[alan-teodoro]

Summary

Adds SDK support for Redis Agent Memory control-plane operations.

• registers an Agent Memory service on the Redis Cloud API client
• adds store create, list, get, update, and delete operations
• adds Agent Memory API key create, read, and delete operations
• adds request/response models for TTLs, extraction cadence, summarization, custom memory types, sensitive-data exclusions, and customer-managed LLM/embedding configuration
• adds PATCH support to the shared HTTP client for Agent Memory updates

Testing

• go test ./...

[CLAassistant]

All committers have signed the CLA.