feat: decrypt secretEncryptedMessage edit envelopes#79
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Resolves the original via getMessage (with a "secret" reason hint for minimal returns), derives the AES-GCM key from messageSecret with JIDs normalised before HKDF, and unwraps the decoded protocolMessage in place. Supports MESSAGE_EDIT and EVENT_EDIT.
canove
approved these changes
May 23, 2026
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Resolves the original via getMessage (with a "secret" reason hint for minimal returns), derives the AES-GCM key from messageSecret with JIDs normalised before HKDF, and unwraps the decoded protocolMessage in place. Supports MESSAGE_EDIT and EVENT_EDIT.