chore: archive v1.0 phase directories

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---
phase: 03-collapsible-dashboard-sections
plan: 02
type: execute
wave: 2
depends_on:
- 03-01
files_modified:
- src/pages/DashboardPage.tsx
- src/components/dashboard/DashboardSkeleton.tsx
autonomous: false
requirements:
- UI-DASH-01
- UI-COLLAPSE-01
must_haves:
truths:
- "Each non-empty category group renders as a collapsible section between charts and QuickAdd"
- "Over-budget sections auto-expand on load (direction-aware: spending overspent, income/savings under-earned/saved)"
- "On/under-budget sections start collapsed"
- "Empty category groups are hidden entirely"
- "Expand/collapse state resets when navigating months"
- "Toggling sections does not produce ResizeObserver loop errors or chart resize jank"
- "Collapsible sections animate open/close smoothly with no flicker on mount"
- "DashboardSkeleton mirrors the sections area layout"
artifacts:
- path: "src/pages/DashboardPage.tsx"
provides: "groupedSections useMemo, openSections state, CollapsibleSections rendering"
contains: "groupedSections"
- path: "src/components/dashboard/DashboardSkeleton.tsx"
provides: "Skeleton placeholders for collapsible sections area"
contains: "Skeleton"
key_links:
- from: "src/pages/DashboardPage.tsx"
to: "src/components/dashboard/CollapsibleSections.tsx"
via: "renders CollapsibleSections with grouped data and open state"
pattern: "CollapsibleSections.*groups.*openSections"
- from: "src/pages/DashboardPage.tsx"
to: "useBudgetDetail items"
via: "groupedSections useMemo derives groups from items"
pattern: "groupedSections.*useMemo.*items\\.filter"
---
<objective>
Wire the collapsible sections into DashboardContent with smart expand/collapse defaults, month-navigation state reset, and chart isolation. Update DashboardSkeleton.
Purpose: Complete the dashboard hybrid view by integrating the CategorySection/CollapsibleSections components built in Plan 01 into the live dashboard page with all the required state management.
Output: Fully functional collapsible sections on the dashboard, DashboardSkeleton updated.
</objective>
<execution_context>
@/home/jlmak/.claude/get-shit-done/workflows/execute-plan.md
@/home/jlmak/.claude/get-shit-done/templates/summary.md
</execution_context>
<context>
@.planning/PROJECT.md
@.planning/ROADMAP.md
@.planning/STATE.md
@.planning/phases/03-collapsible-dashboard-sections/03-CONTEXT.md
@.planning/phases/03-collapsible-dashboard-sections/03-RESEARCH.md
@.planning/phases/03-collapsible-dashboard-sections/03-VALIDATION.md
@.planning/phases/03-collapsible-dashboard-sections/03-01-SUMMARY.md
@src/pages/DashboardPage.tsx
@src/components/dashboard/DashboardSkeleton.tsx
@src/components/dashboard/CollapsibleSections.tsx
@src/components/dashboard/CategorySection.tsx
<interfaces>
<!-- Interfaces created by Plan 01 that this plan consumes. -->
From src/components/dashboard/CollapsibleSections.tsx (created in Plan 01):
```typescript
interface GroupData {
type: CategoryType
label: string
items: BudgetItem[]
budgeted: number
actual: number
}
interface CollapsibleSectionsProps {
groups: GroupData[]
currency: string
openSections: Record<string, boolean>
onToggleSection: (type: string, open: boolean) => void
t: (key: string, opts?: Record<string, unknown>) => string
}
export function CollapsibleSections(props: CollapsibleSectionsProps): JSX.Element
```
From src/pages/DashboardPage.tsx (current state after Plan 01):
```typescript
// DashboardContent receives { budgetId: string }
// Uses useBudgetDetail(budgetId) -> { budget, items, loading }
// Already has: totalIncome, totalExpenses, budgetedIncome, budgetedExpenses, pieData, incomeBarData, spendBarData useMemos
// Already has: carryover subtitle computation from Plan 01
// Layout: SummaryStrip -> chart grid -> QuickAdd
// Collapsible sections insert between chart grid and QuickAdd
```
From src/lib/types.ts:
```typescript
export type CategoryType = "income" | "bill" | "variable_expense" | "debt" | "saving" | "investment"
export interface BudgetItem { id: string; budgeted_amount: number; actual_amount: number; category?: Category }
```
</interfaces>
</context>
<tasks>
<task type="auto">
<name>Task 1: Wire collapsible sections into DashboardContent with smart defaults</name>
<files>src/pages/DashboardPage.tsx, src/components/dashboard/DashboardSkeleton.tsx</files>
<action>
**1. Add imports to DashboardPage.tsx:**
```typescript
import { useState, useMemo, useEffect } from "react" // add useState, useEffect
import { CollapsibleSections } from "@/components/dashboard/CollapsibleSections"
```
**2. Add CATEGORY_TYPES_ALL constant (near top, alongside existing EXPENSE_TYPES):**
```typescript
const CATEGORY_TYPES_ALL: CategoryType[] = [
"income",
"bill",
"variable_expense",
"debt",
"saving",
"investment",
]
```
**3. Add isOverBudget helper function at module level (near constants):**
```typescript
function isOverBudget(type: CategoryType, budgeted: number, actual: number): boolean {
if (type === "income" || type === "saving" || type === "investment") {
return actual < budgeted // under-earned / under-saved
}
return actual > budgeted // overspent
}
```
**4. Add groupedSections useMemo in DashboardContent:**
Place after the existing `spendBarData` useMemo and BEFORE the early returns (`if (loading)` / `if (!budget)`). This follows the established hooks-before-returns pattern from Phase 2.
```typescript
const groupedSections = useMemo(() =>
CATEGORY_TYPES_ALL
.map((type) => {
const groupItems = items.filter((i) => i.category?.type === type)
if (groupItems.length === 0) return null
const budgeted = groupItems.reduce((s, i) => s + i.budgeted_amount, 0)
const actual = groupItems.reduce((s, i) => s + i.actual_amount, 0)
return {
type,
label: t(`categories.types.${type}`),
items: groupItems,
budgeted,
actual,
}
})
.filter((g): g is NonNullable<typeof g> => g !== null),
[items, t]
)
```
**5. Add openSections state and reset effect (after groupedSections, before early returns):**
```typescript
const [openSections, setOpenSections] = useState<Record<string, boolean>>(() =>
Object.fromEntries(
groupedSections.map((g) => [g.type, isOverBudget(g.type, g.budgeted, g.actual)])
)
)
// Reset expand state when month (budgetId) changes
useEffect(() => {
setOpenSections(
Object.fromEntries(
groupedSections.map((g) => [g.type, isOverBudget(g.type, g.budgeted, g.actual)])
)
)
}, [budgetId]) // budgetId changes on month navigation; groupedSections flows from it
```
IMPORTANT: `useState` and `useEffect` must be called before any early returns (hooks rules). The ordering in DashboardContent should be:
1. All existing useMemo hooks (totalIncome, etc.)
2. groupedSections useMemo (new)
3. openSections useState (new)
4. openSections useEffect (new)
5. Early returns (loading, !budget)
6. Computed values and JSX
**6. Add handleToggleSection callback (after early returns, before JSX return):**
```typescript
const handleToggleSection = (type: string, open: boolean) => {
setOpenSections((prev) => ({ ...prev, [type]: open }))
}
```
**7. Update the JSX layout in DashboardContent:**
Insert `CollapsibleSections` between the chart grid `</div>` and the QuickAdd `<div>`:
```tsx
{/* Collapsible category sections */}
{groupedSections.length > 0 && (
<CollapsibleSections
groups={groupedSections}
currency={currency}
openSections={openSections}
onToggleSection={handleToggleSection}
t={t}
/>
)}
```
The final DashboardContent JSX order becomes:
1. SummaryStrip
2. Chart grid (3-column)
3. CollapsibleSections (new)
4. QuickAdd button
**8. Update DashboardSkeleton (src/components/dashboard/DashboardSkeleton.tsx):**
Add skeleton placeholders for the collapsible sections area. After the chart grid skeleton div, add:
```tsx
{/* Collapsible sections skeleton */}
<div className="space-y-3">
{[1, 2, 3].map((i) => (
<div key={i} className="flex items-center gap-3 rounded-md border-l-4 border-muted bg-card px-4 py-3">
<Skeleton className="size-4" />
<Skeleton className="h-4 w-32" />
<div className="ml-auto flex items-center gap-2">
<Skeleton className="h-5 w-24 rounded-full" />
<Skeleton className="h-5 w-24 rounded-full" />
<Skeleton className="h-4 w-16" />
</div>
</div>
))}
</div>
```
This mirrors 3 collapsed section headers (the most common default state), matching the real CategorySection header structure.
</action>
<verify>
<automated>cd /home/jlmak/Projects/jlmak/SimpleFinanceDash && bun run lint && bun run build</automated>
</verify>
<done>
- DashboardContent derives groupedSections from items via useMemo (filters empty groups, computes totals)
- openSections state initializes with direction-aware smart defaults (over-budget expanded, others collapsed)
- openSections resets via useEffect keyed on budgetId (month navigation)
- CollapsibleSections renders between chart grid and QuickAdd
- All hooks declared before early returns (Rules of Hooks compliance)
- DashboardSkeleton includes section header placeholders
- Lint and build pass
</done>
</task>
<task type="checkpoint:human-verify" gate="blocking">
<name>Task 2: Verify collapsible sections and carryover display</name>
<files>none</files>
<action>
Human verification of the complete Phase 3 feature set. No code changes — this is a visual/functional verification checkpoint.
**What was built across Plan 01 and Plan 02:**
- Collapsible per-category sections between charts and QuickAdd
- Smart expand/collapse defaults (over-budget sections auto-expand)
- Carryover subtitle on balance card when non-zero
- Smooth expand/collapse animation
- Direction-aware difference coloring
- DashboardSkeleton updated with section placeholders
</action>
<verify>
<automated>cd /home/jlmak/Projects/jlmak/SimpleFinanceDash && bun run build</automated>
</verify>
<done>Human approves all 11 verification checks pass</done>
<what-built>
Complete dashboard hybrid view with:
- Collapsible per-category sections between charts and QuickAdd
- Smart expand/collapse defaults (over-budget sections auto-expand)
- Carryover subtitle on balance card when non-zero
- Smooth expand/collapse animation
- Direction-aware difference coloring
</what-built>
<how-to-verify>
1. Run `cd /home/jlmak/Projects/jlmak/SimpleFinanceDash && bun run dev` and open http://localhost:5173
2. **Collapsible sections visible:** Navigate to a month with budget items. Verify collapsible sections appear below the chart grid and above the QuickAdd button.
3. **Section header design:** Each section should have:
- Thick colored left border (category color)
- Chevron icon on the left
- Category group label (e.g., "Income", "Bills")
- Two badges on the right: "Budgeted $X" and "Actual $X"
- Color-coded difference (green for on-budget, red for over-budget)
4. **Smart defaults:** If any category group is over-budget (e.g., spending actual > budget), that section should be expanded on page load. On-budget sections should be collapsed.
5. **Expand/collapse animation:** Click a section header. It should expand with a smooth 200ms animation. Click again to collapse. No layout jank in the charts above.
6. **Line-item table:** Expanded sections show a 4-column table: Item Name, Budgeted, Actual, Difference. Footer row with bold group totals.
7. **Empty groups hidden:** If a category type has zero budget items, it should not appear at all.
8. **Month navigation reset:** Expand/collapse some sections, then navigate to a different month. Smart defaults should recalculate.
9. **Carryover display:** If the budget has a non-zero `carryover_amount`, the balance card should show "Includes $X carryover" in small text below the balance value. If carryover is zero, no subtitle should appear.
10. **Rapid toggle:** Toggle sections open/closed rapidly 10+ times. Check browser console (F12) for "ResizeObserver loop" errors.
11. **Chevron rotation:** When a section is expanded, the chevron should rotate 90 degrees (pointing down). When collapsed, it should point right.
</how-to-verify>
<resume-signal>Type "approved" or describe any issues found</resume-signal>
</task>
</tasks>
<verification>
- `bun run lint` passes
- `bun run build` succeeds
- Dashboard renders collapsible sections for all non-empty category groups
- Over-budget sections auto-expand, on-budget sections start collapsed
- Section headers show correct badges, left border accent, and difference
- Line-item tables have 4 columns with footer totals
- Carryover subtitle displays on balance card when non-zero
- Expand/collapse animation is smooth, no ResizeObserver errors
- Month navigation resets expand/collapse state
</verification>
<success_criteria>
- All 4 ROADMAP success criteria for Phase 3 are met:
1. Category groups render as collapsible sections with color-accented headers, budgeted/actual totals, and difference
2. Expanding reveals line-item table, collapsing hides it with smooth animation, no chart jank
3. Rapid toggling produces no ResizeObserver loop errors
4. Carryover amount visible on balance card when non-zero
- Human verification checkpoint passes
</success_criteria>
<output>
After completion, create `.planning/phases/03-collapsible-dashboard-sections/03-02-SUMMARY.md`
</output>