Production hardening: security fixes, code quality, 724 skills complete

- Fix 25 shell=True subprocess calls with list-based commands
- Fix 49 verify=False in defensive skills (env-var override)
- Add timeout to 231 HTTP/subprocess/socket calls
- Fix 6 SQL injection patterns with whitelist validation
- Replace 8 __import__() with standard imports
- Remove 701 unused imports across 442 files
- Add authorized-testing disclaimers to all offensive skills
- Complete 11 incomplete skill directories
- Expand 10 stub SKILL.md files with full content
- Fix 2 YAML parse errors in frontmatter
- Fix 5 pre-existing syntax errors
- Convert 22 hardcoded paths/ports to environment variables
- Back up 21 redundant skill pairs to .bak
- Fix 2 global declaration errors
- 724/724 skills with full folder anatomy (SKILL.md + agent.py + api-reference.md + LICENSE)
- 0 compile errors across all 724 agent.py files

skills/performing-soap-web-service-security-testing/scripts/agent.py

@@ -5,10 +5,10 @@ Parses WSDL definitions using zeep/lxml, tests for XXE, SQL injection,
 SOAPAction spoofing, and WS-Security bypass vulnerabilities.
 """
 
-import requests
 import json
+import os
+import requests
 import sys
-import re
 from lxml import etree
 
 
@@ -167,7 +167,7 @@ class SOAPSecurityTester:
 
 
 def main():
-    wsdl = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080/ws?wsdl"
+    wsdl = sys.argv[1] if len(sys.argv) > 1 else os.environ.get("SOAP_WSDL_URL", "http://localhost:8080/ws?wsdl")
     tester = SOAPSecurityTester(wsdl)
     tester.parse_wsdl()
     for op in tester.operations: