Pause browser local AI behind disabled feature flag

tests/local-ai-integration.test.cjs

@@ -5,9 +5,12 @@ const test = require('node:test');
 
 const page = fs.readFileSync(path.join(__dirname, '..', 'index.html'), 'utf8');
 
-test('local AI adapter comes from the static service and starts after authenticated game entry', () => {
-  assert.match(page, /<script src="\/static\/wllama-gemma3-v2\/local-ai\.js"><\/script>/);
-  assert.match(page, /showPlay\(\);\s*if \(!currentAccount\.is_admin\) window\.localGameAI\?\.start\(currentAccount\.id\)/);
+test('local AI is paused by default and adapter loading is gated by its feature flag', () => {
+  assert.match(page, /const FEATURE_FLAGS = Object\.freeze\(\{localAI: false\}\)/);
+  assert.match(page, /if \(!FEATURE_FLAGS\.localAI\) return Promise\.resolve\(null\)/);
+  assert.match(page, /script\.src = '\/static\/' \+ 'wllama-gemma3-v2\/local-ai\.js'/);
+  assert.doesNotMatch(page, /<script src="\/static\/wllama-gemma3-v2\/local-ai\.js"><\/script>/);
+  assert.match(page, /if \(!currentAccount\.is_admin && FEATURE_FLAGS\.localAI\)[\s\S]*?loadLocalAiAdapter\(\)/);
 });
 
 test('Gemma license links are shown in the accessible game dialogue and consent can be withdrawn', () => {