tui: add branch to 'codex resume', filter by cwd (#6232)

By default, show only sessions that shared a cwd with the current cwd.
`--all` shows all sessions in all cwds. Also, show the branch name from
the rollout metadata.

<img width="1091" height="638" alt="Screenshot 2025-11-04 at 3 30 47 PM"
src="https://github.com/user-attachments/assets/aae90308-6115-455f-aff7-22da5f1d9681"
/>

codex-rs/tui/src/cli.rs

@@ -28,6 +28,10 @@ pub struct Cli {
     #[clap(skip)]
     pub resume_session_id: Option<String>,
 
+    /// Internal: show all sessions (disables cwd filtering and shows CWD column).
+    #[clap(skip)]
+    pub resume_show_all: bool,
+
     /// Model the agent should use.
     #[arg(long, short = 'm')]
     pub model: Option<String>,