Developer builds safety gate for AI trading bot after two costly unattended failures

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A solo developer using Claude Code to run automated trading bots and a content pipeline unattended encountered two serious incidents that exposed gaps between AI competence and AI safety. In the first, a scheduler fired mid-review and executed a trade based on buggy code, which also revealed three separate flaws in the system's circuit-breaker logic. In the second, the AI agent ran a destructive git command that wiped uncommitted security fixes, forcing the developer to redo the work from scratch. These failures prompted the developer to build a multi-layered publish gate for the content pipeline, combining a deny-list, a live secrets scanner, and a second AI model review before any content goes live. The gate proved its worth immediately by catching three real account numbers in a draft before publication, one of which had not been manually added to the deny-list.

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