Posts tagged #postmortem

17 posts tagged 'postmortem'.

• How a Hardcoded sys.path Silently Broke Git Worktree Isolation
• A Manual Run Misclassified as a Scheduled Run - systemd Activation Metadata Outlived My Assumptions
• How Error-Recovery Guidance Caused a Double-Execution Bug
• An Order-Dependent Test Failure - Traced to a Monkeypatch Nobody Restored
• The Market-Cap Column Came Back All NaN - Why No Error Fired
• The Dropped Temperature Parameter - Why the A/B Test Was Invalid From the Start
• I Added a Second Broker API, and Every Incident Since Has Come From It
• When a Test Cleanup Step Killed a Production Process
• Why a Resident Process Could Never Recognize a Newly Registered Condition
• A Test's Missing Mock Corrupted a Production Database
• The except Clause That Failed Silently - A New Module That Did Nothing for 8 Days
• 3 Cases Where Fully Automated Trading Still Needed a Human
• 3 Reasons Automated Trading Verification Tools Miss Errors
• Why the Devlog Automation Sat Broken for Nearly a Month
• A Trading Safety Guard Misfired - The Time Scale of the Threshold Was Wrong
• Comparing GPU Performance After a Hardware Swap - Why the Verdict Flipped Twice
• Building a Numeric Verifier for AI Report Output