docs(readme): update to v6.1.2 and simplify installation

- Update version badge and release notes to v6.1.2
- Remove one-click script install section (npm only)
- Update changelog highlights for latest release

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

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: catlog22

README.md

@@ -5,7 +5,7 @@
 
 <div align="center">
 
-[![Version](https://img.shields.io/badge/version-v6.1.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
+[![Version](https://img.shields.io/badge/version-v6.1.2-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
 [![npm](https://img.shields.io/npm/v/claude-code-workflow.svg)](https://www.npmjs.com/package/claude-code-workflow)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)]()
@@ -18,13 +18,11 @@
 
 **Claude Code Workflow (CCW)** is a JSON-driven multi-agent development framework with intelligent CLI orchestration (Gemini/Qwen/Codex), context-first architecture, and automated workflow execution. It transforms AI development from simple prompt chaining into a powerful orchestration system.
 
-> **🎉 Version 6.1.0: Dashboard Icon Unification & CCW Tool System**
+> **🎉 Version 6.1.2: Dashboard Update Notification & Bug Fixes**
 >
 > **Core Improvements**:
-> - 🎨 **Dashboard Icon Unification**: Complete migration to Lucide Icons library across all views
-> - 🛠️ **CCW Tool Exec System**: New `ccw tool exec` command for executing tools with JSON parameters
-> - 🚀 **Explorer Enhancements**: Async task execution, CLI selector improvements, WebSocket frame handling
-> - ✨ **Smart Server Recognition**: Intelligent workspace switching and MCP multi-source configuration
+> - 🔔 **Version Update Notification**: Dashboard now checks npm for updates and displays upgrade banner
+> - 🔧 **Hook Manager Fix**: Fixed button click event handling for edit/delete operations
 >
 > See [CHANGELOG.md](CHANGELOG.md) for complete details.
 
@@ -66,18 +64,6 @@ ccw install -m Global
 ccw install -m Path -p /path/to/project
 ```
 
-### **🚀 Alternative: One-Click Script Install**
-
-**Windows (PowerShell):**
-```powershell
-Invoke-Expression (Invoke-WebRequest -Uri "https://raw.githubusercontent.com/catlog22/Claude-Code-Workflow/main/install-remote.ps1" -UseBasicParsing).Content
-```
-
-**Linux/macOS (Bash/Zsh):**
-```bash
-bash <(curl -fsSL https://raw.githubusercontent.com/catlog22/Claude-Code-Workflow/main/install-remote.sh)
-```
-
 ### **✅ Verify Installation**
 After installation, open **Claude Code** and verify that workflow commands are available by running:
 ```bash