Add 3 passing UI tests (batch 3): deep links and trial expiration

TC-125: feels://subscribe deep link opens subscription view
TC-126: Malformed deep link (feels://invalidpath) does not crash
TC-078: Trial expired state shows "Trial expired" banner in Settings

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Tests iOS/DeepLinkTests.swift

@@ -0,0 +1,73 @@
+//
+//  DeepLinkTests.swift
+//  Tests iOS
+//
+//  TC-125, TC-126: Deep link handling.
+//
+
+import XCTest
+
+final class DeepLinkTests: BaseUITestCase {
+    override var seedFixture: String? { "empty" }
+    override var bypassSubscription: Bool { false }
+    override var expireTrial: Bool { true }
+
+    /// TC-126: Opening a malformed deep link does not crash the app.
+    func testDeepLink_MalformedURL_NoCrash() {
+        // Verify app launched and is on Day tab
+        let tabBar = TabBarScreen(app: app)
+        XCTAssertTrue(
+            tabBar.dayTab.waitForExistence(timeout: 5),
+            "App should launch to Day tab"
+        )
+
+        // Send a malformed deep link
+        let malformedURL = URL(string: "feels://invalidpath")!
+        app.open(malformedURL)
+
+        // App should still be running and responsive — verify Day tab still exists
+        XCTAssertTrue(
+            tabBar.dayTab.waitForExistence(timeout: 5),
+            "App should remain functional after malformed deep link"
+        )
+
+        // Navigate to another tab to verify full responsiveness
+        tabBar.tapYear()
+        XCTAssertTrue(
+            tabBar.yearTab.waitForExistence(timeout: 3),
+            "App should be fully navigable after malformed deep link"
+        )
+
+        captureScreenshot(name: "deeplink_malformed_no_crash")
+    }
+
+    /// TC-125: feels://subscribe opens subscription view.
+    func testDeepLink_Subscribe_OpensPaywall() {
+        // Verify app launched
+        let tabBar = TabBarScreen(app: app)
+        XCTAssertTrue(
+            tabBar.dayTab.waitForExistence(timeout: 5),
+            "App should launch to Day tab"
+        )
+
+        captureScreenshot(name: "deeplink_before_subscribe")
+
+        // Send subscribe deep link
+        let subscribeURL = URL(string: "feels://subscribe")!
+        app.open(subscribeURL)
+
+        // Subscription view should appear as a sheet.
+        // Look for common subscription UI elements.
+        let subscribeText = app.staticTexts.matching(
+            NSPredicate(format: "label CONTAINS[c] 'subscribe' OR label CONTAINS[c] 'premium' OR label CONTAINS[c] 'upgrade' OR label CONTAINS[c] 'Feels+'")
+        ).firstMatch
+
+        let found = subscribeText.waitForExistence(timeout: 8)
+
+        captureScreenshot(name: "deeplink_subscribe_result")
+
+        XCTAssertTrue(found,
+            "Subscription view should appear after feels://subscribe deep link"
+        )
+    }
+}

Tests iOS/TrialExpirationTests.swift

@@ -0,0 +1,34 @@
+//
+//  TrialExpirationTests.swift
+//  Tests iOS
+//
+//  TC-078: Trial expiration state is reflected in the UI.
+//
+
+import XCTest
+
+final class TrialExpirationTests: BaseUITestCase {
+    override var seedFixture: String? { "empty" }
+    override var bypassSubscription: Bool { false }
+    override var expireTrial: Bool { true }
+
+    /// TC-078: When trial is expired, Settings shows "Trial expired" text
+    /// and the upgrade banner is visible.
+    func testTrialExpired_ShowsExpiredBanner() {
+        let tabBar = TabBarScreen(app: app)
+        let settingsScreen = tabBar.tapSettings()
+        settingsScreen.assertVisible()
+
+        // Verify upgrade banner is visible (trial expired, not subscribed)
+        settingsScreen.assertUpgradeBannerVisible()
+
+        // Check for "Trial expired" text in the banner
+        let expiredText = app.staticTexts["Trial expired"]
+        XCTAssertTrue(
+            expiredText.waitForExistence(timeout: 5),
+            "Settings should show 'Trial expired' text when trial has expired"
+        )
+
+        captureScreenshot(name: "trial_expired_banner")
+    }
+}