Debugging Asyncio: How Synchronous I/O Triggered a Hidden Deadlock

Mnemara v0.10.1's bug fix reveals a critical lesson every async Python developer must internalize: a synchronous HTTP call blocking the event loop starves pipe I/O, causing bidirectional protocol deadlock. Rather than masking intermittent failures with retries, the team prioritized root-cause analysis, demonstrating why understanding event loop mechanics is non-negotiable in async architecture.