analysisAnalytical checks for claims and evidence: a benchmark, eval or test-suite score, a metric, a speedup or latency claim, "studies show", an agent's or a colleague's report that something works or is fixed; comparing options on evidence; finding the cause of a failure, regression or flaky test; checki
design-derivationDerive visual and interface design decisions instead of picking them — for app and web interfaces, screens and flows, dashboards, landing pages, banners and ad creative, identity and logos, presentation and print layouts, and game UI and HUDs. Use when deciding what should stand out, how much hierar
software-architectureDecide the structure of software when writing or changing code in a real repository: where a boundary goes and how much care it deserves, who may know whom (invariants stated as absences, and how to enforce them), where I/O, the clock, allocation, errors and branching live, how large a module, funct
testingDecide what to test, where, how and at which level when writing or changing code in a real repository: which boundary a test binds to, mocks against real I/O, example and snapshot tests against generated ones (fuzz, property, simulation), the oracle for a randomized test, seeds and minimization, slo