Health check module for OCT.
Purpose
-------
Provides a single-command project compliance dashboard.
Responsibilities
----------------
- Export the main health check entry point (`run_health`).
- Enable CLI integration of the health command.
Diagnostics
-----------
Domain: OCT.HEALTH
Levels:
L2 - health check lifecycle
L3 - individual check execution
L4 - detailed per-file analysis
Contracts
---------
- All public exports are guaranteed to be importable from this module.
Dependencies
------------
- oct.core.diagnostics (_dbg structured logger, imported but not called)
- oct.health.oct_health (run_health - the re-exported entry point)
1.15.0