A pre-mortem identifies failure modes before they occur. Possible failures: 1) No engagement on any channel (null result — informative but disappointing), 2) Engagement occurs but cascade response is too slow or uncoordinated (coordination failure), 3) Engagement occurs but response quality is poor (quality failure), 4) Technical failure prevents monitoring (Substack API down, incognito issues), 5) New privacy or content-quality issue emerges during window distracting from monitoring. Identifying these in advance allows the cascade to prepare mitigations for each scenario.