- render a VSCode-style commit graph in the source control history:
lane-assignment algorithm, SVG strip with colored rails, merge and
branch curves, commit dots, and branch/tag badges per commit
- /commits returns parents and ref decorations across all branches
(--branches --remotes --tags --topo-order) using unit-separator
fields so pipes in commit subjects can't break parsing
- collect stats via a single --shortstat pass instead of one
`git show --stat` call per commit; raise the history limit to 50
- replace child_process spawn with cross-spawn in all runtimes,
routes, and services: it resolves .cmd shims and PATHEXT on
Windows (fixing taskmaster's npx invocations) and delegates to
native spawn elsewhere, removing the per-file win32 ternaries
- unit tests for the log parser and lane assignment
