Keep AI mechanic capabilities in sync

src/lib/calculations/mechanic-editor.test.ts

@@ -263,6 +263,22 @@ describe('conditional mechanic authoring payload', () => {
 		}
 	});
 
+	it('rejects outcome fields that are absent from the canonical capability manifest', () => {
+		const unsupported = draft();
+		(unsupported.clauses[0].outcomes[0] as unknown as Record<string, unknown>).cadence =
+			'continuous';
+		const result = parseConditionalMechanicDraft(unsupported, {
+			variantKeys: ['I', 'II'],
+			allowedAttributeIds: new Set(['weapon-damage'])
+		});
+		expect(result.ok).toBe(false);
+		if (!result.ok) {
+			expect(result.errors).toContain(
+				'Clause 1 outcome 1 contains unsupported field "cadence".'
+			);
+		}
+	});
+
 	it('requires the exact configured variants and returns validation errors without throwing', () => {
 		const invalid = draft();
 		invalid.clauses[0].outcomes[0].variants = {