feat(context): Implement ContextPreset and FileViewPreset infrastructure

src/gui_2.py

@@ -436,10 +436,15 @@ class App:
   sys.stderr.flush()
   if 'context_presets' not in self.controller.project:
    self.controller.project['context_presets'] = {}
-  self.controller.project['context_presets'][name] = {
-   'files': [f.to_dict() if hasattr(f, 'to_dict') else {'path': str(f)} for f in self.files],
-   'screenshots': list(self.screenshots)
-  }
+  
+  preset_files = []
+  for f in self.context_files:
+   path = f.path if hasattr(f, 'path') else str(f)
+   view_mode = f.view_mode if hasattr(f, 'view_mode') else 'summary'
+   preset_files.append(models.FileViewPreset(path=path, view_mode=view_mode))
+  
+  preset = models.ContextPreset(name=name, files=preset_files, screenshots=list(self.screenshots))
+  self.controller.project['context_presets'][name] = preset.to_dict()
   self.controller._save_active_project()
   sys.stderr.write(f"[DEBUG] save_context_preset finished. Project keys: {list(self.controller.project.keys())}\n")
   sys.stderr.flush()
@@ -450,9 +455,10 @@ class App:
   """
   presets = self.controller.project.get('context_presets', {})
   if name in presets:
-   preset = presets[name]
-   self.files = [models.FileItem.from_dict(f) if isinstance(f, dict) else models.FileItem(path=str(f)) for f in preset.get('files', [])]
-   self.screenshots = list(preset.get('screenshots', []))
+   preset_data = presets[name]
+   preset = models.ContextPreset.from_dict(name, preset_data)
+   self.context_files = [models.FileItem(path=f.path, view_mode=f.view_mode) for f in preset.files]
+   self.screenshots = list(preset.screenshots)
 
  def delete_context_preset(self, name: str) -> None:
   """