6029acc2d4
Documents the decision behind the typed contracts added in the previous commit: Seller Management is an optional platform capability module (Platform -> Marketplace -> Seller, 0..N per marketplace), not a second tenancy tier. Backend resolves seller scope the same way it already resolves tenant (ADR-001); frontend never resolves it itself. Gated by one typed flag (modules.sellerManagement.enabled), same capability-guard discipline as ADR-009, defaulting to disabled/absent so existing marketplaces are byte-identical. Explicitly scopes out UI, backend, and business logic as future work requiring its own ADR/implementation pass once the module is actually built out. Added companion diagrams (Seller-Management-Diagrams.md): hierarchy, bootstrap module-gate flow, and the type-contract class diagram. Registered ADR-011 in the foundation README's ADR index.
117 lines
4.8 KiB
Markdown
117 lines
4.8 KiB
Markdown
# Marketplace Platform Architecture Foundation
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Status: Approved
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Owner: Lead Software Architect
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Date: 2026-07-03
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## Purpose
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This folder defines the mandatory engineering governance for transforming this codebase into a reusable, configuration-driven, multi-tenant Marketplace Platform (Marketplace-as-a-Service).
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This repository is not treated as a single marketplace website.
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It is a platform runtime that must support unlimited tenants from one Angular application.
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## Platform Principles
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- One codebase, unlimited tenants.
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- Every tenant has three surfaces: Website, Builder, Backoffice.
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- Frontend contains no tenant-specific implementation code.
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- Tenant behavior is controlled by configuration loaded at bootstrap.
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- Authentication, payment, authorization behavior and contracts remain unchanged.
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- Prefer composition over inheritance.
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- Prefer configuration over conditionals.
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- No circular dependencies.
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- Shared and UI layers are feature-agnostic.
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## Non-Negotiable Constraints
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- Authentication behavior remains exactly as current implementation.
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- Payment API behavior remains exactly as current implementation.
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- Authorization behavior remains exactly as current implementation.
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- Existing authentication and payment API contracts cannot be changed.
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- Proven modules are reused, wrapped, and isolated, not redesigned.
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## Document Set
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### Architecture Decision Records
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- [ADR-001](adr/ADR-001-platform-model.md)
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- [ADR-002](adr/ADR-002-layered-feature-architecture.md)
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- [ADR-003](adr/ADR-003-import-boundaries-and-dependency-direction.md)
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- [ADR-004](adr/ADR-004-configuration-bootstrap-and-provider-abstraction.md)
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- [ADR-005](adr/ADR-005-dynamic-page-section-widget-rendering.md)
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- [ADR-006](adr/ADR-006-ui-component-purity-and-container-facade-pattern.md)
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- [ADR-007](adr/ADR-007-state-management-and-facade-boundaries.md)
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- [ADR-008](adr/ADR-008-theme-engine-and-design-token-runtime.md)
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- [ADR-009](adr/ADR-009-feature-flags-and-capability-guards.md)
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- [ADR-010](adr/ADR-010-backward-compatibility-for-auth-payment-authorization.md)
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- [ADR-011](adr/ADR-011-optional-seller-management-module.md)
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### Engineering Rule Documents
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- [Folder Blueprint](Folder-Blueprint.md)
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- [Import Boundary Matrix](Import-Boundary-Matrix.md)
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- [Dependency Rules](Dependency-Rules.md)
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- [Naming Conventions](Naming-Conventions.md)
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- [Coding Standards](Coding-Standards.md)
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- [Component Standards](Component-Standards.md)
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- [Service Standards](Service-Standards.md)
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- [Configuration Standards](Configuration-Standards.md)
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- [State Management Standards](State-Management-Standards.md)
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## Compliance
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All new work must comply with this foundation.
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If an implementation conflicts with these rules, implementation must be adjusted.
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If a rule must change, an ADR update is required first.
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## Sprint 11.5 Standardization Audit (2026-07-09)
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Platform-wide standardization was executed before Admin Platform work.
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### Completed Standardization
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- Verified and enforced container/facade/domain/infrastructure boundaries across active website features.
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- Removed remaining legacy variant naming in application-layer templates/styles.
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- Removed duplicate legacy search-history implementation in catalog feature module.
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- Standardized design-token surface with explicit spacing, radius, shadow, and transition tokens.
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- Added widget metadata support for title/subtitle/visibility/layout/animation/style/permissions in shared contracts and dynamic rendering path.
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- Converted remaining identified hardcoded UI strings in audited runtime pages/components to translation keys.
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### Bootstrap/Configuration Gaps Identified
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- Widget permission model supports auth gating but role/permission enforcement is limited by current auth session shape (no role list in session model).
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- Popular search defaults are currently facade-local and should be moved to bootstrap-configurable catalog search settings.
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- Storage key naming conventions for local persistence are platform-scoped but still static constants; optional bootstrap override could improve tenant isolation.
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### Validation Baseline
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- Build and architecture checks are required for acceptance of this sprint.
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- Final details and file-level changes are tracked in `Platform-Standardization-Report.md`.
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## Mandatory Phase Order
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Implementation must proceed only in this order:
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1. Foundation structure only, app compiles.
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2. Shared interfaces and types only.
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3. Mocked configuration payloads only.
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4. ConfigService abstraction only.
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5. Theme engine.
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6. Dynamic rendering engine.
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7. Reusable widget library.
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8. Website from configuration.
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9. Builder from configuration domain.
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10. Backoffice from business domain.
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11. Backend documentation.
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For each phase:
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1. Explain what will be created.
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2. Explain why.
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3. List files to create.
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4. Explain dependencies.
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5. Implement only that phase.
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6. Verify build integrity.
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7. Stop and wait.
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