fix: stabilize browser and Android verification

android/Dockerfile

@@ -64,7 +64,10 @@ RUN android --no-metrics --sdk="${ANDROID_HOME}" sdk install \
     "${ANDROID_EMULATOR_SYSTEM_IMAGE}" \
     && chown -R gradle:gradle "${ANDROID_HOME}"
 
-ARG ANDROID_EMULATOR_DATA_PARTITION_SIZE=4G
+# The device suite stores only the two APKs and short-lived test data. A 1 GiB
+# userdata partition passed the complete API 30/34/37 matrix on 2026-07-20;
+# 4 GiB made API 34 exceed Docker's writable-layer space before boot.
+ARG ANDROID_EMULATOR_DATA_PARTITION_SIZE=1G
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \

compose.e2e.yaml

@@ -41,4 +41,7 @@ services:
         condition: service_started
     volumes:
       - ${E2E_OUTPUT_DIR:?Set an ignored E2E_OUTPUT_DIR}:/work/output
-    networks: [internal]
+    # The browser needs the application/data plane on `internal` and the
+    # Traefik service on `ingress`. Both networks are internal in compose.yaml,
+    # so the isolated E2E runner still has no route to the public Internet.
+    networks: [internal, ingress]

e2e/tests/helpers.ts

@@ -152,6 +152,13 @@ export function captureBrowserFailures(
   options: { recoverableOneTimeNavigations?: Set<string> } = {},
 ): () => void {
   const failures: string[] = [];
+  const pendingTransientNavigations = new Map<string, string>();
+
+  page.on("framenavigated", (frame) => {
+    if (frame === page.mainFrame()) {
+      pendingTransientNavigations.delete(frame.url());
+    }
+  });
 
   page.on("console", (message) => {
     if (message.type() === "error") {
@@ -179,12 +186,25 @@ export function captureBrowserFailures(
     const recoverableOneTimeNavigation =
       options.recoverableOneTimeNavigations?.has(request.url()) === true &&
       isTransientNetworkError(failure);
+    const pendingTransientNavigation =
+      request.isNavigationRequest() &&
+      new URL(request.url()).origin === new URL(baseURL).origin &&
+      isTransientNetworkError(failure);
 
     // MapLibre cancels in-flight raster tiles when a LiveView navigation
     // destroys or re-centres a map. Chromium also aborts the old document's
     // static assets when a bounded navigation retry replaces that document.
-    // Actual tile/network failures retain their engine error and remain test
+    // A same-origin document navigation may fail once while the public tunnel
-    // failures.
+    // changes networks. Keep that failure pending until the same URL actually
+    // commits; an unrecovered navigation remains a test failure.
+    if (pendingTransientNavigation) {
+      pendingTransientNavigations.set(
+        request.url(),
+        `requestfailed: ${request.method()} ${request.url()} ${failure}`,
+      );
+      return;
+    }
+
     if (
       (rasterTile && cancelled) ||
       replacedDocumentAsset ||
@@ -198,7 +218,10 @@ export function captureBrowserFailures(
     );
   });
 
-  return () => expect(failures, failures.join("\n")).toEqual([]);
+  return () => {
+    const unresolved = [...failures, ...pendingTransientNavigations.values()];
+    expect(unresolved, unresolved.join("\n")).toEqual([]);
+  };
 }
 
 export async function latestMessageID(
@@ -350,18 +373,12 @@ export async function loginWithPassword(
   const page = await context.newPage();
 
   for (let attempt = 1; attempt <= 3; attempt += 1) {
-    await gotoWithTransientRetry(page, "/users/log-in");
-    const form = page.locator("#login_form_password");
-    await form.getByLabel("Email").fill(email);
-    await form.getByLabel("Password").fill(password);
-    await expect(form.getByLabel("Password")).toHaveValue(password);
-
     let navigationFailure = "";
     const recordNavigationFailure = (request: Request): void => {
       if (
         request.isNavigationRequest() &&
-        request.method() === "POST" &&
+        new URL(request.url()).origin === new URL(baseURL).origin &&
-        new URL(request.url()).pathname === "/users/log-in"
+        isTransientNetworkError(request.failure()?.errorText ?? "")
       ) {
         navigationFailure = request.failure()?.errorText ?? "";
       }
@@ -370,8 +387,16 @@ export async function loginWithPassword(
     page.on("requestfailed", recordNavigationFailure);
 
     try {
+      await gotoWithTransientRetry(page, "/users/log-in");
+      const form = page.locator("#login_form_password");
+      await form.getByLabel("Email").fill(email);
+      await form.getByLabel("Password").fill(password);
+      await expect(form.getByLabel("Password")).toHaveValue(password);
       await form.getByRole("button", { name: "Log in only this time" }).click();
       await expect(page).not.toHaveURL(/\/users\/log-in$/, { timeout: 10_000 });
+      await expect(page.getByText(email, { exact: true })).toBeVisible({
+        timeout: 10_000,
+      });
       return { context, page, email };
     } catch (error) {
       if (await page.getByText("Invalid email or password").isVisible()) {
@@ -380,7 +405,10 @@ export async function loginWithPassword(
 
       if (
         attempt === 3 ||
-        !isTransientNetworkError(navigationFailure)
+        (!isTransientNetworkError(navigationFailure) &&
+          !isTransientNetworkError(
+            error instanceof Error ? error.message : String(error),
+          ))
       ) {
         throw error;
       }

scripts/android-browser-staging-e2e.sh

@@ -379,6 +379,11 @@ fi
 
 run_browser_phase observe_stopped
 run_fixture_tool verify >"$output_dir/fixture-verify.log"
+docker run --rm \
+  --volume "$output_dir:/output" \
+  --entrypoint sh \
+  "$tools_image" \
+  -euc "chown $(id -u):$(id -g) /output/fixture-verification.json; chmod 600 /output/fixture-verification.json"
 
 adb logcat -d -s WhoNeedHelpWebView:D AndroidRuntime:E '*:S' \
   >"$output_dir/logcat-before-cleanup.txt"

scripts/android-instrumentation-test.sh

@@ -6,7 +6,9 @@ ANDROID_ENV="$ROOT/.env"
 TEST_ENV="$ROOT/.env.android-test"
 run_id=$(date -u +%Y%m%d%H%M%S)-$$
 android_api=${WNH_ANDROID_TEST_API:-37.0}
-android_data_partition_size=${WNH_ANDROID_TEST_DATA_PARTITION_SIZE:-4G}
+# 1G is measured against the complete API 30/34/37 suite. It can still be
+# overridden for a future test that intentionally stores more device data.
+android_data_partition_size=${WNH_ANDROID_TEST_DATA_PARTITION_SIZE:-1G}
 
 if ! printf '%s\n' "$android_data_partition_size" |
     grep -Eq '^[1-9][0-9]*[GKM]$'; then