feat: add Codex plugin compatibility layer (MCP + skills + hooks)

.agents/plugins/marketplace.json

@@ -0,0 +1,20 @@
+{
+  "name": "local-opencode-cabbage",
+  "interface": {
+    "displayName": "Local Cabbage Plugins"
+  },
+  "plugins": [
+    {
+      "name": "opencode-cabbage",
+      "source": {
+        "source": "local",
+        "path": "./plugins/opencode-cabbage"
+      },
+      "policy": {
+        "installation": "AVAILABLE",
+        "authentication": "ON_INSTALL"
+      },
+      "category": "Development"
+    }
+  ]
+}

.codex-plugin/plugin.json

@@ -0,0 +1,39 @@
+{
+  "name": "opencode-cabbage",
+  "version": "1.1.0",
+  "description": "全流程开发编排插件 — 需求→设计→任务→编码→测试→审查→自动合并，兼容 OpenCode 与 Codex",
+  "author": {
+    "name": "devcxl",
+    "url": "https://github.com/devcxl"
+  },
+  "homepage": "https://devcxl.github.io/opencode-cabbage/",
+  "repository": "https://github.com/devcxl/opencode-cabbage",
+  "license": "MIT",
+  "keywords": [
+    "development-workflow",
+    "orchestration",
+    "tdd",
+    "codex",
+    "opencode",
+    "multi-agent"
+  ],
+  "skills": "./skills/",
+  "mcpServers": "./.mcp.json",
+  "hooks": "./hooks/hooks.json",
+  "interface": {
+    "displayName": "OpenCode Cabbage",
+    "shortDescription": "全流程开发编排 — 需求到自动合并",
+    "longDescription": "覆盖需求、设计、DAG 任务拆解、并行编码（TDD）、审查与自动合并的全流程开发编排插件。支持自动编排与并行 Subagent，适配 OpenCode 与 Codex 双平台。",
+    "developerName": "devcxl",
+    "category": "Development",
+    "capabilities": ["Read", "Write"],
+    "defaultPrompt": [
+      "使用 OpenCode Cabbage 初始化项目 — 运行 /setup 开始",
+      "使用 OpenCode Cabbage 从需求到实现 — 运行 /requirements 开始",
+      "使用 OpenCode Cabbage 的 dev-lifecycle 自动编排全流程"
+    ],
+    "brandColor": "#00bcd4",
+    "composerIcon": "./assets/icon.png",
+    "logo": "./assets/logo.png"
+  }
+}

.mcp.json

@@ -0,0 +1,7 @@
+{
+  "cabbage": {
+    "command": "node",
+    "args": ["${PLUGIN_ROOT}/dist/mcp-server.js"],
+    "env": {}
+  }
+}

hooks/hooks.json

@@ -0,0 +1,15 @@
+{
+  "hooks": {
+    "SessionStart": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "node ${PLUGIN_ROOT}/dist/hooks/session-start.js",
+            "statusMessage": "Loading Cabbage development context"
+          }
+        ]
+      }
+    ]
+  }
+}

hooks/session-start.ts

@@ -0,0 +1,45 @@
+/**
+ * Cabbage Session Start Hook — loads project context and dev-lifecycle agent prompt.
+ * Runs on Codex SessionStart lifecycle event.
+ *
+ * This hook reads the dev-lifecycle agent prompt and injects it as session context.
+ */
+import { readFileSync, existsSync } from "node:fs"
+import { join, dirname } from "node:path"
+
+const PLUGIN_ROOT = process.env.PLUGIN_ROOT || process.cwd()
+const PROJECT_DIR = process.cwd()
+
+function getDevLifecyclePrompt(): string {
+  const agentPath = join(PLUGIN_ROOT, "assets", "agents", "dev-lifecycle.md")
+  if (!existsSync(agentPath)) return ""
+  const content = readFileSync(agentPath, "utf8")
+  // Strip frontmatter
+  const match = content.match(/^---\n[\s\S]*?\n---\n([\s\S]*)$/)
+  return match ? match[1].trim() : content.trim()
+}
+
+function getProjectContext(): string {
+  const agentsMd = join(PROJECT_DIR, "AGENTS.md")
+  if (existsSync(agentsMd)) {
+    const content = readFileSync(agentsMd, "utf8")
+    const profileMatch = content.match(/## Project Profile[\s\S]*?(?=##|$)/)
+    if (profileMatch) return profileMatch[0].trim()
+  }
+  return ""
+}
+
+function main() {
+  const prompt = getDevLifecyclePrompt()
+  const context = getProjectContext()
+
+  const parts: string[] = []
+  if (prompt) parts.push(prompt)
+  if (context) parts.push(`\n## Project Context\n\n${context}`)
+
+  if (parts.length > 0) {
+    console.log(parts.join("\n\n"))
+  }
+}
+
+main()

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@devcxl/opencode-cabbage",
   "version": "1.1.0",
-  "description": "OpenCode 全流程开发插件 — 需求→设计→任务→编码→测试→审查→自动合并，支持自动编排与并行 Subagent",
+  "description": "OpenCode 全流程开发插件 — 需求→设计→任务→编码→测试→审查→自动合并，支持自动编排与并行 Subagent。兼容 OpenCode 与 Codex 双平台。",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/devcxl/opencode-cabbage.git"
@@ -12,7 +12,12 @@
   },
   "keywords": [
     "opencode",
-    "opencode-plugin"
+    "opencode-plugin",
+    "codex",
+    "codex-plugin",
+    "development-workflow",
+    "orchestration",
+    "tdd"
   ],
   "type": "module",
   "engines": {
@@ -52,6 +57,7 @@
     "docs:preview": "vitepress preview docs"
   },
   "dependencies": {
+    "@modelcontextprotocol/sdk": "^1.30.0",
     "@opencode-ai/plugin": "^1.17.0",
     "@opencode-ai/sdk": "^1.17.14",
     "yaml": "^2.8.3"

skills/flow-code

@@ -0,0 +1 @@
+../assets/skills/flow-code

skills/flow-design

@@ -0,0 +1 @@
+../assets/skills/flow-design

skills/flow-release

@@ -0,0 +1 @@
+../assets/skills/flow-release

skills/flow-requirements

@@ -0,0 +1 @@
+../assets/skills/flow-requirements

skills/flow-review

@@ -0,0 +1 @@
+../assets/skills/flow-review

skills/flow-setup

@@ -0,0 +1 @@
+../assets/skills/flow-setup

skills/flow-tasks

@@ -0,0 +1 @@
+../assets/skills/flow-tasks

skills/flow-tdd

@@ -0,0 +1 @@
+../assets/skills/flow-tdd