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/deploying-ransomware-canary-files/scripts/agent.py

@@ -15,7 +15,6 @@ import logging
 import smtplib
 import argparse
 import platform
-import subprocess
 from pathlib import Path
 from email.mime.text import MIMEText
 from datetime import datetime, timezone
@@ -269,6 +268,7 @@ def send_syslog_alert(alert_data, syslog_server="127.0.0.1", syslog_port=514):
     )
     try:
         sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        sock.settimeout(10)
         sock.sendto(message.encode("utf-8"), (syslog_server, syslog_port))
         sock.close()
         logger.info("Syslog alert sent to %s:%d", syslog_server, syslog_port)