chore: move ccw-skill-hub to standalone repository

Migrated ccw-skill-hub to D:/ccw-skill-hub as independent git project.
Removed nested git repos (ccw/frontend/ccw-skill-hub, skill-hub-repo, skill-hub-temp).

codex-lens/.github/workflows/security.yml

@@ -0,0 +1,70 @@
+# Security scanning workflow for codex-lens
+# Runs pip-audit to check for known vulnerabilities in dependencies
+
+name: Security Scan
+
+on:
+  # Run on push to main branch
+  push:
+    branches:
+      - main
+      - master
+  # Run weekly on Sundays at 00:00 UTC
+  schedule:
+    - cron: '0 0 * * 0'
+  # Allow manual trigger
+  workflow_dispatch:
+
+jobs:
+  security-audit:
+    name: Dependency Vulnerability Scan
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+
+      - name: Install pip-audit
+        run: |
+          python -m pip install --upgrade pip
+          pip install pip-audit
+
+      - name: Run pip-audit on requirements.in
+        run: pip-audit --requirement requirements.in
+        continue-on-error: false
+
+      - name: Run pip-audit on pyproject.toml dependencies
+        run: pip-audit --project-path .
+        continue-on-error: false
+
+      - name: Check for safety issues
+        run: |
+          pip install safety
+          safety check --json || true
+        continue-on-error: true
+
+  bandit-security:
+    name: Code Security Linting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Install bandit
+        run: pip install bandit[toml]
+
+      - name: Run bandit security linter
+        run: bandit -r src/ -ll -i
+        continue-on-error: true