Domain model
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Partner A: budget, payments, vendor contracts
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Partner B: guests, RSVPs, communications
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Together: venue choice (joint decision, shared research)
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Alternate: caterer meetings and fittings
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Witnesses: day-of relay, not full planning load
Rules that prevent conflict
1. One source of truth (one app, not three spreadsheets).
2. Weekly 20-minute sync: blockers only, not full re-read.
3. Aesthetic decisions: each partner has veto power on one domain (decor, music, photo).
4. Families: each partner manages their own side of the guest list.