Consolidate Clockwork Owl v2 into the canonical shared theme
## Scope Promote the final approved `hermanity.dev` midnight/brass/ivory Clockwork Owl design system into the canonical shared Hugo theme. Consolidate reusable child-site primitives into the master theme, keep `themes/hermanity` and `presets/agent` in parity, remove the rejected skull/keyhole owl glyph, and add regression contracts. ## Acceptance - Canonical final typographic HERMAN identity - Reusable child-site styles promoted as generic primitives - No project-specific selectors in the master theme - `make sync-presets` parity - Full local CI-equivalent verification - Exact-head Senate review before human merge handoff Picking this up now. Implementation will be isolated on `feat/clockwork-v2-canonical-consolidation`; no direct push or force-push to `main`.
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