v2026.08.09.4

What's Changed

Internal

• Fix IDOR: seller-only dispute-evidence access, not the buyer-visible external_id by @gumclaw in #7128
• Preserve exact PayPal processor fees by @gumclaw in #7131
• Retry once on RecordNotUnique in audience_members upsert (race fix) by @gumclaw in #7138
• Cap the "payout in processing" safeguard age (gp#1918) by @gumclaw in #7140
• Proactively surface missing payout method before publish by @gumclaw in #7146

Full Changelog: v2026.08.09.3...v2026.08.09.4