AI viewers: routes use the engine selector; independent name-part hashing for roster names

ddiff --git a/server/ai/viewers/roster.js b/server/ai/viewers/roster.js
iindex c51806b3..bdbdcbce 100644
---- a/server/ai/viewers/roster.js
++++ b/server/ai/viewers/roster.js
@@@ -46,11 +46,14 @@ function pick(arr, salt) {
      return arr[_seedCounter % arr.length];
  }
  
++// Stable per-bot hash so each name part is chosen independently (the LCG pick() above
++// walks a shared sequence, which gave siblings near-identical names like sleepyotter42/69/99).
++function _h(str) { let h = 2166136261; for (const ch of String(str)) { h ^= ch.charCodeAt(0); h = Math.imul(h, 16777619) >>> 0; } return h >>> 0; }
  function makeUsername(existing, salt) {
      for (let i = 0; i < 40; i++) {
--        const adj = pick(NAME_ADJ, salt + i);
--        const noun = pick(NAME_NOUN, salt + i * 7 + 3);
--        const suf = pick(NAME_SUF, salt + i * 13 + 5);
++        const adj = NAME_ADJ[_h(`a:${salt}:${i}`) % NAME_ADJ.length];
++        const noun = NAME_NOUN[_h(`n:${salt}:${i}:${adj}`) % NAME_NOUN.length];
++        const suf = NAME_SUF[_h(`s:${salt}:${i}:${noun}`) % NAME_SUF.length];
          const name = `${adj}${noun}${suf}`.slice(0, 22);
          if (!existing.has(name.toLowerCase())) { existing.add(name.toLowerCase()); return name; }
      }
ddiff --git a/server/ai/viewers/routes.js b/server/ai/viewers/routes.js
iindex c26a02f4..43b1c619 100644
---- a/server/ai/viewers/routes.js
++++ b/server/ai/viewers/routes.js
@@@ -18,7 +18,9 @@ const chatAi = require('../chat-ai');
  const budget = require('./budget');
  const roster = require('./roster');
  const brain = require('./brain');
--const engine = require('./engine');
++const engine = require('./index');
++const settingsMod = require('./settings');
++const ai = require('../ai-analysis');
  
  const router = express.Router();
  const KEY_SENTINEL = '••••••••••••••••';