today: window the iOS Latest Workouts feed to the same 14 days as Android

Strand/Screens/TodayView.swift

@@ -3867,14 +3867,30 @@ struct TodayView: View {
 
     // MARK: (c) LAST WORKOUTS, SAME grid, uniform 104pt workout tiles.
 
+    /// Android's Today feed contract (`TodayScreen.recentCutoff`): sessions starting on or after the
+    /// start of the day 13 days back — 14 days counting today. Named rather than inlined so the window
+    /// is one thing on this platform too, and so the parity guard has something to point at.
+    static func recentWorkoutsFeed(_ rows: [WorkoutRow], now: Date = Date()) -> [WorkoutRow] {
+        let cal = Calendar.current
+        guard let cutoff = cal.date(byAdding: .day, value: -13, to: cal.startOfDay(for: now)) else { return rows }
+        let cutoffTs = Int(cutoff.timeIntervalSince1970)
+        return rows.filter { $0.startTs >= cutoffTs }
+    }
+
     @ViewBuilder
     private var workoutsSection: some View {
-        if !workouts.isEmpty {
+        // #1702: window HERE, not on `workouts`. That array is shared — it also feeds the Data Sources
+        // Apple-workout count and the HR chart's sport glyphs, both all-time by design — so windowing it
+        // at the source would silently shrink two unrelated numbers on this same screen.
+        let recent = Self.recentWorkoutsFeed(workouts)
+        if !recent.isEmpty {
             VStack(alignment: .leading, spacing: NoopMetrics.gap) {
+                // "14 days" describes the window, like Android's today_workouts_14_days. The old
+                // "\(count) total" counted every workout ever recorded while showing at most six.
                 SectionHeader("Latest Workouts", overline: "Activity",
-                              trailing: String(localized: "\(workouts.count) total"))
+                              trailing: String(localized: "14 days"))
                 LazyVGrid(columns: grid, alignment: .leading, spacing: NoopMetrics.gap) {
-                    ForEach(Array(workouts.prefix(6).enumerated()), id: \.offset) { _, w in
+                    ForEach(Array(recent.prefix(6).enumerated()), id: \.offset) { _, w in
                         Button {
                             workoutDetail = WorkoutDetailTarget(row: w)
                         } label: {

StrandTests/TodayWorkoutsWindowTests.swift

@@ -0,0 +1,59 @@
+import XCTest
+import WhoopStore
+@testable import Strand
+
+/// #1702: the Today "Latest Workouts" window, pinned to Android's contract.
+///
+/// Android windows the feed to `today − 13` at start of day (`TodayScreen.recentCutoff`) and says so in
+/// the header. iOS showed the same section from `repo.workoutRows()`, whose default is `days: 4000` —
+/// effectively all-time — under a heading that says "Latest", with a trailing count of every workout
+/// ever recorded. Same account, opposite readings on the two platforms.
+///
+/// These pin the boundary rather than the happy path: an off-by-one here silently drops a session the
+/// other platform shows, which is exactly the class of drift that produced the issue.
+final class TodayWorkoutsWindowTests: XCTestCase {
+
+    /// Fixed clock so "13 days back, start of day" is not evaluated against a moving now.
+    private let now = Date(timeIntervalSince1970: 1_756_000_000)  // 2025-08-24T02:26:40Z
+
+    /// WorkoutRow takes every field on purpose (#1444), so spell them all out.
+    private func row(startingAt ts: Int) -> WorkoutRow {
+        WorkoutRow(startTs: ts, endTs: ts + 1_800, sport: "Running", source: "whoop",
+                   durationS: 1_800, energyKcal: nil, avgHr: nil, maxHr: nil, strain: nil,
+                   distanceM: nil, zonesJSON: nil, notes: nil, steps: nil)
+    }
+
+    private var cutoffTs: Int {
+        let cal = Calendar.current
+        return Int(cal.date(byAdding: .day, value: -13, to: cal.startOfDay(for: now))!.timeIntervalSince1970)
+    }
+
+    func testKeepsASessionExactlyOnTheCutoff() {
+        let kept = TodayView.recentWorkoutsFeed([row(startingAt: cutoffTs)], now: now)
+        XCTAssertEqual(kept.count, 1, "the cutoff instant is inside the window, matching Android's >=")
+    }
+
+    func testDropsTheSecondBeforeTheCutoff() {
+        let kept = TodayView.recentWorkoutsFeed([row(startingAt: cutoffTs - 1)], now: now)
+        XCTAssertTrue(kept.isEmpty)
+    }
+
+    func testDropsAnAllTimeSessionThatUsedToShow() {
+        // The behaviour the issue described: a session from months ago listed under "Latest".
+        let threeMonthsAgo = Int(now.timeIntervalSince1970) - 90 * 86_400
+        XCTAssertTrue(TodayView.recentWorkoutsFeed([row(startingAt: threeMonthsAgo)], now: now).isEmpty)
+    }
+
+    func testKeepsTodaysSession() {
+        let kept = TodayView.recentWorkoutsFeed([row(startingAt: Int(now.timeIntervalSince1970))], now: now)
+        XCTAssertEqual(kept.count, 1)
+    }
+
+    func testPreservesInputOrderAndDropsOnlyTheStale() {
+        let recentA = Int(now.timeIntervalSince1970) - 3_600
+        let recentB = Int(now.timeIntervalSince1970) - 7_200
+        let stale = cutoffTs - 86_400
+        let kept = TodayView.recentWorkoutsFeed([row(startingAt: recentA), row(startingAt: stale), row(startingAt: recentB)], now: now)
+        XCTAssertEqual(kept.map(\.startTs), [recentA, recentB], "filtering must not reorder the feed")
+    }
+}

android/app/src/test/java/com/noop/ui/TodayWorkoutTapTest.kt

@@ -78,4 +78,39 @@ class TodayWorkoutTapTest {
             swift.contains("LiquidPressStyle()"),
         )
     }
+
+    /**
+     * #1702: both platforms must window the feed to the same 14 days, and iOS must do it AT THE SECTION.
+     *
+     * `workouts` on TodayView is shared: the Data Sources Apple-workout count and the HR chart's sport
+     * glyphs both read it and are all-time by design. Windowing the array at its source would compile,
+     * look correct, and silently shrink two unrelated numbers on the same screen.
+     */
+    @Test
+    fun bothPlatformsWindowTheFeedToTheSameFourteenDays() {
+        val kotlin = File(repoRoot(), "android/app/src/main/java/com/noop/ui/TodayMetricsLogic.kt").readText()
+        assertTrue(
+            "Android's feed contract must stay the 14-day window iOS is pinned to",
+            todayScreenKt().contains(".minusDays(13)"),
+        )
+        assertTrue("lastWorkoutsFeed must remain the Android feed contract", kotlin.contains("fun lastWorkoutsFeed"))
+
+        val swift = File(repoRoot(), "Strand/Screens/TodayView.swift").readText()
+        assertTrue(
+            "iOS must window with the same 13-days-back-from-start-of-day cutoff",
+            swift.contains("value: -13, to: cal.startOfDay(for: now)"),
+        )
+        assertTrue(
+            "the iOS section must render the WINDOWED feed, not the shared all-time array",
+            swift.contains("let recent = Self.recentWorkoutsFeed(workouts)") && swift.contains("recent.prefix(6)"),
+        )
+        assertTrue(
+            "the Data Sources Apple count must keep reading the unwindowed array",
+            swift.contains("workouts.filter { WorkoutSource.isAppleHealth"),
+        )
+        assertFalse(
+            "the trailing header must describe the window, not count every workout ever recorded",
+            swift.contains("\\(workouts.count) total"),
+        )
+    }
 }