fix: move plugin.json to .claude-plugin/ with correct schema

- Skills and commands now use path arrays
- Removed unsupported fields (hooks, dependencies)
- Hooks will be added separately in hooks/hooks.json

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude-plugin/plugin.json

@@ -0,0 +1,21 @@
+{
+  "name": "core",
+  "version": "1.0.0",
+  "description": "Host UK unified framework - Go CLI, PHP framework, multi-repo management",
+  "author": {
+    "name": "Host UK",
+    "url": "https://github.com/host-uk"
+  },
+  "homepage": "https://github.com/host-uk/core-claude",
+  "repository": "https://github.com/host-uk/core-claude",
+  "license": "EUPL-1.2",
+  "keywords": [
+    "go",
+    "php",
+    "laravel",
+    "monorepo",
+    "multi-repo",
+    "context-preservation"
+  ],
+  "skills": ["./skills/", "./commands/"]
+}

plugin.json

@@ -1,102 +0,0 @@
-{
-  "name": "core",
-  "version": "1.0.0",
-  "description": "Host UK unified framework - Go CLI, PHP framework, multi-repo management",
-  "dependencies": [
-    "superpowers@claude-plugins-official"
-  ],
-  "skills": [
-    {
-      "name": "core",
-      "path": "skills/core.md",
-      "description": "Use when working in host-uk repositories. Provides core CLI command reference."
-    },
-    {
-      "name": "core-php",
-      "path": "skills/php.md",
-      "description": "Use when creating PHP modules, services, or actions in core-* packages."
-    },
-    {
-      "name": "core-go",
-      "path": "skills/go.md",
-      "description": "Use when creating Go packages or extending the core CLI."
-    }
-  ],
-  "commands": [
-    {
-      "name": "remember",
-      "path": "commands/remember.md",
-      "description": "Save a fact or decision to context"
-    }
-  ],
-  "hooks": {
-    "SessionStart": [
-      {
-        "matcher": "*",
-        "script": "scripts/session-start.sh",
-        "description": "Check for recent session state on startup"
-      }
-    ],
-    "PreCompact": [
-      {
-        "matcher": "*",
-        "script": "scripts/pre-compact.sh",
-        "description": "Save state before auto-compact to prevent amnesia"
-      }
-    ],
-    "PreToolUse": [
-      {
-        "matcher": "Bash",
-        "script": "hooks/prefer-core.sh",
-        "description": "Suggest core CLI instead of raw go/php commands"
-      },
-      {
-        "matcher": "Write",
-        "script": "scripts/block-docs.sh",
-        "description": "Block random .md files, keep docs consolidated"
-      },
-      {
-        "matcher": "Edit",
-        "script": "scripts/suggest-compact.sh",
-        "description": "Suggest /compact at logical intervals"
-      },
-      {
-        "matcher": "Write",
-        "script": "scripts/suggest-compact.sh",
-        "description": "Suggest /compact at logical intervals"
-      }
-    ],
-    "PostToolUse": [
-      {
-        "matcher": "Edit",
-        "script": "scripts/php-format.sh",
-        "description": "Auto-format PHP files after edits"
-      },
-      {
-        "matcher": "Edit",
-        "script": "scripts/go-format.sh",
-        "description": "Auto-format Go files after edits"
-      },
-      {
-        "matcher": "Edit",
-        "script": "scripts/check-debug.sh",
-        "description": "Warn about debug statements (dd, dump, fmt.Println)"
-      },
-      {
-        "matcher": "Bash",
-        "script": "scripts/pr-created.sh",
-        "description": "Log PR URL after creation"
-      },
-      {
-        "matcher": "Bash",
-        "script": "scripts/extract-actionables.sh",
-        "description": "Extract actionables from core CLI output"
-      },
-      {
-        "matcher": "Bash",
-        "script": "scripts/post-commit-check.sh",
-        "description": "Warn about uncommitted work after git commit"
-      }
-    ]
-  }
-}