diff --git a/.github/workflows/gatekeeper.yml b/.github/workflows/gatekeeper.yml
new file mode 100644
index 000000000..59fe6f913
--- /dev/null
+++ b/.github/workflows/gatekeeper.yml
@@ -0,0 +1,62 @@
+name: Gatekeeper
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  pull-requests: read
+  checks: read
+  statuses: read
+
+concurrency:
+  group: gatekeeper-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  all-checks-passed:
+    name: All Checks Passed
+    runs-on: ubuntu-latest
+    timeout-minutes: 240
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      PR_NUMBER: ${{ github.event.pull_request.number }}
+      REPO: ${{ github.repository }}
+      SELF_NAME: All Checks Passed
+    steps:
+      - name: Wait for other checks to complete successfully
+        run: |
+          echo "Giving sibling workflows time to register..."
+          sleep 60
+
+          while true; do
+            CHECKS=$(gh pr view "$PR_NUMBER" -R "$REPO" --json statusCheckRollup --jq \
+              '[.statusCheckRollup[] | select(.name != env.SELF_NAME and .context != env.SELF_NAME)]')
+
+            PENDING=$(echo "$CHECKS" | jq '[.[] | select(
+                ((.status // "") | test("QUEUED|IN_PROGRESS|PENDING|WAITING|REQUESTED"; "i")) or
+                ((.state  // "") | test("PENDING|EXPECTED"; "i"))
+              )] | length')
+
+            if [ "$PENDING" -gt 0 ]; then
+              echo "$PENDING checks still running. Waiting 60s..."
+              sleep 60
+              continue
+            fi
+
+            FAILED=$(echo "$CHECKS" | jq '[.[] | select(
+                ((.conclusion // "") | test("FAILURE|CANCELLED|TIMED_OUT|ACTION_REQUIRED|STARTUP_FAILURE"; "i")) or
+                ((.state      // "") | test("FAILURE|ERROR"; "i"))
+              )] | length')
+
+            if [ "$FAILED" -gt 0 ]; then
+              echo "Failed checks:"
+              echo "$CHECKS" | jq -r '.[] | select(
+                  ((.conclusion // "") | test("FAILURE|CANCELLED|TIMED_OUT|ACTION_REQUIRED|STARTUP_FAILURE"; "i")) or
+                  ((.state      // "") | test("FAILURE|ERROR"; "i"))
+                ) | "\(.name // .context): \(.conclusion // .state)"'
+              exit 1
+            fi
+
+            echo "All triggered checks green (or skipped)."
+            break
+          done
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 0d672c848..6007bb5fc 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: "3.12"
     - run: echo "::add-matcher::.github/workflows/matchers/actionlint.json"
     - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
-    - run: pip install ruff
+    - run: pip install ruff==0.15.19
     - run: ruff check src
 
   pre-commit-manual:
diff --git a/helm/values.schema.json b/helm/values.schema.json
index 88e5952e0..fb46d0f3a 100644
--- a/helm/values.schema.json
+++ b/helm/values.schema.json
@@ -1455,54 +1455,6 @@
                                             "requestMemory": {
                                                 "description": "Memory request for the head node",
                                                 "type": "string"
-                                            },
-                                            "resources": {
-                                                "description": "Raw Kubernetes resources block for the head node container. If specified, takes priority over the simplified request* fields.",
-                                                "type": "object"
-                                            },
-                                            "initContainer": {
-                                                "description": "The configuration for an init container to be run before the Ray head container starts.",
-                                                "type": "object",
-                                                "properties": {
-                                                    "args": {
-                                                        "description": "Additional arguments to pass to the command",
-                                                        "type": "array",
-                                                        "items": {
-                                                            "type": "string"
-                                                        }
-                                                    },
-                                                    "command": {
-                                                        "description": "The command to run in the init container",
-                                                        "type": "array",
-                                                        "items": {
-                                                            "type": "string"
-                                                        }
-                                                    },
-                                                    "env": {
-                                                        "description": "List of environment variables to set in the container",
-                                                        "type": "array"
-                                                    },
-                                                    "extraVolumeMounts": {
-                                                        "description": "Additional volume mounts to add to the init container, in Kubernetes volumeMount format.",
-                                                        "type": "array"
-                                                    },
-                                                    "image": {
-                                                        "description": "The Docker image for the init container",
-                                                        "type": "string"
-                                                    },
-                                                    "mountPvcStorage": {
-                                                        "description": "Whether to mount the model's PVC storage into the init container",
-                                                        "type": "boolean"
-                                                    },
-                                                    "name": {
-                                                        "description": "The name of the init container",
-                                                        "type": "string"
-                                                    },
-                                                    "resources": {
-                                                        "description": "The resource requests and limits for the init container",
-                                                        "type": "object"
-                                                    }
-                                                }
                                             }
                                         }
                                     }