diff --git a/codex-rs/app-server/src/config/external_agent_config.rs b/codex-rs/app-server/src/config/external_agent_config.rs
index 8f9a45d83c..e0fa2a3dfe 100644
--- a/codex-rs/app-server/src/config/external_agent_config.rs
+++ b/codex-rs/app-server/src/config/external_agent_config.rs
@@ -20,8 +20,8 @@ use codex_core_plugins::marketplace_add::is_local_marketplace_source;
 use codex_external_agent_migration::count_missing_subagents;
 use codex_external_agent_migration::missing_subagent_names;
 use codex_external_agent_sessions::ExternalAgentSessionMigration;
-use codex_external_agent_sessions::detect_recent_cursor_sessions;
-use codex_external_agent_sessions::detect_recent_sessions;
+use codex_external_agent_sessions::detect_recent_cl_sessions;
+use codex_external_agent_sessions::detect_recent_cu_sessions;
 use codex_plugin::PluginId;
 use codex_protocol::protocol::Product;
 use serde_json::Value as JsonValue;
@@ -783,10 +783,10 @@ impl ExternalAgentConfigService {
         if repo_root.is_none() && self.source.supports(SourceFeature::Sessions) {
             let sessions = match self.source {
                 ExternalAgentSource::Cl => {
-                    detect_recent_sessions(&self.external_agent_home, &self.codex_home)?
+                    detect_recent_cl_sessions(&self.external_agent_home, &self.codex_home)?
                 }
                 ExternalAgentSource::Cu => {
-                    detect_recent_cursor_sessions(&self.external_agent_home, &self.codex_home)?
+                    detect_recent_cu_sessions(&self.external_agent_home, &self.codex_home)?
                 }
             };
             if !sessions.is_empty() {
diff --git a/codex-rs/external-agent-sessions/src/detect.rs b/codex-rs/external-agent-sessions/src/detect_cl.rs
similarity index 91%
rename from codex-rs/external-agent-sessions/src/detect.rs
rename to codex-rs/external-agent-sessions/src/detect_cl.rs
index f42c90766b..1bb1cf0df6 100644
--- a/codex-rs/external-agent-sessions/src/detect.rs
+++ b/codex-rs/external-agent-sessions/src/detect_cl.rs
@@ -13,7 +13,7 @@ use std::time::Duration;
 const SESSION_IMPORT_MAX_COUNT: usize = 50;
 const SESSION_IMPORT_MAX_AGE: Duration = Duration::from_secs(30 * 24 * 60 * 60);
 
-pub fn detect_recent_sessions(
+pub fn detect_recent_cl_sessions(
     external_agent_home: &Path,
     codex_home: &Path,
 ) -> io::Result<Vec<ExternalAgentSessionMigration>> {
@@ -135,7 +135,8 @@ mod tests {
             ],
         );
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(
             sessions,
@@ -163,7 +164,8 @@ mod tests {
             ],
         );
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(
             sessions,
@@ -190,7 +192,8 @@ mod tests {
             ],
         );
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(
             sessions,
@@ -218,7 +221,8 @@ mod tests {
             ],
         );
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(
             sessions,
@@ -247,7 +251,8 @@ mod tests {
             )],
         );
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(
             sessions,
@@ -276,7 +281,7 @@ mod tests {
         );
 
         assert!(
-            detect_recent_sessions(&external_agent_home, root.path())
+            detect_recent_cl_sessions(&external_agent_home, root.path())
                 .expect("detect")
                 .is_empty()
         );
@@ -313,7 +318,8 @@ mod tests {
         let mut all_sessions = expected.clone();
         all_sessions.push(oldest_session.clone());
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(sessions, expected);
         for session in sessions {
@@ -321,7 +327,8 @@ mod tests {
                 .expect("record import");
         }
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(sessions, vec![oldest_session.clone()]);
         for session in sessions {
@@ -347,7 +354,8 @@ mod tests {
             );
         }
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(sessions, expected);
         for session in sessions {
@@ -355,7 +363,8 @@ mod tests {
                 .expect("record import");
         }
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
 
         assert_eq!(sessions, vec![oldest_session]);
     }
@@ -376,7 +385,7 @@ mod tests {
             .expect("record import");
 
         assert!(
-            detect_recent_sessions(&external_agent_home, root.path())
+            detect_recent_cl_sessions(&external_agent_home, root.path())
                 .expect("detect")
                 .is_empty()
         );
@@ -405,7 +414,8 @@ mod tests {
         )
         .expect("update session");
 
-        let sessions = detect_recent_sessions(&external_agent_home, root.path()).expect("detect");
+        let sessions =
+            detect_recent_cl_sessions(&external_agent_home, root.path()).expect("detect");
         assert_eq!(
             sessions,
             vec![ExternalAgentSessionMigration {
diff --git a/codex-rs/external-agent-sessions/src/detect_cursor.rs b/codex-rs/external-agent-sessions/src/detect_cu.rs
similarity index 98%
rename from codex-rs/external-agent-sessions/src/detect_cursor.rs
rename to codex-rs/external-agent-sessions/src/detect_cu.rs
index 008f6ddf63..7fd3811c93 100644
--- a/codex-rs/external-agent-sessions/src/detect_cursor.rs
+++ b/codex-rs/external-agent-sessions/src/detect_cu.rs
@@ -14,7 +14,7 @@ use std::time::Duration;
 const SESSION_IMPORT_MAX_COUNT: usize = 50;
 const SESSION_IMPORT_MAX_AGE: Duration = Duration::from_secs(30 * 24 * 60 * 60);
 
-pub fn detect_recent_cursor_sessions(
+pub fn detect_recent_cu_sessions(
     external_agent_home: &Path,
     codex_home: &Path,
 ) -> io::Result<Vec<ExternalAgentSessionMigration>> {
@@ -178,5 +178,5 @@ fn decode_cursor_project_path_from(encoded: &str, base: &Path, depth: usize) ->
 }
 
 #[cfg(test)]
-#[path = "detect_cursor_tests.rs"]
+#[path = "detect_cu_tests.rs"]
 mod tests;
diff --git a/codex-rs/external-agent-sessions/src/detect_cursor_tests.rs b/codex-rs/external-agent-sessions/src/detect_cu_tests.rs
similarity index 94%
rename from codex-rs/external-agent-sessions/src/detect_cursor_tests.rs
rename to codex-rs/external-agent-sessions/src/detect_cu_tests.rs
index a3da5c17db..de1beeab7a 100644
--- a/codex-rs/external-agent-sessions/src/detect_cursor_tests.rs
+++ b/codex-rs/external-agent-sessions/src/detect_cu_tests.rs
@@ -28,7 +28,7 @@ fn detects_cursor_transcript_with_project_cwd() {
     .expect("transcript");
 
     let sessions =
-        detect_recent_cursor_sessions(&external_agent_home, root.path()).expect("detect sessions");
+        detect_recent_cu_sessions(&external_agent_home, root.path()).expect("detect sessions");
 
     assert_eq!(
         sessions,
diff --git a/codex-rs/external-agent-sessions/src/lib.rs b/codex-rs/external-agent-sessions/src/lib.rs
index 9b51aebfa6..e43d08a2d6 100644
--- a/codex-rs/external-agent-sessions/src/lib.rs
+++ b/codex-rs/external-agent-sessions/src/lib.rs
@@ -1,7 +1,7 @@
 //! Parsing and export helpers for external-agent session histories.
 
-mod detect;
-mod detect_cursor;
+mod detect_cl;
+mod detect_cu;
 mod export;
 mod ledger;
 mod records;
@@ -12,8 +12,8 @@ use std::io;
 use std::path::Path;
 use std::path::PathBuf;
 
-pub use detect::detect_recent_sessions;
-pub use detect_cursor::detect_recent_cursor_sessions;
+pub use detect_cl::detect_recent_cl_sessions;
+pub use detect_cu::detect_recent_cu_sessions;
 use export::load_session_for_import_with_content_sha256;
 pub use ledger::CompletedExternalAgentSessionImport;
 pub use ledger::has_current_session_been_imported;