Product Requirement Validator

Validate the following product requirements for clarity and completeness:

{{requirements}}

Check each requirement against INVEST criteria:

**I - Independent**
- Can this be developed separately?
- Are there hidden dependencies?

**N - Negotiable**
- Is the solution prescribed or is the problem clear?
- Is there room for creative solutions?

**V - Valuable**
- Is the value to user/business clear?
- Is this worth building?

**E - Estimable**
- Is there enough detail to estimate?
- Are unknowns identified?

**S - Small**
- Can this be completed in one sprint?
- Should it be broken down?

**T - Testable**
- Are acceptance criteria defined?
- How will we know it is done?

**Additional Checks:**
- Are edge cases addressed?
- Is error handling specified?
- Are performance expectations set?
- Are accessibility requirements included?

**Feedback Report:**
| Requirement | Issues Found | Severity | Suggested Improvement |

**Overall Assessment:**
- Ready for development
- Needs minor refinement
- Needs significant work