Three UX upgrades to the main SFM webapp at /, all reinforcing the
'browse stored events' flow as the primary entry point:
1. Default section is now Database, not Live Device. Most users land
here to look at stored events; Live Device is opt-in (click the tab
to talk to a unit). Initial history + units fetch fires on first
paint so the table is populated when the page loads.
2. History table columns are sortable. Click any header to sort:
timestamp, serial, per-channel PPV (Tran/Vert/Long), PVS, mic dB(L),
project, client, type, key. Default direction varies by column type
(desc for numbers + timestamps, asc for text). Sort arrows appear
in the active column header. Headers are sticky so they stay
visible while scrolling.
3. Click-event-to-see-waveform. The existing sidecar review modal now
renders the 4-channel waveform plot inline at the top, fetched from
/db/events/{id}/waveform.json in parallel with the sidecar fetch.
Channels stacked MicL / Long / Vert / Tran (Instantel printout
order), shared bottom time axis, dashed trigger line + triangle
markers at t=0, zero baseline with "0.0" label on the right edge,
peak callouts per channel. Charts cleaned up on modal close.
Resolves the "where is the viewer" surprise — operators no longer need
to know about the /events route to see waveforms.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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