76 lines
2.0 KiB
Markdown
76 lines
2.0 KiB
Markdown
# Config Domain
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## 1. Purpose
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CONFIG DOMAIN provides runtime UI configuration for a tenant.
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It enables one frontend build to serve many tenants by changing configuration, not code.
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Primary outputs:
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- `/bootstrap`
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- `/pages/:slug` (static content domain)
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## 2. Ownership
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Config domain owns:
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- tenant public runtime metadata
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- theme and visual tokens
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- layout mode and page structure
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- widget registry metadata pointers
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- footer metadata and legal-page mapping
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- feature flags and localization mappings
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Business domain owns:
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- items, categories, cart, orders, payments, auth
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## 3. Layout Engine Responsibility
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Backend returns layout intent (e.g., `layout.type`) and page graph.
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Frontend layout engine composes UI from this graph.
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Supported modes:
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- default
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- sidebar-left
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- carousel-home
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- minimal
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No tenant-specific UI branching in component code.
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## 4. Widget Registry Concept
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Backend provides `widgetRegistry.manifestUrl`.
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Frontend reads manifest and resolves approved widget keys.
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Benefits:
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- controlled extensibility
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- unknown widget safe fallback
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- decoupled rollout of widget metadata
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## 5. Footer + Static Page System
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Footer metadata includes:
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- columns and links
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- payment icons
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- legal page references
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- localized copyright
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Static pages provide multilingual HTML per slug.
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Frontend renders through safe sanitization path.
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## 6. Feature Flags
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Feature flags in bootstrap:
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- enable/disable capabilities at tenant scope
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- support gradual rollout
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- avoid deployment-based behavior switches
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## 7. Config Data vs Business Data
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Config data:
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- shapes the interface
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- relatively low-frequency changes
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- public-safe payloads
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Business data:
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- transactional/catalog state
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- high-frequency updates
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- operational integrity requirements
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## 8. Why Separation Matters
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- scalability: independent lifecycle for UI config and business operations
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- safety: prevents leaking operational logic into UI composition
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- maintainability: clear boundaries and lower coupling
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- multi-tenant readiness: behavior changes per tenant without code fork
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