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fusion_accounting/fusion_accounting_migration/README.md

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+# Fusion Accounting Migration
+
+Transitional helper for moving clients from Odoo Enterprise to Community + Fusion.
+
+## When to use
+
+Install this module ONCE per client during the Enterprise->Fusion switchover.
+After the switchover is complete and the client is comfortable on Community,
+this module can be uninstalled.
+
+## How it works
+
+1. Install fusion_accounting (the meta-module) — pulls in this module
+2. Open Fusion Accounting -> Migrate from Enterprise (top-level menu)
+3. Wizard shows which Enterprise modules are detected and what migrations are available
+4. Run migration; wizard reports counts and warnings
+5. Uninstall Enterprise modules in dep-safe order (the safety guard prevents premature uninstall)
+
+## Override the safety guard
+
+If you need to uninstall an Enterprise module WITHOUT migrating (data will be lost),
+set `fusion_accounting.migration.<module>.completed` to True in System Parameters.