Fix Plus strategy service worker bootstrap

background.js

@@ -75,6 +75,8 @@ importScripts(
 );
 
 const DEFAULT_ACTIVE_FLOW_ID = 'openai';
+const PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH = 'oauth';
+const PLUS_ACCOUNT_ACCESS_STRATEGY_SUB2API_CODEX_SESSION = 'sub2api_codex_session';
 const NORMAL_STEP_DEFINITIONS = self.MultiPageStepDefinitions?.getSteps?.({
   activeFlowId: DEFAULT_ACTIVE_FLOW_ID,
   plusModeEnabled: false,
@@ -654,8 +656,6 @@ const FIVE_SIM_OPERATOR = DEFAULT_FIVE_SIM_OPERATOR;
 const PLUS_PAYMENT_METHOD_PAYPAL = 'paypal';
 const PLUS_PAYMENT_METHOD_GOPAY = 'gopay';
 const PLUS_PAYMENT_METHOD_GPC_HELPER = 'gpc-helper';
-const PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH = 'oauth';
-const PLUS_ACCOUNT_ACCESS_STRATEGY_SUB2API_CODEX_SESSION = 'sub2api_codex_session';
 const DEFAULT_PLUS_PAYMENT_METHOD = PLUS_PAYMENT_METHOD_PAYPAL;
 const DISPLAY_TIMEZONE = 'Asia/Shanghai';
 const MICROSOFT_TOKEN_DNR_RULE_ID = 1001;

tests/plus-account-access-strategy.test.js

@@ -3,6 +3,7 @@ const assert = require('node:assert/strict');
 const fs = require('node:fs');
 
 const sidepanelSource = fs.readFileSync('sidepanel/sidepanel.js', 'utf8');
+const backgroundSource = fs.readFileSync('background.js', 'utf8');
 
 function extractFunction(name) {
   const markers = [`async function ${name}(`, `function ${name}(`];
@@ -268,3 +269,15 @@ return {
     },
   ]);
 });
+
+test('background declares Plus account access strategy constants before precomputing session-tail step definitions', () => {
+  const strategyConstantIndex = backgroundSource.indexOf("const PLUS_ACCOUNT_ACCESS_STRATEGY_SUB2API_CODEX_SESSION = 'sub2api_codex_session';");
+  const precomputedSessionStepsIndex = backgroundSource.indexOf('const PLUS_PAYPAL_SUB2API_SESSION_STEP_DEFINITIONS =');
+
+  assert.ok(strategyConstantIndex >= 0, 'expected Plus account access strategy constant declaration');
+  assert.ok(precomputedSessionStepsIndex >= 0, 'expected precomputed SUB2API session step definitions');
+  assert.ok(
+    strategyConstantIndex < precomputedSessionStepsIndex,
+    'strategy constant must be declared before background precomputes session-tail step definitions'
+  );
+});