Make every settings row reachable, and every accessibility switch honest

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

tests/quickshell/notification-app-rules-contract

@@ -194,7 +194,23 @@ for (const required of ["rule.urgency === \"low\"", "rule.urgency === \"critical
         fail(`effectiveUrgency is missing ${required}`);
 }
 
-const bell = functionBody("playBell");
+// The DECISION PATH of the bell, rather than the text of one function. Visual
+// alerts split the shared gates out into `bellWouldRing`, so the screen flash
+// can follow the same rules as the chime without following the event-sounds
+// switch (the rule is pinned above that function). The gates below did not
+// change; they moved one call up, and a contract reading only the body of
+// playBell would have reported the per-application sound switch as dropped.
+//
+// NOTE: this whole block is a bun -e argument in single quotes. No apostrophes.
+const playBell = functionBody("playBell");
+const bell = playBell + functionBody("bellWouldRing");
+
+// ...and the split only holds while playBell actually consults the predicate.
+// A playBell that stopped calling it would leave every gate below in a
+// function nothing runs, which reads exactly like a passing contract.
+if (!/bellWouldRing\(notification\)/.test(playBell))
+    fail("playBell no longer consults bellWouldRing, so the per-application, urgency and suppress-sound gates sit in a function the bell never calls");
+
 if (!bell.includes("root.effectiveUrgency(notification) === NotificationUrgency.Low"))
     fail("the bell reads the claimed urgency rather than the effective one, so treat-as-low would still chime");
 // The per-application sound switch is narrower than the enabled switch: the