docs(plan): PER_EXCHANGE exactly-once — implementation plan (21 tasks, 6 phases)

Plan for executing the tightened spec. TDD per task: RED test first,
minimal GREEN impl, commit. Phases 1-2 land the cursor + atomic batch
commit; phase 3 validates config; phase 4 fixes the UI mode-toggle
leakage + empty-targets guard + render-preview pane; phases 5-6 close
with full-lifecycle IT and regression sweep.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
hsiegeln
2026-04-22 15:39:31 +02:00
parent 2f9b9c9b0f
commit 031fe725b5

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