Set up CellRank as a remote tool

Validation status (2026-08-16): CellRank dependencies, loopback discovery, and a bounded deterministic pseudotime-kernel fate call passed with aligned finite probabilities. Public publication, cross-user isolation, representative biology, broad concurrency, and recovery remain incomplete; keep this deployment private. Authenticated private Platform import and owner testing passed on 2026-08-16; public publication and independent-caller authorization/isolation remain untested.

Prerequisites

• Run from the ToolUniverse repository root on Linux with Python 3.12.3.
• CPU is acceptable for a tiny graph; GPU is optional.
• Keep provider data, weights, caches, and credentials outside Git.
• Bind to loopback. A non-loopback bind requires TOOLUNIVERSE_API_TOKEN; never put it in arguments or results.

Run the standard-library contract check before downloading large dependencies:

python scripts/remote_validation/setup_skill_preflight.py --implementation cellrank