fix(server): detect localized Windows command errors (#2152)

Co-authored-by: macroscopeapp[bot] <170038800+macroscopeapp[bot]@users.noreply.github.com>

Author: raulpesilva

apps/server/src/processRunner.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
 
-import { runProcess } from "./processRunner.ts";
+import { isWindowsCommandNotFound, runProcess } from "./processRunner.ts";
 
 describe("runProcess", () => {
   it("fails when output exceeds max buffer in default mode", async () => {
@@ -21,3 +21,21 @@ describe("runProcess", () => {
     expect(result.stderrTruncated).toBe(false);
   });
 });
+
+describe("isWindowsCommandNotFound", () => {
+  it("matches the localized German cmd.exe error text", () => {
+    const originalPlatform = process.platform;
+    Object.defineProperty(process, "platform", { value: "win32", configurable: true });
+
+    try {
+      expect(
+        isWindowsCommandNotFound(
+          1,
+          "wird nicht als interner oder externer Befehl, betriebsfahiges Programm oder Batch-Datei erkannt",
+        ),
+      ).toBe(true);
+    } finally {
+      Object.defineProperty(process, "platform", { value: originalPlatform, configurable: true });
+    }
+  });
+});

apps/server/src/processRunner.ts

@@ -37,10 +37,23 @@ function normalizeSpawnError(command: string, args: readonly string[], error: un
   return new Error(`Failed to run ${commandLabel(command, args)}: ${error.message}`);
 }
 
+const WINDOWS_COMMAND_NOT_FOUND_PATTERNS = [
+  /is not recognized as an internal or external command/i,
+  /n.o . reconhecido como um comando interno/i,
+  /non . riconosciuto come comando interno o esterno/i,
+  /n.est pas reconnu en tant que commande interne/i,
+  /no se reconoce como un comando interno o externo/i,
+  /wird nicht als interner oder externer befehl/i,
+] as const;
+
+function hasWindowsCommandNotFoundMessage(output: string): boolean {
+  return WINDOWS_COMMAND_NOT_FOUND_PATTERNS.some((pattern) => pattern.test(output));
+}
+
 export function isWindowsCommandNotFound(code: number | null, stderr: string): boolean {
   if (process.platform !== "win32") return false;
   if (code === 9009) return true;
-  return /is not recognized as an internal or external command/i.test(stderr);
+  return hasWindowsCommandNotFoundMessage(stderr);
 }
 
 function normalizeExitError(