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Krzysztof kuhy Rudnicki
dd6e6d5571
Everything an app needs to move from GitHub to Firebase without each one reinventing the wiring. Python: - _config.py: FirebaseConfig.load() + firebase_client_for(app) + mirror_client_for(app, github). One config file, read in one place. Credential caches stay per-app (~/.config/<app>/firebase_auth.json) -- one file written by several processes is a corruption waiting to happen. - tool/preflight_firebase.py: validates the config before any data moves. Catches a wrong-region databaseUrl (which answers 404 with a correctUrl body rather than an error, so it would otherwise pass every check and break mid-migration) and confirms the uid in the ID token matches the uid the rules pin -- sign_in() returns None and discards localId, so the uid is decoded from the JWT. - tool/interop_seed.py: the missing Python half of the cross-language check. interop_check.dart asserts it can see a record written by Python, but nothing ever wrote one, so it could only ever fail. Dart: - firebase_config.dart: the same config shape, kept free of dart:io so it works on web and Android, where the file does not exist at all and credentials belong in flutter_secure_storage. - PersistedSyncStateStore: the revision cache, persisted. Without it a phone forgets every peer revision on each cold start and re-downloads everything -- the exact traffic the revision scheme exists to avoid, and what the free-tier headroom depends on. Verified live against the real database: preflight passes all five checks, the Dart smoke test passes end to end, and Python <-> Dart interop is OK. Python 226 tests at 100% branch coverage; Dart 218 tests, both new files at 100% line coverage. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SJ9sxEw3ymzXNjL7SHNpJc |
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| crdt_sync.dart | ||