Why: Keep authorized work focused on its stated outcome, prevent private scope expansion, and remove mechanical human stage gates.
Evidence: make test-governance passed 344 tests with 18 environment-dependent skips; receipt is recorded in the task card.
Impact: New tasks use goal-first execution while retaining real decision points, independent review, evidence, platform admission, and high-consequence dual keys.
Refs: .task/feature-goal-first-delivery.md
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