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PMA.SyncClient now speaks two transports, told apart by the URL: /api/v1/repos/ means the Gitea contents API, anything else the old PHP endpoint. The PHP path stays until the Windows side publishes to the repo too - without it the migration would need both ends flipped at once, with no way back. Three things differ on the Gitea side and nothing else: the header is "token <PAT>" not "Bearer" (swapping them gives a silent 401), the body is JSON carrying base64 content, and the fingerprint comparison happens in the client since the API has no If-None-Match. The body is re-downloaded, which is cheap; the four-second key derivation is still avoided. The result's ETag field carries the sha, so the caller cannot tell which transport answered. usesCleartextTraffic is replaced by a network config that permits cleartext to 127.0.0.1 and localhost BY NAME and forbids it everywhere else. The attribute drew no such line: a mistyped URL sent the bearer token over the network in the clear with nothing to signal it. Now it fails immediately, which is the behaviour worth having. Verified in the built APK: res/xml/network_security_config.xml is present and the manifest attribute resolves to a real resource id. NOT verified against a real repo - that needs a private repo, a published vault-sync.json and a token, none of which exist yet. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>