Implement enhanced vector search with similarity filtering, improved segmentation, and hybrid ranking#164

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copilot/fix-25a8424d-a90f-47e0-85fd-bd5d3fee13c3ModerRAS/TelegramSearchBot:copilot/fix-25a8424d-a90f-47e0-85fd-bd5d3fee13c3Copy head branch name to clipboard