feat(backend): add configurable team member limit and update error messages

Author: Lasim

README.md

@@ -112,6 +112,7 @@ Our roadmap is designed to build the essential infrastructure for using MCP secu
 
 - **[To Do]** Build out Audit Logging features in the cloud UI.
 - **[To Do]** Develop Analytics dashboards for tool usage and performance.
+- **[To Do]** Add `deploystack logs` command for real-time gateway activity monitoring.
 - **[To Do]** Implement advanced policy controls (e.g., rate limiting, request validation).
 - **[To Do]** Add support for proxying to remote, HTTP-based MCP servers.
 

services/backend/src/global-settings/global.ts

@@ -48,6 +48,14 @@ export const globalSettings: GlobalSettingsModule = {
       description: 'Show backend version in the root API response. When disabled, version information is hidden from visitors.',
       encrypted: false,
       required: false
+    },
+    {
+      key: 'global.team_member_limit',
+      defaultValue: 3,
+      type: 'number',
+      description: 'Maximum number of members allowed in non-default teams. Default teams are always limited to 1 member (the owner).',
+      encrypted: false,
+      required: false
     }
   ]
 };

services/backend/src/routes/teams/members/add.ts

@@ -29,7 +29,7 @@ export default async function addTeamMemberRoute(server: FastifyInstance) {
     schema: {
       tags: ['Team Members'],
       summary: 'Add team member',
-      description: 'Adds a new member to a team by email address. Only team admins and owners can add members. Cannot add members to default teams. Teams are limited to 3 members maximum. Requires Content-Type: application/json header when sending request body.',
+      description: 'Adds a new member to a team by email address. Only team admins and owners can add members. Cannot add members to default teams. Team member limit is configurable via global settings (default: 3 members maximum). Requires Content-Type: application/json header when sending request body.',
       security: [{ cookieAuth: [] }],
       params: {
         type: 'object',

services/backend/src/services/teamService.ts

@@ -2,6 +2,7 @@
 import { eq, and, count } from 'drizzle-orm';
 import { getDb, getSchema } from '../db/index';
 import { generateId } from 'lucia';
+import { GlobalSettings } from '../global-settings/helpers';
 
 export interface Team {
   id: string;
@@ -423,9 +424,12 @@ export class TeamService {
       return false;
     }
 
-    // Check if team has less than 3 members
+    // Get team member limit from global settings
+    const memberLimit = await GlobalSettings.getNumber('global.team_member_limit', 3);
+    
+    // Check if team has less than the configured limit
     const memberCount = await this.getTeamMemberCount(teamId);
-    return memberCount < 3;
+    return memberCount < memberLimit;
   }
 
   /**
@@ -527,7 +531,9 @@ export class TeamService {
       if (await this.isTeamDefault(teamId)) {
         throw new Error('Cannot add members to default teams');
       } else {
-        throw new Error('Team has reached maximum capacity (3 members)');
+        // Get the actual limit for the error message
+        const memberLimit = await GlobalSettings.getNumber('global.team_member_limit', 3);
+        throw new Error(`Team has reached maximum capacity (${memberLimit} members)`);
       }
     }