Admin validation and health checks #5585
Description
Add doctor/diagnostics checks for cold_path uniqueness, capacity headroom, tiering policy validity, and migration progress.
Jira issue: PEBBLE-1283
Epic CRDB-48982
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Add doctor/diagnostics checks for cold_path uniqueness, capacity headroom, tiering policy validity, and migration progress.
Jira issue: PEBBLE-1283
Epic CRDB-48982