fix: identify script/module launch vs repl launch from terminal (#24844)

closes #24526

Author: karthiknadig

src/client/telemetry/index.ts

@@ -1972,8 +1972,13 @@ export interface IEventNamePropertyMapping {
     [EventName.REPL]: {
         /**
          * Whether the user launched the Terminal REPL or Native REPL
+         *
+         * Terminal - Terminal REPL user ran `Python: Start Terminal REPL` command.
+         * Native - Native REPL user ran `Python: Start Native Python REPL` command.
+         * manualTerminal - User started REPL in terminal using `python`, `python3` or `py` etc without arguments in terminal.
+         * runningScript - User ran a script in terminal like `python myscript.py`.
          */
-        replType: 'Terminal' | 'Native' | 'manualTerminal';
+        replType: 'Terminal' | 'Native' | 'manualTerminal' | `runningScript`;
     };
     /**
      * Telemetry event sent if and when user configure tests command. This command can be trigerred from multiple places in the extension. (Command palette, prompt etc.)

src/client/terminals/codeExecution/terminalReplWatcher.ts

@@ -3,16 +3,24 @@ import { onDidStartTerminalShellExecution } from '../../common/vscodeApis/window
 import { sendTelemetryEvent } from '../../telemetry';
 import { EventName } from '../../telemetry/constants';
 
-function checkREPLCommand(command: string): boolean {
+function checkREPLCommand(command: string): undefined | 'manualTerminal' | `runningScript` {
     const lower = command.toLowerCase().trimStart();
-    return lower.startsWith('python') || lower.startsWith('py ');
+    if (lower.startsWith('python') || lower.startsWith('py ')) {
+        const parts = lower.split(' ');
+        if (parts.length === 1) {
+            return 'manualTerminal';
+        }
+        return 'runningScript';
+    }
+    return undefined;
 }
 
 export function registerTriggerForTerminalREPL(disposables: Disposable[]): void {
     disposables.push(
         onDidStartTerminalShellExecution(async (e: TerminalShellExecutionStartEvent) => {
-            if (e.execution.commandLine.isTrusted && checkREPLCommand(e.execution.commandLine.value)) {
-                sendTelemetryEvent(EventName.REPL, undefined, { replType: 'manualTerminal' });
+            const replType = checkREPLCommand(e.execution.commandLine.value);
+            if (e.execution.commandLine.isTrusted && replType) {
+                sendTelemetryEvent(EventName.REPL, undefined, { replType });
             }
         }),
     );