feat: add retrieval of anonymous projects by client ID

[iamanishsrivastava]

Fetch Anonymous Project API

🚀 Feature Request

Describe the feature
An endpoint that retrieves all projects associated with an anonymousUserId.

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🎯 Motivation

Frontend should be able to load user-specific projects even before authentication.

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🧩 Solution or Approach

• Accept anonymous ID as param/query/header
• Return list of all associated projects

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✅ Acceptance Criteria

• Auth not required to call this API
• Projects returned match anonymous ID
• Endpoint paginated if needed

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📎 Additional Context

Used in project dashboard for anonymous users.

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🔀 Related Branch

feat/anon-project-fetch

[github-actions]

This GitHub issue proposes a new feature for retrieving anonymous projects based on a client ID. Under the feat/anonymous-project-fetch branch, it specifies the development of a backend API to fetch projects associated with an anonymous client ID. Additionally, it outlines the implementation of a frontend feature to call this API and render the corresponding project list for users.