list sandboxes, images, snapshots

[Dingway98]

Note

Medium Risk
Adds new public API surface and changes SandboxListParams defaults/validation, which could affect existing callers relying on previous optional pagination/search fields.

Overview
Adds new sandbox control endpoints to the SDK: SandboxManager.list() (paged /sandboxes), list_images() (/images), and list_snapshots() (/snapshots) for both sync and async clients.

Introduces new Pydantic models for image and snapshot listing (including SandboxSnapshotStatus and optional compatibility_tag handling), tweaks SandboxListParams defaults/validation (default page=1, limit=10), exports the new models, and adds wire-contract + e2e tests covering listing behavior and serialization. Bumps package version to 0.87.0.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

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