diff --git a/AgentCompany-Rust/crates/support/src/paths.rs b/AgentCompany-Rust/crates/support/src/paths.rs
index 98b1d06a..b35c71da 100644
--- a/AgentCompany-Rust/crates/support/src/paths.rs
+++ b/AgentCompany-Rust/crates/support/src/paths.rs
@@ -4,7 +4,8 @@ use std::{
     path::{Path, PathBuf},
 };
 
-pub const APP_NAME: &str = "AgentCompany";
+pub const APP_NAME: &str = "AgentCompany-Rust";
+pub const PROFILE_DB_FILE_NAME: &str = "agentcompany-native.sqlite";
 pub const PROFILE_ENV: &str = "AGENTCOMPANY_PROFILE_DIR";
 pub const RUNTIME_COMMAND_ENV: &str = "AGENTCOMPANY_PI_COMMAND";
 pub const RUNTIME_ARGS_ENV: &str = "AGENTCOMPANY_PI_ARGS_JSON";
@@ -24,10 +25,39 @@ pub fn resolve_profile_dir() -> Result<PathBuf> {
 }
 
 pub fn profile_db_path(profile_dir: &Path) -> PathBuf {
-    profile_dir.join("profile.sqlite")
+    profile_dir.join(PROFILE_DB_FILE_NAME)
 }
 
 pub fn ensure_profile_dir(profile_dir: &Path) -> Result<()> {
     fs::create_dir_all(profile_dir)?;
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::{APP_NAME, PROFILE_DB_FILE_NAME, default_profile_dir, profile_db_path};
+
+    #[test]
+    fn default_profile_dir_uses_native_app_namespace() {
+        let profile_dir = default_profile_dir().expect("resolve default profile dir");
+        let profile_path = profile_dir.to_string_lossy();
+
+        assert!(profile_path.contains(APP_NAME));
+        assert!(!profile_path.contains("AgentCompany/profile"));
+    }
+
+    #[test]
+    fn profile_db_path_uses_native_database_file_name() {
+        let profile_dir = std::path::Path::new("/tmp/agentcompany-rust/profile");
+        let db_path = profile_db_path(profile_dir);
+
+        assert_eq!(
+            db_path.file_name().and_then(|value| value.to_str()),
+            Some(PROFILE_DB_FILE_NAME)
+        );
+        assert_ne!(
+            db_path.file_name().and_then(|value| value.to_str()),
+            Some("profile.sqlite")
+        );
+    }
+}