feature: Pool API Refactoring TODO

[raamsri]

Feature Request

Summary

Refactor Pool APIs to use request body for parameters instead of URL parameters

Motivation

Maintain consistency with Dataset APIs and improve parameter handling

Detailed Design

1. API Changes:

   // filepath: pkg/zfs/api/routes.go
   // Current:
   // GET /pools/:name/properties/:property
   // Proposed:
   // GET /pools/properties
   // Body: {"name": "pool1"}

2. Implementation:

• Update route definitions
• Add request/response structs
• Update handlers
• Add validation middleware

Acceptance Criteria

• Consistent API design
• Parameter validation
• Error handling
• Documentation