* feat: keep the outer terminal window title in sync with the session
Herdr emulates the terminals in its panes, so an OSC 0/OSC 2 title
written inside a pane stops at Herdr and never reaches the terminal
Herdr itself runs in. That outer title is what window managers read for
title bars, tab bars, and group bars, so it kept showing whatever the
shell or ssh happened to leave behind.
Add `ui.window_title`, rendered from {hostname}, {workspace}, {tab},
{pane}, and {terminal_title}, and push it to the foreground client
whenever it changes. It renders on the server, so {hostname} names the
machine the panes actually run on rather than the machine a thin remote
client runs on, and it is gated on a pending render so an idle loop
never pays for it.
A title is only remembered as delivered once a foreground client takes
it, so the first client to attach is written to rather than skipped.
`client.window_title.set` still wins over the configured title, and
clearing it now hands the title back to `ui.window_title` instead of
only "herdr".
* fix: deliver the outer window title to a newly attached client
ClientConnected assigns the foreground client directly rather than going
through promote_client_to_foreground, so clearing the sent-title cache
there missed the case that matters most: attaching a second terminal to a
running session. The title was usually unchanged, so the sync returned
early and the new terminal kept whatever its shell or ssh had left.
Key the cache on the client that received the title instead of relying on
every foreground assignment to invalidate it.
* perf: keep hidden pane output off the window title path
Output from a hidden or background pane sets needs_render without setting
needs_full_render, and the retained render plan then skips presentation
for it entirely. Syncing the title on needs_render meant every coalesced
hidden-output tick still formatted, sanitized, and allocated a title that
could not have changed, against the hidden-source early exit AGENTS.md
requires.
Every input to the title is app state, which always requests a full
render, so gate on that instead. The one exception is the focused pane's
own terminal title, which arrives through PTY parsing, so ask for a full
render when that changes and the configured title uses it.
* fix: only cache a window title a client writer received
* fix: carry an api set window title across a live handoff
* fix: make outer window title updates event-driven
---------
Co-authored-by: Ogulcan Celik <ogulcancelik@gmail.com>
Enable termination-signal handling so SIGHUP and SIGTERM follow the graceful
quit path and restore terminal state. Log handler registration failures and
add PTY coverage for direct SIGHUP and server EOF restoration
Co-authored-by: Matt Coles <macols@amazon.com>
Make herdr persistent by default.
Launching herdr now starts or reattaches to a background session
server. Clients can detach and reattach while panes and agent
processes keep running. Session mode now supports multi-client attach,
auto-detect startup, and a thin-client/headless-server split.
This also refactors the large app, ui, input, pane, config,
workspace, and persistence modules into smaller focused submodules,
while preserving behavior and colocating tests with the code they
exercise.
Upgrade notes:
- persistence mode is now the default
- in-app quit detaches the current client instead of stopping the server
- use `herdr server stop` to stop the background session
- use `--no-session` for the old single-process behavior
- default socket paths now live under the config directory
Ogulcan Celik