[test] add tests for --no-interaction and its alias to ensure non-interactive mode skips prompts and uses defaults

tests/integration_cli.rs

@@ -950,3 +950,30 @@ fn out_format_multiple_json_and_srt() {
 }
 
 */
+
+
+#[test]
+fn cli_no_interation_alias_skips_speaker_prompts_and_uses_defaults() {
+    let exe = env!("CARGO_BIN_EXE_polyscribe");
+
+    let input1 = manifest_path("input/1-s0wlz.json");
+    let input2 = manifest_path("input/2-vikingowl.json");
+
+    let output = Command::new(exe)
+        .arg(input1.as_os_str())
+        .arg(input2.as_os_str())
+        .arg("-m")
+        .arg("--set-speaker-names")
+        .arg("--no-interation")
+        .output()
+        .expect("failed to spawn polyscribe");
+
+    assert!(output.status.success(), "CLI did not exit successfully");
+
+    let stdout = String::from_utf8(output.stdout).expect("stdout not UTF-8");
+    let root: OutputRoot = serde_json::from_str(&stdout).unwrap();
+    let speakers: std::collections::HashSet<String> =
+        root.items.into_iter().map(|e| e.speaker).collect();
+    assert!(speakers.contains("s0wlz"), "default s0wlz not used (alias)");
+    assert!(speakers.contains("vikingowl"), "default vikingowl not used (alias)");
+}