fix: normalize permission objects and release ts sdk v0.2.2

[loookashow]

Summary

This PR fixes SDK/API response shape mismatches for permission objects that could cause instability in role-bound Flux auth integration scenarios.

Changes

• Added permission object payload normalization in ManagementClient:
  • supports list responses in { results: [...] } format
  • supports single-object responses
  • maps object to object_key
  • adds fallback for POST responses with 201 and empty body (returns data from request payload)
• Updated tests for management/flux permission objects to cover both legacy and new response formats.
• Bumped package version to 0.2.2.
• Minor README formatting cleanup.

Validation

• pnpm test passed (224 passed)
• pnpm build passed

Compatibility

• Backward-compatible: both old and new API response formats are supported.

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