Goals are now funded entirely through tagged transactions — no more
manually-maintained saved_cents. Free cash waterfall (income → living →
goals → free cash) is the single source of truth for where money goes.
Core changes:
- Transaction.GoalID field links outflows to goals; SavedCents is derived
via MongoDB aggregation (getGoalFundedCentsAll) instead of stored
- Waterfall on dashboard and goals page splits outflows into living vs
goal-funded using GoalID presence
- ImpactOnDisposable fixed: uses income−living−monthlyCents instead of
waterfallFreeCash−monthlyCents (was double-subtracting goal spend)
- avgMonthlySavings fixed: divides by positive-saving months only, and
uses year+month key to avoid Dec cross-year collision
Interactive waterfall drill-down:
- Click Income / Living / Goals rows to expand category breakdown
- Click a category to reveal individual transactions inline
- All rendered server-side (instant, no extra API call)
- New WaterfallRow type + IncomeCats/LivingCats/IncomeCatTxns/LivingCatTxns
on DashboardData
Goals page:
- Summary cards switched from heuristic disposable/committed to waterfall
- Each goal card shows funding history (last 5 tagged transactions)
- "Fund this goal" button links to /transactions?fund_goal=<id>
Transactions page:
- Add Transaction modal has goal picker dropdown
- submitAdd() includes goal_id in POST body
- Auto-opens modal pre-selected when arriving from goals page
Seed:
- seedGoalTransactions() back-fills tagged contributions for all 4 demo
goals (Emergency fund, House down payment, Japan trip, MacBook Pro)
- Idempotent — skips if goal-tagged transactions already exist
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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