<objective Generate and update up to 9 documentation files for the current project. Each doc type is written by a gsd-doc-writer subagent that explores the codebase directly — no hallucinated paths, phantom endpoints, or stale signatures. Flag handling rule: - The optional flags documented below are available behaviors, not implied active behaviors - A flag is active only when its literal token appears in - If a documented flag is absent from , treat it as inactive - : skip preservation prompts, regenerate all docs regardless of existing content or GSD markers - : check existing docs for accu…