Read a timeout in units, share one usage answer, and let a tilde mean home

The composer's settings row is outlined bubbles opening round menus, and
the message box is a TextFieldValue so anything put into it without being
typed -- a draft, a share, a slash command -- leaves the cursor at the end.

A tap that puts a text selection away no longer also collapses the card the
text was drawn in: every open and close on the session screen goes through
one guard that spends such a press on the selection.

The usage bar and the usage dialog were two polls of one measurement and
disagreed for up to a minute at a time; they are one feed now, and the
countdown rounds up to the minute in the one place both read.

A working directory typed as ~/repos/ai-app was four literal characters on
the local transport and as an argument on both, so the existence check
refused every home-relative path. It is checked by entering the directory
now, expanded for a local spawn the way the remote shell expands it, and
stored short so the phone draws what somebody would write.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

server/src/routes.rs

@@ -1177,8 +1177,18 @@ async fn set_cwd(
             setup.name
         )));
     }
+    // Stored in the short form, so the one path that is kept is the one
+    // the phone will draw -- rather than storing `/home/bob/…` and
+    // abbreviating it again at each place it is shown, which is two
+    // representations of one directory and a second rule to keep in step.
+    // Only where the setup runs here; see `setups::shorten_home`.
+    let stored = if setup.ssh.is_none() {
+        crate::setups::shorten_home(&cwd)
+    } else {
+        cwd.clone()
+    };
     manager
-        .set_session_cwd(&id, PathBuf::from(&cwd))
+        .set_session_cwd(&id, PathBuf::from(&stored))
         .map_err(bad_request)?;
     Ok(StatusCode::NO_CONTENT)
 }