fix(tui): render git branch status item (#1226)

crates/tui/src/config.rs

@@ -526,7 +526,7 @@ pub enum StatusItem {
     Cache,
     /// Context-window utilisation percent ("48%").
     ContextPercent,
-    /// Current git branch name (placeholder until wired).
+    /// Current git branch name.
     GitBranch,
     /// Elapsed time of the most recent tool call (placeholder until wired).
     LastToolElapsed,
@@ -604,7 +604,7 @@ impl StatusItem {
             StatusItem::ReasoningReplay => "thinking tokens replayed each turn",
             StatusItem::Cache => "% of prompt served from cache",
             StatusItem::ContextPercent => "tokens used / model context window",
-            StatusItem::GitBranch => "current branch (placeholder)",
+            StatusItem::GitBranch => "current workspace branch",
             StatusItem::LastToolElapsed => "ms of the most recent tool call (placeholder)",
             StatusItem::RateLimit => "remaining requests in the budget (placeholder)",
         }

crates/tui/src/tui/ui.rs

@@ -6872,7 +6872,8 @@ fn render_footer_from(
     for item in items {
         let chip = match *item {
             S::ContextPercent => footer_context_percent_spans(app),
-            S::GitBranch | S::LastToolElapsed | S::RateLimit => Vec::new(),
+            S::GitBranch => footer_git_branch_spans(app),
+            S::LastToolElapsed | S::RateLimit => Vec::new(),
             _ => continue,
         };
         if chip.is_empty() {
@@ -6897,6 +6898,16 @@ fn render_footer_from(
     props
 }
 
+fn footer_git_branch_spans(app: &App) -> Vec<Span<'static>> {
+    let Some(branch) = workspace_git_branch(&app.workspace) else {
+        return Vec::new();
+    };
+    vec![Span::styled(
+        branch,
+        Style::default().fg(app.ui_theme.text_muted),
+    )]
+}
+
 /// Spans for the "context %" footer chip. Mirrors the header colour ramp so
 /// the two surfaces stay visually consistent when both are enabled.
 fn footer_context_percent_spans(app: &App) -> Vec<Span<'static>> {

crates/tui/src/tui/ui/tests.rs

@@ -3840,6 +3840,27 @@ fn render_footer_from_drops_only_unselected_clusters() {
     );
 }
 
+#[test]
+fn render_footer_from_git_branch_item_renders_workspace_branch() {
+    let repo = init_git_repo();
+    let checkout = Command::new("git")
+        .args(["checkout", "-b", "feature/statusline"])
+        .current_dir(repo.path())
+        .output()
+        .expect("git checkout should run");
+    assert!(
+        checkout.status.success(),
+        "git checkout failed: {}",
+        String::from_utf8_lossy(&checkout.stderr)
+    );
+
+    let mut app = create_test_app();
+    app.workspace = repo.path().to_path_buf();
+
+    let props = render_footer_from(&app, &[crate::config::StatusItem::GitBranch], None);
+    assert_eq!(spans_text(&props.cache), "feature/statusline");
+}
+
 /// Regression for issue #244: visible session spend must not decrease.
 /// Sub-agent token usage events arrive out of order and may be reconciled
 /// later (cache adjustments, provisional → final swap). The displayed total