Added timestamps to project logging

tests/integration_test.rs

@@ -831,6 +831,7 @@ fn test_full_project_structure() {
         "monitor.sh",
         "monitor.bat",
         "_detect_port.ps1",
+        "_monitor_filter.ps1",
         "test/CMakeLists.txt",
         "test/test_unit.cpp",
         "test/run_tests.sh",
@@ -1414,6 +1415,7 @@ fn test_refresh_freshly_extracted_is_up_to_date() {
         "upload.sh", "upload.bat",
         "monitor.sh", "monitor.bat",
         "_detect_port.ps1",
+        "_monitor_filter.ps1",
         "test/run_tests.sh", "test/run_tests.bat",
     ];
 
@@ -1478,6 +1480,7 @@ fn test_refresh_does_not_list_user_files() {
         "upload.sh", "upload.bat",
         "monitor.sh", "monitor.bat",
         "_detect_port.ps1",
+        "_monitor_filter.ps1",
         "test/run_tests.sh", "test/run_tests.bat",
     ];
 
@@ -1865,4 +1868,106 @@ fn test_script_errors_mention_toml_section_syntax() {
             script
         );
     }
+}
+
+// ==========================================================================
+// Monitor: --timestamps and --log flags
+// ==========================================================================
+
+#[test]
+fn test_monitor_scripts_accept_timestamps_flag() {
+    let tmp = TempDir::new().unwrap();
+    let ctx = TemplateContext {
+        project_name: "ts_test".to_string(),
+        anvil_version: "1.0.0".to_string(),
+        board_name: "uno".to_string(),
+        fqbn: "arduino:avr:uno".to_string(),
+        baud: 115200,
+    };
+    TemplateManager::extract("basic", tmp.path(), &ctx).unwrap();
+
+    for script in &["monitor.sh", "monitor.bat"] {
+        let content = fs::read_to_string(tmp.path().join(script)).unwrap();
+        assert!(
+            content.contains("--timestamps"),
+            "{} should accept --timestamps flag",
+            script
+        );
+    }
+}
+
+#[test]
+fn test_monitor_scripts_accept_log_flag() {
+    let tmp = TempDir::new().unwrap();
+    let ctx = TemplateContext {
+        project_name: "log_test".to_string(),
+        anvil_version: "1.0.0".to_string(),
+        board_name: "uno".to_string(),
+        fqbn: "arduino:avr:uno".to_string(),
+        baud: 115200,
+    };
+    TemplateManager::extract("basic", tmp.path(), &ctx).unwrap();
+
+    for script in &["monitor.sh", "monitor.bat"] {
+        let content = fs::read_to_string(tmp.path().join(script)).unwrap();
+        assert!(
+            content.contains("--log"),
+            "{} should accept --log flag for file output",
+            script
+        );
+    }
+}
+
+#[test]
+fn test_monitor_sh_has_timestamp_format() {
+    // The timestamp format should include hours, minutes, seconds, and millis
+    let tmp = TempDir::new().unwrap();
+    let ctx = TemplateContext {
+        project_name: "ts_fmt".to_string(),
+        anvil_version: "1.0.0".to_string(),
+        board_name: "uno".to_string(),
+        fqbn: "arduino:avr:uno".to_string(),
+        baud: 115200,
+    };
+    TemplateManager::extract("basic", tmp.path(), &ctx).unwrap();
+
+    let content = fs::read_to_string(tmp.path().join("monitor.sh")).unwrap();
+    assert!(
+        content.contains("%H:%M:%S"),
+        "monitor.sh should use HH:MM:SS timestamp format"
+    );
+    assert!(
+        content.contains("%3N"),
+        "monitor.sh should include milliseconds in timestamps"
+    );
+}
+
+#[test]
+fn test_monitor_sh_timestamps_work_in_watch_mode() {
+    // The timestamp filter should also apply in --watch mode
+    let tmp = TempDir::new().unwrap();
+    let ctx = TemplateContext {
+        project_name: "watch_ts".to_string(),
+        anvil_version: "1.0.0".to_string(),
+        board_name: "uno".to_string(),
+        fqbn: "arduino:avr:uno".to_string(),
+        baud: 115200,
+    };
+    TemplateManager::extract("basic", tmp.path(), &ctx).unwrap();
+
+    let content = fs::read_to_string(tmp.path().join("monitor.sh")).unwrap();
+
+    // The filter function should be called in the watch loop
+    assert!(
+        content.contains("monitor_filter"),
+        "monitor.sh should use a filter function for timestamps"
+    );
+
+    // Count usages of monitor_filter - should appear in both watch and non-watch
+    let filter_count = content.matches("monitor_filter").count();
+    assert!(
+        filter_count >= 3,
+        "monitor_filter should be defined and used in both watch and normal mode (found {} refs)",
+        filter_count
+    );
 }