[kkd16]

Lumen's Workshop could only generate seeds, switching gardens overwrote unfinished arrangements, and dense isometric boards were hard to use on phones. This update adds a complete garden designer, independent saved gardens with undo/redo, and an overhead board view.

• Design 5×5, 6×6, or 7×7 puzzles with every mechanic, live light preview, fixed stones, paired portals, edit undo, and saved drafts. Only validated designs can become deterministic scrambled puzzles or self-contained share links.
• Preserve each garden's arrangement, hints, and up to 100 undo/redo steps across navigation and reloads. Migrate the old single-garden save and offer atlas resume shortcuts. Storage failures remain visible.
• Give each chapter distinct mineral and foliage palettes; show light frontiers, moving glints, awakening crystals, and completion flowers. Add overhead play, a saved view preference, readable portal pair labels, and larger mobile targets.
• Improve mechanic guidance, editor text size, contrast outlines, and mobile brush controls. Include updated documentation and journal.

Validation: the exact repository gate passes (scope, conformance, frozen install, lint, build, output validation). 32 logic/storage/codec tests pass, including all 48 campaign solutions, 600 generated gardens, custom roundtrips, malformed shares, save migration, and bounded history. The full 20-scenario browser suite passed; the additional mobile quick-brush test and affected designer regressions also passed. Real pointer play verified a complete portal garden in mobile overhead view and a shared custom puzzle.

Only projects/lumen-atelier-8f3c/ changes. Existing completed awards are preserved; local session storage is bounded to the 200 most recent gardens. Version 1.1.0.

[github-actions]

✅ Scope + lint + build passed.