Support target-scoped trauma mechanics

src/lib/components/MechanicLanguageHelp.svelte

@@ -40,10 +40,11 @@
 				<div><dt>IF</dt><dd>Conditions checked against the event, Agent, target, team, or encounter.</dd></div>
 				<div><dt>TRACK</dt><dd>A count, duration, scalar, mark, or stack pool shared by branches.</dd></div>
 				<div><dt>ADD / SET / CONSUME</dt><dd>How a matching branch changes tracked state.</dd></div>
+				<div><dt>FOR EVENT TARGET</dt><dd>Binds a target-scoped state change to the enemy named by the event.</dd></div>
 				<div><dt>APPLY</dt><dd>The Attribute or direct result and the phase when it takes effect.</dd></div>
 				<div><dt>UNTIL</dt><dd>The expiry, reset, or transfer policy for tracked state.</dd></div>
 				<div><dt>EVERY</dt><dd>An explicit periodic interval. ISAC does not infer a missing cadence.</dd></div>
-				<div><dt>PHASE</dt><dd>Whether an outcome runs before state changes, after them, or while state remains active.</dd></div>
+				<div><dt>PHASE</dt><dd>Whether an outcome runs before state changes, after them, while state remains active, or when state expires.</dd></div>
 			</dl>
 			<PseudoScript title="MECHANIC EXAMPLE" lines={example} compact />
 			<section class="calculation-language">