feat(spec): complete implementation plan for Halloween event page
Created comprehensive planning documentation following Spec-Kit standards:
Phase 0 - Research:
- Analyzed 10 technical decisions (HTML5, ASCII art, countdown, responsive design)
- Resolved edge cases (post-countdown, post-event, JS disabled, small screens)
- Documented rationale and alternatives for each decision
Phase 1 - Design:
- Defined 4 data entities (Event, Countdown, VisualTheme, Content)
- Created JSON schema contract for page content validation
- Mapped 35 functional requirements to implementation approach
- Generated quickstart testing checklist with 10 test categories
Technical decisions:
- Single-file HTML architecture (no external dependencies)
- Pure CSS animations (blinking cursor)
- JavaScript countdown with GMT+8 timezone handling
- Responsive ASCII art (desktop/mobile versions)
- WCAG 2.1 AA compliance (21:1 contrast ratio)
Constitution compliance: PASS
- No violations detected
- Follows user-centric, professional excellence principles
- Minimal technical stack aligns with simplicity requirement
Artifacts created:
- spec.md: 35 functional requirements
- plan.md: Implementation strategy and phases
- research.md: 10 technical research decisions
- data-model.md: 4 entity definitions with validation
- contracts/page-content.schema.json: JSON Schema
- quickstart.md: Comprehensive testing checklist
Ready for: /tasks command to generate tasks.md
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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