- Sidebar: hidden on mobile, opens as slide-out drawer with hamburger
toggle; auto-closes on navigation; desktop layout unchanged
- Layout: responsive padding accounting for mobile header bar
- Rules: add tag as a condition field (has/not-has tag)
- Rules: apply a single rule via per-rule Apply button
- Rules: splits-from defaults to 2026-01-09
- POST /api/rules/apply — run all enabled rules against unmatched transactions
- POST /api/rules/apply/:id — apply a single rule by id
- DELETE /api/rules/apply/:id — revert a rule run (remove applied splits)
- Rules page: show run history with revert button, apply individual rules
Add rules engine with CRUD API, condition/action evaluation, and apply-all endpoint.
UI: rule builder form with field/operator/value conditions, tag multi-select, apply button with result stats.
siddharthd