[FEATURE]: Support nullable vectors in Node.js SDK

[marcelo-cjl]

Describe the feature:
Support nullable vectors for all 6 vector types:

• FloatVector
• BinaryVector
• Float16Vector
• BFloat16Vector
• SparseFloatVector
• Int8Vector

Describe a specific use case for the feature:

• Add vector column.
• Vector data can be empty.

[coderabbitai]

📝 CodeRabbit Plan Mode

Generate an implementation plan and prompts that you can use with your favorite coding agent.

• Create Plan

Examples

• Example 1
• Example 2

---

🧪 Issue enrichment is currently in open beta.

You can configure auto-planning by selecting labels in the issue_enrichment configuration.

To disable automatic issue enrichment, add the following to your .coderabbit.yaml:

issue_enrichment:
  auto_enrich:
    enabled: false

💬 Have feedback or questions? Drop into our discord or schedule a call!