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Creator ruling 2026-09-27. Criteria, verbatim: "zero headaches, minimal maintenance (for me) while still providing accountability and a reasonably easy upgrade flow." Route A is the only combination where all four are solved by handing the work to Microsoft rather than to a certificate vendor: $0/yr, no certificate, no HSM, no annual renewal, no SmartScreen ramp — plus Store auto-update, Store-side payments/entitlements/refunds/support, and Microsoft review as the accountability layer. The rejected options and their reasons stay in research-store-certification.md §3 so a later session reads the ruling instead of re-deriving it. What this deletes: - The entire licensing backend. PolarLicenseService, PolarLicense, MainViewModel.License.cs (PremiumUrl, customer portal, the OfflineGracePeriod = 14 days subscription-era artifact, renewal/lapse copy) and the wrong "Polar unlocks alerts" string all become dead code. IsPremium is derived from the Store entitlement instead of an HTTP call, which also removes the whole "network flaky -> app thinks I'm expired" bug class. - Velopack, the update URL, and the self-hosted droplet — the Store updates. - Distribution.md's premise: Polar as the distribution backbone, Polar file hosting, and code signing as our problem. The IP-protection sections (1, 5, 6, 7) still stand and the build-posture ceiling is unchanged. What does NOT change: the entitlement. Free gets everything; the branding flash stays the only paid delta. Store IAP changes how IsPremium is obtained, never what it gates. Still open, deliberately: the price. The Store revenue share is unverified (do not assume a percentage), and MONETIZATION.md's $29 -> $49 one-time decision is re-opened against a fresh instinct toward ~$99/yr. No price encoded yet. The first code unit is unchanged: bundle ffmpeg (TASK 48 item 1). That clears the one hard certification gate and fixes a real user-facing 404. MARCOM.md and MONETIZATION.md were edited too but are gitignored by design, so those changes stayed local.