feat: Admin Insights page — charts for signups, recipes, tiers, usage (v0.55.0)

New Admin > Insights: signups/day and recipes-created/day (manual vs AI)
over the last 30 days, users by tier, recipes by visibility, monthly AI
call totals (6 months), and support tickets by status.

Two hand-rolled SVG chart components (bar-chart.tsx, time-series-chart.tsx)
instead of pulling in a charting library — avoids a new dependency and
any React 19 peer-dep risk. Both ship a hover tooltip (crosshair for the
time series, per-bar for the bar chart) and a "show as table" toggle per
the dataviz method's accessibility requirement.

Repurposed the app's existing (previously unused, grayscale-only)
shadcn --chart-1..5 CSS variables with a validated categorical palette —
run through the dataviz skill's CVD/contrast validator for both light and
dark surfaces (both pass; three light-mode slots fall under 3:1 contrast
by design, mitigated by the charts' direct value/axis labels).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Arnaud
2026-07-19 20:02:58 +02:00
parent 44df734f1c
commit cf7cc6c885
9 changed files with 480 additions and 14 deletions
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All notable changes to Epicure are documented here. This file is mirrored in-app at `/changelog` (and in the admin dashboard) via `apps/web/lib/changelog.ts` — update both together.
## 0.55.0 — 2026-07-19 17:50
### Added
- New Admin > Insights page — signups and recipes-created over the last 30 days, users by tier, recipes by visibility, monthly AI usage, and support tickets by status. Charts are hand-built (hover tooltips, table-view fallback, colorblind-safe palette), no new dependency.
## 0.54.1 — 2026-07-19 17:25
### Added