dio-what-is-still-open-or-unresolved

From this conversation (and artifacts already in context), reply with only:

open

• question or item — context (one line)

blocked on user

• item — what input is needed

safe to defer

• item — why it can wait (one line)

Rules:

• One line per bullet.
• Omit empty sections.
• Do not invent open items that were not discussed.