fix: restore missing files (package.json etc) and fix sync script logic

schemas/hooks.schema.json

@@ -0,0 +1,81 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Claude Code Hooks Configuration",
+  "description": "Configuration for Claude Code hooks. Event types are validated at runtime and must be one of: PreToolUse, PostToolUse, PreCompact, SessionStart, SessionEnd, Stop, Notification, SubagentStop",
+  "$defs": {
+    "hookItem": {
+      "type": "object",
+      "required": [
+        "type",
+        "command"
+      ],
+      "properties": {
+        "type": {
+          "type": "string"
+        },
+        "command": {
+          "oneOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            }
+          ]
+        }
+      }
+    },
+    "matcherEntry": {
+      "type": "object",
+      "required": [
+        "matcher",
+        "hooks"
+      ],
+      "properties": {
+        "matcher": {
+          "type": "string"
+        },
+        "hooks": {
+          "type": "array",
+          "items": {
+            "$ref": "#/$defs/hookItem"
+          }
+        },
+        "description": {
+          "type": "string"
+        }
+      }
+    }
+  },
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "$schema": {
+          "type": "string"
+        },
+        "hooks": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "array",
+            "items": {
+              "$ref": "#/$defs/matcherEntry"
+            }
+          }
+        }
+      },
+      "required": [
+        "hooks"
+      ]
+    },
+    {
+      "type": "array",
+      "items": {
+        "$ref": "#/$defs/matcherEntry"
+      }
+    }
+  ]
+}