Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/v3/components/GoogleOauth/Button.spec.js

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+import { shallowMount } from '@vue/test-utils';
+import GoogleOAuthButton from './Button.vue';
+
+function getWrapper() {
+  return shallowMount(GoogleOAuthButton, {
+    mocks: { $t: text => text },
+  });
+}
+
+describe('GoogleOAuthButton.vue', () => {
+  beforeEach(() => {
+    window.chatwootConfig = {
+      googleOAuthClientId: 'clientId',
+      googleOAuthCallbackUrl: 'http://localhost:3000/test-callback',
+    };
+  });
+
+  afterEach(() => {
+    window.chatwootConfig = {};
+  });
+
+  it('generates the correct Google Auth URL', () => {
+    const wrapper = getWrapper();
+    const googleAuthUrl = new URL(wrapper.vm.getGoogleAuthUrl());
+    const params = googleAuthUrl.searchParams;
+    expect(googleAuthUrl.origin).toBe('https://accounts.google.com');
+    expect(googleAuthUrl.pathname).toBe('/o/oauth2/auth');
+    expect(params.get('client_id')).toBe('clientId');
+    expect(params.get('redirect_uri')).toBe(
+      'http://localhost:3000/test-callback'
+    );
+    expect(params.get('response_type')).toBe('code');
+    expect(params.get('scope')).toBe('email profile');
+  });
+});

research/chatwoot/app/javascript/v3/components/GoogleOauth/Button.vue

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+<script>
+export default {
+  methods: {
+    getGoogleAuthUrl() {
+      // Ideally a request to /auth/google_oauth2 should be made
+      // Creating the URL manually because the devise-token-auth with
+      // omniauth has a standing issue on redirecting the post request
+      // https://github.com/lynndylanhurley/devise_token_auth/issues/1466
+      const baseUrl = 'https://accounts.google.com/o/oauth2/auth';
+      const clientId = window.chatwootConfig.googleOAuthClientId;
+      const redirectUri = window.chatwootConfig.googleOAuthCallbackUrl;
+      const responseType = 'code';
+      const scope = 'email profile';
+
+      // Build the query string
+      const queryString = new URLSearchParams({
+        client_id: clientId,
+        redirect_uri: redirectUri,
+        response_type: responseType,
+        scope: scope,
+      }).toString();
+
+      // Construct the full URL
+      return `${baseUrl}?${queryString}`;
+    },
+  },
+};
+</script>
+
+<!-- eslint-disable vue/no-unused-refs -->
+<!-- Added ref for writing specs -->
+<template>
+  <div class="flex flex-col">
+    <a
+      :href="getGoogleAuthUrl()"
+      class="inline-flex justify-center w-full px-4 py-3 bg-n-background dark:bg-n-solid-3 items-center rounded-md shadow-sm ring-1 ring-inset ring-n-container dark:ring-n-container focus:outline-offset-0 hover:bg-n-alpha-2 dark:hover:bg-n-alpha-2"
+    >
+      <span class="i-logos-google-icon h-6" />
+      <span class="ml-2 text-base font-medium text-n-slate-12">
+        {{ $t('LOGIN.OAUTH.GOOGLE_LOGIN') }}
+      </span>
+    </a>
+  </div>
+</template>