v0.309.0: the fill warning reaches the household in its own language; the root-filesystem disk event pinned end to end (R-521 F7)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS

controller/internal/fillwatch/fillwatch_test.go

@@ -273,7 +273,7 @@ func TestCustomerMessageNamesTheDriveTheSpaceAndTheAction(t *testing.T) {
 	if !strings.Contains(msg, "87%") {
 		t.Fatalf("the message does not give the fill percentage. Got: %s", msg)
 	}
-	if !strings.Contains(msg, "szabadíts fel helyet") && !strings.Contains(msg, "szabadíts fel helyet:") {
+	if !strings.Contains(strings.ToLower(msg), "szabadíts fel helyet") { // v0.309.0: the sentence may open with it (R-516 dropped „Kérjük,")
 		t.Fatalf("the message does not tell the customer WHAT TO DO. Got: %s", msg)
 	}
 	// Design-system rule: no emoji in customer copy.