perf(test): eliminate resetModules via injectable seams

src/logging/console-settings.test.ts

@@ -16,29 +16,6 @@ vi.mock("./logger.js", () => ({
 }));
 
 let loadConfigCalls = 0;
-vi.mock("node:module", async () => {
-  const actual = await vi.importActual<typeof import("node:module")>("node:module");
-  return Object.assign({}, actual, {
-    createRequire: (url: string | URL) => {
-      const realRequire = actual.createRequire(url);
-      return (specifier: string) => {
-        if (specifier.endsWith("config.js")) {
-          return {
-            loadConfig: () => {
-              loadConfigCalls += 1;
-              if (loadConfigCalls > 5) {
-                return {};
-              }
-              console.error("config load failed");
-              return {};
-            },
-          };
-        }
-        return realRequire(specifier);
-      };
-    },
-  });
-});
 type ConsoleSnapshot = {
   log: typeof console.log;
   info: typeof console.info;
@@ -53,7 +30,6 @@ let snapshot: ConsoleSnapshot;
 
 beforeEach(() => {
   loadConfigCalls = 0;
-  vi.resetModules();
   snapshot = {
     log: console.log,
     info: console.info,
@@ -66,7 +42,7 @@ beforeEach(() => {
   Object.defineProperty(process.stdout, "isTTY", { value: false, configurable: true });
 });
 
-afterEach(() => {
+afterEach(async () => {
   console.log = snapshot.log;
   console.info = snapshot.info;
   console.warn = snapshot.warn;
@@ -74,6 +50,8 @@ afterEach(() => {
   console.debug = snapshot.debug;
   console.trace = snapshot.trace;
   Object.defineProperty(process.stdout, "isTTY", { value: originalIsTty, configurable: true });
+  const logging = await import("../logging.js");
+  logging.setConsoleConfigLoaderForTests();
   vi.restoreAllMocks();
 });
 
@@ -81,6 +59,14 @@ async function loadLogging() {
   const logging = await import("../logging.js");
   const state = await import("./state.js");
   state.loggingState.cachedConsoleSettings = null;
+  logging.setConsoleConfigLoaderForTests(() => {
+    loadConfigCalls += 1;
+    if (loadConfigCalls > 5) {
+      return {};
+    }
+    console.error("config load failed");
+    return {};
+  });
   return { logging, state };
 }