleanup now
  calls it), standalone removes a stale one at startup, and writes use a
  unique mkstemp temp file.
- render_gate.swap_releases_gil() delegates to frame_timing.
- Stale docstrings/comments corrected.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-09-28 08:25:26 -04:00
committed by GitHub
co-authored by Claude Opus 5.5
parent bcef1957a9
commit 6bc13a8934
14 changed files with 401 additions and 32 deletions
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CHANGELOG.md
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@@ -37,6 +37,15 @@ accepts both, but the store flags the old spelling as deprecated
- `check_system_compatibility.sh` no longer reports installed packages as missing.
- A network failure fetching GitHub repo info logs a warning, not an error.
- Display runtime:
- Vegas comes back after live content interrupts it. It stayed paused, and the display fell back to normal rotation until a restart.
- A day with dimming turned off in a per-day dim schedule stays at normal brightness. Before, brightness went back to dim for most of each minute.
- Stopping on-demand after a second request resumes rotation where it was first interrupted, not at the first request's screen.
- Turning Vegas off and on no longer shows content prepared for the previous run, including plugins disabled in between.
- How long a Vegas iteration runs is timed with the monotonic clock, so an NTP clock step on a Pi without an RTC doesn't cut it short or stretch it.
- The sync status file is removed when the display service stops, and at startup in standalone mode, so the web UI no longer reports a peer from an earlier run. Concurrent writes each use their own temp file.
- `render_gate.swap_releases_gil()` delegates to `frame_timing.binding_releases_gil()` instead of duplicating it.
- Scripts and installer:
- `fix_web_permissions.sh` makes `safe_plugin_rm.sh` and `safe_pip_install.sh` root-owned again after resetting ownership. A web-user-owned copy of either is a root shell, since sudo lets the web user run them as root. It also restores `config_secrets.json` to mode 640.
- `configure_wifi_permissions.sh` checks its rules with `visudo -c` before installing them, and grants the NetworkManager captive-portal `cp` and `rm` commands `wifi_manager` runs.