feat(gameplay): enforce core SRD d20 rules

Co-authored-by: multica-agent <github@multica.ai>

apps/worker/src/orchestration.test.ts

@@ -41,6 +41,21 @@ describe('round orchestration', () => {
     }, context)).toThrow('Unknown check actor outsider')
   })
 
+  it('requires complete SRD check inputs before rolling', () => {
+    const context = buildRoundContext({
+      scene: 'Scene', recentRounds: [], intents: [],
+      characters: [character('hero', 'human'), character('foe', 'ai')], memories: [],
+    })
+    const basePlan = { aiActions: [], proposedEvents: [], relevantMemoryQueries: [] }
+
+    expect(() => validateAndOrderRoundPlan({
+      ...basePlan, checks: [{ actorId: 'hero', kind: 'skill', mode: 'normal', reason: 'Search' }],
+    }, context)).toThrow('Skill checks require a skill')
+    expect(() => validateAndOrderRoundPlan({
+      ...basePlan, checks: [{ actorId: 'hero', kind: 'attack', mode: 'normal', reason: 'Strike' }],
+    }, context)).toThrow('Attack rolls require a target')
+  })
+
   it('schedules durable story summaries every third completed round', () => {
     expect([1, 2, 3, 4, 5, 6].filter(shouldUpdateStorySummary)).toEqual([3, 6])
   })