refactor(resources): add cycle detection

[ycdzj]

• refactor(resources): rename methods
• refactor(resources): detect cycles

[Copilot]

Pull Request Overview

This refactor adds cycle detection capabilities to the resources service and standardizes method names across processors and controllers. The changes introduce safer resource operations by preventing circular parent-child relationships and consolidate resource retrieval logic.

• Add cycle detection in resource operations to prevent circular parent-child relationships
• Rename getPath method to getResource for better clarity
• Replace direct resource access with centralized getResourceOrFail method

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/resources/resources.service.ts	Adds cycle detection logic and new getResourceOrFail method
src/namespace-resources/namespace-resources.service.ts	Removes direct resource access, adopts getResourceOrFail, renames getPath to getResource
src/namespace-resources/namespace-resources.controller.ts	Updates method calls to use renamed getResource method
src/namespace-resources/file-resources.controller.ts	Updates method calls to use renamed getResource method
src/wizard/wizard.service.ts	Injects ResourcesService into processor constructors
src/wizard/processors/collect.processor.ts	Replaces direct namespace resource access with ResourcesService
src/wizard/processors/collect.processor.spec.ts	Updates tests to mock ResourcesService instead of NamespaceResourcesService
src/wizard/processors/reader.processor.spec.ts	Updates tests to mock ResourcesService instead of NamespaceResourcesService

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