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LightRAG/docs/archives/action_plan/mutitenant-audit.md
Raphael MANSUY 2b292d4924
docs: Enterprise Edition & Multi-tenancy attribution (#5) 
* Remove outdated documentation files: Quick Start Guide, Apache AGE Analysis, and Scratchpad.

* Add multi-tenant testing strategy and ADR index documentation

- Introduced ADR 008 detailing the multi-tenant testing strategy for the ./starter environment, covering compatibility and multi-tenant modes, testing scenarios, and implementation details.
- Created a comprehensive ADR index (README.md) summarizing all architecture decision records related to the multi-tenant implementation, including purpose, key sections, and reading paths for different roles.

* feat(docs): Add comprehensive multi-tenancy guide and README for LightRAG Enterprise

- Introduced `0008-multi-tenancy.md` detailing multi-tenancy architecture, key concepts, roles, permissions, configuration, and API endpoints.
- Created `README.md` as the main documentation index, outlining features, quick start, system overview, and deployment options.
- Documented the LightRAG architecture, storage backends, LLM integrations, and query modes.
- Established a task log (`2025-01-21-lightrag-documentation-log.md`) summarizing documentation creation actions, decisions, and insights.
2025-12-04 18:09:15 +08:00

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Multi-Tenant Implementation Audit Report

Date: November 23, 2025 Auditor: GitHub Copilot Scope: lightrag_webui/ directory

Executive Summary

The multi-tenant implementation in lightrag_webui has been audited and found to be correctly implemented. The architecture effectively separates tenant context, enforces tenant selection, and propagates tenant identity to the backend API.

Detailed Findings

1. Tenant Selection

Status: ✅ Correctly Implemented

  • Mechanism: Tenant selection is managed via the TenantStore (Zustand) and persisted in localStorage.
  • Enforcement:
    • App.tsx acts as a route guard, rendering TenantSelectionPage if no tenant is selected.
    • LoginPage.tsx requires a tenant to be selected before authentication can proceed.
  • UI Components:
    • TenantSelector.tsx: Provides a dropdown for selection and a read-only view with a "Switch" button.
    • TenantSelectionPage.tsx: Provides a full-page grid view for initial tenant selection.
  • Switching Flow: Clicking "Switch Tenant" in the header clears the selection in the store, triggering App.tsx to re-render the TenantSelectionPage, effectively allowing the user to choose a new tenant.

2. Knowledge Base (KB) Switching

Status: ✅ Correctly Implemented

  • Mechanism: KB selection is also managed via TenantStore and persisted in localStorage.
  • UI Integration:
    • The TenantSelector component includes a KB selector dropdown.
    • In SiteHeader.tsx, the TenantSelector is embedded. While tenant selection is set to "read-only" mode (showing the current tenant name), the KB selector remains active and visible, allowing users to switch KBs within the current tenant context.
  • Context Propagation: The selected KB ID is stored and available for API interceptors.

3. API Implementation

Status: ✅ Correctly Implemented

  • Interceptor: lightrag_webui/src/api/client.ts configures an Axios interceptor that automatically injects:
    • X-Tenant-ID header from localStorage.
    • X-KB-ID header from localStorage.
  • Consistency: All API calls in lightrag_webui/src/api/lightrag.ts use the configured axiosInstance, ensuring that every request carries the necessary tenant and KB context.
  • Tenant API: lightrag_webui/src/api/tenant.ts provides necessary endpoints for fetching tenants and KBs with pagination support.

4. Login Implementation

Status: ✅ Correctly Implemented

  • Flow: LoginPage.tsx integrates with the tenant system.
  • Validation: It prevents login attempts if no tenant is selected.
  • Guest Mode: It supports "Free Login" (Guest Mode) which also enforces tenant selection before proceeding.
  • State: Authentication state is managed in AuthStore and works in tandem with TenantStore.

Code Analysis References

  • State Management: lightrag_webui/src/stores/tenant.ts - Robust state management with persistence.
  • API Client: lightrag_webui/src/api/client.ts - Correct header injection.
  • Routing/Guards: lightrag_webui/src/App.tsx - Correct conditional rendering based on tenant selection.
  • UI: lightrag_webui/src/features/SiteHeader.tsx & lightrag_webui/src/components/TenantSelector.tsx - Correct UI composition for the header.

Recommendations

  • Error Handling: The current API fallback in api/tenant.ts returns a "Default Tenant" if the API fails. Ensure this behavior is desired for production; in a strict multi-tenant environment, it might be better to show an error to the user rather than falling back to a default.
  • Type Safety: The Tenant and KnowledgeBase interfaces in stores/tenant.ts are well-defined. Ensure backend responses strictly match these types to avoid runtime issues.

Conclusion

The multi-tenant architecture in the frontend is solid and ready for use.