Enterprise technical documentation best practices, patterns, and frameworks for developer and partner adoption. Covers content architecture (Diataxis four quadrants), 14 content types (tutorials, how-to guides, API reference, SDK docs, migration guides, changelogs, runbooks, integration guides, troubleshooting, architecture docs), pluggable writing styles (Diataxis, Google, Microsoft, Stripe, Canonical, Minimal), information architecture, docs-as-code workflows, documentation audit, anti-patterns checklist, and developer experience (DX) strategy. 27 rules, 5 references, 6 style guides. Baseline: Diataxis + Google OpenDocs + Good Docs Project. Triggers on: "write docs", "document this", "API docs", "developer docs", "migration guide", "changelog", "tutorial", "how-to guide", "reference docs", "documentation strategy", "docs audit", "information architecture", "developer experience", "partner docs", "SDK documentation", "runbook", "troubleshooting guide", "integration guide", "quickstart", "getting started", "t