Add files via upload

feat: Save enhanced insights version, revert to fast agent

docs: Update diagram labels - OpenAI SDK/MCP swap, Image Vectors

docs: Update architecture diagram with requested changes

docs: Move README.md and ARCHITECTURE.md to repo root

chore: Update diagram files

docs: Reorganize - Overview first, create README with both sections

docs: Add comprehensive overview section with visual and vision

docs: Fix diagram - MCP Client→OpenAI SDK, OpenAI SDK→MCP

docs: Update diagram labels - MCP Client, OpenAI SDK, Model Serving

docs: Swap MCP Client → OpenAI SDK, OpenAI SDK → MCP

docs: Update diagram - REST API / OpenAI SDK on arrow (no box)

docs: Fix architecture diagram - REST API / MCP in box

docs: Update architecture diagram - MCP in API box

docs: Add architecture diagram and rename Vector Search to Image Vector Embeddings