Implement risk Accept/ Review endpoints

[gusfcarvalho]

this PR adds accept/review endpoints for Risks

[Copilot]

Pull request overview

This PR adds dedicated AcceptRisk and ReviewRisk service operations to the risk management system, exposing them as new REST endpoints (POST /risks/{id}/accept, POST /risks/{id}/review, and their SSP-scoped variants). The PR also introduces a ValidationError type in the risks package, a RiskReviewDecision enum, and adds a INTEGRATION_RUNS Makefile variable for repeated integration test runs to detect flakiness. A TODO comment is left as a hook for future notification worker wiring.

Changes:

• New AcceptRisk and ReviewRisk service methods with proper transaction handling, status transition enforcement, and audit event/review record creation
• New Accept/Review HTTP handler methods with SSP-scoped variants, validation, and Swagger documentation
• New ValidationError type for structured validation feedback from the service layer; INTEGRATION_RUNS Makefile variable for multi-run flakiness detection

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
internal/service/relational/risks/errors.go	New ValidationError type and IsValidationError helper for structured service-layer validation errors
internal/service/relational/risks/reviews.go	New RiskReviewDecision enum, IsValid() method, and NormalizeRiskReviewDecision normalizer
internal/service/relational/risks/service.go	AcceptRisk and ReviewRisk methods implementing status transitions, event logging, and review records
internal/service/relational/risks/service_test.go	Unit tests for AcceptRisk validation/success and ReviewRisk extend/reopen decisions
internal/api/handler/risks.go	Accept, Review, AcceptForSSP, ReviewForSSP handler methods with request types and route registration
internal/api/handler/risks_integration_test.go	Integration tests for the new accept and review endpoints, including SSP-scoped variants
Makefile	Adds INTEGRATION_RUNS variable enabling repeated integration test runs
docs/swagger.yaml, docs/swagger.json, docs/docs.go	Auto-generated Swagger docs for the four new endpoints

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[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.

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[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 4 comments.

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[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

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[Copilot]

Pull request overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated no new comments.

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