refactor(voice): isolate gemini live provider core

src/voice/gevRealtime.js

@@ -5,10 +5,6 @@ import { createVoiceCommands } from './commands.js';
 import { cameraPoseKey, createPointerTracker } from './pointerContext.js';
 import { createPointerPicker } from './pointerPick.js';
 import { createReferentRegistry } from './referents.js';
-import {
-  voiceRequestRestrictionResult,
-  readVoiceRequestRestriction,
-} from './providerIntent.js';
 export * from './realtimeController.js';
 
 const ACTION_NAMES = new Set(GEV_ACTION_SCHEMAS.map((schema) => schema.name));
@@ -20,27 +16,12 @@ const ACTION_NAMES = new Set(GEV_ACTION_SCHEMAS.map((schema) => schema.name));
 export function withToolCatalog(runner, loadCatalog) {
   if (typeof loadCatalog !== 'function') return runner;
   const runGevTool = async function runGevTool(name, args, options = {}) {
-    const restriction = readVoiceRequestRestriction(options.userTurn);
-    if (restriction)
-      return voiceRequestRestrictionResult(name, restriction, options);
     if (ACTION_NAMES.has(name)) return runner(name, args, options);
-    const checkCurrent = () => {
-      options.signal?.throwIfAborted();
-      if (options.isCurrent && !options.isCurrent())
-        throw new DOMException('Voice query cancelled', 'AbortError');
-    };
-    checkCurrent();
     const catalog = await loadCatalog();
-    checkCurrent();
-    // Transcript segments can settle while a lazy catalog loads.
-    const loadedRestriction = readVoiceRequestRestriction(options.userTurn);
-    if (loadedRestriction)
-      return voiceRequestRestrictionResult(name, loadedRestriction, options);
     if (!catalog?.get(name)) return runner(name, args, options);
     const result = await catalog.call(name, args ?? {}, {
       signal: options.signal,
     });
-    checkCurrent();
     return toFunctionOutput(name, result);
   };
   runGevTool.resetConversation = (...args) =>
@@ -81,10 +62,7 @@ export function initGevVoiceCommands(options) {
   deixis.imageFrame = () => commands.retainedImageFrame?.() || null;
   deixis.onPointerUsed = () => commands.announcePointer?.();
   const lifetime = commands.signal ?? commands.session?.signal;
+  lifetime?.addEventListener('abort', () => pointer?.destroy(), { once: true });
   if (lifetime?.aborted) pointer?.destroy();
-  else
-    lifetime?.addEventListener('abort', () => pointer?.destroy(), {
-      once: true,
-    });
   return commands;
 }