diff --git a/src/content/__tests__/definitions.test.ts b/src/content/__tests__/definitions.test.ts
new file mode 100644
index 0000000..0a5eb91
--- /dev/null
+++ b/src/content/__tests__/definitions.test.ts
@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest';
+import { createGameState, enqueueAction, tickGame } from '../../engine/game';
+import { content } from '../index';
+
+describe('M1 stub content pack', () => {
+  it('defines two resources and four to five actions with costs and unlocks', () => {
+    expect(content.resources).toHaveLength(2);
+    expect(content.actions.length).toBeGreaterThanOrEqual(4);
+    expect(content.actions.length).toBeLessThanOrEqual(5);
+    const withCosts = content.actions.filter((a) => a.costs.length > 0);
+    const withUnlocks = content.actions.filter((a) => a.unlock !== undefined);
+    expect(withCosts.length).toBeGreaterThanOrEqual(2);
+    expect(withUnlocks.length).toBeGreaterThanOrEqual(1);
+  });
+
+  it('can simulate a costed action without throwing', () => {
+    const state = createGameState(content);
+    const trade = content.actions.find((a) => a.costs.length > 0);
+    expect(trade).toBeDefined();
+    enqueueAction(state, content, trade!.id);
+    tickGame(state, content, trade!.durationMs);
+    expect(state.activeActionId).toBeNull();
+  });
+});
diff --git a/src/content/definitions.ts b/src/content/definitions.ts
index d3779ef..fe5be01 100644
--- a/src/content/definitions.ts
+++ b/src/content/definitions.ts
@@ -1,17 +1,12 @@
-/**
- * Walking-skeleton content: one resource, one timed action.
- *
- * M1 expands this into the real resource/action set and the story graph. Kept as
- * plain data so it stays diffable and authorable without touching engine code.
- */
-
-export const resourceDefs = [{ id: 'gold', name: 'Gold', startAmount: 0 }];
+export const resourceDefs = [
+  { id: 'supplies', name: 'Supplies', startAmount: 10 },
+  { id: 'coin', name: 'Coin', startAmount: 0 },
+];
 
 export const actionDefs = [
-  {
-    id: 'forage',
-    name: 'Forage for coin',
-    durationMs: 3000,
-    yields: [{ resourceId: 'gold', amount: 1 }],
-  },
+  { id: 'gather_supplies', name: 'Gather supplies', durationMs: 3000, yields: [{ resourceId: 'supplies', amount: 2 }] },
+  { id: 'scout_path', name: 'Scout the path', durationMs: 5000, costs: [{ resourceId: 'supplies', amount: 2 }], yields: [{ resourceId: 'coin', amount: 1 }] },
+  { id: 'trade_supplies', name: 'Trade at camp', durationMs: 4000, costs: [{ resourceId: 'supplies', amount: 3 }], yields: [{ resourceId: 'coin', amount: 2 }], unlock: { minResources: { coin: 1 } } },
+  { id: 'fortify_camp', name: 'Fortify camp', durationMs: 8000, costs: [{ resourceId: 'supplies', amount: 5 }, { resourceId: 'coin', amount: 2 }], yields: [{ resourceId: 'supplies', amount: 4 }], unlock: { minResources: { supplies: 8 } } },
+  { id: 'rest', name: 'Rest briefly', durationMs: 2000, yields: [{ resourceId: 'supplies', amount: 1 }] },
 ];