马小龙 29c6746c13 fix: enforce unique governed dataflow names преди 4 седмици
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task-4-report.md 3862a77575 fix: keep task4 plans compiled only преди 4 седмици
task-5-report.md 93d1822e40 fix: harden artifact reconciliation races преди 4 седмици
task-6-report.md 318942b465 fix: expire legacy cleanup claims on upgrade преди 4 седмици
task-7-report.md 8e42704c77 test: exercise golden row comparison boundary преди 4 седмици
task-8-report.md 29c6746c13 fix: enforce unique governed dataflow names преди 4 седмици