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gurix 145c824eaa docs(04-02): complete visual polish plan

- Add 04-02-SUMMARY.md with animation and error handler results
- Update STATE.md with progress, decisions, metrics
- Update ROADMAP.md with plan progress
- Mark PLSH-01 through PLSH-05 complete in REQUIREMENTS.md

2026-03-29 18:17:34 +02:00

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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed

phase

plan

subsystem

tags

requires

provides

affects

tech-stack

key-files

key-decisions

patterns-established

requirements-completed

duration

completed

04-polish-audio

css-animations

responsive

error-handling

accessibility

phase	provides
03-gameplay	Lesson screen with falling letters, forest scene, companion area

Leaf-fall sinusoidal sway animation replacing letter-float

Stardust CSS particles on correct keypress dissolve

Companion avatar float animation

prefers-reduced-motion accessibility support

Responsive layout down to 700px

Global error handler with child-friendly overlay

added

patterns

CSS pseudo-element particles

prefers-reduced-motion media query

global error overlay pattern

created

modified

src/styles/main.css

src/main.ts

index.html

Stardust particles use box-shadow on pseudo-elements for 6 total sparkle points

Error overlay uses tree emoji and German child-friendly message

CSS-only particle effects via ::before/::after pseudo-elements with box-shadow

Global error/unhandledrejection handlers at top of main.ts entry point

PLSH-01

PLSH-02

PLSH-03

PLSH-04

PLSH-05

2min

2026-03-29

Phase 04 Plan 02: Visual Polish Summary

Leaf-fall sway animation, stardust particles, companion float, responsive to 700px, and global error overlay with child-friendly message

Performance

Duration: 2 min
Started: 2026-03-29T16:14:45Z
Completed: 2026-03-29T16:16:47Z
Tasks: 2
Files modified: 3

Accomplishments

Replaced letter-float with sinusoidal leaf-fall animation (lateral sway + vertical descent)
Added stardust CSS particles on .falling-letter--dissolve via ::before/::after pseudo-elements with box-shadow sparkle
Added companion-float animation for gentle avatar bobbing
Added prefers-reduced-motion media query disabling all animations
Added responsive styles at 700px (smaller keys, scaled fonts, adjusted grids)
Added global error handler catching uncaught exceptions with kindgerechtes overlay

Task Commits

Each task was committed atomically:

Task 1: Enhanced CSS animations + responsive layout - 3a79379 (feat)
Task 2: Global error handler + error overlay - f3cb948 (feat)

Files Created/Modified

src/styles/main.css - Leaf-fall, stardust, companion-float keyframes; error overlay styles; reduced-motion + responsive media queries
src/main.ts - Global error + unhandledrejection event listeners
index.html - Error overlay div with tree icon, message, and reload button

Decisions Made

Stardust particles use box-shadow on pseudo-elements for 6 total sparkle points (efficient, pure CSS)
Error overlay uses tree emoji and German child-friendly message ("Oh, der Wald braucht kurz eine Pause...")

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None

User Setup Required

None - no external service configuration required.

Next Phase Readiness

All visual polish complete (animations, responsive, error handling)
Ready for remaining Phase 04 plans (audio, export/import)

Phase: 04-polish-audio Completed: 2026-03-29

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