Added the Chennai district officials directory (list + detail view with responsibilities and cross-category search by responsibility), bidirectional Promise↔Activity linking on both detail pages, automatic promise status progression from Pending to In Progress when an activity is linked, and a full reconciliation of the evidence source whitelist between the database and the public Source Standards page.

Migrated TNTrack to Next.js App Router with real per-page URLs and static site export capabilities.

Added evidence confidence scoring, district constituency member mappings, and bilingual Tamil/English dictionary expansions.

Initial launch of the 17th Tamil Nadu Assembly promise ledger.