Executive Plane: 13 new spells + jargon/mechanics updates

[gothosvc]

Third pass of findings, all executive-cast: 7 general additions, 2 capstone-level rituals, and 4 combat spells that close the offensive-spell gap in Procurement & Resourcing and Analytics & Forecasting.

New spells

• Compliance & Risk: Golden Parachute, Deflect Accountability, Litigation Blitz (combat)
• Procurement & Resourcing: Hire Nephew, Acquihire (combat), Bid War (combat)
• Analytics & Forecasting: Leak the Roadmap (combat)
• Sales & Stakeholder Management: Drive-By Comment
• Finance & Cost-Cutting: Impossible Deadline
• Marketing & Optics: Work From Beach Home
• Org Design & Process Change: New Management Style, Return to Office Mandate (8th, capstone), Move HQ to Austin (9th, capstone)

Also updated

• README.md — status count (39 → 52) and per-domain findings list
• MECHANICS.md — cross-reference lists for Tenure, Solvency, Discovery, Blamelessness score, Windfall, Amortized Loss, and Rival Organization, extended to cite the new spells
• Domain README.md jargon banks for the 7 affected domains

All new/changed spell files pass .github/scripts/validate_spell.py.