Zauberwald/.planning/phases/05-multi-wald-system-wald-pagination-und-navigation-zwischen-w-ldern/05-02-SUMMARY.md

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
05-multi-wald-system-wald-pagination-und-navigation-zwischen-w-ldern	02	ui	forest pagination navigation indexeddb animation	phase provides 05-01 renderForestScene with page param, SLOTS_PER_PAGE constant, currentForestPage in Progress	Arrow navigation between forest pages (prev/next buttons wired in initForestScreen) currentForestPage persisted to IndexedDB on every navigation Fade-out/fade-in opacity transition on page change Post-lesson "Zurück zum Wald" navigates to page containing new element slotIndex in reward.ts uses SLOTS_PER_PAGE constant (no more hardcoded 12)	forest navigation flow reward screen back-to-forest flow	added patterns navigateToPage closure captures currentPage in initForestScreen for correct button wiring saveProgress called with fresh getProgress read to avoid stale data on navigation	created modified src/forest/scene.ts src/forest/reward.ts src/app.ts	navigateToPage in initForestScreen reads fresh progress before saving to avoid overwriting concurrent changes Zurück zum Wald computes newPage from elements.length before initForestScreen to control which page is shown Fade animation uses grid.style.opacity toggle with requestAnimationFrame for natural transition	Pattern: Page persistence reads fresh progress (getProgress) rather than mutating stale reference	MWLD-05 MWLD-06 MWLD-07	2min	2026-03-29

Phase 05 Plan 02: Multi-Wald Navigation Summary

Arrow navigation between forest pages with IndexedDB persistence, fade animation, and correct post-lesson page targeting

Performance

• Duration: 2 min
• Started: 2026-03-29T21:01:24Z
• Completed: 2026-03-29T21:03:30Z
• Tasks: 2 (+ 1 auto-approved checkpoint)
• Files modified: 3

Accomplishments

• Wired prev/next navigation buttons in initForestScreen with closure over currentPage
• Persists currentForestPage to IndexedDB on every page navigation via saveProgress
• Added 0.3s opacity fade-out/fade-in transition to renderForestScene for smooth page changes
• "Zurück zum Wald" after lesson now computes last page from element count and updates progress before initForestScreen
• Replaced hardcoded % 12 in reward.ts slot calculation with % SLOTS_PER_PAGE import

Task Commits

Each task was committed atomically:

1. Task 1: Wire navigation handlers and page persistence in initForestScreen - 13b8df5 (feat)
2. Task 2: Fix reward flow and all renderForestScene call sites for pagination - 8f88843 (feat)
3. Task 3: Verify multi-forest navigation - auto-approved checkpoint (--auto mode)

Files Created/Modified

• src/forest/scene.ts - Added saveProgress import, navigation button handlers with navigateToPage closure, fade animation
• src/forest/reward.ts - Imported SLOTS_PER_PAGE from ./scene, replaced % 12 with % SLOTS_PER_PAGE
• src/app.ts - Imported SLOTS_PER_PAGE and getForestElements; updated Zurück-zum-Wald callback to navigate to element's page

Decisions Made

• navigateToPage reads fresh progress before saving to avoid overwriting data changed by other parts of the app during navigation
• The "Zurück zum Wald" callback computes newPage from elements.length after the new element is already saved, so it always resolves to the correct last page
• initForestScreen is called after setting currentForestPage in progress so the nav renders correctly from the start

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None.

Next Phase Readiness

• Multi-Wald navigation complete. Phase 05 is fully done.
• Forest pagination is interactive, persistent, and animated.
• No blockers.

Self-Check: PASSED

• src/forest/scene.ts: FOUND
• src/forest/reward.ts: FOUND
• src/app.ts: FOUND
• 05-02-SUMMARY.md: FOUND
• Commit 13b8df5: FOUND
• Commit 8f88843: FOUND

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Phase: 05-multi-wald-system-wald-pagination-und-navigation-zwischen-w-ldern Completed: 2026-03-29