Method create_session

graphlite/src/session/manager.rs:110–134

Create a new session and return its ID

(
        &self,
        username: String,
        roles: Vec<String>,
        permissions: SessionPermissionCache,
    )

    /// Create a new session and return its ID
    pub fn create_session(
        &self,
        username: String,
        roles: Vec<String>,
        permissions: SessionPermissionCache,
    ) -> Result<String, String> {
        let user_session = UserSession::new(
            username,
            roles,
            permissions,
            self.transaction_manager.clone(),
        );

        let session_id = user_session.session_id.clone();
        let session_arc = Arc::new(RwLock::new(user_session));

        // Use partitioned lock for reduced contention
        let partition_idx = self.partition_index(&session_id);
        let mut partition = self.sessions[partition_idx]
            .write()
            .map_err(|_| "Failed to acquire partition write lock")?;
        partition.insert(session_id.clone(), session_arc);

        Ok(session_id)
    }

    /// Get a session by ID
    pub fn get_session(&self, session_id: &str) -> Option<Arc<RwLock<UserSession>>> {