feat(P1): Add align-prompt feature for better text-image relevance

api/schemas/editor.py

@@ -144,3 +144,12 @@ class ExportStatusResponse(BaseModel):
     error: Optional[str] = None
 
 
+class AlignPromptRequest(BaseModel):
+    """Request to align image prompt with narration"""
+    narration: Optional[str] = Field(None, description="Override narration text")
+
+
+class AlignPromptResponse(BaseModel):
+    """Response after aligning prompt"""
+    image_prompt: str
+    success: bool = True