Save notes to persistent notepad

Save notes to notepad for context persistence

Best for persisting critical context across conversation compactions when notepad.md survives token resets.

• · note text (string)
• · optional: tag (string)

• · confirmed save to notepad.md (text)

• · Codex CLI

• · .omx/notepad.md exists or can be created

• · Notepad locked or inaccessible
• · Disk full

• · Codex CLI official notepad pattern
• · Context persistence guaranteed