docs: Phase 1 立项完成 — 城市抓猫猫

- 01-project-charter.md: 立项书（方向/MVP范围/成功指标/待决策项）
- 02-game-design.md: 游戏设计（玩法规则/地图/猫猫/图鉴/广告/分享）
- 03-content-pipeline.md: 内容管线（数据结构/素材规范/分包策略）

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

AGENTS.md

@@ -1,11 +1,11 @@
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 ## Project State
-- **Project**: wechat-minigame — 微信小游戏
-- **Stage**: Phase 1 立项（待开始）
-- **Last action**: project init + standard dev process setup
-- **Next task**: Phase 1 — define game type, target users, project charter
+- **Project**: 城市抓猫猫 (wechat-minigame) — City-themed stacking match-3 WeChat mini game
+- **Stage**: Phase 1 charter done, 5 design decisions pending before Phase 2
+- **Last action**: Wrote 01-charter + 02-game-design + 03-content-pipeline
+- **Next task**: Lock pending decisions → Codex supplements system design → Phase 2
 - **Dev process**: 10-phase gated flow (~/pro/kb/workflows/standard-dev-process/SKILL.md)
-- **Hard constraints**: Canvas rendering | 4MB first package | No DOM/BOM | 60fps target
+- **Hard constraints**: Canvas 2D (no engine) | 4MB first package | No DOM/BOM | 60fps
 - **KB**: ~/pro/kb/projects/wechat-minigame/
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