feat: reconcile runtime semantic tokens with canonical Core specification

[jaavid]

Closes #8

Canonical reconciliation

Source values are reconciled to CoreLinkPlatform/product-planning/design/tokens.json version 1.1 at revision 069baefa4616b6b590ecde55fa09e99db124a148.

What changed

• adds a versioned DTCG-derived runtime source and deterministic CSS/TypeScript generator
• makes CI reject stale generated outputs
• corrects Core Blue #168BFF, shared palette, light/dark neutrals and all operational status roles
• corrects radius to 4 / 8 / 12px, default component radius 8px, spacing and focus 2px + 2px offset
• adds locale-aware Noto/mono/display typography roles
• removes component-owned primary, destructive and focus colors
• adds runtime token Storybook evidence and contract tests
• documents source-of-truth and reconciliation boundaries

Package boundary

The existing published technical identifier @corelinkplatform/design-system is preserved. This PR does not perform the separate, potentially breaking namespace rename implied by stale planning wording.

Validation

Token generation, lint, tests, TypeScript build, Storybook, Cloudflare preview and computed light/dark values must pass before merge.

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