# Tasks

- [x] Record the outcome, requirements and non-goals.
- [x] Add the `evidence-file` source and the file-aware service entry point.
- [x] Route the CLI command and the MCP tool through it.
- [x] Add the `sibling-pair-variance` rule, its names and its limitation.
- [x] Document both; extend the tool contract text.
- [x] Add service, CLI, MCP and rule tests.
- [x] Run static, formatting, duplication, documentation and test gates.
- [x] Rebuild a rich capture with both changes and record the results.