fix: task master (tm) custom slash commands w/ proper syntax (#968)

* feat: add task master (tm) custom slash commands

Add comprehensive task management system integration via custom slash commands.
Includes commands for:
- Project initialization and setup
- Task parsing from PRD documents
- Task creation, update, and removal
- Subtask management
- Dependency tracking and validation
- Complexity analysis and task expansion
- Project status and reporting
- Workflow automation

This provides a complete task management workflow directly within Claude Code.

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

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

* chore: add changeset

---------

Co-authored-by: neno-is-ooo <204701868+neno-is-ooo@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>

.claude/commands/tm/models/setup-models.md

@@ -0,0 +1,51 @@
+Run interactive setup to configure AI models.
+
+## Interactive Model Configuration
+
+Guides you through setting up AI providers for Task Master.
+
+## Execution
+
+```bash
+task-master models --setup
+```
+
+## Setup Process
+
+1. **Environment Check**
+   - Detect existing API keys
+   - Show current configuration
+   - Identify missing providers
+
+2. **Provider Selection**
+   - Choose main provider (required)
+   - Select research provider (recommended)
+   - Configure fallback (optional)
+
+3. **API Key Configuration**
+   - Prompt for missing keys
+   - Validate key format
+   - Test connectivity
+   - Save configuration
+
+## Smart Recommendations
+
+Based on your needs:
+- **For best results**: Claude + Perplexity
+- **Budget conscious**: GPT-3.5 + Perplexity
+- **Maximum capability**: GPT-4 + Perplexity + Claude fallback
+
+## Configuration Storage
+
+Keys can be stored in:
+1. Environment variables (recommended)
+2. `.env` file in project
+3. Global `.taskmaster/config`
+
+## Post-Setup
+
+After configuration:
+- Test each provider
+- Show usage examples
+- Suggest next steps
+- Verify parse-prd works