docs: 更新 README 添加 npm 安装和 ccw CLI 说明

- 版本更新到 v6.0.0
- 添加 npm badge 和安装说明
- 新增 CCW CLI Tool 章节，说明所有命令
- 更新 description 为 JSON-driven multi-agent framework
- 修复 package.json 循环依赖

安装: npm install -g claude-code-workflow

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@dyw1234/claude-code-workflow",
+  "name": "claude-code-workflow",
   "version": "6.0.0",
   "description": "JSON-driven multi-agent development framework with intelligent CLI orchestration (Gemini/Qwen/Codex), context-first architecture, and automated workflow execution",
   "type": "module",
@@ -28,15 +28,15 @@
     "node": ">=16.0.0"
   },
   "dependencies": {
-    "commander": "^11.0.0",
-    "open": "^9.1.0",
-    "chalk": "^5.3.0",
-    "glob": "^10.3.0",
-    "inquirer": "^9.2.0",
-    "ora": "^7.0.0",
-    "figlet": "^1.7.0",
     "boxen": "^7.1.0",
-    "gradient-string": "^2.0.2"
+    "chalk": "^5.3.0",
+    "commander": "^11.0.0",
+    "figlet": "^1.7.0",
+    "glob": "^10.3.0",
+    "gradient-string": "^2.0.2",
+    "inquirer": "^9.2.0",
+    "open": "^9.1.0",
+    "ora": "^7.0.0"
   },
   "files": [
     "ccw/bin/",