Draft: Adds OpenSearch Embedding Search via Bedrock to suggest.py and adds OpenSearch service module#2646

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syqs wants to merge 1 commit intoResearchHub:mainfrom

syqs:feature/semantic-search

Commits on Oct 2, 2025

adds opensearch service and introduces pydantic schemas - includes lazy initialization for performance and graceful degradation - showcases using aws bedrock embedings and vector search via aws Ope…
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