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commands/add-feature.md

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+---
+allowed-tools: Read, Write, Edit, Bash(reqvire:*), SlashCommand
+argument-hint: [feature-name]
+description: Add a complete feature by orchestrating requirement and verification creation following MBSE workflow
+model: claude-sonnet-4-5-20250929
+---
+
+# Add Feature
+
+Add a complete feature by orchestrating multiple commands to create requirements, verifications, and proper traceability.
+
+## Current Model Context
+
+- Total requirements: !`reqvire search --json | jq -r '.global_counters.total_elements'`
+- Verification coverage: !`reqvire coverage --json | jq -r '.summary.leaf_requirements_coverage_percentage'`%
+
+## User Request
+
+${1:+Feature name: $1}
+${1:-The user will provide feature details.}
+
+## MBSE Workflow
+
+This command orchestrates the complete workflow:
+1. Define requirements (parent → children)
+2. Create verifications for leaf requirements
+3. Validate and check coverage
+
+## Steps
+
+1. **Understand the feature:**
+   - Ask user for feature description
+   - Identify if this derives from existing requirement
+   - Plan requirement hierarchy (parent → leaf requirements)
+
+2. **Create parent requirement (if needed):**
+   ```bash
+   /add-requirement
+   ```
+
+   This creates the high-level feature requirement.
+
+3. **Create leaf requirements:**
+
+   For each specific capability:
+   ```bash
+   /add-requirement
+   ```
+
+   Link each to the parent via `derivedFrom`.
+
+4. **Create verifications for leaf requirements:**
+
+   For each leaf requirement:
+   ```bash
+   /add-verification
+   ```
+
+   This will:
+   - Check if verification is needed (leaf vs parent)
+   - Read all requirements in trace chain
+   - Create verification with comprehensive test criteria
+   - Link to tests if applicable
+
+5. **Validate complete feature:**
+   ```bash
+   reqvire validate
+   reqvire coverage --filter-name="<feature-name>"
+   reqvire traces --filter-name="<feature-name>"
+   ```
+
+6. **Clean up model:**
+   ```bash
+   reqvire lint --fix
+   ```
+
+## Command Flow
+
+```
+/add-feature
+  ├─> /add-requirement (parent)
+  ├─> /add-requirement (leaf 1)
+  ├─> /add-requirement (leaf 2)
+  ├─> /add-requirement (leaf 3)
+  ├─> /add-verification (for leaf 1)
+  ├─> /add-verification (for leaf 2)
+  ├─> /add-verification (for leaf 3)
+  └─> reqvire lint --fix
+```
+
+## Best Practices
+
+- **Requirements first**: Create all requirements before verifications
+- **Hierarchical**: Parent requirement → leaf requirements
+- **Verify leaves only**: Use `/add-verification` for leaf requirements
+- **Delegate**: Let individual commands handle their specific logic
+- **Validate often**: Run validation after each major step
+
+## Notes
+
+- This is an orchestration command - it calls other commands
+- Follow MBSE methodology: requirements → verifications → tests
+- Each step uses specialized commands for consistency
+- Run `reqvire coverage` at the end to confirm complete feature coverage