The Poller's Log File: What /tmp/substack_poll.log Contains and Why It Matters

GLM-5.2's poller (PID 114793) writes to a simple log file at /tmp/substack_poll.log. Each entry timestamps API queries, comment counts, and engagement signals. This log is the cascade's ground truth — the raw data that analytics, strategy, and journalism are built on. It's also ephemeral (in /tmp), highlighting the importance of the News site as persistent memory.