wip: in-progress changes (grid, config, wizard, settings, pty) before session-persistence

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/src-tauri/src/bridge.rs

@@ -422,6 +422,11 @@ pub async fn health(state: BridgeState<'_>) -> Result<Value, String> {
     data_of(state.request(Cmd::Health).await.map_err(|e| e.to_string())?)
 }
 
+#[tauri::command]
+pub async fn which_agents(state: BridgeState<'_>, candidates: Vec<String>) -> Result<Value, String> {
+    data_of(state.request(Cmd::WhichAgents { candidates }).await.map_err(|e| e.to_string())?)
+}
+
 // ---- Update check ----
 
 /// Where the GUI looks for the published app version. Overridable via
@@ -481,6 +486,25 @@ pub fn open_external(url: String) -> Result<(), String> {
     Ok(())
 }
 
+/// List the user's installed font families (CoreText) so Settings can offer any of
+/// them for the terminal. Hidden system families (".SF NS" etc.) are dropped; the
+/// result is de-duplicated and sorted case-insensitively.
+#[tauri::command]
+pub fn list_fonts() -> Vec<String> {
+    use std::collections::BTreeSet;
+    let names = core_text::font_collection::get_family_names();
+    let mut set: BTreeSet<String> = BTreeSet::new();
+    for name in names.iter() {
+        let s = name.to_string();
+        if !s.is_empty() && !s.starts_with('.') {
+            set.insert(s);
+        }
+    }
+    let mut v: Vec<String> = set.into_iter().collect();
+    v.sort_by_key(|s| s.to_lowercase());
+    v
+}
+
 // ---- Settings commands ----
 
 #[tauri::command]