My first app cannot be uploaded: every IPA is rejected with ITMS-90035 "Invalid Signature". Setup: individual account, Team ID V7F74UFRBN, Xcode 27.0, macOS 26.6.2, Cloud Managed Apple Distribution certificate. My team name contains the Turkish letter "İ" (TELLİ). The certificate common name stores it as NFC (C4 B0), but the designated requirement written at signing time stores it as NFD (49 CC 87): certificate leaf[subject.CN] = 0x...54454c4c49cc87... so "codesign --verify --deep --strict" reports "does not satisfy its designated Requirement" for the app and every embedded framework. This looks like FB24633162 / thread 843700. I asked Developer Support to change my team name to the ASCII form "Mehmet Kaan TELLI" (case 103017162953) but have had no reply after several days, and the phone option shows as unavailable. Questions: Can DTS help escalate the team name change? Until then, is there a supported way to sign so the upload passes?