0.16

Added

• Four source-backed agent workflow skills:
  • gpt-6-astra-migration for moving OpenAI integrations to GPT-6 Astra.
  • async-tool-calling-design for long-running asynchronous tool workflows.
  • mid-turn-steering-workflow for incorporating user steering during long agent tasks.
  • template-bound-artifact-creation for producing documents, decks, spreadsheets, and structured deliverables from existing templates.