always return cached for ldd mode

Author: jsonbailey

lib/ldclient-rb/impl/datasystem/fdv1.rb

@@ -151,10 +151,13 @@ def flag_change_broadcaster
         def data_availability
           return DataAvailability::DEFAULTS if @config.offline?
 
-          unless @config.use_ldd?
-            return DataAvailability::REFRESHED if @update_processor && @update_processor.initialized?
-          end
+          # In LDD mode, always return CACHED for backwards compatibility.
+          # Even though the store might be empty (technically DEFAULTS), we maintain
+          # the existing behavior where LDD mode is assumed to have data available
+          # from the external daemon, regardless of the store's initialization state.
+          return DataAvailability::CACHED if @config.use_ldd?
 
+          return DataAvailability::REFRESHED if @update_processor && @update_processor.initialized?
           return DataAvailability::CACHED if @store_wrapper.initialized?
 
           DataAvailability::DEFAULTS

spec/impl/datasystem/fdv1_spec.rb

@@ -208,13 +208,12 @@ module DataSystem
           context "in LDD mode" do
             let(:config) { LaunchDarkly::Config.new(use_ldd: true) }
 
-            it "returns DEFAULTS when store is empty" do
-              subject.start
-              expect(subject.data_availability).to eq(DataAvailability::DEFAULTS)
-            end
-
-            it "returns CACHED when store is initialized" do
+            it "always returns CACHED for backwards compatibility" do
               subject.start
+              # Returns CACHED even when store is empty
+              expect(subject.data_availability).to eq(DataAvailability::CACHED)
+              
+              # Still returns CACHED when store is initialized
               subject.store.init({})
               expect(subject.data_availability).to eq(DataAvailability::CACHED)
             end