added features and fixes

internal/permissions/checker.go

@@ -68,6 +68,13 @@ func (c *Checker) GetUserPermissions(ctx context.Context, serverID string, userI
 // CheckPermission reports whether the user has all the required permission bits
 // in the given server. ADMINISTRATOR bypasses all checks.
 func (c *Checker) CheckPermission(ctx context.Context, serverID string, userID string, required int64) (bool, error) {
+	// Check if the user is the server owner.
+	var ownerID string
+	err := c.db.QueryRowContext(ctx, `SELECT owner_id FROM servers WHERE id = $1`, serverID).Scan(&ownerID)
+	if err == nil && ownerID == userID {
+		return true, nil
+	}
+
 	perms, err := c.GetUserPermissions(ctx, serverID, userID)
 	if err != nil {
 		return false, err
@@ -85,6 +92,13 @@ func (c *Checker) CheckPermission(ctx context.Context, serverID string, userID s
 // for a specific channel. It layers channel-level overrides on top of server role
 // permissions. ADMINISTRATOR bypasses all checks.
 func (c *Checker) CheckChannelPermission(ctx context.Context, serverID, userID, channelID string, required int64) (bool, error) {
+	// Check if the user is the server owner.
+	var ownerID string
+	err := c.db.QueryRowContext(ctx, `SELECT owner_id FROM servers WHERE id = $1`, serverID).Scan(&ownerID)
+	if err == nil && ownerID == userID {
+		return true, nil
+	}
+
 	perms, err := c.GetUserPermissions(ctx, serverID, userID)
 	if err != nil {
 		return false, err