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path: root/crates/dinggerd/src/restore.rs
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2026-10-23restore Claude Code agents in their own sessionsIgor Soarez
`dingger install claude` adds a SessionStart hook to Claude's settings (every other key and hook kept, in order; the original backed up; written through a symlink; installing again changes nothing). The hook is `dingger hook claude`: it reports the session's transcript for its tmux pane, prints nothing (Claude adds SessionStart output to the conversation) and always exits 0. Claude's state still comes from its screen. restore types `claude --resume <id>` in the directory the session ran in (elsewhere, Claude moves the conversation there). it resumes an agent only when its session file exists: a Claude session that never got a message has no transcript, and `--resume` fails ("No conversation found"). the snapshot now keeps an agent's command line too, so such a pane gets it retyped instead of nothing. - the hook receiver takes a report without a state: only the session. - a report that arrives after the watcher listed the panes is not dropped as "agent gone": Claude reports once, as it starts. - serde_json preserve_order (indexmap is already a dependency, via toml). e2e step 18: install against a settings file like a real one, a fake claude running the exact installed hook command, resume by id, retype without a transcript, the resumed agent reporting again. a server that restore starts now gets the test's plain shells: it got the user's login shell, whose profile put the real claude first, which started (stuck at its trust dialog) during development. every test restore now checks that no real pi or claude runs in a test pane.
2026-10-23restore: log an offer's withdrawal only when one was offeredIgor Soarez
2026-10-23restore, step 3: offer it in the panel, menu, and status lineIgor Soarez
when tmux stops (and its sessions are missing from the running server, or no server runs), the daemon publishes the restore offer: offer.json for the menu bar app and @dingger_restore for the status line, withdrawn once restored or dismissed. - panel: a first row "↺ Restore 9 sessions · 22 agents" with when it was saved and how many agents were mid-turn; clicking restores, "Not now" dismisses. an offer shows the panel like a waiting agent; off stays off. - menu: the offer on top; restore all, one session, or not now. - status line: a clickable blue ↺N before the clock. - restore runs through the user's login shell, as a terminal starts tmux, so restored panes get a real environment, not launchd's; --report writes restore.log and notifies a summary. restore --dismiss. - commands log only warnings by default; SIGPIPE ends them quietly. e2e: the offer through the real menu bar binary, the summary notification, the offer clearing, a restore with no tmux running, and not now staying dismissed when a terminal starts tmux. the second test daemon is started directly (it leaked through a function's $! before, and dozens of leaked daemons fought over the test socket and loaded the machine); each run uses its own socket and checks its daemons stop.
2026-10-23restore, step 2: resume agents, retype command linesIgor Soarez
- the pi extension reports its session file; the daemon keeps it in the pane option @agent_session, and snapshots carry it. restore runs `pi --session <file>` in the rebuilt pane, one agent every 0.5s, then reports which agents run and which were interrupted mid-turn. - other panes: the command line running in them is typed at the new prompt but not run. exactly as typed with the zsh hook (dingger install zsh: preexec/precmd keep @dingger_cmd), else the foreground program's exact argv from the kernel (KERN_PROCARGS2), shell-quoted. - "at a prompt" is the pane's own shell owning the terminal's foreground process group, not a name check: `sh -c ...` is a running program. - an agent or command that exits keeps its place in snapshots for 60s, so a shutdown that stops programs before tmux still restores them. - typing waits for each new prompt (text typed earlier echoes twice). e2e step 16 covers resume with a session path containing a space, the interrupted report, an agent that exits just before the server dies, a quoted command retyped not run, and the hook's text; dropping the grace period, judging prompts by name, running retyped commands, or not storing the session reference each fail it. the test's fake pi is guarded so a real pi never starts.
2026-10-23restore, step 1: layout snapshots and dingger restoreIgor Soarez
the daemon saves the tmux layout when it changes: sessions, windows (index, name, automatic-rename, layout, size, zoom, active), and panes (directory, active, agent). a new history file for layout changes, a rewrite for details, the last 50 kept, nothing saved while tmux is down. when a different server runs (or none), the old server's last snapshot is pinned as the restore candidate before the new server's snapshots start. dingger restore rebuilds missing sessions by tmux id: panes split from the newest so they keep their order, the saved layout applied at the saved size, then the size released so windows follow clients again. a bare session of the same name (a terminal's `new-session -As 0`) is replaced, its clients switched over first; used sessions are kept. --dry-run, --list, --from, --session. e2e step 16 kills a server with a client attached like ghostty's, restarts it, restores, and compares every window and pane; splitting the wrong pane, not replacing bare sessions, not pinning, or keeping the saved size each fail it. e2e keeps its state in its temp dir.