feat: presign snapshot-version and paginated fork listing

[designcode]

Summary

• presign --snapshot-version (alias --snapshot): generate presigned GET URLs against a specific bucket snapshot. Accepts a snapshot version string or a UNIX nanosecond timestamp. Rejected for non-GET methods with a clear error.
• buckets list --forks-of pagination: --limit / --page-token are now forwarded to listForks (and a pagination hint is printed) instead of being ignored with a warning.
• Bumps @tigrisdata/storage to ^3.14.0 to support both.

Tests

Added to the integration suite (test/cli.test.ts), in the presign command block:

• presigned GET URL with --snapshot-version
• the --snapshot alias for GET
• --snapshot-version rejected with --method put

These run via npm run test:integration (or test:all) with real Tigris credentials and a rebuilt dist/.

Note: a whitespace-only prettier --write was applied to src/lib/presign.ts to satisfy the pre-commit format:check.

🤖 Generated with Claude Code

---

Note

Low Risk
User-facing CLI additions with validation and integration tests; dependency bump is the main behavioral surface beyond presign and fork pagination.

Overview
Adds presign --snapshot-version (alias --snapshot) so GET presigned URLs can target a bucket snapshot (version string or nanosecond timestamp). Non-GET methods fail with an explicit error. The flag is documented in specs.yaml and passed through to getPresignedUrl.

buckets list --forks-of now honors --limit and --page-token via listForks, uses the same paginated output and pagination hint as the default bucket list, and drops the old warning that pagination was ignored.

Bumps @tigrisdata/storage to ^3.14.0 in package.json (lockfile refresh). Integration tests cover snapshot presign GET, the --snapshot alias, and rejecting snapshot with --method put.

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[github-actions]

🎉 This PR is included in version 3.2.0 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

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