git_history_lens

Expanded git dimension in scope_pane: focus-centric development history, not a Source Control duplicate.
Layout:
- Header: branch name, HEAD short hash, muted summary ( e. g. " main · 3 commits · 2 authors " ).
- Focus history ( primary ): up to ~ 8 commits touching the focus file / idea line range — relative time, short hash, subject, author.
Prefer `git log -L` for `.rq` ideas; fall back to path log. Non-. rq uses path `--follow`.
- Authors: compact chip row of top authors from that log window.
- Working tree ( secondary, collapsed by default ): dirty staged / unstaged paths for caution / footprint only.
Focus hero: history cue ( last commit age / branch ), not `git: staged|unstaged`.
Fingerprint Git axis and drilldown list commits / authors ( dirty paths secondary ) per fingerprint_axis_drilldown and tooltip_detail.
Aligns with git_context and development_history_signals.
Implemented by ScopePane.svelte ContextFingerprint.svelte.

Status: done

Interactive page: git_history_lens