improvement: new image interface modeled after VLM interface

agent_core/__init__.py

@@ -31,6 +31,7 @@
 )
 from agent_core.core.embedding_interface import EmbeddingInterface
 from agent_core.core.vlm_interface import VLMInterface
+from agent_core.core.image_gen_interface import ImageGenInterface
 from agent_core.core.database_interface import DatabaseInterface
 from agent_core.core.trigger import Trigger
 from agent_core.core.task import Task, TodoItem, TodoStatus
@@ -272,6 +273,7 @@
     # Interfaces
     "EmbeddingInterface",
     "VLMInterface",
+    "ImageGenInterface",
     "DatabaseInterface",
     "GeminiClient",
     "GeminiAPIError",

agent_core/core/image_gen_interface.py

@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+"""
+Image generation interface.
+
+Re-exports ImageGenInterface from the impl module for backward compatibility.
+Use the runtime-specific wrapper (app/image_gen_interface.py) when running
+inside CraftBot — it injects the appropriate state and usage hooks.
+"""
+
+from agent_core.core.impl.image_gen import ImageGenInterface
+
+__all__ = ["ImageGenInterface"]

agent_core/core/impl/image_gen/__init__.py

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+"""Image generation interface package."""
+
+from agent_core.core.impl.image_gen.interface import ImageGenInterface
+
+__all__ = ["ImageGenInterface"]