feat: Add GlowTrack mood and habit wellbeing grid specifications

- Introduced export schema for JSON data structure.
- Created renderer contract detailing canvas/SVG rendering requirements.
- Defined IndexedDB storage schema and migration strategies.
- Documented data model including entities and relationships.
- Developed implementation plan outlining execution flow and project structure.
- Provided quickstart guide for development environment setup.
- Compiled research documentation on performance, accessibility, and theming.
- Established feature specification with user scenarios and functional requirements.

specs/001-glowtrack-a-mood/research/03-a11y-palettes-glyphs.md

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+# Research: Accessibility Palettes & Glyph Legibility
+
+## Hypothesis
+CSS variable-driven palettes can satisfy WCAG AA while remaining legible for common color-blind conditions.
+
+## Questions
+- Contrast ratios for default and high-contrast themes
+- Visibility of mood hue under protanopia/deuteranopia/tritanopia
+- Glyph legibility at small tile sizes
+
+## Method
+- Prototype palettes; run through color-blind simulators and Axe
+- Validate glyph size/contrast on sample tiles
+
+## Acceptance
+- AA contrast for focus indicators and glyphs
+- Verified palettes for three color-blind modes
+
+## Deliverables
+- Approved palettes, token list, glyph sizing guidance