feat: 添加日志记录功能，输出至 app.log 文件

novel_generator/blueprint.py

@@ -10,7 +10,13 @@ from novel_generator.common import invoke_with_cleaning
 from llm_adapters import create_llm_adapter
 from prompt_definitions import chapter_blueprint_prompt, chunked_chapter_blueprint_prompt
 from utils import read_file, clear_file_content, save_string_to_txt
-
+logging.basicConfig(
+    filename='app.log',      # 日志文件名
+    filemode='a',            # 追加模式（'w' 会覆盖）
+    level=logging.INFO,      # 记录 INFO 及以上级别的日志
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S'
+)
 def compute_chunk_size(number_of_chapters: int, max_tokens: int) -> int:
     """
     基于“每章约100 tokens”的粗略估算，
@@ -18,7 +24,7 @@ def compute_chunk_size(number_of_chapters: int, max_tokens: int) -> int:
       chunk_size = (floor(max_tokens/100/10)*10) - 10
     并确保 chunk_size 不会小于1或大于实际章节数。
     """
-    tokens_per_chapter = 100.0
+    tokens_per_chapter = 200.0
     ratio = max_tokens / tokens_per_chapter
     ratio_rounded_to_10 = int(ratio // 10) * 10
     chunk_size = ratio_rounded_to_10 - 10