Architecting a Two-Stage Semantic Search Pipeline with HNSW, LATERAL JOIN, and Cubic Scoring

AI agents are becoming a new interface for finding people. Instead of opening a marketplace, typing keywords, filtering profiles, and manually deciding who is worth contacting, a user can now say something like: Help me find a few SaaS founders who might need my backend architecture services. or: Find remote Rust freelancers who have experience with early-stage infrastructure products. In Opportunity Skill, the user's AI agent turns that request into a semantic search query, calls the Q...