2026-07-03 01:26:30 +04:00
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# Service Standards
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Status: Mandatory
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Date: 2026-07-03
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## Service Categories
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- Domain Service: business operations and rules.
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- Integration Service: external API/system communication.
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- Platform Service: cross-cutting platform concerns.
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## Rules
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- Services must have one clear responsibility.
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- Services should expose typed contracts only.
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- Services should avoid UI-specific formatting.
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- Services should not depend on component classes.
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- Shared services must not depend on feature modules.
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2026-07-09 02:29:12 +04:00
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- Business decisions must not be driven by `environment.*` flags.
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- Environment values are limited to infrastructure concerns (API base URLs, provider strategy wiring, auth endpoint origins).
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2026-07-03 01:26:30 +04:00
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## Facade Interaction
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- Components call facades.
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- Facades call services.
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- Services do not call UI components.
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## Stable Module Protection
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- Existing authentication, payment, authorization services remain behavior-compatible.
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- Wrap legacy stable behavior with adapters where needed.
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- No contract changes for auth/payment APIs.
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## Storage and Runtime Access
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- Browser storage access allowed only in approved service boundaries.
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- Prefer abstraction interfaces for storage access.
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- Never use storage APIs in UI components.
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