Routes to the add-objective workflow which handles:
- Objective number calculation (next sequential integer)
- Directory creation with slug generation
- Roadmap structure updates
- STATE.md roadmap evolution tracking
The workflow handles all logic including:
- Argument parsing and validation
- Roadmap existence checking
- Current milestone identification
- Next objective number calculation (ignoring decimals)
- Slug generation from description
- Objective directory creation
- Roadmap entry insertion
- STATE.md updates