Add interactive deletion of sessions (#2357)

Co-authored-by: Yingjie He <yingjiehe@squareup.com>

crates/goose-cli/src/cli.rs

@@ -90,17 +90,12 @@ enum SessionCommand {
         )]
         ascending: bool,
     },
-    #[command(about = "Remove sessions")]
+    #[command(about = "Remove sessions. Runs interactively if no ID or regex is provided.")]
     Remove {
-        #[arg(short, long, help = "session id to be removed", default_value = "")]
-        id: String,
-        #[arg(
-            short,
-            long,
-            help = "regex for removing matched session",
-            default_value = ""
-        )]
-        regex: String,
+        #[arg(short, long, help = "Session ID to be removed (optional)")]
+        id: Option<String>,
+        #[arg(short, long, help = "Regex for removing matched sessions (optional)")]
+        regex: Option<String>,
     },
 }