Vector sets

[nkaradzhov]

Add Redis Vector Set Commands Support

Overview

This PR implements Redis Vector Set commands (Redis 8.0+), adding 13 new commands with TypeScript support, test coverage, and RESP2/RESP3 protocol compatibility.

New Commands

Command	Description
VADD	Add vectors to a set
VCARD	Get vector set cardinality
VDIM	Get vector dimensions
VEMB	Get element embeddings
VEMB_RAW	Get raw element embeddings
VGETATTR	Get element attributes
VINFO	Get vector set metadata
VLINKS	Get HNSW graph connections
VLINKS_WITHSCORES	Get connections with scores
VRANDMEMBER	Get random elements
VREM	Remove elements
VSETATTR	Set element attributes
VSIM	Vector similarity search
VSIM_WITHSCORES	Similarity search with scores

JSON Helper Functions Relocation

• Moved RedisJSON utilities from packages/json/lib/commands/helpers.ts to packages/client/lib/commands/generic-transformers.ts
• Updated all import statements in JSON package
• JSON package re-exports helpers for backward compatibility

Protocol Support

• RESP2: Standard array/numeric responses
• RESP3: Boolean returns for VSETATTR, Map returns for VSIM_WITHSCORES

Testing

• Added test files for all 14 commands
• Tests cover argument parsing, integration testing, and RESP2/RESP3 compatibility
• Tests run against Redis 8.0.2 Docker container