Show me your work Keep one canonical log. The format A single TSV file, one row per decision. Cells stay single-line. Evidence is a pointer, not prose. Copy (the header row) to start a clean log. Columns: - ts. ISO8601 timestamp. - phase. The phase or workstream. - decision. What was chosen or done, one line. - why. The reason in plain words. If a principle drove it, say it plainly, not as a jargon tag. - evidence. A link or path that proves it: commit SHA, PR number, , or an artifact, trace, or screenshot path. Never a paragraph. - result. The outcome or predicate state: , , , , . An example…