feat: remove remaining use of session.toml

template/docs/syscalls.md

@@ -568,7 +568,7 @@ montauk::config::save("desktop", &doc);
 
 Header: `montauk/user.h`
 
-User authentication and session management with SHA-256 password hashing.
+User authentication and current-user helpers with SHA-256 password hashing.
 
 ```cpp
 bool user::authenticate(const char* username, const char* password);
@@ -577,8 +577,6 @@ bool user::create_user(const char* username, const char* display_name,
 bool user::delete_user(const char* username);
 bool user::change_password(const char* username, const char* new_password);
 
-void user::set_session(const char* username);         // Log in
-void user::clear_session();                           // Log out
 bool user::get_session_username(char* buf, int sz);   // Get current process user
 bool user::get_home_dir(char* buf, int sz);           // Get current process home directory
 ```

template/sysroot/include/montauk/user.h

@@ -328,22 +328,7 @@ namespace user {
         return false;
     }
 
-    // ---- Session state and current user helpers ----
-
-    // Persist login session state after successful login.
-    // Current processes should use getuser() for their active username.
-    inline void set_session(const char* username) {
-        montauk::toml::Doc doc;
-        doc.init();
-        config::set_string(&doc, "session.username", username);
-        config::save("session", &doc);
-        doc.destroy();
-    }
-
-    // Clear the session (on logout).
-    inline void clear_session() {
-        montauk::fdelete("0:/config/session.toml");
-    }
+    // ---- Current user helpers ----
 
     // Read the current process username into buf. Returns true if one is set.
     inline bool get_session_username(char* buf, int bufSz) {

template/sysroot/include/montauk/wifi.h

@@ -17,7 +17,7 @@
     * a raw PSK). Anyone who can read 0:/config can read the keys.
     *
     * No default copy of this file ships in the image, deliberately. Every other
-    * config an app writes (bluetooth.toml, display.toml, session.toml) is
+    * config an app writes (bluetooth.toml, display.toml) is
     * created on demand for the same reason: a shipped copy is laid down again
     * by anything that refreshes the system files, and it would overwrite the
     * networks the user had saved.