feat(ios): device client-cert mTLS — ClientTLS package, transport wiring, install UX (C-iOS)
- ios/Packages/ClientTLS: SecIdentity wrapper, PKCS12 importer (typed errors), keychain store
(AfterFirstUnlockThisDeviceOnly), pure MutualTLSChallengeResponder truth table, cross-platform
X.509 DER summary. 14/14 tests.
- Both transports (SessionCore URLSessionTermTransport, App URLSessionHTTPTransport) + SessionThumbnail
take a lazy @Sendable ()->ClientIdentity? provider: WS resolves per-connect, HTTP per client-cert
challenge, so a freshly-imported cert applies without an app relaunch. AppEnvironment injects
{ store.loadedIdentityOrNil() }.
- ClientCertScreen (.fileImporter([.pkcs12]) + passphrase -> import -> keychain), reachable via a
设备证书 entry in SessionListScreen.hostMenu. PairingViewModel gates tunnel-host probes on cert
presence and re-maps mTLS-reject to a clientCertRejected message.
Verified: ClientTLS 14/14, SessionCore 93/93, xcodegen + xcodebuild BUILD SUCCEEDED.