test(skills): implement Assassin Milestone M29 Class Gate & End-to-End Suite (30/30 skills)
- Add adv-ass-e2e-gate.test.ts covering all 8 core cross-tree scenarios:
1. Traps Tree Synergy Network & 5-Band Progression (LS +720%, DS corpse explosion, Blade weapon scaling 3/8 and 3/4).
2. Martial Arts Charge-Up & Finisher Discharge Pipeline (multi-skill charges, single-tier Phoenix Strike, Dragon Talon multi-kicks, Dragon Claw dual strikes).
3. Shadow Disciplines Buff Mechanics & Venom Bitrate Clamp (BoS vs Fade cancellation, Venom 10-frame clamp, CoS recast lockout).
4. Minion & Summon Caps (5 Traps + 1 Shadow = 6 Max concurrent pets).
5. NextDelay Collision Avoidance Across Trees (WoF 4f, Shock Web 25f, Dragon Flight 4f).
6. Cross-Tree Hybrid Build Integration (Trapper / Kicksin / Shadow).
7. Crowd Control & Status Effects (Mind Blast 4y stun/conversion, Psychic Hammer KB, CoS blind).
8. Complete 30-Skill Assassin Tree Data Registry & Invariants (IDs 251..280 exist in D2DataRegistry, BATCH1_SKILLS length = 38).
- All 34 Assassin test files pass (166/166 tests passed).
- TypeScript Typecheck (tsc --noEmit) passes with 0 errors.
troytt
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