Update documentation after refactoring: AGENTS.md, GAME_BRIEFING.md, skills.md

- Updated AGENTS.md to include store/ directory and clarify store architecture
- Updated GAME_BRIEFING.md Code Architecture section with store/ and legacy store info
- Updated skills.md with skill state management information
- Includes other refactoring changes (store hooks, component updates, etc.)

bun.lock

@@ -81,6 +81,7 @@
         "bun-types": "^1.3.4",
         "eslint": "^9",
         "eslint-config-next": "^16.1.1",
+        "husky": "^9.1.7",
         "jsdom": "^29.0.1",
         "tailwindcss": "^4",
         "tw-animate-css": "^1.3.5",
@@ -1286,6 +1287,8 @@
 
     "html-url-attributes": ["html-url-attributes@3.0.1", "https://registry.npmjs.com/html-url-attributes/-/html-url-attributes-3.0.1.tgz", {}, "sha512-ol6UPyBWqsrO6EJySPz2O7ZSr856WDrEzM5zMqp+FJJLGMW35cLYmmZnl0vztAZxRUoNZJFTCohfjuIJ8I4QBQ=="],
 
+    "husky": ["husky@9.1.7", "", { "bin": { "husky": "bin.js" } }, "sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA=="],
+
     "ieee754": ["ieee754@1.2.1", "https://registry.npmjs.com/ieee754/-/ieee754-1.2.1.tgz", {}, "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="],
 
     "ignore": ["ignore@5.3.2", "https://registry.npmjs.com/ignore/-/ignore-5.3.2.tgz", {}, "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g=="],