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Michael Suchacz
4c98decfb7
Relates to: https://github.com/coder/coder/issues/18101 This PR introduces a new `backedpipe` package that provides reliable bidirectional byte streams over unreliable network connections. The implementation includes: - `BackedPipe`: Orchestrates a reader and writer to provide transparent reconnection and data replay - `BackedReader`: Handles reading with automatic reconnection, blocking reads when disconnected - `BackedWriter`: Maintains a ring buffer of recent writes for replay during reconnection - `RingBuffer`: Efficient circular buffer implementation for storing data The package enables resilient connections by tracking sequence numbers and replaying missed data after reconnection. It handles connection failures gracefully, automatically reconnecting and resuming data transfer from the appropriate point.