python3Packages.langgraph-{cli,prebuilt}: fix homepage link (#408178)

Author: drupol

pkgs/development/python-modules/langgraph-cli/default.nix

@@ -68,7 +68,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Official CLI for LangGraph API";
-    homepage = "https://github.com/langchain-ai/langgraph/libs/cli";
+    homepage = "https://github.com/langchain-ai/langgraph/tree/main/libs/cli";
     changelog = "https://github.com/langchain-ai/langgraph/releases/tag/${version}";
     mainProgram = "langgraph";
     license = lib.licenses.mit;

pkgs/development/python-modules/langgraph-prebuilt/default.nix

@@ -95,7 +95,7 @@ buildPythonPackage rec {
 
   meta = {
     description = "Prebuilt agents add-on for Langgraph. Should always be bundled with langgraph";
-    homepage = "https://github.com/langchain-ai/langgraph";
+    homepage = "https://github.com/langchain-ai/langgraph/tree/main/libs/prebuilt";
     changelog = "https://github.com/langchain-ai/langgraph/releases/tag/${version}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ sarahec ];