Publish privacy-safe Job Hunter distribution

[Deviad]

Summary

• publish 14 bundled Pi skills plus the shared document helper
• add an idempotent global installer, locked Node/Python dependencies, and runtime diagnostics
• add privacy/profile leak gates, skill/reference closure checks, and synthetic examples
• add isolated Selenium Chromium and SearXNG Compose services with a verified teardown rehearsal
• reduce application automation to a fail-closed agent-driven surface with no copied ATS answer defaults

Verification

• npm test — 68/68 passed
• npm run test:skills — 22/22 installed skill tests passed
• npm run verify:release — passed
• npm run verify-runtime — passed
• docker compose config --quiet — passed
• bash scripts/rehearse-compose.sh — 6/6 passed with teardown
• DOCX and PDF create/validate rehearsal — passed

Closes #1
Closes #2
Closes #3

[Deviad]

Superseded by #6 after the Compose teardown fix was split into issue #5.