Add contact-changes endpoints for customer email/phone updates - #853

Draft

carsonp6 wants to merge 8 commits into

sp3579-wallet-operation-processingfrom

contact-changes-endpoints

Commits on Aug 21, 2026

feat: add contact-changes endpoints for customer email and phone updates

carsonp6
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claude
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eb7d3ef
docs: document the contact-change flow in the authentication guide

carsonp6
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claude
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98097ec
feat: make contact-changes the only door for contact updates

carsonp6
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a775427
docs(spec): say what submit does for a change that arrived APPLIED

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claude
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9100d02
feat: record a failed instant-apply as a FAILED contact change

carsonp6
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2a92c73
fix(spec): make failureReason a code, and block the credential-add race

carsonp6
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claude
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65ff199
fix(spec): pin the credential-operation interlock to submitted operations

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40b1f0e
feat(spec): return 202 when a contact change needs a signature

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claude
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788877d