Add hooks and CLAUDE.md resource types with install/uninstall scripts

Introduces two new resource types (hooks, claude-md) with full CRUD,
   visual hook config editor, section-delimited CLAUDE.md installs,
   uninstall endpoints, and shell injection hardening in sync scripts.

.claude/settings.local.json

@@ -8,7 +8,11 @@
       "WebFetch(domain:astro.build)",
       "Bash(npm init:*)",
       "Bash(npm install:*)",
-      "Bash(npx astro check:*)"
+      "Bash(npx astro check:*)",
+      "Bash(node -e:*)",
+      "Bash(ls:*)",
+      "Bash(npx tsc:*)",
+      "mcp__ide__getDiagnostics"
     ]
   }
 }