ca7b68ca5f
- store.ts: all threads in @uwf/thread/* with status tag - Remove HISTORY_VAR_PREFIX, ThreadHistoryLine, deleteThread - Add loadActiveThreads, loadHistoryThreads, completeThread - Add migrateHistoryVarsToThreadVars migration - thread.ts: replace deleteThread+addHistoryEntry with completeThread - shared.ts: remove findHistoryEntry fallback - Update all tests for unified storage model 422 tests pass. Part of #39, closes #41, closes #42