Stage guarded Classic migration and native bot adapter

tests/classic.test.cjs

@@ -0,0 +1,22 @@
+const {test}=require('node:test');
+const assert=require('node:assert/strict');
+const {classicCommand,classicMode}=require('../.test-build/classic.js');
+const actor={name:'Zaku',autonomy:{managed:true,characterGuid:7,accountId:3}};
+test('Classic transport requires explicit backend selection',()=>{
+ assert.equal(classicMode({}),false);
+ assert.equal(classicMode({GAME_BACKEND:'cmangos-classic'}),true);
+});
+test('Classic command rejects absent, zero and unmanaged native identities',()=>{
+ for(const autonomy of [undefined,{managed:false,characterGuid:7,accountId:3},{managed:true,characterGuid:0,accountId:3},{managed:true,characterGuid:7,accountId:-1}])
+  assert.throws(()=>classicCommand('intent',{...actor,autonomy},'quest'));
+ assert.throws(()=>classicCommand('party',actor));
+});
+test('Classic peer commands bind both accounts and preserve literal speech',()=>{
+ const peer={name:'Alany',autonomy:{managed:true,characterGuid:8,accountId:4}};
+ const message='hello "friend"; return 1';
+ const command=JSON.parse(classicCommand('say',actor,message,peer));
+ assert.equal(command.argument,message);
+ assert.equal(command.guid,7);assert.equal(command.accountId,3);
+ assert.equal(command.peerGuid,8);assert.equal(command.peerAccountId,4);
+ assert.ok(command.expiresAt>Date.now()/1000);
+});