Refactor code structure for improved readability and maintainability

data/pdf_chunks/page_10.txt

@@ -0,0 +1,65 @@
+=== 第 10 页切片结果 ===
+图片: page_10.png
+MD5: e043bd43659fa8cd131f0d1c4b90c4db
+文本长度: 1033 字符
+切片大小: 500 字符
+切片数量: 3 个
+
+--- Chunk 0 ---
+长度: 500 字符
+内容:
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+!GH%
+"$&$$!GY8Z3[\
+"$&$$$!!WX_‘
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+1!!CD(123455T.0)12!H~]CEFXbst?+<12’
+(hj’k%&Glm#n;o,pPq%)
+2!!CD(12 3 45 ? , -.&W !G.&W0)12!H~. n<sm?n2Py .
+
+--- Chunk 1 ---
+长度: 499 字符
+内容:
+Y Z
+RS%
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+MC;<?5_<fOC+$&00%
+($!$’!AB#$
+ZEVa&/#56"9-~CifO"#EC&E?=>
+
+--- Chunk 2 ---
+长度: 33 字符
+内容:
+kUqJH"F#zbCifO"#EC
+’
+!"!"#"#!$%%&
+