SymKit

SymKit/bundles-rules

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Composer plugin symkit/bundle-ai-kit — Cursor-only sync.

SymKit/bundles-rules

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Conventions for writing .mdc rule and skill files distributed by the plugin.

SymKit/bundles-rules

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Strict PHP code style for Composer plugin source code.

SymKit/bundles-rules

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Quality tooling configuration and CI pipeline for the Composer plugin.

SymKit/bundles-rules

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Testing patterns for the Composer plugin test suite.

SymKit/bundles-rules

Agent

Technical architecture and design specialist. Use when planning feature implementation, making technology choices, designing interfaces, or when a PM specification is ready for technical design. Analyzes existing codebase patterns and produces technical plans.

SymKit/bundles-rules

Agent

Product analysis and requirements engineering. Use when implementing new features, analyzing business requirements, scoping work, or when the user describes what they want to build. Produces structured specifications with acceptance criteria.

SymKit/bundles-rules

Agent

Quality assurance and verification specialist. Use after implementation to verify code quality, run tests, check rule compliance, and validate against specifications. Skeptical by design — rejects work that doesn't meet standards.

SymKit/bundles-rules

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API Platform: Resources, providers/processors, serialization, validation, Problem Details (optional in bundles).

SymKit/bundles-rules

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Symfony native API: MapRequestPayload, MapQueryString, Serializer groups, RFC 7807 (bundle controllers).

SymKit/bundles-rules

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Bundle architecture: Extension, services, public Contract API, tests, Flex — adapt to existing patterns.

SymKit/bundles-rules

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Caching: HTTP cache, app cache pools, decorator, tag invalidation, stampede, ESI.

SymKit/bundles-rules

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PHP 8.2+ coding: stricttypes, final, SOLID, DI, TaggedIterator, iterables, no dump/dd.

SymKit/bundles-rules

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Console commands: ProgressBar, SymfonyStyle, scheduling, exit codes, CommandTester.

SymKit/bundles-rules

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Doctrine in bundles: entities, mapping (XML), repos — only when the bundle persists data.

SymKit/bundles-rules

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DTOs: immutability, context-based naming, validation at boundary, mapping, no public setters.

SymKit/bundles-rules

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Error handling: custom exceptions, ExceptionListener, RFC 7807 Problem Details, errors.

SymKit/bundles-rules

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Forms: DTO binding, FormType, EventSubscriber, DataTransformer (bundle FormTypes).

SymKit/bundles-rules

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Frontend: Stimulus, Turbo, Twig/Live Components, AssetMapper (bundle assets/templates).

SymKit/bundles-rules

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HTTP Client: scoped clients, retry, rate limiting, SSRF prevention, MockHttpClient.

SymKit/bundles-rules

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For logging and observability conventions, see observability.mdc.

SymKit/bundles-rules

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Mailer/Notifier: templated emails, transports, async Messenger dispatch, testing.

SymKit/bundles-rules

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Messenger CQRS: commands, handlers, buses, transports, stamps, idempotence, failure handling.

SymKit/bundles-rules

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Observability: PSR-3, structured logging, LogSubscriber, Monolog, FingersCrossed, PII masking.