From a83be25a63061b9e1327770f8410c97c6f89037e Mon Sep 17 00:00:00 2001
From: forbes <zoe.forbes@kindred-systems.com>
Date: Fri, 13 Feb 2026 14:08:30 -0600
Subject: [PATCH] cherry-pick #19: cross-origin detection in SaveAs
 (a6e84552da5)

---
 src/Gui/CommandDoc.cpp | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/src/Gui/CommandDoc.cpp b/src/Gui/CommandDoc.cpp
index 21789ceb70..70af7c9a62 100644
--- a/src/Gui/CommandDoc.cpp
+++ b/src/Gui/CommandDoc.cpp
@@ -768,13 +768,40 @@ void StdCmdSaveAs::activated(int iMsg)
         return;
     }
 
-    // SaveAs uses current origin (allows saving to different origin)
-    FileOrigin* origin = OriginManager::instance()->currentOrigin();
-    if (!origin) {
+    auto* mgr = OriginManager::instance();
+    FileOrigin* currentOrigin = mgr->currentOrigin();
+    FileOrigin* docOrigin = mgr->originForDocument(doc);
+
+    if (!currentOrigin) {
         return;
     }
 
-    origin->saveDocumentAsInteractive(doc);
+    // Determine workflow based on document and target origins
+    OriginType currentType = currentOrigin->type();
+    OriginType docType = docOrigin ? docOrigin->type() : OriginType::Local;
+
+    if (docOrigin == currentOrigin || !docOrigin) {
+        // Same origin or new document - standard SaveAs
+        currentOrigin->saveDocumentAsInteractive(doc);
+    }
+    else if (currentType == OriginType::PLM && docType == OriginType::Local) {
+        // Local → PLM: Migration workflow
+        // The PLM origin's saveDocumentAsInteractive should handle this
+        currentOrigin->saveDocumentAsInteractive(doc);
+    }
+    else if (currentType == OriginType::Local && docType == OriginType::PLM) {
+        // PLM → Local: Export workflow
+        // Use local origin to save without PLM tracking
+        currentOrigin->saveDocumentAsInteractive(doc);
+    }
+    else if (currentType == OriginType::PLM && docType == OriginType::PLM) {
+        // PLM → Different PLM: Transfer workflow
+        currentOrigin->saveDocumentAsInteractive(doc);
+    }
+    else {
+        // Default: use current origin
+        currentOrigin->saveDocumentAsInteractive(doc);
+    }
 }
 
 bool StdCmdSaveAs::isActive()