Ask about the chat's own folder when deleting a chat

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/src/store.rs

@@ -409,6 +409,16 @@ impl Store {
         Ok(())
     }
 
+    /// (title, cwd) of all other chats (subagent sessions of this chat excluded).
+    pub fn other_session_cwds(&self, id: &str) -> Result<Vec<(String, String)>> {
+        let conn = self.conn.lock().unwrap();
+        let mut stmt = conn.prepare(
+            "SELECT COALESCE(json_extract(data, '$.title'), ''), COALESCE(json_extract(data, '$.cwd'), '') FROM sessions WHERE id != ?1 AND COALESCE(parent_id, '') != ?1",
+        )?;
+        let rows = stmt.query_map([id], |r| Ok((r.get(0)?, r.get(1)?)))?;
+        Ok(rows.collect::<std::result::Result<_, _>>()?)
+    }
+
     pub fn add_message(&self, session_id: &str, m: &Message) -> Result<()> {
         // Images go to the blob table (encoded before taking the lock).
         let mut m = m.clone();