step 10.1: done

tests/integration/expeditions.test.js

@@ -404,4 +404,50 @@ describe('expeditions', () => {
     assert.equal(res.status, 401);
     assert.equal(body.ok, false);
   });
+
+  // ─── 10.1: expedition start must deduct energy correctly ──────────────
+
+  it('10.1: starts expedition → DB energy = energy - cost, timestamp NOT in future', async () => {
+    const { cookie, characterId } = await setupHero({ energy: 100, gold: 500 });
+
+    const res = await fetch(`${baseUrl}/api/expeditions/start`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', ...authHeaders(cookie) },
+      body: JSON.stringify({ defId: 1 }), // scout, cost=10
+    });
+    assert.equal(res.status, 200);
+    const body = await res.json();
+    assert.equal(body.ok, true);
+
+    // Assert DB state directly — this is the core of 10.1.
+    const db = require('../../src/db').getDb();
+    const ch = db.prepare('SELECT energy, energy_updated_at FROM characters WHERE id = ?').get(characterId);
+    assert.equal(ch.energy, 90, 'DB energy must be 100 - 10 = 90');
+    assert.ok(ch.energy_updated_at <= Date.now(), 'energy_updated_at must NOT be in the future');
+
+    // Assert GET /api/character returns the same energy.
+    const charRes = await fetch(`${baseUrl}/api/character`, {
+      headers: authHeaders(cookie),
+    });
+    assert.equal(charRes.status, 200);
+    const charBody = await charRes.json();
+    assert.equal(charBody.data.energy.current, 90);
+  });
+
+  it('10.1: starting at energy 55 → DB energy = 45', async () => {
+    const { cookie, characterId } = await setupHero({ energy: 55, gold: 500 });
+
+    const res = await fetch(`${baseUrl}/api/expeditions/start`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', ...authHeaders(cookie) },
+      body: JSON.stringify({ defId: 1 }), // scout, cost=10
+    });
+    assert.equal(res.status, 200);
+    const body = await res.json();
+    assert.equal(body.ok, true);
+
+    const db = require('../../src/db').getDb();
+    const ch = db.prepare('SELECT energy FROM characters WHERE id = ?').get(characterId);
+    assert.equal(ch.energy, 45, 'DB energy must be 55 - 10 = 45');
+  });
 });