Improve Conda sync pipeline error handling (#48732)

* more robust error handling

* update doc

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: JennyPng

conda/update_conda_files.py

@@ -672,8 +672,14 @@ def add_new_mgmt_plane_packages(new_mgmt_plane_names: list[str]) -> list[str]:
         if not package_name:
             logger.warning("Skipping package with missing name")
             continue
-
-        imports = get_valid_package_imports(package_name)
+        try:
+            imports = get_valid_package_imports(package_name)
+        except Exception as e:
+            logger.error(
+                f"Failed to get valid imports for {package_name}, skipping addition: {e}"
+            )
+            result.append(package_name)
+            continue
         # Format imports for YAML with "- " prefix
         formatted = [f"- {imp}" for imp in imports]
         new_imports.extend(formatted)

doc/dev/conda-release.md

@@ -52,7 +52,7 @@ The auto-generated PR includes:
 ### Review, Approve, and Cleanup (manual)
 
 1. **Review the PR.** Check the report in the pipeline output for any packages that encountered unexpected behavior and may need manual fixes.
-   - The PR triggers a [public build](https://dev.azure.com/azure-sdk/public/_build?definitionId=8092) which validates the changes to the Conda recipes.
+   - To validate the Conda recipe changes, manually queue a run of the internal **[Conda Build/Release Pipeline](https://dev.azure.com/azure-sdk/internal/_build?definitionId=6321)** against the PR branch.
 
 2. **Merge the PR** into `main`.