batched round: queue actions/diplomacy, jump forward commits one turn (v0.2.0)

server/stub.ts

@@ -2,11 +2,12 @@
 // sets LLM_STUB=1) so the whole loop is reproducible with no live model. It
 // speaks the OpenAI chat-completions wire shape, so it plugs in as a Transport.
 import { createLlmClient, type ChatMessage, type Transport } from './llm';
-import { addDays, clampStat, type TurnResult } from '../shared/protocol';
+import { addDays, clampStat, type TurnEventSpec, type TurnResult } from '../shared/protocol';
+import type { RoundItem } from '../shared/types';
 
 export const ADVISOR_MARKER = '<<ADVISOR>>';
 
-/** The parsed body of the user message the engine sends (see engine.buildPrompt). */
+/** The parsed body of the user message the engine sends (see engine.buildUserPrompt). */
 export interface StubPayload {
   state?: {
     turn: number;
@@ -14,8 +15,8 @@ export interface StubPayload {
     playerNationId: string;
     nations: Record<string, { stats: Record<string, number> }>;
   };
-  action?: string | null;
-  chat?: { to: string; message: string } | null;
+  /** The raw pending round the engine emitted (one entry per queued item). */
+  pending?: RoundItem[];
 }
 
 function truncate(s: string, n: number): string {
@@ -24,8 +25,12 @@ function truncate(s: string, n: number): string {
 
 /**
  * Pure deterministic TurnResult for a parsed payload. Bumps the player nation's
- * military by 5 each turn (clamped to 0–100) and emits one event, so a caller can
- * predict the exact next state for assertions.
+ * military by 5 each turn (clamped to 0–100) and emits one event per queued
+ * round item (action → military/success, diplomacy → diplomatic/partial), or a
+ * single political "The world moves on" event when the round is empty — so a
+ * caller can predict the exact next state for assertions. It always sets the
+ * player's military to (current + 5) and allies the player with the first other
+ * nation, advancing the date by 2 days.
  */
 export function deterministicTurn(p: StubPayload): TurnResult {
   const state = p.state;
@@ -35,36 +40,36 @@ export function deterministicTurn(p: StubPayload): TurnResult {
   const otherId = state
     ? (Object.keys(state.nations).find((id) => id !== pid) ?? '')
     : 'us';
+  const items = p.pending ?? [];
 
-  const events = p.action
-    ? [
-        {
-          nation: pid,
-          type: 'military' as const,
-          title: `Action: ${truncate(p.action, 60)}`,
-          text: 'Your move takes effect across the region.',
-          outcome: 'success' as const,
-        },
-      ]
-    : p.chat
+  const events: TurnEventSpec[] =
+    items.length === 0
       ? [
           {
             nation: pid,
-            type: 'diplomatic' as const,
-            title: 'Diplomatic outreach',
-            text: 'Your message is received by the target nation.',
-            outcome: 'partial' as const,
+            type: 'political',
+            title: 'The world moves on',
+            text: 'Weeks pass without a decisive event.',
+            outcome: 'neutral',
           },
         ]
-      : [
-          {
-            nation: pid,
-            type: 'political' as const,
-            title: 'The world moves on',
-            text: 'Weeks pass; the great powers posture and rearm quietly.',
-            outcome: 'neutral' as const,
-          },
-        ];
+      : items.map((it) =>
+          it.kind === 'action'
+            ? {
+                nation: pid,
+                type: 'military' as const,
+                title: `Action: ${truncate(it.text, 60)}`,
+                text: 'Your move takes effect across the region.',
+                outcome: 'success' as const,
+              }
+            : {
+                nation: pid,
+                type: 'diplomatic' as const,
+                title: 'Diplomatic outreach',
+                text: 'Your message is received.',
+                outcome: 'partial' as const,
+              },
+        );
 
   return {
     date: addDays(state?.date ?? '1939-09-01', 2),