Backend (hive-c0re):
- build_logs.rs: add tokio::sync::broadcast::Sender<i64> to BuildLogs;
append() and finish() notify subscribers after each sqlite write.
Add BuildLogProgress struct and get_progress(id, stdout_cursor,
stderr_cursor) for incremental delta reads.
- dashboard.rs: two new endpoints —
GET /api/build-logs/id/{id}/stream SSE; streams BuildLogFrame
{stdout_append, stderr_append, status?, done} deltas until the
build finishes or the browser disconnects. Backed by an mpsc
channel task that watches the per-build broadcast notifications.
GET /api/build-logs/id/{id}/raw text/plain download with
Content-Disposition: attachment; filename build-log-{agent}-{id}.txt
Frontend (dashboard):
- tabs.js: running builds (status === null) connect an EventSource to
/stream and append lines live; "live" badge pulses amber while active,
flips to ok/fail on done. Finished builds still use the JSON fetch path.
Collapsing a running panel closes the EventSource; re-expanding
reconnects. Adds a "⬇ raw" download link to every expanded row.
- dashboard.css: .build-logs-dl inline download link; .build-logs-live
live pulse @keyframes animation.
Docs: web-ui.md updated for all three new endpoints + behaviour.
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