Enforce //go:build !integration on untagged unit test files

[Copilot]

Repository policy requires every *_test.go file to declare a build constraint; several production unit tests were missing this, causing inconsistent inclusion when running with build tags. This PR adds the required unit-test tag to all affected files.

• What changed

  • Added //go:build !integration at file top (with required blank line before package) for 13 untagged production test files across:
    • pkg/cli
    • pkg/constants
    • pkg/errorutil
    • pkg/parser
    • pkg/syncutil
    • pkg/workflow

• Why this matters

  • Makes unit-test selection deterministic under tag-filtered runs.
  • Brings these tests into compliance with AGENTS.md build-tag policy.

• Change pattern (applied uniformly)

  //go:build !integration
  
  package workflow

[Copilot]

Pull request overview

This PR enforces the repository’s test build-tag policy by adding //go:build !integration to previously-untagged *_test.go files, making unit-test selection deterministic when running with build tags.

Changes:

• Added //go:build !integration (with required blank line) to 13 existing unit test files across multiple packages.
• Standardized test file headers to comply with the build-tag policy in AGENTS.md.

Show a summary per file

File	Description
pkg/workflow/test_helpers_shared_test.go	Adds unit-test build tag (but this file appears to be a shared helper used by integration tests too).
pkg/workflow/github_context_prompt_test.go	Adds unit-test build tag header.
pkg/workflow/docker_cli_proxy_test.go	Adds unit-test build tag header.
pkg/workflow/compiler_test_helpers_test.go	Adds unit-test build tag (but helpers are referenced by integration-tagged tests).
pkg/syncutil/onceloader_test.go	Adds unit-test build tag header.
pkg/parser/import_bfs_test.go	Adds unit-test build tag header.
pkg/errorutil/errors_test.go	Adds unit-test build tag header.
pkg/constants/permissions_policy_test.go	Adds unit-test build tag header.
pkg/cli/test_helpers_git_test.go	Adds unit-test build tag (but helper is referenced by integration-tagged tests).
pkg/cli/status_dependency_tree_test.go	Adds unit-test build tag header.
pkg/cli/mcp_inspect_tree_test.go	Adds unit-test build tag header.
pkg/cli/compile_workflow_processor_test.go	Adds unit-test build tag header.
pkg/cli/codemod_activation_outputs_test.go	Adds unit-test build tag header.

Copilot's findings

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• Files reviewed: 13/13 changed files
• Comments generated: 3