fix: resolve BookProgressRead reference in BookRead

backend/src/chitai/schemas/book.py

@@ -38,6 +38,16 @@ class FileMetadataRead(BaseModel):
         return Path(self.path).name
 
 
+class BookProgressRead(BaseModel):
+    percentage: float
+    epub_cfi: str | None = None
+    epub_xpointer: str | None = None
+    pdf_page: int | None = None
+    completed: bool | None = False
+    device_type: str | None = None
+    device_id: str | None = None
+
+
 class BookRead(BaseModel):
     id: int
     library_id: int
@@ -170,11 +180,3 @@ class BookProgressCreate(BaseModel):
     device_id: str | None = None
 
 
-class BookProgressRead(BaseModel):
-    percentage: float
-    epub_cfi: str | None = None
-    epub_xpointer: str | None = None
-    pdf_page: int | None = None
-    completed: bool | None = False
-    device_type: str | None = None
-    device_id: str | None = None