Prevent Workflow Gaps

All generated code must produce complete workflows with no dead ends, no swallowed errors, and no undocumented behavior.

Completeness Requirements:
- Every UI action must connect to a handler that produces a response
- Every route or endpoint must have a full implementation — no stubs, no empty bodies, no TODO placeholders
- Every state machine or multi-step flow must handle all possible transitions, including edge states
- Every form submission and API call must provide success and error feedback to the user

Error Handling Requirements:
- Every try/catch block must either log the error, notify the user, or re-throw — never silently discard
- Multi-step operations must handle partial failure: if an intermediate step fails, either roll back prior steps or leave the system in a documented, recoverable state
- External service calls must include a timeout, and must handle timeout/failure with a fallback or user-facing error message
- Concurrent operations must account for race conditions (parallel writes, stale reads) with appropriate locking or conflict resolution

Documentation Requirements:
- Complex branching logic must include an inline comment explaining the intent of each branch
- Integration points with external services must document expected error responses and how they are handled
- Configuration-driven behavior must document valid values and defaults in a comment at the configuration site

Forbidden Patterns:
- Generating a route or handler with a stub or empty implementation
- Adding a catch block that swallows an exception without logging or user notification
- Creating a multi-step operation without handling failure at each step
- Making external service calls without a timeout
- Introducing configuration-driven behavior without documenting valid values

Validation Gate: Every generated route must connect to a complete handler. Every catch block must handle the error visibly. Every external call must have a timeout. Every branch must be documented. Generated code that introduces incomplete flows, swallowed errors, or undocumented behavior fails review.