feat: opa validations policy rule

[adityachoudhari26]

Summary by CodeRabbit

• New Features
  • Added ability to manage dependencies for deployment versions
  • Added support for OPA plan validation rules in policies

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 3e6f0ea5-9784-4844-b6cc-72c0427e02c7

📥 Commits

Reviewing files that changed from the base of the PR and between 487551f and f1c2fe8.

📒 Files selected for processing (3)

• docs/resources/policy.md
• internal/api/client.gen.go
• internal/provider/policy_resource.go

📝 Walkthrough

Walkthrough

This PR extends the API client with support for deployment version dependency management (list, delete, upsert operations) and OPA plan validation policy rules. It adds corresponding data types, request/response plumbing in the generated client, integrates OPA rule support into the Terraform provider's policy resource schema and model, and changes the deployment version creation response from HTTP 202 to HTTP 200.

Changes

Dependency Management & Policy Rules API Support

Layer / File(s)	Summary
Data Shape internal/api/client.gen.go	New types added: DeploymentVersionDependency (with DependencyDeploymentId, DeploymentVersionId, VersionSelector), PlanValidationOpaRule (with Description, Name, Rego). Existing types extended: CreateDeploymentVersionRequest gains Dependencies field; CreatePolicyRule and UpsertPolicyRule gain PlanValidationOpa field; CreateDeploymentVersionResponse field changed from JSON202 to JSON200.
API Client Plumbing internal/api/client.gen.go	Request constructors added: NewListDeploymentVersionDependenciesRequest, NewRequestDeploymentVersionDeletionRequest, NewRequestDeploymentVersionUpsertRequest (with WithBody variants). ClientInterface extended with four new dependency-management methods. Client concrete implementation adds corresponding methods. Response types added: ListDeploymentVersionDependenciesResponse, RequestDeploymentVersionDependencyDeletionResponse, RequestDeploymentVersionDependencyUpsertResponse. ClientWithResponsesInterface and ClientWithResponses wrappers add typed response methods and parsing.
Terraform Provider Schema & Model internal/provider/policy_resource.go	PolicyResourceModel adds PlanValidationOpa []PolicyPlanValidationOpa field. New type PolicyPlanValidationOpa created with CreatedAt, ID, Name, Description, Rego. Provider schema adds plan_validation_opa nested block. policyRulesModel and policyRequestRule include the new rule type.
Provider Conversion Logic internal/provider/policy_resource.go	policyRulesFromModel adds conversion loop for PlanValidationOpa items with validation of name and rego. policyRulesToModel adds reverse conversion from API PlanValidationOpaRule to provider model. ensurePolicyIDs and ensurePolicyRuleCreatedAt extended to stabilize ID and created_at for OPA rules via helper functions mergePlanValidationOpaIDs and mergePlanValidationOpaCreatedAt. Provider Read and Update methods assign/read PlanValidationOpa from converted API rules.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• #16: Modifies internal/provider/policy_resource.go to add a different policy rule type and updates the same helper functions (ensurePolicyIDs, ensurePolicyRuleCreatedAt, policyRulesFromModel, policyRulesToModel) to support additional rules.
• #17: Touches policy handling and client response parsing—modifying policy resource read/update logic and generated client response types (JSON200/JSON202 handling).

Poem

🐰 New rules for OPA dance and play,
Dependencies linked in every way,
The client speaks in HTTP 200,
Provider schemas learn what's true,
From API's plan to state so bright! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 54.55% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title 'feat: opa validations policy rule' directly and clearly describes the main change: adding OPA validation support to policy rules across the API client and Terraform provider.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch opa-validation-tf

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