Ask agent, backfill tool, embedding upgrade, handler fixes master
- @ask.comind.network: real-time firehose mention detection, threaded replies (answer + sources as separate posts), minimax model with search tool - Backfill script: pulls historical records from agent PDS, embeds, indexes. 9,210 -> 16k+ records. Central, umbra, astral backfilled. - Embeddings: OpenAI text-embedding-3-small (1536d), replaced local MiniLM - Handler YAML fix: yamlEscape() prevents broken drafts from quotes/newlines - Publisher fix: strip duplicate escalate- prefix preventing ENAMETOOLONG - Worker: social.astral.catalog.agent added to watched collections - search_comind_index and list_indexed_agents tools for Letta agents 🐾 Generated with [Letta Code](https://letta.com) Co-Authored-By: Letta <noreply@letta.com>