docs(sdk): pin Python and TypeScript SDK 1.0.1

[Si40Code]

Summary

• Point both TypeScript and Python installation instructions at SDK 1.0.1.
• Use SDK 1.0 for the shared migration line; keep the public API contract and OpenAPI snapshot unchanged.

Release links

• npm 1.0.1 is published and fresh-install verified: https://github.com/CALLE-AI/server-sdk-typescript/releases/tag/v1.0.1
• Python token-based release fix: fix(release): use existing PyPI environment token for 1.0.1 server-sdk-python#48
• Python release: https://github.com/CALLE-AI/server-sdk-python/releases/tag/v1.0.1

Validation

DOCS_PREVIEW_PORT=43174 pnpm run validate passed after both version updates, including typecheck, build, artifact checks, deployment tests and all 27 browser tests. No visual layout changes.

Merge only after Python 1.0.1 is confirmed available from PyPI.