feat: implement Actions Gallery with character integration and triple LoRA chaining

- Added Actions gallery with CRUD and JSON sync
- Implemented Triple LoRA workflow (Character -> Outfit -> Action)
- Added character-integrated previews for Actions with style matching
- Implemented granular prompt selection and default persistence for Actions
- Added detailed development guide for extending gallery features

models.py

@@ -47,6 +47,19 @@ class Outfit(db.Model):
     def __repr__(self):
         return f'<Outfit {self.outfit_id}>'
 
+class Action(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    action_id = db.Column(db.String(100), unique=True, nullable=False)
+    slug = db.Column(db.String(100), unique=True, nullable=False)
+    filename = db.Column(db.String(255), nullable=True)
+    name = db.Column(db.String(100), nullable=False)
+    data = db.Column(db.JSON, nullable=False)
+    default_fields = db.Column(db.JSON, nullable=True)
+    image_path = db.Column(db.String(255), nullable=True)
+
+    def __repr__(self):
+        return f'<Action {self.action_id}>'
+
 class Settings(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     openrouter_api_key = db.Column(db.String(255), nullable=True)