Individual skill

decision-journal

Record decisions the way good judgment compounds — the reasoning, the alternatives, the probabilities, and what would change your mind, written down BEFORE the outcome arrives, then reviewed against reality. Use when asked help me think through this decision, start a decision journal, review my past decision, or why do I keep making the same mistake. Produces the pre-registered decision entry, the review-date trigger, and the outcome review that separates bad luck from bad process.

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# Decision Journal Skill

Memory is a defense attorney: after the outcome arrives, everyone remembers having known it all along, and the reasoning that actually drove the choice is quietly rewritten. A decision journal defeats that — the reasoning gets pre-registered *before* reality votes, so the review can ask the only question that improves judgment: *was the process good, given what was knowable then?* Good decisions lose sometimes; bad ones win sometimes; only the written record can tell you which you're making. This is the library's 600th skill because it's the one all the others compound through.

## What This Skill Produces

- **The entry** — situation, the real options, the choice, the reasoning, explicit probabilities, and the pre-registered "I'm wrong if…" markers
- **The review trigger** — a date and the observable that will have resolved by then
- **The outcome review** — process vs. luck separated, the delta between expected and actual, and the transferable lesson
- **The pattern read** — across entries: the recurring biases this specific person's journal reveals

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