From 7ab7f02db2ee2555dff4656220809ecdda8151e0 Mon Sep 17 00:00:00 2001
From: Ryan Schultz <ryan@openingdesign.com>
Date: Sun, 15 Mar 2026 11:34:41 -0500
Subject: [PATCH] Add IsManualDrawingReference to EPset_Annotation

Introduces a boolean pset property that marks an ELEVATION or
SECTION annotation as manually placed, exempting it from
automatic deletion or regeneration during drawing sync.

Generated with the assistance of an AI coding tool.
---
 src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc | 3 ++-
 src/bonsai/bonsai/tool/drawing.py                         | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc b/src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc
index 451c890536..d1fedddef8 100644
--- a/src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc
+++ b/src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc
@@ -5,7 +5,7 @@ FILE_NAME('Psets_BBIM_Annotation.ifc','2020-01-01T00:00:00',$,$,'Psets_BBIM_Anno
 FILE_SCHEMA(('IFC4'));
 ENDSEC;
 DATA;
-#1=IFCPROPERTYSETTEMPLATE('3VuPUwdCD2Qx3XDDRs0R1N',$,'EPset_Annotation','',.PSET_TYPEDRIVENOVERRIDE.,'IfcAnnotation,IfcTypeProduct',(#4,#33,#29,#32,#3,#2));
+#1=IFCPROPERTYSETTEMPLATE('3VuPUwdCD2Qx3XDDRs0R1N',$,'EPset_Annotation','',.PSET_TYPEDRIVENOVERRIDE.,'IfcAnnotation,IfcTypeProduct',(#4,#33,#29,#32,#3,#2,#34));
 #2=IFCSIMPLEPROPERTYTEMPLATE('2P7JN79n96Q9pElZ83LKe4',$,'ZIndex','',.P_SINGLEVALUE.,'IfcInteger',$,$,$,$,$,.READWRITE.);
 #3=IFCSIMPLEPROPERTYTEMPLATE('1Wpx_r2xj1_9w5JpI0QRJy',$,'Symbol','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #4=IFCSIMPLEPROPERTYTEMPLATE('3q0oxMUKP47vZ4jnyG$dDb',$,'Classes','Classes separated by spaces that end up in classes for this element in svg. Can be used to specify the text font size: small - 1.8mm; regular - 2.5mm; large - 3.5mm; header - 5mm; title - 7mm. By default regular size is used.',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
@@ -38,5 +38,6 @@ DATA;
 #31=IFCPROPERTYENUMERATION('CustomUnit',(IFCTEXT('Feet and Inches - Fractional'),IFCTEXT('Feet - Decimal'),IFCTEXT('Inches - Fractional'),IFCTEXT('Inches - Decimal'),IFCTEXT('Meters'),IFCTEXT('Decimeters'),IFCTEXT('Centimeters'),IFCTEXT('Millimeters')),$);
 #32=IFCSIMPLEPROPERTYTEMPLATE('0gjJzDYBX8P85qn1xcAOOo',$,'Reverse_List','',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
 #33=IFCSIMPLEPROPERTYTEMPLATE('22TrcxF8jFNB4buSmzjGEF',$,'List_Separator','',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
+#34=IFCSIMPLEPROPERTYTEMPLATE('0FauxIsAnnotFaux0001aB',$,'IsManualDrawingReference','Marks this annotation as a manually placed drawing reference, exempt from automatic drawing regeneration.',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
 ENDSEC;
 END-ISO-10303-21;
diff --git a/src/bonsai/bonsai/tool/drawing.py b/src/bonsai/bonsai/tool/drawing.py
index a78fd67ed2..1f0aa43c85 100644
--- a/src/bonsai/bonsai/tool/drawing.py
+++ b/src/bonsai/bonsai/tool/drawing.py
@@ -1532,7 +1532,11 @@ class Drawing(bonsai.core.tool.Drawing):
 
     @classmethod
     def is_auto_annotation(cls, element: ifcopenshell.entity_instance):
-        return element.is_a("IfcAnnotation") and element.ObjectType in ("GRID", "SECTION", "ELEVATION", "SECTION_LEVEL")
+        if not (element.is_a("IfcAnnotation") and element.ObjectType in ("GRID", "SECTION", "ELEVATION", "SECTION_LEVEL")):
+            return False
+        if ifcopenshell.util.element.get_pset(element, "EPset_Annotation", "IsManualDrawingReference"):
+            return False
+        return True
 
     @classmethod
     def get_drawing_reference_annotation(