Summary

Implement type-aware inline cell editing and modal/popover inspectors for all common database data types.

Requirements & Scope

• Inline text editing on Enter / Double Click with automatic focus in TextField.
• Explicit NULL support: Ctrl+Alt+N / Cmd+Alt+N shortcut and italicized NULL chip (distinguishing from empty string "").
• JSON & Multiline Text Popover: Expandable modal/popover with syntax formatting (Prettify) and JSON validation.
• Date & Timestamp Popover: Interactive date & time picker supporting ISO8601 formatting.
• Boolean Toggle: Fast toggle control or compact dropdown (true, false, NULL).