feat: 建立统一目录元数据与获取契约 (#5)

* feat: 建立 Registry 目录元数据验证基础

* feat: 迁移 Registry 应用目录元数据

* test: 解耦目录迁移进度断言

* feat: 迁移 Registry 服务目录元数据

* fix(catalog): 强制 Registry 目录元数据

* fix(catalog): 兼容 Registry v4 外部集成

entries/coze/catalog-metadata.v1.json

@@ -0,0 +1,80 @@
+{
+  "$schema": "../../schemas/catalog-metadata.v1.schema.json",
+  "schemaVersion": 1,
+  "identity": {
+    "kind": "app",
+    "id": "coze"
+  },
+  "presentation": {
+    "defaultLocale": "zh-CN",
+    "i18n": {
+      "zh-CN": {
+        "name": "Coze",
+        "summary": "字节跳动 AI Bot 开发平台（开源社区版）",
+        "description": "Coze 是一个 AI 聊天机器人和应用开发平台，提供 LLM、知识库、插件和工作流等能力。支持快速构建、测试和部署 AI Bot，无需编程经验。"
+      },
+      "en-US": {
+        "name": "Coze",
+        "summary": "ByteDance AI bot development platform (open-source community edition)",
+        "description": "Coze is an AI chatbot and application development platform that provides LLM, knowledge base, plugin, and workflow capabilities. It supports rapidly building, testing, and deploying AI bots without requiring programming experience."
+      }
+    },
+    "tags": [
+      "Bot",
+      "LLM",
+      "插件"
+    ]
+  },
+  "release": {
+    "state": "known",
+    "version": "0.5.1",
+    "versionScheme": "semver"
+  },
+  "timestamps": {
+    "catalogUpdatedAt": {
+      "state": "known",
+      "value": "2026-06-16",
+      "precision": "day"
+    },
+    "releasePublishedAt": {
+      "state": "unknown"
+    },
+    "reviewedAt": {
+      "state": "unknown"
+    },
+    "upstreamObservedAt": {
+      "state": "unknown"
+    }
+  },
+  "provenance": {
+    "content": {
+      "kind": "git",
+      "url": "https://github.com/coze-dev/coze-studio"
+    }
+  },
+  "governance": {
+    "availability": "listing-only",
+    "license": {
+      "state": "unknown"
+    },
+    "redistribution": "verify-package-terms",
+    "upstreamMaintainer": {
+      "name": "coze-dev",
+      "verified": false
+    }
+  },
+  "compatibility": {
+    "platforms": {
+      "state": "known",
+      "values": [
+        "macos",
+        "windows",
+        "linux"
+      ]
+    }
+  },
+  "spec": {
+    "kind": "app",
+    "category": "ai-platform"
+  }
+}