diff --git a/backend/requirements.lock b/backend/requirements.lock
index e3968d4a..d7716c73 100644
--- a/backend/requirements.lock
+++ b/backend/requirements.lock
@@ -1,5 +1,5 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile backend/requirements.txt --python-version 3.13 --generate-hashes --output-file backend/requirements.lock
+#    uv pip compile backend/requirements.txt --universal --python-version 3.13 --generate-hashes --output-file backend/requirements.lock
 annotated-doc==0.0.4 \
     --hash=sha256:571ac1dc6991c450b25a9c2d84a3705e2ae7a53467b5d111c24fa8baabbed320 \
     --hash=sha256:fbcda96e87e9c92ad167c2e53839e57503ecfda18804ea28102353485033faa4
@@ -42,7 +42,7 @@ certifi==2026.5.20 \
     #   httpcore
     #   httpx
     #   trafilatura
-cffi==2.0.0 \
+cffi==2.0.0 ; platform_python_implementation != 'PyPy' \
     --hash=sha256:00bdf7acc5f795150faa6957054fbbca2439db2f775ce831222b66f192f03beb \
     --hash=sha256:07b271772c100085dd28b74fa0cd81c8fb1a3ba18b21e03d7c27f3436a10606b \
     --hash=sha256:087067fa8953339c723661eda6b54bc98c5625757ea62e95eb4898ad5e776e9f \
@@ -275,7 +275,7 @@ click==8.4.1 \
     # via
     #   rich-toolkit
     #   uvicorn
-colorama==0.4.6 \
+colorama==0.4.6 ; sys_platform == 'win32' \
     --hash=sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44 \
     --hash=sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6
     # via
@@ -919,7 +919,7 @@ pillow==12.2.0 \
     --hash=sha256:fb043ee2f06b41473269765c2feae53fc2e2fbf96e5e22ca94fb5ad677856f06 \
     --hash=sha256:fc3d34d4a8fbec3e88a79b92e5465e0f9b842b628675850d860b8bd300b159f5
     # via -r backend/requirements.txt
-pycparser==3.0 \
+pycparser==3.0 ; implementation_name != 'PyPy' and platform_python_implementation != 'PyPy' \
     --hash=sha256:600f49d217304a5902ac3c37e1281c9fe94e4d0489de643a9504c5cdfdfc6b29 \
     --hash=sha256:b727414169a36b7d524c1c3e31839a521725078d7b2ff038656844266160a992
     # via cffi
@@ -1096,7 +1096,7 @@ pytz==2026.2 \
     --hash=sha256:04156e608bee23d3792fd45c94ae47fae1036688e75032eea2e3bf0323d1f126 \
     --hash=sha256:0e60b47b29f21574376f218fe21abc009894a2321ea16c6754f3cad6eb7cdd6a
     # via dateparser
-pywin32==311 \
+pywin32==311 ; sys_platform == 'win32' \
     --hash=sha256:0502d1facf1fed4839a9a51ccbcc63d952cf318f78ffc00a7e78528ac27d7a2b \
     --hash=sha256:184eb5e436dea364dcd3d2316d577d625c0351bf237c4e9a5fabbcfa5a58b151 \
     --hash=sha256:3aca44c046bd2ed8c90de9cb8427f581c479e594e99b5c0bb19b29c10fd6cb87 \
@@ -1506,7 +1506,7 @@ typing-inspection==0.4.2 \
     #   mcp
     #   pydantic
     #   pydantic-settings
-tzdata==2026.2 \
+tzdata==2026.2 ; sys_platform == 'win32' \
     --hash=sha256:9173fde7d80d9018e02a662e168e5a2d04f87c41ea174b139fbef642eda62d10 \
     --hash=sha256:bbe9af844f658da81a5f95019480da3a89415801f6cc966806612cc7169bffe7
     # via tzlocal
@@ -1530,6 +1530,57 @@ uvicorn==0.48.0 \
     #   fastapi
     #   fastapi-cli
     #   mcp
+uvloop==0.22.1 ; platform_python_implementation != 'PyPy' and sys_platform != 'cygwin' and sys_platform != 'win32' \
+    --hash=sha256:017bd46f9e7b78e81606329d07141d3da446f8798c6baeec124260e22c262772 \
+    --hash=sha256:0530a5fbad9c9e4ee3f2b33b148c6a64d47bbad8000ea63704fa8260f4cf728e \
+    --hash=sha256:05e4b5f86e621cf3927631789999e697e58f0d2d32675b67d9ca9eb0bca55743 \
+    --hash=sha256:0ae676de143db2b2f60a9696d7eca5bb9d0dd6cc3ac3dad59a8ae7e95f9e1b54 \
+    --hash=sha256:1489cf791aa7b6e8c8be1c5a080bae3a672791fcb4e9e12249b05862a2ca9cec \
+    --hash=sha256:17d4e97258b0172dfa107b89aa1eeba3016f4b1974ce85ca3ef6a66b35cbf659 \
+    --hash=sha256:1cdf5192ab3e674ca26da2eada35b288d2fa49fdd0f357a19f0e7c4e7d5077c8 \
+    --hash=sha256:1f38ec5e3f18c8a10ded09742f7fb8de0108796eb673f30ce7762ce1b8550cad \
+    --hash=sha256:286322a90bea1f9422a470d5d2ad82d38080be0a29c4dd9b3e6384320a4d11e7 \
+    --hash=sha256:297c27d8003520596236bdb2335e6b3f649480bd09e00d1e3a99144b691d2a35 \
+    --hash=sha256:37554f70528f60cad66945b885eb01f1bb514f132d92b6eeed1c90fd54ed6289 \
+    --hash=sha256:3879b88423ec7e97cd4eba2a443aa26ed4e59b45e6b76aabf13fe2f27023a142 \
+    --hash=sha256:3b7f102bf3cb1995cfeaee9321105e8f5da76fdb104cdad8986f85461a1b7b77 \
+    --hash=sha256:40631b049d5972c6755b06d0bfe8233b1bd9a8a6392d9d1c45c10b6f9e9b2733 \
+    --hash=sha256:481c990a7abe2c6f4fc3d98781cc9426ebd7f03a9aaa7eb03d3bfc68ac2a46bd \
+    --hash=sha256:4a968a72422a097b09042d5fa2c5c590251ad484acf910a651b4b620acd7f193 \
+    --hash=sha256:4baa86acedf1d62115c1dc6ad1e17134476688f08c6efd8a2ab076e815665c74 \
+    --hash=sha256:512fec6815e2dd45161054592441ef76c830eddaad55c8aa30952e6fe1ed07c0 \
+    --hash=sha256:51eb9bd88391483410daad430813d982010f9c9c89512321f5b60e2cddbdddd6 \
+    --hash=sha256:535cc37b3a04f6cd2c1ef65fa1d370c9a35b6695df735fcff5427323f2cd5473 \
+    --hash=sha256:53c85520781d84a4b8b230e24a5af5b0778efdb39142b424990ff1ef7c48ba21 \
+    --hash=sha256:55502bc2c653ed2e9692e8c55cb95b397d33f9f2911e929dc97c4d6b26d04242 \
+    --hash=sha256:561577354eb94200d75aca23fbde86ee11be36b00e52a4eaf8f50fb0c86b7705 \
+    --hash=sha256:56a2d1fae65fd82197cb8c53c367310b3eabe1bbb9fb5a04d28e3e3520e4f702 \
+    --hash=sha256:57df59d8b48feb0e613d9b1f5e57b7532e97cbaf0d61f7aa9aa32221e84bc4b6 \
+    --hash=sha256:6c84bae345b9147082b17371e3dd5d42775bddce91f885499017f4607fdaf39f \
+    --hash=sha256:6cde23eeda1a25c75b2e07d39970f3374105d5eafbaab2a4482be82f272d5a5e \
+    --hash=sha256:6e2ea3d6190a2968f4a14a23019d3b16870dd2190cd69c8180f7c632d21de68d \
+    --hash=sha256:700e674a166ca5778255e0e1dc4e9d79ab2acc57b9171b79e65feba7184b3370 \
+    --hash=sha256:7b5b1ac819a3f946d3b2ee07f09149578ae76066d70b44df3fa990add49a82e4 \
+    --hash=sha256:7cd375a12b71d33d46af85a3343b35d98e8116134ba404bd657b3b1d15988792 \
+    --hash=sha256:80eee091fe128e425177fbd82f8635769e2f32ec9daf6468286ec57ec0313efa \
+    --hash=sha256:93f617675b2d03af4e72a5333ef89450dfaa5321303ede6e67ba9c9d26878079 \
+    --hash=sha256:a592b043a47ad17911add5fbd087c76716d7c9ccc1d64ec9249ceafd735f03c2 \
+    --hash=sha256:ac33ed96229b7790eb729702751c0e93ac5bc3bcf52ae9eccbff30da09194b86 \
+    --hash=sha256:b31dc2fccbd42adc73bc4e7cdbae4fc5086cf378979e53ca5d0301838c5682c6 \
+    --hash=sha256:b45649628d816c030dba3c80f8e2689bab1c89518ed10d426036cdc47874dfc4 \
+    --hash=sha256:b76324e2dc033a0b2f435f33eb88ff9913c156ef78e153fb210e03c13da746b3 \
+    --hash=sha256:b91328c72635f6f9e0282e4a57da7470c7350ab1c9f48546c0f2866205349d21 \
+    --hash=sha256:badb4d8e58ee08dad957002027830d5c3b06aea446a6a3744483c2b3b745345c \
+    --hash=sha256:bc5ef13bbc10b5335792360623cc378d52d7e62c2de64660616478c32cd0598e \
+    --hash=sha256:c1955d5a1dd43198244d47664a5858082a3239766a839b2102a269aaff7a4e25 \
+    --hash=sha256:c3e5c6727a57cb6558592a95019e504f605d1c54eb86463ee9f7a2dbd411c820 \
+    --hash=sha256:c60ebcd36f7b240b30788554b6f0782454826a0ed765d8430652621b5de674b9 \
+    --hash=sha256:daf620c2995d193449393d6c62131b3fbd40a63bf7b307a1527856ace637fe88 \
+    --hash=sha256:e047cc068570bac9866237739607d1313b9253c3051ad84738cbb095be0537b2 \
+    --hash=sha256:ea721dd3203b809039fcc2983f14608dae82b212288b346e0bfe46ec2fab0b7c \
+    --hash=sha256:ef6f0d4cc8a9fa1f6a910230cd53545d9a14479311e87e3cb225495952eb672c \
+    --hash=sha256:fe94b4564e865d968414598eea1a6de60adba0c040ba4ed05ac1300de402cd42
+    # via uvicorn
 watchfiles==1.2.0 \
     --hash=sha256:01859b11fd9fbca670f4d5da00fbac282cfea9bd67a2125d8b2833a3b5617ea9 \
     --hash=sha256:01ea8d66f0693b9b60a6541c8d10263091ca9a9060d242f3c1f3143f9aad2c98 \