Replace broken SHA256 hash comparison with value-based YAML comparison.
Add "Show Diff" button showing per-key differences in a color-coded table.
Add "Pull Config" to import controller's current config into the Hub.
New endpoints: GET /customers/{id}/config-diff, POST /customers/{id}/pull-config.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- hub/CHANGELOG.md: new file with v0.2.0 and prior version history
- manifests/hub.yaml: add registry config (version checker + template fetcher),
pin image to v0.2.0, remove stale /healthz TODO comment
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>