Make Home/End jump to a selected branch's first and last changesets - #87
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Summary
In the Graph tab, Home/End already jumped to the oldest/newest commit of the selected changeset's branch — but with a branch selected (its changes view open), the keys did nothing useful. Now they jump to the selected branch's first and last changesets, selecting that commit just like the changeset-selected path.
branchEndpoint(layout, row, edge)ingeometry.ts: walks the row's own chain (so a lane shared by two packed chains never leaks into the neighbor); an empty branch resolves both edges to its anchor commit.GraphCanvas.tsxHome/End handler gains the branch-selected case; Home with nothing selected keeps its classic frame-the-home-changeset meaning.Tests
branchEndpoint: normal branch, single-commit branch, two chains packing one lane, and the empty-branch anchor fallback.lint,typecheck,bun test(836 pass) all green.featurelabel then pressing End selects "feature commit 4", Home selects "feature commit 1".🤖 Generated with Claude Code