Why: Task 10 must start from the Backend line that combines current main with trusted project context, audit, work observation and human decision behavior. Evidence: Backend d9d8f016 passes focused extension/app, full vet/test/build and static binary checks; its parent merge 92f9286 also passed isolated PostgreSQL migration-history tests. Impact: Advances only the Backend gitlink before the shared renderer path is implemented. Refs: Unified document renderer Task 10 preparation
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@ c9187473fb