Files
Jean-Luc Makiola bf270e96d8 docs(09-02): complete weight breakdown visualization plan
- Create 09-02-SUMMARY.md with execution results
- Update STATE.md with completion status and decisions
- Mark CLAS-02, VIZZ-01, VIZZ-02, VIZZ-03 requirements complete
2026-03-16 15:23:55 +01:00

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---
phase: 09-weight-classification-and-visualization
plan: 02
subsystem: ui
tags: [react, recharts, donut-chart, tailwind, weight-visualization, pie-chart]
# Dependency graph
requires:
- phase: 09-weight-classification-and-visualization
provides: classification column on setupItems, getSetupWithItems returns classification field, SetupItemWithCategory type
provides:
- WeightSummaryCard component with donut chart and classification subtotals
- Pill toggle for category/classification chart views
- Recharts integration (PieChart, Pie, Cell, Tooltip, Label, ResponsiveContainer)
- Custom tooltip with formatted weight and percentage display
affects: []
# Tech tracking
tech-stack:
added: [recharts]
patterns: [donut chart with center label, pill toggle view switcher, chart data transformation from items array]
key-files:
created:
- src/client/components/WeightSummaryCard.tsx
modified:
- src/client/routes/setups/$setupId.tsx
- package.json
key-decisions:
- "Recharts v3 Cell component used for per-slice colors (still functional, deprecated for v4)"
- "Fixed numeric height on ResponsiveContainer (180px) to avoid zero-height rendering"
- "Zero-weight items filtered out before chart data to prevent invisible/NaN slices"
patterns-established:
- "Donut chart: PieChart with Pie innerRadius/outerRadius and Label position=center for hole text"
- "Chart data transformation: group items by key, sum weights, compute percentages, filter zeroes"
- "Pill toggle view switcher: reusable pattern for switching between data breakdowns"
requirements-completed: [CLAS-02, VIZZ-01, VIZZ-02, VIZZ-03]
# Metrics
duration: 2min
completed: 2026-03-16
---
# Phase 9 Plan 2: Weight Breakdown Visualization Summary
**Recharts donut chart with category/classification toggle, weight subtotals card, and hover tooltips inside setup detail page**
## Performance
- **Duration:** 2 min
- **Started:** 2026-03-16T14:18:52Z
- **Completed:** 2026-03-16T14:20:57Z
- **Tasks:** 1 (+ 1 auto-approved checkpoint)
- **Files modified:** 4
## Accomplishments
- Created WeightSummaryCard component with donut chart visualization using Recharts
- Implemented pill toggle switching between category and classification chart views
- Built weight subtotals display (Base | Worn | Consumable | Total) with colored indicator dots
- Added custom tooltip showing segment name, formatted weight, and percentage on hover
- Rendered total weight in center of donut hole using selected weight unit
- Wired WeightSummaryCard into setup detail page below sticky bar (only when items exist)
- Handled edge case of zero-weight items with placeholder message
## Task Commits
Each task was committed atomically:
1. **Task 1: Install Recharts, create WeightSummaryCard, wire into setup detail page** - `d098277` (feat)
## Files Created/Modified
- `src/client/components/WeightSummaryCard.tsx` - New component with donut chart, pill toggle, subtotals, and custom tooltip
- `src/client/routes/setups/$setupId.tsx` - Added WeightSummaryCard import and rendering inside itemCount > 0 block
- `package.json` - Added recharts dependency
- `bun.lock` - Updated lockfile with recharts and its dependencies
## Decisions Made
- Used Recharts v3 Cell component for per-slice colors (functional in v3, deprecated for v4 removal)
- Fixed 180px height on ResponsiveContainer to prevent zero-height rendering issue
- Filter zero-weight entries before passing to chart to avoid invisible/NaN segments
- Default view mode is "category" (most useful initial view for gear analysis)
## Deviations from Plan
None - plan executed exactly as written.
## Issues Encountered
None
## User Setup Required
None - no external service configuration required.
## Next Phase Readiness
- Phase 9 complete: classification badges + weight visualization both functional
- All 121 tests pass, build succeeds, lint clean on modified files
- Recharts available for any future chart features
## Self-Check: PASSED
All 3 files verified present. Task commit (d098277) confirmed in git history. recharts found in package.json. WeightSummaryCard found in $setupId.tsx.
---
*Phase: 09-weight-classification-and-visualization*
*Completed: 2026-03-16*