Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/services/widget/token_service_spec.rb

@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+describe Widget::TokenService do
+  let(:payload) { { source_id: 'contact_123', inbox_id: 1 } }
+  let(:token_service) { described_class.new(payload: payload) }
+
+  describe 'inheritance' do
+    it 'inherits from BaseTokenService' do
+      expect(described_class.superclass.name).to eq('BaseTokenService')
+    end
+  end
+
+  describe '#generate_token' do
+    it 'generates a JWT token with the provided payload' do
+      token = token_service.generate_token
+      expect(token).to be_present
+      expect(token).to be_a(String)
+    end
+
+    it 'encodes the payload correctly' do
+      token = token_service.generate_token
+      decoded = JWT.decode(token, Rails.application.secret_key_base, true, algorithm: 'HS256').first
+      expect(decoded['source_id']).to eq('contact_123')
+      expect(decoded['inbox_id']).to eq(1)
+    end
+  end
+
+  describe '#decode_token' do
+    let(:token) { token_service.generate_token }
+    let(:decoder_service) { described_class.new(token: token) }
+
+    it 'decodes a valid JWT token' do
+      decoded = decoder_service.decode_token
+      expect(decoded[:source_id]).to eq('contact_123')
+      expect(decoded[:inbox_id]).to eq(1)
+    end
+
+    it 'returns empty hash for invalid token' do
+      invalid_service = described_class.new(token: 'invalid_token')
+      expect(invalid_service.decode_token).to eq({})
+    end
+  end
+end