diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbb39be..3d6653a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,6 +31,10 @@ jobs:
           - os: ubuntu-latest
             rust: nightly
             allow-failure: true
+          # Use self-hosted runner for Linux stable builds
+          - os: self-hosted
+            rust: stable
+            allow-failure: false
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.allow-failure || false }}
     
@@ -124,7 +128,8 @@ jobs:
 
   wasm:
     name: WebAssembly Tests
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for WASM builds
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
@@ -159,7 +164,8 @@ jobs:
 
   msrv:
     name: Minimum Supported Rust Version
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for MSRV checks
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
@@ -192,7 +198,8 @@ jobs:
 
   security:
     name: Security Audit
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for security audits
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
@@ -231,7 +238,8 @@ jobs:
 
   coverage:
     name: Code Coverage
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for coverage analysis
+    runs-on: self-hosted
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     
     steps:
@@ -281,7 +289,8 @@ jobs:
 
   performance:
     name: Performance Regression
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for performance benchmarks
+    runs-on: self-hosted
     if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref == 'refs/heads/main')
     
     steps:
@@ -378,7 +387,8 @@ jobs:
 
   docs:
     name: Documentation
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for documentation builds
+    runs-on: self-hosted
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     
     steps:
diff --git a/.github/workflows/deploy-worker.yml b/.github/workflows/deploy-worker.yml
index 629e035..a794c3e 100644
--- a/.github/workflows/deploy-worker.yml
+++ b/.github/workflows/deploy-worker.yml
@@ -30,7 +30,8 @@ env:
 jobs:
   deploy-worker:
     name: Deploy Worker to Cloudflare
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for worker deployments
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 92bd6c0..34ed0bc 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,8 @@ env:
 jobs:
   build-and-deploy:
     name: Build and Deploy to Cloudflare Pages
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for faster builds and deployments
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
diff --git a/.github/workflows/netlify-deploy.yml b/.github/workflows/netlify-deploy.yml
index 637776c..a1ecb82 100644
--- a/.github/workflows/netlify-deploy.yml
+++ b/.github/workflows/netlify-deploy.yml
@@ -18,7 +18,8 @@ env:
 jobs:
   build-and-deploy:
     name: Build and Deploy to Netlify
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for faster builds and deployments
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a638a4f..c44c29a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,8 @@ permissions:
 jobs:
   create-release:
     name: Create Release
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for release creation
+    runs-on: self-hosted
     outputs:
       upload_url: ${{ steps.release.outputs.upload_url }}
       version: ${{ steps.version.outputs.version }}
@@ -252,7 +253,8 @@ jobs:
   build-deb:
     name: Build Debian Package
     needs: [create-release]
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for Debian package builds
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
@@ -318,7 +320,8 @@ jobs:
   docker:
     name: Build Docker Image
     needs: [create-release]
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for Docker builds
+    runs-on: self-hosted
     
     steps:
       - name: Checkout repository
@@ -359,7 +362,8 @@ jobs:
   publish-crate:
     name: Publish to crates.io
     needs: [build-release, build-deb]
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for crate publishing
+    runs-on: self-hosted
     if: github.event_name == 'push' && !contains(github.ref, '-')  # Only for stable releases
     
     steps:
@@ -393,7 +397,8 @@ jobs:
   finalize-release:
     name: Finalize Release
     needs: [create-release, build-release, build-deb, docker]
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for release finalization
+    runs-on: self-hosted
     if: always() && needs.create-release.result == 'success'
     
     steps:
diff --git a/.github/workflows/sync-secrets.yml b/.github/workflows/sync-secrets.yml
index a1c42aa..ff5de2b 100644
--- a/.github/workflows/sync-secrets.yml
+++ b/.github/workflows/sync-secrets.yml
@@ -18,7 +18,8 @@ permissions:
 jobs:
   sync-secrets:
     name: Sync 1Password to GitHub Secrets
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for secret synchronization
+    runs-on: self-hosted
     if: secrets.OP_SERVICE_ACCOUNT_TOKEN != ''
     
     steps:
@@ -85,7 +86,8 @@ jobs:
 
   notify-on-failure:
     name: Notify on Sync Failure
-    runs-on: ubuntu-latest
+    # Use self-hosted runner for failure notifications
+    runs-on: self-hosted
     needs: sync-secrets
     if: failure() && !cancelled()