refactor!: rename chat providers to channels

src/web/test-helpers.ts

@@ -6,9 +6,11 @@ import { createMockBaileys } from "../../test/mocks/baileys.js";
 // Use globalThis to store the mock config so it survives vi.mock hoisting
 const CONFIG_KEY = Symbol.for("clawdbot:testConfigMock");
 const DEFAULT_CONFIG = {
-  whatsapp: {
-    // Tests can override; default remains open to avoid surprising fixtures
-    allowFrom: ["*"],
+  channels: {
+    whatsapp: {
+      // Tests can override; default remains open to avoid surprising fixtures
+      allowFrom: ["*"],
+    },
   },
   messages: {
     messagePrefix: undefined,