feat(signals): analytics dashboard facelift (BETON-350)#66
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feat(signals): analytics dashboard facelift (BETON-350)#66
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…tion Implements the signal analytics facelift (BETON-350) covering: - Migration 025: signal_analytics_snapshots, signal_cohort_retention, signal_conversion_curves, posthog_property_mappings, attio_deal_mappings tables with RLS policies and triggers - Signal definitions: add conversion_type and retention_event_name columns - Analytics API: GET /api/signals/[id]/analytics with window/range filtering - PostHog property mappings API: GET/PUT /api/integrations/posthog/mappings - Attio deal mappings API: GET/PUT /api/integrations/attio/deal-mappings - Canvas chart components: RevenueChart, DualLineChart, AreaChart, RetentionTable - Signal detail page facelift: 4 KPI cards, 6 chart types, cohort retention heatmap, time-to-conversion curves, filter controls - Demo mode mock analytics data matching design sketch Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Signal list page: enhanced stats cards with top signal, confidence count, and contextual sub-labels - Analytics computation engine: pure functions for computing monthly snapshots, cohort retention (M0-M8), and time-to-conversion curves - Chi-squared statistical significance testing with p-value computation - Supports all 5 conversion windows + no-limit mode Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
25 tests covering: - Chi-squared test: empty/zero tables, significant/non-significant differences, symmetry, large samples - p-value to significance conversion: edge cases, clamping - Monthly snapshots: window filtering, occurrence counting, conversion rate computation, statistical significance - Cohort retention: all tab/stat combinations, user tracking - Conversion curves: period/cumulative consistency, normalization Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Implements the Signal Analytics Facelift epic (BETON-350) — a complete rebuild of the signal detail page with rich analytics and the foundation for pre-computed signal insights.
What changed
signal_analytics_snapshots,signal_cohort_retention,signal_conversion_curves,posthog_property_mappings,attio_deal_mappings) with full RLS policiesconversion_type(posthog_event/attio_deal_won/either) andretention_event_namecolumns/api/signals/[id]/analytics), PostHog property mappings, Attio deal mappingsTasks completed
Remaining tasks (follow-up PRs)
Test plan
npm run buildpassesvitest run src/lib/heuristics/analytics/)/signals/sig_001)🤖 Generated with Claude Code