Hosts need invitations, guest preferences and planning tasks connected while keeping AI-written messages under their control. On a phone, the person also needs to capture information quickly, understand where an answer came from and return to the original material without navigating through a dense desktop interface.

• Keep event brief and seating canvas connected within a short mobile flow.
• Make brief synthesis correctable when the model misreads the input.
• Explain invitation drafting through visible references or user-selected preferences.
• Keep changes, sharing and data retention under explicit user control.

The design begins with a visual event board with a guest-list drawer, using large touch targets, short task sequences and contextual sheets. Turn host notes into a structured event draft. Propose seating arrangements that preserve host-locked placements. The companion views keep drafts, original material and accepted decisions distinct. A fuchsia, cream and deep green visual system gives this app its own character within the collection.

• Turn host notes into a structured event draft.
• Propose seating arrangements that preserve host-locked placements.
• Create editable message variants without sending them automatically.
• Summarize guest replies while preserving access to each original.