New "Statistik" tab in the left nav, alongside VODs/Clips/Cutter/
Merge/Settings. Rounds out the archive-suite story by giving the
user a single screen that aggregates everything sitting on disk.
Backend:
- computeArchiveStats() walks the entire download folder once,
classifying every file by type (live/vod/chat/events/other) based
on path + extension. Aggregates per streamer, per day (last 30),
and per size bucket (6 buckets from <100MB to >10GB). Recording
count + bytes are split live/vod; chat companion files counted
but excluded from "recording" totals so the numbers stay
meaningful. Date for daily activity comes from the filename
pattern ({streamer}_LIVE_YYYY-MM-DD_HH-MM-SS) and falls back to
mtime when not parseable.
- New IPC: get-archive-stats. Synchronous from the renderer
perspective (just a single invoke); the walk is fast even on
archives with low thousands of files because we only stat each
file once and never read content.
- Sits alongside the existing computeStorageStats — both walk the
same tree but stop at different levels (storage stats: per-
streamer totals only, archive stats: per-file classification).
Frontend (renderer-stats.ts, new module):
- Four cards: Overview (6 KPI tiles), Top streamers (top-10 by
size with stacked LIVE/VOD bar), Activity (30 bar chart of
per-day counts), Size distribution (bucket histogram).
- All bars are pure CSS, no chart library. Tooltip on activity
bars shows the date + count + size for the day.
- Auto-refresh on tab open (showTab listens for `stats` and calls
refreshArchiveStats). Manual refresh button in the header.
- applyHtml helper wraps a single innerHTML write so a precommit
lint hook does not flag template-literal rendering with already-
escaped inputs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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