Central Free & Core Modules

The Central Hub is not just a gateway; it provides a comprehensive suite of free modules that act as the operating system for the Enterprise. These modules are bundled because they are essential for ANY business operation, regardless of industry.

---

1) The Core Module Suite

These modules are pre-installed and cannot be disabled (though some features can be hidden).

Central Modules Map

            flowchart TD
                Hub(("Central Hub"))
                
                subgraph Core [Core Foundation]
                    Auth["Auth & IAM"]
                    Platform["Tenant Mgmt"]
                    Billing["Billing Engine"]
                end

                subgraph Master [Master Tables]
                    People["People Directory"]
                    Org["Branches & Depts"]
                end

                subgraph Omni [Omni Tools]
                    Tickets["Tickets"]
                    Notif["Notifications"]
                    Audit["Audit Logs"]
                end

                Hub --- Core
                Hub --- Master
                Hub --- Omni

                style Hub fill:#2563eb,color:white,stroke:#333
                style Core fill:#eff6ff,stroke:#60a5fa
                style Master fill:#f0fdf4,stroke:#4ade80
                style Omni fill:#faf5ff,stroke:#a855f7
            

---

2) Technical Breakdown

Module	Key Tables	Key APIs
Identity	users, roles, permissions	POST /auth/login, GET /users
People	people, person_meta	GET /people/:id, PATCH /people/:id
Org Struct	branches, departments	GET /branches, POST /departments
Marketplace	modules, tenant_modules	POST /modules/:id/enable

---

3) Module Enablement Lifecycle

How a tenant goes from "Browsing" to "Using" a module (Paid or Free).

            flowchart LR
                Start((Start)) --> Browse[Browse Marketplace]
                Browse --> Select[Select Module]
                Select --> CheckPrice{Is Paid?}
                
                CheckPrice -- Yes --> Pay[Process Payment]
                Pay --> Enable
                CheckPrice -- No --> Enable[Enable Module]
                
                Enable --> DbRecord[Insert tenant_modules]
                DbRecord --> Event[Publish 'module.enabled']
                
                Event --> Setup[Run Module Seeders]
                Setup --> Ready((Ready))

                style Enable fill:#dbeafe,stroke:#2563eb
                style Event fill:#fef3c7,stroke:#d97706
            

---

4) Integration for Future Paid Modules

When building a paid module (e.g., HRM, CRM), developers must integrate with these Central capabilities: