feat: admin + first user functionality

CHANGELOG.md

@@ -0,0 +1,45 @@
+# Changelog
+
+All notable changes to LoBBS will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Logo assets with logo.pxd and logo.webp files
+- Walkthrough video link in README
+- Admin user functionality - first registered user automatically becomes administrator
+
+### Changed
+- Updated README with improved documentation, license information, and links
+
+## [1.1.0] - 2025-12-05
+
+### Added
+- MPM plugin compatibility
+
+### Fixed
+- Direct messages now properly filter out broadcasts
+
+## [1.0.1] - 2025-12-05
+
+### Changed
+- Enhanced installation documentation with Mesh Forge method
+- Updated installation instructions for MPM integration
+
+## [1.0.0] - 2025-11-28
+
+### Added
+- Initial release of LoBBS (LoDB Bulletin Board System)
+- User registration and authentication
+- Bulletin board messaging system
+- Direct messaging between users
+- Session management
+- User directory and search functionality
+
+[Unreleased]: https://github.com/MeshEnvy/lobbs/compare/v1.1.0...HEAD
+[1.1.0]: https://github.com/MeshEnvy/lobbs/compare/v1.0.1...v1.1.0
+[1.0.1]: https://github.com/MeshEnvy/lobbs/compare/v1.0.0...v1.0.1
+[1.0.0]: https://github.com/MeshEnvy/lobbs/compare/c911244...v1.0.0

src/LoBBSDal.cpp

@@ -138,19 +138,23 @@ bool LoBBSDal::createUser(const char *username, const char *password, uint32_t n
     // Calculate UUID first (username with host node ID as salt)
     lodb_uuid_t userUuid = usernameToUuid(username, hostNodeId);
 
+    // Check if this is the first user (no existing users)
+    bool isFirstUser = (db->count("users") == 0);
+
     // Create user record
     meshtastic_LoBBSUser user = meshtastic_LoBBSUser_init_zero;
     strncpy(user.username, username, sizeof(user.username) - 1);
     user.uuid = userUuid;
     user.password_hash.size = 32;
     hashPassword(password, user.password_hash.bytes);
+    user.is_admin = isFirstUser;
     LoDbError err = db->insert("users", userUuid, &user);
     if (err != LODB_OK) {
         LOG_ERROR("Failed to create user: %s", username);
         return false;
     }
 
-    LOG_INFO("Created user: %s", username);
+    LOG_INFO("Created user: %s (admin: %s)", username, isFirstUser ? "yes" : "no");
 
     // Log in the user (create session)
     return loginUser(username, nodeId);

src/lobbs.proto

@@ -22,6 +22,11 @@ message LoBBSUser {
    * User UUID - deterministic hash derived from username
    */
   uint64 uuid = 3;
+
+  /*
+   * Whether this user is an administrator
+   */
+  bool is_admin = 4;
 }
 
 /*