refactor ai formats registry adapters

crates/aether-ai-formats/src/formats/claude_messages/response.rs

@@ -0,0 +1,16 @@
+use serde_json::Value;
+
+use crate::{
+    canonical::{
+        canonical_to_claude_response, from_claude_to_canonical_response, CanonicalResponse,
+    },
+    context::FormatContext,
+};
+
+pub fn from(body: &Value, _ctx: &FormatContext) -> Option<CanonicalResponse> {
+    from_claude_to_canonical_response(body)
+}
+
+pub fn to(response: &CanonicalResponse, _ctx: &FormatContext) -> Option<Value> {
+    Some(canonical_to_claude_response(response))
+}