fix: Require launchdarkly-server-sdk 8.19 so data source failures stay recoverable

launchdarkly-openfeature-server-sdk.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "launchdarkly-server-sdk", "~> 8.15"
+  spec.add_runtime_dependency "launchdarkly-server-sdk", "~> 8.19"
   spec.add_runtime_dependency "openfeature-sdk", ">= 0.6.1", "< 0.9"
 
   # For more information and examples about making a new gem, check out our

spec/provider_recovery_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+#
+# Since LaunchDarkly Ruby SDK 8.19 the data source retries every transport
+# failure indefinitely instead of stopping permanently, so an initialization
+# that fails within the wait time is routinely followed by a background
+# recovery. The provider must report READY when that happens.
+#
+RSpec.describe LaunchDarkly::OpenFeature::Provider do
+  let(:td) {
+    td = LaunchDarkly::Integrations::TestData.data_source
+    td.update(td.flag("fallthrough-boolean").variation_for_all(true))
+    td
+  }
+  let(:config) { LaunchDarkly::Config.new(data_source: td, send_events: false) }
+  let(:provider) { described_class.new("example-key", config) }
+  let(:api) { OpenFeature::SDK::API.instance }
+
+  after do
+    api.configuration.shutdown
+  end
+
+  it "reports READY after a failed initialization once the data source becomes valid" do
+    allow(provider.client).to receive(:initialized?).and_return(false)
+
+    expect { api.set_provider_and_wait(provider) }.to raise_error(/unable to initialize/)
+
+    client = api.build_client
+    expect(client.provider_status).to eq(OpenFeature::SDK::ProviderState::ERROR)
+
+    # The data source recovering reaches the provider through its registered
+    # status listener; drive it the way the SDK broadcaster does on recovery.
+    listener = LaunchDarkly::OpenFeature::Impl::DataSourceStatusListener.new(provider)
+    listener.update(
+      LaunchDarkly::Interfaces::DataSource::Status.new(
+        LaunchDarkly::Interfaces::DataSource::Status::VALID, Time.now, nil
+      )
+    )
+
+    expect(client.provider_status).to eq(OpenFeature::SDK::ProviderState::READY)
+  end
+end