Part 1 of #643 (local sessions only; remote follows as its own PR). An
opt-in, per-device header button opens a panel with the active session's
edits, newest first: every Edit/Write/MultiEdit/NotebookEdit of the main
agent and its subagents with its diff, plus images a Bash call rendered or
the agent sent. Remote, Docker and non-claude sessions answer `unsupported`.
- Reads only on request: `?sync=1` when the panel opens; while it is open on
that session it re-reads after an edit-capable `transcript:tool_end` or a
`transcript:complete` from the existing transcript watcher. No hook, timer,
second watcher or new SSE event; a wiring guard pins it.
- Main transcript: the path the transcript watcher follows (hook-reported),
else `<id>.jsonl` under the session's own CLAUDE_CONFIG_DIR override or
the server's config dir. A config dir set outside Codeman is found with
the next hook; until then the panel says so.
- Store: dataPath('edit-history')/<id>.json, 0600 via tmp+rename, capped at
500 entries and 4 MiB of diff text per session, deleted with the session,
blocked in isSensitivePath, never fed to /api/search. Every route goes
through findSessionOrFail with req.
- Images only through existing file surfaces: file-raw inside the
workspace, the attachment route with notify:false outside it.
- textContent rendering, bounded byte-offset reads, marker-class header
button, hidden on phones (locked in the mobile policy test).
Docs: Working-With-Files, Settings-Reference, architecture invariants, API
reference, CLAUDE.md key pattern.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>