feat: Add Qwen CLI integration and update task commands

- Add Qwen CLI wrapper and commands for analyze and execute
- Update task create and execute documentation
- Enhance CLI tool integration capabilities

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

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

.claude/commands/qwen/mode/bug-index.md

@@ -0,0 +1,76 @@
+---
+name: bug-index
+description: Bug analysis and fix suggestions using specialized template
+usage: /qwen:mode:bug-index "bug description"
+argument-hint: "description of the bug or error you're experiencing"
+examples:
+  - /qwen:mode:bug-index "authentication null pointer error in login flow"
+  - /qwen:mode:bug-index "React component not re-rendering after state change"
+  - /qwen:mode:bug-index "database connection timeout in production"
+allowed-tools: Bash(qwen:*)
+model: sonnet
+---
+
+# Bug Analysis Command (/qwen:mode:bug-index)
+
+## Overview
+Systematic bug analysis and fix suggestions using expert diagnostic template.
+
+**Directory Analysis Rule**: Intelligent detection of directory context intent - automatically navigate to target directory when analysis scope is directory-specific.
+
+**--cd Parameter Rule**: When `--cd` parameter is provided, always execute `cd [path] && qwen --all-files -p "prompt"` to ensure analysis occurs in the specified directory context.
+
+## Usage
+
+### Basic Bug Analysis
+```bash
+/qwen:mode:bug-index "authentication null pointer error"
+```
+
+### Bug Analysis with Directory Context
+```bash
+/qwen:mode:bug-index "authentication error" --cd "src/auth"
+```
+
+
+### Save to Workflow Session
+```bash
+/qwen:mode:bug-index "API timeout issues" --save-session
+```
+
+## Command Execution
+
+**Template Used**: `~/.claude/prompt-templates/bug-fix.md`
+
+**Executes**:
+```bash
+# Basic usage
+qwen --all-files -p "$(cat ~/.claude/prompt-templates/bug-fix.md)
+
+Bug Description: [user_description]"
+
+# With --cd parameter
+cd [specified_directory] && qwen --all-files -p "$(cat ~/.claude/prompt-templates/bug-fix.md)
+
+Bug Description: [user_description]"
+```
+
+## Analysis Focus
+
+The bug-fix template provides:
+- **Root Cause Analysis**: Systematic investigation
+- **Code Path Tracing**: Following execution flow  
+- **Targeted Solutions**: Specific, minimal fixes
+- **Impact Assessment**: Understanding side effects
+
+
+## Session Output
+
+saves to:
+`.workflow/WFS-[topic]/.chat/bug-index-[timestamp].md`
+
+**Includes:**
+- Bug description
+- Template used  
+- Analysis results
+- Recommended actions