test: prove TechLog UI migration parity

playwright.visual.config.ts

@@ -16,15 +16,17 @@ export default defineConfig({
     toHaveScreenshot: {
       animations: "disabled",
       caret: "hide",
-      maxDiffPixelRatio: 0.002,
-      scale: "css",
+      maxDiffPixels: 0,
+      maxDiffPixelRatio: 0,
+      scale: "device",
     },
   },
   use: {
     ...devices["Desktop Chrome"],
     baseURL: "http://127.0.0.1:4174",
     colorScheme: "light",
-    locale: "en-US",
+    locale: "ko-KR",
+    timezoneId: "Asia/Seoul",
     trace: "retain-on-failure",
   },
   webServer: {
@@ -33,5 +35,10 @@ export default defineConfig({
     url: "http://127.0.0.1:4174",
     reuseExistingServer: false,
   },
-  projects: [{ name: "chromium-visual" }],
+  projects: [
+    {
+      name: "chromium",
+      use: { ...devices["Desktop Chrome"], deviceScaleFactor: 1 },
+    },
+  ],
 });