chore: update 3 api

[asukaminato0721]

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Summary

part of #35141 from codex

Screenshots

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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint && make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

[Copilot]

Pull request overview

Refactors the workspace plugin endpoint write APIs to add canonical, resource-oriented routes while keeping the historical verb-based routes as deprecated aliases (so only legacy paths are marked deprecated in OpenAPI).

Changes:

• Introduces canonical write routes: POST /workspaces/current/endpoints, PATCH/DELETE /workspaces/current/endpoints/<id>.
• Keeps legacy verb-based routes (/create, /update, /delete) as separate deprecated resources with explicit OpenAPI deprecation metadata.
• Updates/extends unit tests to cover canonical routes, deprecated routes, and route/metadata registration.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
api/controllers/console/workspace/endpoint.py	Adds canonical collection/item resources, extracts shared helpers, and introduces deprecated alias resources with OpenAPI deprecation markers.
api/tests/unit_tests/controllers/console/workspace/test_endpoint.py	Updates tests to target the new canonical resources and adds assertions for deprecation metadata + route registration.

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