diff --git a/.github/workflows/backend-foundation.yml b/.github/workflows/backend-foundation.yml
index 0e408f8f..ac0ec0d8 100644
--- a/.github/workflows/backend-foundation.yml
+++ b/.github/workflows/backend-foundation.yml
@@ -1,14 +1,7 @@
 name: Backend Foundation
 
 on:
-  pull_request:
-    branches:
-      - dev
-      - main
-  push:
-    branches:
-      - dev
-      - main
+  workflow_dispatch: # Manual trigger only — auto-triggers disabled (free plan)
 
 jobs:
   backend-foundation-makefile:
diff --git a/.github/workflows/mobile-ci.yml b/.github/workflows/mobile-ci.yml
index e9f9767a..95306e16 100644
--- a/.github/workflows/mobile-ci.yml
+++ b/.github/workflows/mobile-ci.yml
@@ -236,4 +236,3 @@ jobs:
           else
             echo "✅ Pipeline PASSED"
           fi
-
diff --git a/.github/workflows/web-quality.yml b/.github/workflows/web-quality.yml
index 7280b333..6b1ba2d3 100644
--- a/.github/workflows/web-quality.yml
+++ b/.github/workflows/web-quality.yml
@@ -1,14 +1,7 @@
 name: Web Quality
 
 on:
-  pull_request:
-    branches:
-      - dev
-      - main
-  push:
-    branches:
-      - dev
-      - main
+  workflow_dispatch: # Manual trigger only — auto-triggers disabled (free plan)
 
 jobs:
   web-quality: