diff --git a/.gitea/workflows/cicd.yml b/.gitea/workflows/cicd.yml
index b513948..75f3f05 100644
--- a/.gitea/workflows/cicd.yml
+++ b/.gitea/workflows/cicd.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   setup-base:
     name: Build and Push CICD Base Image
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
 
     steps:
       - name: Minimal checkout for base Dockerfile
@@ -152,7 +152,7 @@ jobs:
 
   setup:
     name: Build and Push CICD Complete Image
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup-base
 
     steps:
@@ -251,7 +251,7 @@ jobs:
   # Pre-commit style checks - General file formatting
   trailing-whitespace:
     name: Trailing Whitespace Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -266,7 +266,7 @@ jobs:
 
   end-of-file-fixer:
     name: End of File Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -281,7 +281,7 @@ jobs:
 
   check-yaml:
     name: YAML Syntax Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -296,7 +296,7 @@ jobs:
 
   check-toml:
     name: TOML Syntax Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -311,7 +311,7 @@ jobs:
 
   mixed-line-ending:
     name: Mixed Line Ending Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -326,7 +326,7 @@ jobs:
 
   toml-lint:
     name: TOML Formatting Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -375,7 +375,7 @@ jobs:
   # Backend Python checks
   ruff-lint:
     name: Ruff Linting
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -390,7 +390,7 @@ jobs:
 
   ruff-format:
     name: Ruff Format Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -405,7 +405,7 @@ jobs:
 
   pyright:
     name: Pyright Type Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -420,7 +420,7 @@ jobs:
 
   darglint:
     name: Darglint Docstring Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -435,7 +435,7 @@ jobs:
 
   no-docstring-types:
     name: No Docstring Types Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -451,7 +451,7 @@ jobs:
   # Frontend checks
   eslint:
     name: ESLint Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -466,7 +466,7 @@ jobs:
 
   prettier:
     name: Prettier Format Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -481,7 +481,7 @@ jobs:
 
   typescript-check:
     name: TypeScript Type Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -496,7 +496,7 @@ jobs:
 
   tsdoc-lint:
     name: TSDoc Lint Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -512,7 +512,7 @@ jobs:
   # Unit tests with coverage
   backend-tests:
     name: Backend Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -528,7 +528,7 @@ jobs:
 
   frontend-tests:
     name: Frontend Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -544,7 +544,7 @@ jobs:
   # Doctest for backend
   xdoctest:
     name: Backend Doctests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: setup
     steps:
       - name: Login to Gitea Container Registry
@@ -570,7 +570,7 @@ jobs:
   # Integration and E2E tests (run after unit tests complete)
   integration-tests:
     name: Integration Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: [backend-tests, frontend-tests]
     steps:
       - name: Login to Gitea Container Registry
@@ -590,7 +590,7 @@ jobs:
 
   e2e-tests:
     name: End-to-End Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-act
     needs: [backend-tests, frontend-tests]
     steps:
       - name: Login to Gitea Container Registry