docs: add microtasks.md as source of truth, archive planning docs, add traceability gate#76

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infinityabundance merged 2 commits intomainfrom

copilot/update-documentation-and-tests

Mar 4, 2026

Commits on Mar 4, 2026

Initial plan
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Create docs/microtasks.md source of truth, archive planning docs, add validate_traceability.sh

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infinityabundance
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