feat: add Discuss and Explore subagents for dynamic critique and code exploration

- Implement Discuss Subagent for multi-perspective critique with dynamic perspectives.
- Create Explore Subagent for shared codebase exploration with centralized caching.
- Add tests for CcwToolsMcpCard component to ensure enabled tools are preserved on config save.
- Introduce SessionPreviewPanel component for previewing and selecting sessions for Memory V2 extraction.
- Develop CommandCreateDialog component for creating/importing commands with import and CLI generate modes.

.claude/skills/command-generator/templates/command-md.md

@@ -0,0 +1,75 @@
+---
+name: {{name}}
+description: {{description}}
+{{#if argumentHint}}argument-hint: {{argumentHint}}
+{{/if}}---
+
+# {{name}} Command
+
+## Overview
+
+[Describe the command purpose and what it does]
+
+## Usage
+
+```bash
+/{{#if group}}{{group}}:{{/if}}{{name}} [arguments]
+```
+
+**Examples**:
+```bash
+# Example 1: Basic usage
+/{{#if group}}{{group}}:{{/if}}{{name}}
+
+# Example 2: With arguments
+/{{#if group}}{{group}}:{{/if}}{{name}} --option value
+```
+
+## Execution Flow
+
+```
+Phase 1: Input Parsing
+   - Parse arguments and flags
+   - Validate input parameters
+
+Phase 2: Core Processing
+   - Execute main logic
+   - Handle edge cases
+
+Phase 3: Output Generation
+   - Format results
+   - Display to user
+```
+
+## Implementation
+
+### Phase 1: Input Parsing
+
+```javascript
+// Parse command arguments
+const args = parseArguments($ARGUMENTS);
+```
+
+### Phase 2: Core Processing
+
+```javascript
+// TODO: Implement core logic
+```
+
+### Phase 3: Output Generation
+
+```javascript
+// TODO: Format and display output
+```
+
+## Error Handling
+
+| Error | Action |
+|-------|--------|
+| Invalid input | Show usage and error message |
+| Processing failure | Log error and suggest recovery |
+
+## Related Commands
+
+- [Related command 1]
+- [Related command 2]