Backend Integration

Use this skill for the full backend-integration workflow. This skill is intentionally self-contained.

Core Rules

Follow this skill from top to bottom.
Treat this as the canonical workflow for Wire backend integration.
Do not improvise a new backend stack.
Do not rely on unrelated skills for backend architecture, testing strategy, or migration planning unless higher-priority instructions explicitly require that.
The one explicitly allowed companion skill for this workflow is playwright-interactive-sandbox, and only for baseline/final interactive QA passes.
Keep existing product behavior working while changing the persistence and transport layer underneath it.
Preserve the current implemented app behavior and scope. Do not add new product features, new domain workflows, or speculative capabilities.
Do not do anything less than the current app already does.
Do not do anything more than the current app already does, unless higher-priority instructions explicitly require it.
Re-read this skill and the current plan.md on every compaction before continuing.