1 files changed, 20 insertions, 3 deletions
diff --git a/lib/dispatch/adapter/interface/message.rb b/lib/dispatch/adapter/interface/message.rb
index eb51c99..dfe7301 100644
--- a/lib/dispatch/adapter/interface/message.rb
+++ b/lib/dispatch/adapter/interface/message.rb
@@ -4,9 +4,14 @@ module Dispatch
   module Adapter
     Message = Struct.new(:role, :content, keyword_init: true)
 
-    TextBlock = Struct.new(:type, :text, keyword_init: true) do
-      def initialize(text:, type: "text")
-        super(type:, text:)
+    # +cache_control+ values:
+    #   nil                                — no cache breakpoint (default)
+    #   { type: :ephemeral }               — provider default TTL
+    #   { type: :ephemeral, ttl: :"5m" }   — short-lived cache
+    #   { type: :ephemeral, ttl: :"1h" }   — long-lived cache
+    TextBlock = Struct.new(:type, :text, :cache_control, keyword_init: true) do
+      def initialize(text:, cache_control: nil, type: "text")
+        super(type:, text:, cache_control:)
       end
     end
 
@@ -27,5 +32,17 @@ module Dispatch
         super(type:, tool_use_id:, content:, is_error:)
       end
     end
+
+    ThinkingBlock = Struct.new(:type, :thinking, :signature, keyword_init: true) do
+      def initialize(thinking:, signature: nil, type: "thinking")
+        super(type:, thinking:, signature:)
+      end
+    end
+
+    RedactedThinkingBlock = Struct.new(:type, :data, keyword_init: true) do
+      def initialize(data:, type: "redacted_thinking")
+        super(type:, data:)
+      end
+    end
   end
 end