Add lxml dependency to pyproject.toml and uv.lock

pyproject.toml

@@ -19,6 +19,7 @@ dependencies = [
     "gradio>=5.31.0",
     "itsdangerous>=2.2.0",
     "langchain-community>=0.3.25",
+    "lxml>=5.4.0",
     "markdownify>=1.1.0",
     "openpyxl>=3.1.5",
     "pydantic>=2.11.5",

uv.lock

@@ -17,6 +17,7 @@ dependencies = [
     { name = "gradio" },
     { name = "itsdangerous" },
     { name = "langchain-community" },
+    { name = "lxml" },
     { name = "markdownify" },
     { name = "openpyxl" },
     { name = "pydantic" },
@@ -37,6 +38,7 @@ requires-dist = [
     { name = "gradio", specifier = ">=5.31.0" },
     { name = "itsdangerous", specifier = ">=2.2.0" },
     { name = "langchain-community", specifier = ">=0.3.25" },
+    { name = "lxml", specifier = ">=5.4.0" },
     { name = "markdownify", specifier = ">=1.1.0" },
     { name = "openpyxl", specifier = ">=3.1.5" },
     { name = "pydantic", specifier = ">=2.11.5" },
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 ]
 
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+version = "5.4.0"
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