Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/services/base_token_service_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+describe BaseTokenService do
+  let(:payload) { { user_id: 1, exp: 5.minutes.from_now.to_i } }
+  let(:token_service) { described_class.new(payload: payload) }
+
+  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['user_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[:user_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
+
+    it 'returns empty hash for expired token' do
+      expired_payload = { user_id: 1, exp: 1.minute.ago.to_i }
+      expired_token = JWT.encode(expired_payload, Rails.application.secret_key_base, 'HS256')
+      expired_service = described_class.new(token: expired_token)
+      expect(expired_service.decode_token).to eq({})
+    end
+  end
+end