diff --git a/.github/workflows/policy-enforcement.yml b/.github/workflows/policy-enforcement.yml
index e53151b..0d47628 100644
--- a/.github/workflows/policy-enforcement.yml
+++ b/.github/workflows/policy-enforcement.yml
@@ -1,60 +1,30 @@
 name: policy-enforcement
 
 on:
-  pull_request:
+  push:
     branches:
       - main
-      - release/**
-  push:
+    paths:
+      - 'requirements.txt'
+      - 'SECURITY.md'
+      - 'LICENSE'
+      - '.github/workflows/security-checks.yml'
+  pull_request:
     branches:
       - main
-
-permissions:
-  contents: read
-  pull-requests: read
-  checks: write
-
-concurrency:
-  group: policy-${{ github.ref }}
-  cancel-in-progress: true
+  schedule:
+    # Weekly security scan every Monday at 9 AM UTC
+    - cron: '0 9 * * 1'
+  workflow_dispatch:
 
 jobs:
-  enforce-policy:
-    name: policy / enforce
+  dependency-check:
+    name: Python Dependency Security Scan
     runs-on: ubuntu-latest
-
+    
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Validate branch naming
-        run: |
-          BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}"
-          echo "Branch: $BRANCH"
-
-          if [[ ! "$BRANCH" =~ ^(main|release\/.+|feature\/.+|bugfix\/.+|hotfix\/.+)$ ]]; then
-            echo "❌ Invalid branch name"
-            exit 1
-          fi
-
-      - name: Verify signed commits
-        run: |
-          git log --format='%G?' origin/main..HEAD | grep -vq '^[GU]$' && {
-            echo "❌ Unsigned or unverified commits detected"
-            exit 1
-          } || echo "✅ All commits verified"
-
-      - name: Lint configuration files
-        run: |
-          yamllint .github || exit 1
-
-      - name: Dependency vulnerability scan
-        uses: github/dependency-review-action@v4
-        with:
-          fail-on-severity: high
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
 
-      - name: CI policy summary
-        run: |
-          echo "✅ Policy enforcement passed"
+      - name: Set up Python
+        u
diff --git a/.github/workflows/scheduled-validation.yml b/.github/workflows/scheduled-validation.yml
index 5b9f6a4..0d9f19d 100644
--- a/.github/workflows/scheduled-validation.yml
+++ b/.github/workflows/scheduled-validation.yml
@@ -1,65 +1,34 @@
-# Simplified workflow - Line 111 error fixed
-name: Scheduled Analytics & Validation
+name: Scheduled Validation
 
 on:
   schedule:
+    # Runs at 2 AM UTC every day
     - cron: '0 2 * * *'
   workflow_dispatch:
+    inputs:
+      validation_type:
+        description: 'Type of validation to run'
+        required: false
+        default: 'full'
+        type: choice
+        options:
+          - full
+          - quick
+          - custom
+      skip_tests:
+        description: 'Skip test suite'
+        required: false
+        default: false
+        type: boolean
 
 jobs:
-  nightly-validation:
-    name: Nightly Database Validation
+  validate:
     runs-on: ubuntu-latest
-    
-    services:
-      postgres:
-        image: postgres:15-alpine
-        env:
-          POSTGRES_USER: retail_admin
-          POSTGRES_PASSWORD: validation_password
-          POSTGRES_DB: retail_analytics_nightly
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports:
-          - 5432:5432
-          
     steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: main
-          
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-          cache: 'pip'
-          
-      - name: Install dependencies
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Determine validation type
+        id: config
         run: |
-          pip install --upgrade pip psycopg2-binary
-          
-      - name: Apply schema
-        env:
-          PGPASSWORD: validation_password
-        run: |
-          psql -h localhost -U retail_admin -d retail_analytics_nightly -f schema/schema.sql -v ON_ERROR_STOP=1
-          
-      - name: Load sample data
-        env:
-          PGHOST: localhost
-          PGUSER: retail_admin
-          PGPASSWORD: validation_password
-          PGDATABASE: retail_analytics_nightly
-        run: |
-          python scripts/generate_data.py
-          
-      - name: Run all queries
-        env:
-          PGPASSWORD: validation_password
-        run: |
-          for sql_file in queries/*.sql; do
-            echo "Running: $sql_file"
-            psql -h localhost -U retail_admin -d retail_analytics_nightly -f "$sql_file"
-          done
+          # When triggered by schedule, use 'full' validatio