Initial commit: ssessesse ki battle

tests/bot.test.ts

@@ -0,0 +1,11 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { chooseBotAction } from '../src/shared/bot.js';
+import { isLegalAction } from '../src/shared/rules.js';
+test('bot uses only legal actions from public energy, with repeatable injected randomness', () => {
+  for (const own of [0, 1, 2, 3, 10]) for (const opponent of [0, 1, 3]) for (const r of [0, .1, .5, .9, .999]) {
+    assert.ok(isLegalAction(chooseBotAction(own, opponent, () => r), own));
+  }
+  assert.equal(chooseBotAction(0, 0, () => 0), 'charge');
+  assert.notEqual(chooseBotAction(3, 3, () => 0), chooseBotAction(3, 3, () => .999));
+});