wip: telemetry claude code matching

rust/crates/api/tests/client_integration.rs

@@ -71,7 +71,11 @@ async fn send_message_posts_json_and_parses_response() {
     );
     assert_eq!(
         request.headers.get("user-agent").map(String::as_str),
-        Some("clawd-code/0.1.0 (rust)")
+        Some("claude-code/0.1.0")
+    );
+    assert_eq!(
+        request.headers.get("anthropic-beta").map(String::as_str),
+        Some("claude-code-20250219")
     );
     let body: serde_json::Value =
         serde_json::from_str(&request.body).expect("request body should be json");
@@ -82,6 +86,7 @@ async fn send_message_posts_json_and_parses_response() {
     assert!(body.get("stream").is_none());
     assert_eq!(body["tools"][0]["name"], json!("get_weather"));
     assert_eq!(body["tool_choice"]["type"], json!("auto"));
+    assert_eq!(body["betas"], json!(["claude-code-20250219"]));
 }
 
 #[tokio::test]
@@ -112,7 +117,7 @@ async fn send_message_applies_request_profile_and_records_telemetry() {
 
     let client = AnthropicClient::new("test-key")
         .with_base_url(server.base_url())
-        .with_client_identity(ClientIdentity::new("clawd-code", "9.9.9").with_runtime("rust-cli"))
+        .with_client_identity(ClientIdentity::new("claude-code", "9.9.9").with_runtime("rust-cli"))
         .with_beta("tools-2026-04-01")
         .with_extra_body_param("metadata", json!({"source": "clawd-code"}))
         .with_session_tracer(SessionTracer::new("session-telemetry", sink.clone()));
@@ -128,15 +133,19 @@ async fn send_message_applies_request_profile_and_records_telemetry() {
     let request = captured.first().expect("server should capture request");
     assert_eq!(
         request.headers.get("anthropic-beta").map(String::as_str),
-        Some("tools-2026-04-01")
+        Some("claude-code-20250219,tools-2026-04-01")
     );
     assert_eq!(
         request.headers.get("user-agent").map(String::as_str),
-        Some("clawd-code/9.9.9 (rust-cli)")
+        Some("claude-code/9.9.9")
     );
     let body: serde_json::Value =
         serde_json::from_str(&request.body).expect("request body should be json");
     assert_eq!(body["metadata"]["source"], json!("clawd-code"));
+    assert_eq!(
+        body["betas"],
+        json!(["claude-code-20250219", "tools-2026-04-01"])
+    );
 
     let events = sink.events();
     assert_eq!(events.len(), 4);

rust/crates/telemetry/src/lib.rs

@@ -10,8 +10,9 @@ use serde::{Deserialize, Serialize};
 use serde_json::{Map, Value};
 
 pub const DEFAULT_ANTHROPIC_VERSION: &str = "2023-06-01";
-pub const DEFAULT_APP_NAME: &str = "clawd-code";
+pub const DEFAULT_APP_NAME: &str = "claude-code";
 pub const DEFAULT_RUNTIME: &str = "rust";
+pub const DEFAULT_AGENTIC_BETA: &str = "claude-code-20250219";
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct ClientIdentity {
@@ -38,7 +39,7 @@ impl ClientIdentity {
 
     #[must_use]
     pub fn user_agent(&self) -> String {
-        format!("{}/{} ({})", self.app_name, self.app_version, self.runtime)
+        format!("{}/{}", self.app_name, self.app_version)
     }
 }
 
@@ -64,7 +65,7 @@ impl AnthropicRequestProfile {
         Self {
             anthropic_version: DEFAULT_ANTHROPIC_VERSION.to_string(),
             client_identity,
-            betas: Vec::new(),
+            betas: vec![DEFAULT_AGENTIC_BETA.to_string()],
             extra_body: Map::new(),
         }
     }
@@ -110,6 +111,12 @@ impl AnthropicRequestProfile {
         for (key, value) in &self.extra_body {
             object.insert(key.clone(), value.clone());
         }
+        if !self.betas.is_empty() {
+            object.insert(
+                "betas".to_string(),
+                Value::Array(self.betas.iter().cloned().map(Value::String).collect()),
+            );
+        }
         Ok(body)
     }
 }
@@ -423,7 +430,7 @@ mod tests {
     #[test]
     fn request_profile_emits_headers_and_merges_body() {
         let profile = AnthropicRequestProfile::new(
-            ClientIdentity::new("clawd-code", "1.2.3").with_runtime("rust-cli"),
+            ClientIdentity::new("claude-code", "1.2.3").with_runtime("rust-cli"),
         )
         .with_beta("tools-2026-04-01")
         .with_extra_body("metadata", serde_json::json!({"source": "test"}));
@@ -435,11 +442,11 @@ mod tests {
                     "anthropic-version".to_string(),
                     DEFAULT_ANTHROPIC_VERSION.to_string()
                 ),
+                ("user-agent".to_string(), "claude-code/1.2.3".to_string()),
                 (
-                    "user-agent".to_string(),
-                    "clawd-code/1.2.3 (rust-cli)".to_string()
+                    "anthropic-beta".to_string(),
+                    "claude-code-20250219,tools-2026-04-01".to_string(),
                 ),
-                ("anthropic-beta".to_string(), "tools-2026-04-01".to_string(),),
             ]
         );
 
@@ -450,6 +457,10 @@ mod tests {
             body["metadata"]["source"],
             Value::String("test".to_string())
         );
+        assert_eq!(
+            body["betas"],
+            serde_json::json!(["claude-code-20250219", "tools-2026-04-01"])
+        );
     }
 
     #[test]