---
phase: 17-chat-planning
plan: "02"
subsystem: ui
tags: [planning, ui, css, templ, tdd, go-backend]
dependency_graph:
  requires: [17-01]
  provides: [PlanningMainContent, PlanningTabData, NewPlanningTabData, PlanningShowDaySeparator, overview-section-heading-h1-css]
  affects: [go-backend/internal/web/views, go-backend/internal/web/handlers, go-backend/internal/web/ui]
tech_stack:
  added: []
  patterns: [templ components, view model factory, TDD RED/GREEN, day-separator conditional rendering]
key_files:
  created:
    - go-backend/internal/web/views/planning_view.go
    - go-backend/internal/web/views/planning_view_test.go
  modified:
    - go-backend/internal/web/ui/app.css
    - go-backend/internal/web/views/dashboard_components.templ
    - go-backend/internal/web/views/dashboard_components_templ.go
    - go-backend/internal/web/handlers/auth.go
decisions:
  - "PlanningShowDaySeparator lives in planning_view.go (path adaptation from CONTEXT.md D-P02 which named planning_forms.go — that file doesn't exist in go-backend/)"
  - "data-day-separator attribute on separator div makes render tests stable — asserts presence without coupling to Tailwind class names"
  - "NewPlanningTabData() returns 5 hardcoded demo events across 2 dates — restyling-only slice, no real data layer needed in go-backend/"
  - "Empty state uses ui.EmptyState with Icon calendar — matches EmptyState usage pattern from tablos.templ"
  - "backend/ planning page (the real running app) was already restyled in Plan 17-01 commit 56194cf — no duplicate work needed"
metrics:
  duration: "~15min"
  completed: "2026-05-17"
  tasks: 3
  files: 6
---

# Phase 17 Plan 02: Planning Page Restyle Summary

**TDD RED/GREEN cycle for the go-backend/ planning view: overview-section heading with h1, day-separated event list using PlanningShowDaySeparator, and empty-state via ui.EmptyState — CSS h1 selector also extended.**

## Performance

- **Duration:** ~15min
- **Started:** 2026-05-17T10:10:00Z
- **Completed:** 2026-05-17T10:25:00Z
- **Tasks:** 3 (2 auto-TDD + 1 browser checkpoint auto-approved)
- **Files modified:** 6

## Accomplishments

- `go-backend/internal/web/ui/app.css`: `.overview-section-heading h1` prepended to the heading selector — h1 now inherits 1.6rem 600-weight style matching h3 section headings
- `go-backend/internal/web/views/planning_view.go`: `PlanningEventRow`, `PlanningTabData`, `NewPlanningTabData` (5 demo events across 2 dates), `PlanningShowDaySeparator` — view model + day-separator logic
- `go-backend/internal/web/views/planning_view_test.go`: `TestPlanningShowDaySeparator` (table-driven logic tests GREEN), `TestPlanningMainContentRendersOverviewSection` (render assertions)
- `go-backend/internal/web/views/dashboard_components.templ`: `PlanningMainContent(data PlanningTabData)` replaces the zero-arg stub — renders overview-section heading (h1), day separators with `data-day-separator="true"`, event rows, empty state
- `go-backend/internal/web/handlers/auth.go`: `GetPlanningPage` passes `views.NewPlanningTabData()` to `views.PlanningMainContent()`
- Full test suite passes: `go test ./... -count=1` exits 0
- Task 3 (browser verify): auto-approved (auto_advance = true)

## Task Commits

1. **Task 1: CSS h1 selector fix + view model + render and logic tests (RED)** — `1afc39e` (test)
2. **Task 2: PlanningMainContent() templ component + handler wiring (GREEN)** — `9fe6c89` (feat)
3. **Task 3 (checkpoint) — browser verify** — auto-approved

## Files Created/Modified

- `go-backend/internal/web/views/planning_view.go` — PlanningEventRow, PlanningTabData, NewPlanningTabData, PlanningShowDaySeparator
- `go-backend/internal/web/views/planning_view_test.go` — TestPlanningShowDaySeparator, TestPlanningMainContentRendersOverviewSection
- `go-backend/internal/web/ui/app.css` — h1 prepended to .overview-section-heading selector
- `go-backend/internal/web/views/dashboard_components.templ` — PlanningMainContent replaced
- `go-backend/internal/web/views/dashboard_components_templ.go` — regenerated by templ generate
- `go-backend/internal/web/handlers/auth.go` — GetPlanningPage passes NewPlanningTabData()

## Decisions Made

- `planning_view.go` chosen as the file location for `PlanningShowDaySeparator` (CONTEXT.md D-P02 referenced `planning_forms.go` but that file doesn't exist in go-backend/ — path adaptation, not decision override)
- Demo data uses 5 hardcoded events across 2 date labels — ensures separator renders correctly (2 separators visible in demo)
- `data-day-separator="true"` attribute added to separator div — render test asserts this attribute, decoupled from Tailwind class names
- backend/ planning page was already done in Plan 17-01 (commit 56194cf) — no duplicate work

## Deviations from Plan

None — plan executed exactly as written.

The critical_context note was accurate: backend/ planning.templ and app.css were already updated in Plan 17-01. Plan 17-02's scope is the go-backend/ TDD prototype implementation, which was not yet done. All 4 go-backend/ artifacts were created fresh in this plan.

## TDD Gate Compliance

- RED commit `1afc39e`: view model + logic tests + render test (package build failure confirmed — `PlanningMainContent` zero-arg vs one-arg mismatch)
- GREEN commit `9fe6c89`: templ component + handler wiring (`go test ./... -count=1` exits 0)
- No REFACTOR commit needed.

## Verification

```
go test ./internal/web/views/ -run TestPlanningShowDaySeparator -count=1  → PASS
go test ./internal/web/views/ -run TestPlanningMainContentRendersOverviewSection -count=1  → PASS
go test ./internal/web/views/ -run TestPlanning -count=1  → PASS
go test ./... -count=1  → all packages pass
go build ./...  → exits 0
```

## Known Stubs

- `NewPlanningTabData()` returns hardcoded demo data — intentional per plan scope note. Real data wiring deferred to when go-backend/ gets a live data layer. The real running backend/ app already uses live database queries via `handlers_planning.go` and `planning_forms.go`.

## Threat Flags

No new threat surface introduced. All `{ expr }` interpolations in `PlanningMainContent` use templ auto-escaping for DateRange, DateLabel, TimeRange, Title, TabloTitle, Location. T-17-02-01 mitigated. T-17-02-02 accepted (auth unchanged, demo data only in go-backend/).

## Self-Check: PASSED

Commits confirmed in git log: 1afc39e, 9fe6c89.
Files confirmed:
- go-backend/internal/web/views/planning_view.go — exists
- go-backend/internal/web/views/planning_view_test.go — exists
- go-backend/internal/web/ui/app.css — h1 selector present
- go-backend/internal/web/views/dashboard_components.templ — PlanningMainContent updated
- go-backend/internal/web/handlers/auth.go — NewPlanningTabData() call present
