Add integration tests for 10 new CLI commands

[pjcdawkins]

Summary

• Add integration tests for 10 previously uncovered CLI commands, organized in 3 phases
• Expand mock API with DELETE handlers for variables, POST handlers for environment lifecycle operations, and new models/handlers for domains, integrations, and certificates
• Add stub endpoints for /projects/{id}/settings and /projects/{id}/capabilities

Phase 1: No mock changes needed

• decode: base64+JSON decoding, property extraction, invalid input
• environment:url: --pipe and --primary flags in both API and local modes
• environment:relationships: local mode via env var, property path extraction

Phase 2: POST/DELETE mock handlers

• variable:delete: project-level and env-level deletion with verification
• environment:activate: activate inactive env, already-active detection
• environment:pause / environment:resume: pause and resume lifecycle
• environment:redeploy: redeploy via HAL link, error when unavailable

Phase 3: New mock models and handlers

• domain:list / domain:get: table output, property extraction, empty list
• integration:list / integration:get: multiple types, property extraction
• certificate:list / certificate:get: cert details, empty list

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR expands the mock API surface area and adds integration tests to cover previously untested CLI commands around decoding, environment operations, variables, and project resources (domains/integrations/certificates).

Changes:

• Added new mock API models plus handlers/routes for domains, integrations, certificates, variable deletion, and environment lifecycle operations.
• Added stub mock endpoints for /projects/{id}/settings and /projects/{id}/capabilities.
• Added integration tests covering decode, environment url/relationships, environment activate/pause/resume/redeploy, variable deletion, and list/get for domains/integrations/certificates.

Reviewed changes

Copilot reviewed 18 out of 18 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
pkg/mockapi/api_server.go	Wires up new mock routes for settings/capabilities, env lifecycle ops, resource list/get, and variable delete endpoints.
pkg/mockapi/variables.go	Adds variable DELETE handlers and a small helper for activity-embedded responses.
pkg/mockapi/environments.go	Adds mock handlers for activate/pause/resume/redeploy endpoints.
pkg/mockapi/store.go	Extends the mock store with per-project domains/integrations/certificates + setters.
pkg/mockapi/model.go	Introduces Domain/Integration/Certificate mock models.
pkg/mockapi/domains.go	Adds list/get handlers for project domains.
pkg/mockapi/integrations.go	Adds list/get handlers for project integrations.
pkg/mockapi/certificates.go	Adds list/get handlers for project certificates.
integration-tests/decode_test.go	Integration coverage for decode including property extraction and invalid input.
integration-tests/environment_url_test.go	Covers environment:url in API and local modes (--pipe, --primary).
integration-tests/environment_relationships_test.go	Covers local-mode environment:relationships and property extraction.
integration-tests/variable_delete_test.go	Covers project and environment variable deletion.
integration-tests/environment_activate_test.go	Covers activating an inactive environment and detecting already-active envs.
integration-tests/environment_pause_test.go	Covers environment:pause and environment:resume.
integration-tests/environment_redeploy_test.go	Covers redeploy via HAL link and error when link is missing.
integration-tests/domain_test.go	Covers domain list/get and empty-list behavior.
integration-tests/integration_test.go	Covers integration list/get and property extraction.
integration-tests/certificate_test.go	Covers certificate list/get and empty-list behavior.

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