diff --git a/docs/content/docs/guides/deliverability.mdx b/docs/content/docs/guides/deliverability.mdx
index 58daf5139..fa6af803d 100644
--- a/docs/content/docs/guides/deliverability.mdx
+++ b/docs/content/docs/guides/deliverability.mdx
@@ -30,7 +30,7 @@ Use **Customize** to pick which sections show. Your choices and time window pers
 Placement figures only appear once seed data exists, and a small sample is a hint rather than a verdict. Warmbly waits for a meaningful sample before acting.
 </Callout>
 
-**Placement by provider is the check before scaling a campaign.** An aggregate rate can look fine while one provider quietly junks everything: Gmail at `95%` inbox with Outlook at `40%` is a provider-specific problem, usually authentication or content, not volume.
+**Seed test placement by provider is the check before scaling a campaign.** An aggregate rate can look fine while one provider quietly junks everything: Gmail at `95%` inbox with Outlook at `40%` is a provider-specific problem, usually authentication or content, not volume.
 
 **Warmup placement is your continuous signal.** Seed tests are point-in-time probes, but every verified warmup delivery reports inbox, tab or spam, so drift appears here before it becomes complaints on a campaign. Click a mailbox in **Warmup inbox placement** to open its own history; see [seeing where warmup lands](/guides/warmup/#seeing-where-warmup-lands) for how the rate is counted.
 
diff --git a/internal/repository/warmup_placement_live_test.go b/internal/repository/warmup_placement_live_test.go
index 2cb47b657..bcfe0a390 100644
--- a/internal/repository/warmup_placement_live_test.go
+++ b/internal/repository/warmup_placement_live_test.go
@@ -2,6 +2,7 @@ package repository
 
 import (
 	"context"
+	"math/rand/v2"
 	"testing"
 	"time"
 
@@ -121,9 +122,10 @@ func TestLiveWarmupPlacementRollup(t *testing.T) {
 		t.Fatalf("rate = %+v, want 4 delivered, below the floor", r)
 	}
 
-	// The sweep leaves receipts the live path counted alone, and a fresh one to it.
-	if n, err := repo.SweepUnplaced(ctx, time.Now().Add(time.Hour), 100); err != nil || n != 0 {
-		t.Fatalf("sweep over counted receipts = %d, %v; want 0", n, err)
+	// Every receipt the live path counted is marked, so the sweep never counts it again.
+	var unplaced int
+	if err := pool.QueryRow(ctx, `SELECT COUNT(*) FROM warmup_received WHERE sender_account_id = $1 AND NOT placed`, sender).Scan(&unplaced); err != nil || unplaced != 0 {
+		t.Fatalf("receipts left unplaced after the live count = %d, %v; want 0", unplaced, err)
 	}
 
 	// The partner's organization sees none of it.
@@ -198,7 +200,9 @@ func TestLiveWarmupPlacementSweep(t *testing.T) {
 			t.Errorf("cleanup: %v", err)
 		}
 	})
-	day := time.Date(2026, time.August, 3, 12, 0, 0, 0, time.UTC)
+	// The sweep claims the oldest receipts below its cutoff across the whole
+	// database, so the fixture sits decades back where nothing else lives.
+	day := time.Date(1975, time.January, 1, 12, 0, 0, 0, time.UTC).AddDate(0, 0, rand.IntN(3650))
 	for i, msg := range []string{"<a@x>", "<b@x>", "<c@x>", ""} {
 		exec(`INSERT INTO warmup_received (email_account_id, internal_id, message_id, sender_account_id, created_at)
 		      VALUES ($1, gen_random_uuid(), $2, $3, $4)`, recipient, msg, sender, day.Add(time.Duration(i)*time.Minute))
diff --git a/web/src/components/ui/scroll-strip.tsx b/web/src/components/ui/scroll-strip.tsx
index 2d377b1ad..c63d28183 100644
--- a/web/src/components/ui/scroll-strip.tsx
+++ b/web/src/components/ui/scroll-strip.tsx
@@ -41,6 +41,10 @@ export default function ScrollStrip({
         // A vertical wheel over an overflowing strip scrolls it sideways.
         const onWheel = (e: WheelEvent) => {
             if (el.scrollWidth <= el.clientWidth || Math.abs(e.deltaX) > Math.abs(e.deltaY)) return;
+            // At the end it cannot move toward, the wheel scrolls the page instead.
+            const atStart = el.scrollLeft <= 0 && e.deltaY < 0;
+            const atEnd = el.scrollLeft + el.clientWidth >= el.scrollWidth - 1 && e.deltaY > 0;
+            if (atStart || atEnd) return;
             e.preventDefault();
             el.scrollLeft += e.deltaY;
         };