diff --git a/.github/workflows/build-genai.yml b/.github/workflows/build-genai.yml
index 62f31fcbc9..535b44c75a 100644
--- a/.github/workflows/build-genai.yml
+++ b/.github/workflows/build-genai.yml
@@ -10,7 +10,9 @@ on:
             - "packages/core/**"
             - "packages/sample/**"
             - "packages/cli/**"
-
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
 jobs:
     build:
         runs-on: ubuntu-latest
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 16cc533c6a..a67de355c7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,12 +5,15 @@ on:
         branches: [main]
     pull_request:
     workflow_dispatch:
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
 jobs:
     build:
         runs-on: ubuntu-latest
         strategy:
-          matrix:
-              node-version: [20, 22]        
+            matrix:
+                node-version: [20, 22]
         steps:
             - uses: actions/checkout@v4
               with:
diff --git a/.github/workflows/genai-alt-text.yml b/.github/workflows/genai-alt-text.yml
index 31d305d584..ff4d4c98ba 100644
--- a/.github/workflows/genai-alt-text.yml
+++ b/.github/workflows/genai-alt-text.yml
@@ -6,7 +6,9 @@ on:
     pull_request:
         paths:
             - "docs/src/**/*.png"
-
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
 jobs:
     build:
         runs-on: ubuntu-latest
diff --git a/.github/workflows/genai-frontmatter.yml b/.github/workflows/genai-frontmatter.yml
index 6c81dcf3ea..b2b24ccfec 100644
--- a/.github/workflows/genai-frontmatter.yml
+++ b/.github/workflows/genai-frontmatter.yml
@@ -7,6 +7,9 @@ on:
         paths:
             - "docs/src/**/*.md"
             - "docs/src/**/*.mdx"
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
 jobs:
     build:
         runs-on: ubuntu-latest
diff --git a/.github/workflows/genai-pr-review.yml b/.github/workflows/genai-pr-review.yml
index a41a24160f..3b4b51f576 100644
--- a/.github/workflows/genai-pr-review.yml
+++ b/.github/workflows/genai-pr-review.yml
@@ -7,6 +7,9 @@ on:
             - "packages/core/**/*"
             - "packages/cli/**/*"
             - "packages/samples/**/*"
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
     build:
         runs-on: ubuntu-latest
diff --git a/.github/workflows/ollama.yml b/.github/workflows/ollama.yml
index 10d3663b31..55b361e9a8 100644
--- a/.github/workflows/ollama.yml
+++ b/.github/workflows/ollama.yml
@@ -17,6 +17,9 @@ on:
             - "packages/core/**/*"
             - "packages/cli/**/*"
             - "packages/samples/**/*"
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
 jobs:
     tests:
         runs-on: ubuntu-latest
diff --git a/packages/core/src/github.ts b/packages/core/src/github.ts
index 7a978c5971..720bb10639 100644
--- a/packages/core/src/github.ts
+++ b/packages/core/src/github.ts
@@ -280,6 +280,8 @@ export async function githubCreatePullRequestReviews(
         return false
     }
 
+    // query existing reviews
+
     // code annotations
     for (const annotation of annotations) {
         await githubCreatePullRequestReview(script, info, token, annotation)