fix(gui): properly handle AST Inspector popup state

- Add _show_ast_inspector flag to track when popup should open
- Use same pattern as other modals (_show_* flag + open_popup)
- Restructure if/else to properly handle end_popup paths
- This fixes the Inspect button not opening the modal

config.toml

@@ -56,7 +56,7 @@ Theme = true
 Diagnostics = false
 "External Tools" = false
 "Shader Editor" = false
-"Undo/Redo History" = true
+"Undo/Redo History" = false
 
 [theme]
 palette = "Nord Dark"

manualslop_layout.ini

@@ -75,7 +75,7 @@ DockId=0xAFC85805,2
 
 [Window][Theme]
 Pos=0,28
-Size=1109,1750
+Size=1412,1729
 Collapsed=0
 DockId=0x00000005,3
 
@@ -102,26 +102,26 @@ Collapsed=0
 DockId=0x0000000D,0
 
 [Window][Discussion Hub]
-Pos=1111,28
-Size=1154,1750
+Pos=1414,28
+Size=1154,1729
 Collapsed=0
 DockId=0x00000006,0
 
 [Window][Operations Hub]
 Pos=0,28
-Size=1109,1750
+Size=1412,1729
 Collapsed=0
 DockId=0x00000005,2
 
 [Window][Files & Media]
-Pos=1111,28
-Size=1154,1750
+Pos=1414,28
+Size=1154,1729
 Collapsed=0
 DockId=0x00000006,1
 
 [Window][AI Settings]
 Pos=0,28
-Size=1109,1750
+Size=1412,1729
 Collapsed=0
 DockId=0x00000005,0
 
@@ -407,7 +407,7 @@ DockId=0x00000006,1
 
 [Window][Project Settings]
 Pos=0,28
-Size=1109,1750
+Size=1412,1729
 Collapsed=0
 DockId=0x00000005,1
 
@@ -591,11 +591,11 @@ Column 4  Width=70
 DockNode          ID=0x00000008 Pos=3125,170 Size=593,1157 Split=Y
   DockNode        ID=0x00000009 Parent=0x00000008 SizeRef=1029,147 Selected=0x0469CA7A
   DockNode        ID=0x0000000A Parent=0x00000008 SizeRef=1029,145 Selected=0xDF822E02
-DockSpace         ID=0xAFC85805 Window=0x079D3A04 Pos=0,28 Size=2727,1750 Split=X
+DockSpace         ID=0xAFC85805 Window=0x079D3A04 Pos=0,28 Size=2568,1729 Split=X
   DockNode        ID=0x00000003 Parent=0xAFC85805 SizeRef=2254,1183 Split=X
     DockNode      ID=0x0000000B Parent=0x00000003 SizeRef=404,1186 Split=X Selected=0xF4139CA2
       DockNode    ID=0x00000007 Parent=0x0000000B SizeRef=1512,858 Split=X Selected=0x8CA2375C
-        DockNode  ID=0x00000005 Parent=0x00000007 SizeRef=1109,1681 CentralNode=1 Selected=0x7BD57D6A
+        DockNode  ID=0x00000005 Parent=0x00000007 SizeRef=1109,1681 CentralNode=1 Selected=0x418C7449
         DockNode  ID=0x00000006 Parent=0x00000007 SizeRef=1154,1681 Selected=0x6F2B5B04
       DockNode    ID=0x0000000E Parent=0x0000000B SizeRef=1777,858 Selected=0x1D56B311
     DockNode      ID=0x0000000D Parent=0x00000003 SizeRef=435,1186 Selected=0x363E93D6

src/gui_2.py

@@ -240,6 +240,7 @@ class App:
   self.ui_new_context_preset_name = ""
   self._focus_md_cache: dict[str, str] = {}
   self.ui_inspecting_ast_file = None
+  self._show_ast_inspector = False
   self._cached_ast_nodes = []
   self._cached_ast_file_path = ''
   self.ui_editing_slices_file = None
@@ -1663,11 +1664,16 @@ class App:
    imgui.end_popup()
 
  def _render_ast_inspector_modal(self) -> None:
+  if self._show_ast_inspector:
+   imgui.open_popup('AST Inspector')
+   self._show_ast_inspector = False
   expanded, opened = imgui.begin_popup_modal('AST Inspector', True, imgui.WindowFlags_.always_auto_resize)
-  if expanded:
+  if not opened:
+   return
   if self.ui_inspecting_ast_file is None:
    imgui.close_current_popup()
-   else:
+   imgui.end_popup()
+   return
   f_item = self.ui_inspecting_ast_file
   f_path = f_item.path if hasattr(f_item, "path") else str(f_item)
   
@@ -2902,6 +2908,7 @@ class App:
       imgui.same_line()
       if imgui.button(f"[Inspect]##{i}"):
        self.ui_inspecting_ast_file = f_item
+       self._show_ast_inspector = True
      
      imgui.same_line()
      if imgui.button(f"[Slices]##{i}"):