fix: make distributions admin-only

fix: run rustfmt for handlers

feat: add distribution backend

test: add linkedin create/update coverage

feat: add linkedin account to profiles

feat: add per-issue tracing logs and update env.example with GitHub vars

fix: use Npts label format per notebook and clean integration test diff

fix: resolve clippy unnecessary_map_or in github sync tests

chore: apply PR review fixes and add GET /github/issues

refactor: address PR feedback - field renames, env vars, auth, and docs

fix: format code and resolve reqwest version conflict

chores: clippy errors

fix: resolve clippy warnings for CI

feat: add GitHub issue ingestion with admin sync endpoint (#74)

frontend for twitter implemented