Enable 5 previously skipped e2e tests

- Fix OIDC tests with route interception for auth-methods API
- Add data-testid to DecisionCard for reliable test selection
- Fix /api/today to fetch fresh user data instead of stale cookie data
- Fix period logging test timing with proper API wait patterns
- Fix decision engine test with waitForResponse instead of timeout
- Simplify mobile viewport test locator

All 206 e2e tests now pass with 0 skipped.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app/api/today/route.test.ts

@@ -14,7 +14,22 @@ let currentMockDailyLog: DailyLog | null = null;
 
 // Create mock PocketBase client
 const mockPb = {
-  collection: vi.fn(() => ({
+  collection: vi.fn((collectionName: string) => ({
+    // Mock getOne for fetching fresh user data
+    getOne: vi.fn(async () => {
+      if (collectionName === "users" && currentMockUser) {
+        // Return user data in PocketBase record format
+        return {
+          id: currentMockUser.id,
+          email: currentMockUser.email,
+          lastPeriodDate: currentMockUser.lastPeriodDate?.toISOString(),
+          cycleLength: currentMockUser.cycleLength,
+          activeOverrides: currentMockUser.activeOverrides,
+          garminConnected: currentMockUser.garminConnected,
+        };
+      }
+      throw new Error("Record not found");
+    }),
     getFirstListItem: vi.fn(async () => {
       if (!currentMockDailyLog) {
         const error = new Error("No DailyLog found");