Add comprehensive testing, security, and quality standards for enterprise readiness

.bandit

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+[bandit]
+# Bandit configuration file
+exclude_dirs = [
+    "tests",
+    "docs",
+    ".git",
+    "__pycache__",
+    "build",
+    "dist"
+]
+
+# Skip specific test IDs
+skips = [
+    "B101",  # assert_used - OK in tests
+    "B601",  # paramiko_calls - Not applicable
+    "B602",  # subprocess_popen_with_shell_equals_true - Reviewed
+]
+
+# Test severity levels
+tests = [
+    "B102",  # exec_used
+    "B103",  # set_bad_file_permissions
+    "B104",  # hardcoded_bind_all_interfaces
+    "B105",  # hardcoded_password_string
+    "B106",  # hardcoded_password_funcarg
+    "B107",  # hardcoded_password_default
+    "B108",  # hardcoded_tmp_directory
+    "B110",  # try_except_pass
+    "B112",  # try_except_continue
+    "B201",  # flask_debug_true
+    "B301",  # pickle
+    "B302",  # marshal
+    "B303",  # md5
+    "B304",  # des
+    "B305",  # cipher
+    "B306",  # mktemp_q
+    "B307",  # eval
+    "B308",  # mark_safe
+    "B309",  # httpsconnection
+    "B310",  # urllib_urlopen
+    "B311",  # random
+    "B312",  # telnetlib
+    "B313",  # xml_bad_cElementTree
+    "B314",  # xml_bad_ElementTree
+    "B315",  # xml_bad_expatreader
+    "B316",  # xml_bad_expatbuilder
+    "B317",  # xml_bad_sax
+    "B318",  # xml_bad_minidom
+    "B319",  # xml_bad_pulldom
+    "B320",  # xml_bad_etree
+    "B321",  # ftplib
+    "B322",  # input
+    "B323",  # unverified_context
+    "B324",  # hashlib_new_insecure_functions
+    "B325",  # tempnam
+    "B401",  # import_telnetlib
+    "B402",  # import_ftplib
+    "B403",  # import_pickle
+    "B404",  # import_subprocess
+    "B405",  # import_xml_etree
+    "B406",  # import_xml_sax
+    "B407",  # import_xml_expat
+    "B408",  # import_xml_minidom
+    "B409",  # import_xml_pulldom
+    "B410",  # import_lxml
+    "B411",  # import_xmlrpclib
+    "B412",  # import_httpoxy
+    "B413",  # import_pycrypto
+    "B501",  # request_with_no_cert_validation
+    "B502",  # ssl_with_bad_version
+    "B503",  # ssl_with_bad_defaults
+    "B504",  # ssl_with_no_version
+    "B505",  # weak_cryptographic_key
+    "B506",  # yaml_load
+    "B507",  # ssh_no_host_key_verification
+    "B601",  # paramiko_calls
+    "B602",  # subprocess_popen_with_shell_equals_true
+    "B603",  # subprocess_without_shell_equals_true
+    "B604",  # any_other_function_with_shell_equals_true
+    "B605",  # start_process_with_a_shell
+    "B606",  # start_process_with_no_shell
+    "B607",  # start_process_with_partial_path
+    "B608",  # hardcoded_sql_expressions
+    "B609",  # linux_commands_wildcard_injection
+    "B610",  # django_extra_used
+    "B611",  # django_rawsql_used
+    "B701",  # jinja2_autoescape_false
+    "B702",  # use_of_mako_templates
+    "B703",  # django_mark_safe
+]

.github/pull_request_template.md

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+# Pull Request
+
+## Description
+Brief description of the changes in this PR.
+
+## Type of Change
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Security fix
+
+## Testing
+- [ ] Unit tests added/updated
+- [ ] Integration tests added/updated
+- [ ] All tests pass locally
+- [ ] Test coverage maintained/improved
+
+## Security
+- [ ] Security scan passed (Bandit)
+- [ ] Dependency scan passed (Safety)
+- [ ] No sensitive data exposed
+- [ ] Input validation implemented
+
+## Code Quality
+- [ ] Code follows project style guidelines (Ruff)
+- [ ] Self-review completed
+- [ ] Type hints added for public APIs
+- [ ] Docstrings added/updated
+
+## Documentation
+- [ ] README updated (if needed)
+- [ ] API documentation updated
+- [ ] CHANGELOG.md updated
+- [ ] Breaking changes documented
+
+## Checklist
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published
+
+## Related Issues
+Fixes #(issue number)
+
+## Additional Notes
+Any additional information that reviewers should know.

.github/workflows/security-scan.yml

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+name: Security Scan
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+  schedule:
+    - cron: '0 2 * * 1'  # Weekly on Monday at 2 AM
+
+jobs:
+  security-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: '3.11'
+
+    - name: Install Poetry
+      run: |
+        curl -sSL https://install.python-poetry.org | python3 -
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+    - name: Install dependencies
+      run: |
+        poetry install
+        pip install bandit safety semgrep
+
+    - name: Run Bandit security scan
+      run: |
+        bandit -r src/ -f json -o bandit-report.json || true
+        bandit -r src/ -f txt
+
+    - name: Run Safety check for vulnerabilities
+      run: |
+        safety check --json --output safety-report.json || true
+        safety check
+
+    - name: Run Semgrep security scan
+      run: |
+        semgrep --config=auto src/ --json --output=semgrep-report.json || true
+        semgrep --config=auto src/
+
+    - name: Upload security reports
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: security-reports
+        path: |
+          bandit-report.json
+          safety-report.json
+          semgrep-report.json
+
+    - name: Check for critical vulnerabilities
+      run: |
+        # Fail if critical vulnerabilities found
+        if [ -f safety-report.json ]; then
+          critical_count=$(jq '.vulnerabilities | length' safety-report.json 2>/dev/null || echo "0")
+          if [ "$critical_count" -gt 0 ]; then
+            echo "Critical vulnerabilities found: $critical_count"
+            exit 1
+          fi
+        fi