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>
2025-10-04 19:20:25 +08:00
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+# Feature Specification: McDonald's IT Halloween Event Page
+
+**Feature Branch**: `001-mcdonald-s-it`
+**Created**: 2025-10-04
+**Status**: Draft
+**Input**: User description: "McDonald's IT Halloween Event Page - minimalist geek-style webpage for MITA Halloween 2025 event with ASCII art, countdown timer, and bilingual content"
+
+## Execution Flow (main)
+```
+1. Parse user description from Input
+   → Feature: Event announcement webpage for McDonald's China IT Halloween 2025
+2. Extract key concepts from description
+   → Actors: MITA IT team members (300 programmers)
+   → Actions: View event details, check countdown, register interest
+   → Data: Event details, countdown timer state
+   → Constraints: Minimalist geek aesthetic, bilingual content, cross-device compatibility
+3. For each unclear aspect:
+   → [No major clarifications needed - comprehensive requirements in CLAUDE.md]
+4. Fill User Scenarios & Testing section
+   → Primary flow: Visit page → View event info → Note event details
+5. Generate Functional Requirements
+   → All requirements derived from CLAUDE.md specifications
+6. Identify Key Entities
+   → Event data, countdown state
+7. Run Review Checklist
+   → All checks passed
+8. Return: SUCCESS (spec ready for planning)
+```
+
+---
+
+## ⚡ Quick Guidelines
+- ✅ Focus on WHAT users need and WHY
+- ❌ Avoid HOW to implement (no tech stack, APIs, code structure)
+- 👥 Written for business stakeholders, not developers
+
+---
+
+## User Scenarios & Testing *(mandatory)*
+
+### Primary User Story
+As a McDonald's China IT team member, I want to view the Halloween 2025 event announcement page so that I can learn about the event details, activities, and know when it starts through a countdown timer.
+
+### Acceptance Scenarios
+1. **Given** a team member visits the event page on desktop, **When** they load the page, **Then** they see ASCII art logo, event details in bilingual format, and a live countdown timer
+2. **Given** a team member visits the event page on mobile, **When** they load the page, **Then** all content remains legible including ASCII art and the page is fully responsive
+3. **Given** the event date/time approaches, **When** a team member views the countdown, **Then** it accurately reflects time remaining in GMT+8 timezone
+4. **Given** a team member reads event information, **When** they scroll through the page, **Then** they can find event date (Oct 31 2025), time (18:00-21:00), location (MITA Building 2F Pantry), activities (cosplay, debugging games, lucky draw), and organizer contact (jessi.pan@cn.mcd.com)
+
+### Edge Cases
+- What happens when the countdown reaches zero? [NEEDS CLARIFICATION: Should display "Event Started" or "Event Ended" message]
+- How does ASCII art render on very small screens (< 320px)? System must provide mobile-optimized version
+- What happens if user visits after event date? [NEEDS CLARIFICATION: Should page remain active or show "Event Completed" message]
+- What if JavaScript is disabled? Countdown won't work but all static content must remain accessible
+
+## Requirements *(mandatory)*
+
+### Functional Requirements
+
+**Visual Presentation**
+- **FR-001**: Page MUST display McDonald's logo as ASCII art with Golden Arches M representation
+- **FR-002**: Page MUST show tagline "i'm lovin' IT" centered below logo with blinking cursor animation
+- **FR-003**: Page MUST use pure black background (#000000) with no gradients, shadows, or decorative effects
+- **FR-004**: Page MUST use only monospace fonts (Courier New, Monaco, Consolas, Menlo)
+- **FR-005**: Page MUST use terminal green (#00FF00) as primary color and amber (#FFBF00) for key information
+- **FR-006**: Page MUST include Halloween-themed ASCII art (pumpkins, ghosts, bats) and emojis (🎃👻🦇)
+- **FR-007**: Browser tab MUST show title "2025 MITA Halloween" with 🎃 favicon
+
+**Event Information**
+- **FR-008**: Page MUST display event date: October 31, 2025
+- **FR-009**: Page MUST display event time: 18:00 - 21:00 (6:00 PM - 9:00 PM) GMT+8
+- **FR-010**: Page MUST display event location: MITA Building 2F Pantry
+- **FR-011**: Page MUST display organizer name and email: Jessi Pan (jessi.pan@cn.mcd.com)
+- **FR-012**: Page MUST display all event content in bilingual format (English first, Chinese second, alternating lines)
+- **FR-013**: Page MUST list activities: Cosplay encouragement, bug debugging games, lucky draw
+- **FR-014**: Page MUST include notes that costumes are encouraged and food/drinks will be provided
+- **FR-015**: Page MUST display footer text: "McDonald's IT Academy"
+- **FR-016**: Page MUST include programmer humor and tech references throughout content
+
+**Countdown Timer**
+- **FR-017**: Page MUST display real-time countdown to event start (Oct 31 2025, 18:00 GMT+8)
+- **FR-018**: Countdown MUST calculate time using GMT+8 timezone
+- **FR-019**: Countdown MUST update in real-time showing days, hours, minutes, and seconds remaining
+- **FR-020**: Countdown MUST handle timezone conversions correctly for users in different timezones viewing the page
+
+**Responsive Design**
+- **FR-021**: Page MUST be fully functional on desktop screens (1024px and wider)
+- **FR-022**: Page MUST be fully functional on tablet screens (768-1023px)
+- **FR-023**: Page MUST be fully functional on mobile screens (320-767px)
+- **FR-024**: ASCII art MUST remain legible on all screen sizes (provide mobile-optimized version if needed)
+- **FR-025**: Page MUST adapt layout responsively without horizontal scrolling
+
+**Performance & Compatibility**
+- **FR-026**: Page MUST load in under 1 second on standard broadband connection
+- **FR-027**: Page MUST be a single self-contained HTML file with inline CSS
+- **FR-028**: Page MUST work on modern browsers: Chrome, Firefox, Safari, Edge (latest 2 versions)
+- **FR-029**: Page file size MUST be under 50KB
+- **FR-030**: Page MUST use minimal or no JavaScript (only for countdown timer)
+
+**Accessibility**
+- **FR-031**: Page MUST meet WCAG 2.1 AA compliance standards
+- **FR-032**: Page MUST include proper ARIA labels for screen readers
+- **FR-033**: Page MUST include lang attributes for bilingual content
+- **FR-034**: Page MUST maintain high contrast ratio (black background with bright text)
+- **FR-035**: Page MUST include meta description: "McDonald's China IT Halloween 2025 - Join 300 MITA developers for cosplay, debugging games, and lucky draw at MITA Building 2F Pantry"
+
+### Key Entities
+
+- **Event**: Represents the Halloween event with attributes: date (Oct 31 2025), time (18:00-21:00 GMT+8), location (MITA Building 2F Pantry), organizer (Jessi Pan), target audience (300 MITA programmers), activities (cosplay, debugging games, lucky draw)
+
+- **Countdown State**: Represents the real-time countdown with attributes: target datetime (Oct 31 2025 18:00 GMT+8), current time, time remaining (days, hours, minutes, seconds), timezone (GMT+8)
+
+- **Visual Theme**: Represents the design aesthetic with attributes: background color (#000000), primary color (#00FF00), accent color (#FFBF00), font family (monospace only), ASCII art elements (McDonald's logo, Halloween decorations), animation (blinking cursor)
+
+---
+
+## Review & Acceptance Checklist
+*GATE: Automated checks run during main() execution*
+
+### Content Quality
+- [x] No implementation details (languages, frameworks, APIs)
+- [x] Focused on user value and business needs
+- [x] Written for non-technical stakeholders
+- [x] All mandatory sections completed
+
+### Requirement Completeness
+- [ ] No [NEEDS CLARIFICATION] markers remain (2 edge cases need clarification)
+- [x] Requirements are testable and unambiguous
+- [x] Success criteria are measurable
+- [x] Scope is clearly bounded
+- [x] Dependencies and assumptions identified
+
+---
+
+## Execution Status
+*Updated by main() during processing*
+
+- [x] User description parsed
+- [x] Key concepts extracted
+- [x] Ambiguities marked (2 edge cases)
+- [x] User scenarios defined
+- [x] Requirements generated (35 functional requirements)
+- [x] Entities identified (3 key entities)
+- [x] Review checklist passed (with 2 minor clarifications needed)
+
+---
+
+## Notes
+
+**Clarifications Needed:**
+1. Post-countdown behavior: What should display when countdown reaches zero?
+2. Post-event behavior: Should page remain active or show completion message after Oct 31 2025?
+
+**Design Philosophy:**
+- Extreme minimalism inspired by Homebrew package manager aesthetic
+- Terminal/command-line interface look and feel
+- Geek culture references and programmer humor throughout
+- High contrast for optimal readability
+- No external dependencies for easy deployment
+
+**Target Audience:**
+- 300 McDonald's China IT team members (MITA)
+- Technical staff comfortable with terminal aesthetics
+- Bilingual (English/Chinese) speakers
+
+**Success Metrics:**
+- Page loads < 1 second
+- Responsive on all devices
+- 100% WCAG 2.1 AA compliance
+- Zero external dependencies
+- File size < 50KB