7bc8c839d8
processes.gitea-issues: document the backfilled release timeline — 2026-02/03 pre-pilot, 2026-04/05 pilots, 2026-06 production go-live (17 June), 2026-07 current. Notes the close-date scoping, the 100%-closed historical milestones, and the search-API pagination gotcha (newest-first, ~200 cap).