feat: add login navbar and public About/Contact/Privacy pages

Admin Auth: Resolved 422 error by making login endpoint flexible

Admin API: Integrated full dashboard sync (Ads, Articles, Sources, History)

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Stabilization: Mobile Nav, Ad Bar, Source Nodes sync, and Protocol History implementation

fix(manual-article): ensure updated articles jump to first place

fix(manual-article): handle duplicate URLs and ensure atomic transactions

Stabilization: Sync, History, and UI Fixes

Stabilize Intelligence Agent: Fix login, translation, ordering, and UI regressions

Fix UI language, manual sync, and new global nodes

Finalized UI layout and sidebar fixes

fix: lean deployment with synchronization fixes