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