feat: add static-first history browsing

[benvinegar]

Problem

Hunk makes individual changesets easy to understand, but finding the commit to review still requires leaving Hunk and assembling a personal git log workflow. This adds a static-first history entry point with an explicit interactive path into the existing review UI.

Approach

• add hunk log with Git-like medium output by default and explicit compact/oneline formats
• render full commit metadata, graph topology, branches, remotes, and tags using Hunk's existing theme system
• add hunk log --interactive with keyboard search/navigation, mouse selection, clickable commit ids, and return to the retained history position
• expose a bounded, cancellable history cursor and provider-owned review planning through extension API v17
• implement the public history capability in the bundled Git and Jujutsu adapters
• stream provider output with backpressure and preserve clean pipe, pager, color, Unicode/ASCII, and terminal cleanup behavior

The built-in surface owns command dispatch, graph planning, presentation, themes, terminal lifecycle, and review orchestration. Repository semantics—including enumeration, immutable identities, decorations, parent topology, and root/merge review planning—remain in bundled or third-party VCS extensions through the same public API.

Non-goals

This is not a repository dashboard or mutation client. It does not add checkout, staging, branch management, rebase, push, or permanent diff/status panes. A follow-up will explore reusing more of Hunk's desktop chrome in the explicit interactive surface.

Validation

• bun run typecheck
• focused history, extension-boundary, Git, Jujutsu, projection, pager, and CLI tests
• full unit suite: 1,870 passed, 2 skipped
• PTY integration suite: 141 passed, 1 skipped
• TTY smoke suite: 9 passed
• bun run check:docs
• bun run deps:check
• lint and changed-file formatting checks
• manual tmux checks for static output, narrow/ASCII output, rapid input, opening a selected commit, and returning to retained history

Tested on Linux with Git, Jujutsu, tmux, and a real TTY. Windows behavior is covered by portable paths and tests but was not executed on Windows.

Visual evidence

Manual real-terminal validation was performed, but media has not yet been uploaded. This PR remains draft while visual evidence and any maintainer-requested product discussion are added.

Known limitations / follow-up

• interactive history currently uses its focused terminal surface rather than the shared review menu chrome
• Git and Jujutsu expose only history operations their CLIs can represent honestly; unsupported provider filters return explicit errors
• Windows was not tested directly

This PR description was generated by Pi using GPT-5.6-sol

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Project	Deployment	Actions	Updated
hunk-web	Ready	Preview	Sep 5, 2026 10:54pm UTC

[greptile-apps]

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