refactor: Remove model specification from CLI command files

Remove hardcoded model: sonnet from CLI command frontmatter to allow dynamic model selection.

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

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

.claude/commands/cli/chat.md

@@ -9,7 +9,7 @@ examples:
   - /cli:chat --tool qwen --enhance "optimize React component"
   - /cli:chat --tool codex "review security vulnerabilities"
 allowed-tools: SlashCommand(*), Bash(*)
-model: sonnet
+ 
 ---
 
 ## Purpose

.claude/commands/cli/execute.md

@@ -9,7 +9,6 @@ examples:
   - /cli:execute --tool codex IMPL-001
   - /cli:execute --enhance "fix API performance issues"
 allowed-tools: SlashCommand(*), Bash(*)
-model: sonnet
 ---
 
 # CLI Execute Command (/cli:execute)

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

@@ -8,7 +8,7 @@ examples:
   - /cli:mode:bug-index --tool qwen --enhance "login not working"
   - /cli:mode:bug-index --tool codex --cd "src/auth" "token validation fails"
 allowed-tools: SlashCommand(*), Bash(*)
-model: sonnet
+ 
 ---
 
 # CLI Mode: Bug Index (/cli:mode:bug-index)

.claude/commands/cli/mode/code-analysis.md

@@ -8,7 +8,7 @@ examples:
   - /cli:mode:code-analysis --tool qwen --enhance "explain data transformation pipeline"
   - /cli:mode:code-analysis --tool codex --cd "src/core" "trace execution path for user registration"
 allowed-tools: SlashCommand(*), Bash(*)
-model: sonnet
+ 
 ---
 
 # CLI Mode: Code Analysis (/cli:mode:code-analysis)

.claude/commands/cli/mode/plan.md

@@ -8,7 +8,7 @@ examples:
   - /cli:mode:plan --tool qwen --enhance "plan microservices migration"
   - /cli:mode:plan --tool codex --cd "src/auth" "authentication system"
 allowed-tools: SlashCommand(*), Bash(*)
-model: sonnet
+ 
 ---
 
 # CLI Mode: Plan (/cli:mode:plan)