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/analyzing-phishing-email-headers.bak/assets/template.md

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+# Phishing Email Header Analysis Report Template
+
+## Report Information
+- **Analyst**: [Name]
+- **Date**: [YYYY-MM-DD]
+- **Case ID**: [CASE-XXXX]
+- **Classification**: [Phishing / Spear-phishing / BEC / Legitimate]
+
+## Email Summary
+| Field | Value |
+|---|---|
+| From | |
+| To | |
+| Subject | |
+| Date Received | |
+| Message-ID | |
+
+## Authentication Results
+| Check | Result | Domain | Notes |
+|---|---|---|---|
+| SPF | pass/fail/none | | |
+| DKIM | pass/fail/none | | |
+| DMARC | pass/fail/none | | |
+
+## Sender Analysis
+| Field | Value | Match From? |
+|---|---|---|
+| From (header) | | N/A |
+| Return-Path (envelope) | | Yes/No |
+| Reply-To | | Yes/No |
+| X-Originating-IP | | |
+| X-Mailer | | |
+
+## Routing Analysis
+| Hop | Server From | Server By | IP | Location | Time |
+|---|---|---|---|---|---|
+| 1 | | | | | |
+| 2 | | | | | |
+| 3 | | | | | |
+
+## Indicators of Compromise (IOCs)
+### IP Addresses
+| IP | Source | Reputation | Location |
+|---|---|---|---|
+| | | | |
+
+### Domains
+| Domain | Source | Age | Reputation |
+|---|---|---|---|
+| | | | |
+
+### URLs
+| URL | Context | Status |
+|---|---|---|
+| | | |
+
+## Phishing Indicators Found
+| # | Category | Description | Severity |
+|---|---|---|---|
+| 1 | | | |
+| 2 | | | |
+| 3 | | | |
+
+## Risk Assessment
+- **Risk Score**: [0-100]
+- **Risk Level**: [CLEAN / LOW / MEDIUM / HIGH / CRITICAL]
+- **Confidence**: [Low / Medium / High]
+
+## Recommended Actions
+- [ ] Block sender domain at email gateway
+- [ ] Add originating IP to blocklist
+- [ ] Submit IOCs to threat intelligence platform
+- [ ] Notify affected users
+- [ ] Check for similar messages in mail logs
+- [ ] Update email filtering rules
+- [ ] Report to anti-phishing databases (PhishTank, APWG)
+
+## Evidence Chain
+| Item | Hash (SHA-256) | Description |
+|---|---|---|
+| Original .eml | | Raw email file |
+| Headers export | | Extracted headers |
+| Screenshots | | Visual evidence |
+
+## Notes
+[Additional observations, context, or analysis notes]