diff --git a/.github/scripts/pr_merge_sync_patches.py b/.github/scripts/pr_merge_sync_patches.py
index 2916d224a6..a124a6aae2 100644
--- a/.github/scripts/pr_merge_sync_patches.py
+++ b/.github/scripts/pr_merge_sync_patches.py
@@ -93,8 +93,8 @@ def _clone_subrepo(repo_url: str, branch: str, destination: Path) -> None:
 
 def _configure_git_user(repo_path: Path) -> None:
     """Configure git user.name and user.email for the given repository directory."""
-    _run_git(["config", "user.name", "assistant-librarian[bot]"], cwd=repo_path)
-    _run_git(["config", "user.email", "assistant-librarian[bot]@users.noreply.github.com"], cwd=repo_path)
+    _run_git(["config", "user.name", "systems-assistant[bot]"], cwd=repo_path)
+    _run_git(["config", "user.email", "systems-assistant[bot]@users.noreply.github.com"], cwd=repo_path)
 
 def _apply_patch(repo_path: Path, patch_path: Path, rel_file_path: Path, monorepo_path: Path, prefix: str) -> None:
     """Try to apply a patch; if it fails, fallback to full file replacement."""
diff --git a/.github/workflows/initial-setup.yml b/.github/workflows/initial-setup.yml
index 673ced33df..fa3d3b64b3 100644
--- a/.github/workflows/initial-setup.yml
+++ b/.github/workflows/initial-setup.yml
@@ -26,8 +26,8 @@ jobs:
 
       - name: Set up Git user and Git LFS
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Add Repositories to the Monorepo
         run: |
diff --git a/.github/workflows/pr-auto-label.yml b/.github/workflows/pr-auto-label.yml
index da50445266..09183566aa 100644
--- a/.github/workflows/pr-auto-label.yml
+++ b/.github/workflows/pr-auto-label.yml
@@ -71,8 +71,8 @@ jobs:
 
       - name: Set up Git user
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Compute Category Labels for PR
         id: compute_labels
diff --git a/.github/workflows/pr-import.yml b/.github/workflows/pr-import.yml
index 969cb381b8..4b543d3baa 100644
--- a/.github/workflows/pr-import.yml
+++ b/.github/workflows/pr-import.yml
@@ -81,8 +81,8 @@ jobs:
 
       - name: Set up Git user
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Fetch subrepo PR info using gh
         id: prdata
diff --git a/.github/workflows/pr-merge-sync-patches-manual.yml b/.github/workflows/pr-merge-sync-patches-manual.yml
index 09ff7ffa52..dd18a72ec1 100644
--- a/.github/workflows/pr-merge-sync-patches-manual.yml
+++ b/.github/workflows/pr-merge-sync-patches-manual.yml
@@ -74,8 +74,8 @@ jobs:
 
       - name: Set up Git user
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Detect changed subtrees from merged PR
         id: detect
diff --git a/.github/workflows/pr-merge-sync-patches.yml b/.github/workflows/pr-merge-sync-patches.yml
index dd75d67cbb..eb67d0ffb1 100644
--- a/.github/workflows/pr-merge-sync-patches.yml
+++ b/.github/workflows/pr-merge-sync-patches.yml
@@ -89,8 +89,8 @@ jobs:
       - name: Set up Git user
         if: steps.pr-check.outputs.skip != 'true'
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Detect changed subtrees from merged PR
         id: detect
diff --git a/.github/workflows/pre-formatting.yml b/.github/workflows/pre-formatting.yml
index 25a54e4cf8..bc538bc597 100644
--- a/.github/workflows/pre-formatting.yml
+++ b/.github/workflows/pre-formatting.yml
@@ -37,8 +37,8 @@ jobs:
 
       - name: Configure Git
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Detect changed subtrees
         id: detect
@@ -80,8 +80,8 @@ jobs:
 
       - name: Run and auto-commit pre-commit fixes
         env:
-          GIT_AUTHOR_NAME: "assistant-librarian[bot]"
-          GIT_AUTHOR_EMAIL: "assistant-librarian[bot]@users.noreply.github.com"
+          GIT_AUTHOR_NAME: "systems-assistant[bot]"
+          GIT_AUTHOR_EMAIL: "systems-assistant[bot]@users.noreply.github.com"
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           var="${{ steps.changed-files.outputs.all_modified_files }}"
diff --git a/.github/workflows/update-release-staging-subtree.yml b/.github/workflows/update-release-staging-subtree.yml
index 1fd9b3c085..00f7f6d725 100644
--- a/.github/workflows/update-release-staging-subtree.yml
+++ b/.github/workflows/update-release-staging-subtree.yml
@@ -34,8 +34,8 @@ jobs:
 
       - name: Set up Git user
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Switch to the Monorepo branch
         run: |
diff --git a/.github/workflows/update-subtrees.yml b/.github/workflows/update-subtrees.yml
index 66cc7e7f73..e10b593306 100644
--- a/.github/workflows/update-subtrees.yml
+++ b/.github/workflows/update-subtrees.yml
@@ -33,8 +33,8 @@ jobs:
 
       - name: Set up Git user
         run: |
-          git config user.name "assistant-librarian[bot]"
-          git config user.email "assistant-librarian[bot]@users.noreply.github.com"
+          git config user.name "systems-assistant[bot]"
+          git config user.email "systems-assistant[bot]@users.noreply.github.com"
 
       - name: Switch to the Monorepo branch
         run: |