fix: pythonic pipelines rerun uv sync on all builds/runs.

Author: Spelkington

docs/reference/misc/external/docfx/.source.env

@@ -0,0 +1,2 @@
+SOURCE_TYPE=repo
+SOURCE_ADDRESS=https://github.com/dotnet/docfx.git

docs/reference/misc/external/language-ext-v4/.source.env

@@ -431,12 +431,6 @@ public List<string> GetResolvedModuleSearchPaths()
     var venvPath = Path.Combine(directory, ".venv");
     var pyvenvCfg = Path.Combine(venvPath, "pyvenv.cfg");
 
-    // If .venv already exists and is valid, return it immediately
-    if (File.Exists(pyvenvCfg))
-    {
-      return venvPath;
-    }
-
     // Check if uv manifest files exist
     if (!File.Exists(pyprojectPath) || !File.Exists(uvLockPath))
     {

src/extensions/Flowthru.Extensions.Python/Runtime/PythonRuntimeOptions.cs

@@ -12,6 +12,7 @@ dependencies = [
   "matplotlib>=3.5.0",
   "seaborn~=0.12.1",
   "plotly>=5.0.0",
+  "kaleido>=0.2.1",
 ]
 
 [tool.uv]