feat(ai-studio): add prompt template storage

app/appconfig.py

@@ -253,6 +253,10 @@ def cover_prompts_dir(config=None) -> str:
     return data_path("prompts", "cover", config=config)
 
 
+def image_studio_prompts_dir(config=None) -> str:
+    return data_path("prompts", "image_studio", config=config)
+
+
 def diagnostic_log_dir(config=None) -> str:
     return data_path("logs", config=config)
 

app/prompts.py

@@ -10,6 +10,7 @@ from . import appconfig
 TITLE_PROMPT_PATH = appconfig.title_prompt_path()
 TITLE_TEMPLATES_DIR = appconfig.title_templates_dir()
 COVER_PROMPTS_DIR = appconfig.cover_prompts_dir()
+IMAGE_STUDIO_PROMPTS_DIR = appconfig.image_studio_prompts_dir()
 TEMPLATE_EXT = ".txt"
 INVALID_NAME_CHARS = set('\\/:*?"<>|')
 DEFAULT_PROMPTS_PACKAGE = "app.default_prompts"
@@ -151,6 +152,36 @@ def delete_title_template(name, directory=TITLE_TEMPLATES_DIR) -> None:
     delete_template(name, directory)
 
 
+def list_image_studio_templates(directory=IMAGE_STUDIO_PROMPTS_DIR):
+    """Return AI studio prompt template names sorted by display name."""
+
+    return list_templates(directory)
+
+
+def load_image_studio_template(name, directory=IMAGE_STUDIO_PROMPTS_DIR) -> str:
+    """Load one AI studio prompt template as raw text."""
+
+    return load_template(name, directory)
+
+
+def save_image_studio_template(name, text, directory=IMAGE_STUDIO_PROMPTS_DIR) -> None:
+    """Save one AI studio prompt template as raw UTF-8 text."""
+
+    save_template(name, text, directory)
+
+
+def rename_image_studio_template(old, new, directory=IMAGE_STUDIO_PROMPTS_DIR) -> None:
+    """Rename an AI studio prompt template with duplicate-name protection."""
+
+    rename_template(old, new, directory)
+
+
+def delete_image_studio_template(name, directory=IMAGE_STUDIO_PROMPTS_DIR) -> None:
+    """Delete one AI studio prompt template."""
+
+    delete_template(name, directory)
+
+
 def list_cover_templates(directory=COVER_PROMPTS_DIR):
     """Return cover template names sorted by display name."""