refactor(rag): change epub parser (#44836)

api/uv.lock

@@ -1357,7 +1357,7 @@ dependencies = [
 requires-dist = [
     { name = "e2b", marker = "extra == 'server'", specifier = ">=2.55.1,<3.0.0" },
     { name = "fastapi", marker = "extra == 'server'", specifier = "==0.136.0" },
-    { name = "graphon", marker = "extra == 'server'", specifier = "==0.5.2" },
+    { name = "graphon", marker = "extra == 'server'", specifier = "==0.8.0" },
     { name = "grpcio", marker = "extra == 'server'", specifier = ">=1.60.0,<2.0.0" },
     { name = "httpx", specifier = "==0.28.1" },
     { name = "httpx2", specifier = ">=2.5.0,<3.0.0" },
@@ -1434,7 +1434,6 @@ dependencies = [
     { name = "opentelemetry-propagator-b3" },
     { name = "psycogreen" },
     { name = "psycopg2-binary" },
-    { name = "pypandoc" },
     { name = "python-socketio" },
     { name = "readabilipy" },
     { name = "redis", extra = ["hiredis"] },
@@ -1725,7 +1724,6 @@ requires-dist = [
     { name = "opentelemetry-propagator-b3", specifier = ">=1.45.0,<2.0.0" },
     { name = "psycogreen", specifier = ">=1.0.2,<2.0.0" },
     { name = "psycopg2-binary", specifier = ">=2.9.12,<3.0.0" },
-    { name = "pypandoc", specifier = "==1.17" },
     { name = "python-socketio", specifier = ">=5.13.0,<6.0.0" },
     { name = "readabilipy", specifier = "==0.3.0" },
     { name = "redis", extras = ["hiredis"], specifier = ">=7.4.0,<8.0.0" },
@@ -5592,15 +5590,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d1/7d/037401cecb34728d1c28ea05e196ea3c9d50a1ce0f2172e586e075ff55d8/pyobvector-0.2.25-py3-none-any.whl", hash = "sha256:ae0153f99bd0222783ed7e3951efc31a0d2b462d926b6f86ebd2033409aede8f", size = 64663, upload-time = "2026-03-10T07:18:29.789Z" },
 ]
 
-[[package]]
-name = "pypandoc"
-version = "1.17"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/ea/d6/410615fc433e5d1eacc00db2044ae2a9c82302df0d35366fe2bd15de024d/pypandoc-1.17.tar.gz", hash = "sha256:51179abfd6e582a25ed03477541b48836b5bba5a4c3b282a547630793934d799", size = 69071, upload-time = "2026-03-14T22:39:07.21Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/0c/86/e2ffa604eacfbec3f430b1d850e7e04c4101eca1a5828f9ae54bf51dfba4/pypandoc-1.17-py3-none-any.whl", hash = "sha256:01fdbffa61edb9f8e82e8faad6954efcb7b6f8f0634aead4d89e322a00225a67", size = 23554, upload-time = "2026-03-14T22:38:46.007Z" },
-]
-
 [[package]]
 name = "pyparsing"
 version = "3.2.5"