Fighting Game · Guides & deep dives

V2 Karaoke Rhythm-Combat Bridge

A guides & deep dives document in the Fighting Game library.

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@v2/karaoke-rhythm-combat-bridge is the cook-time composition surface for the V2 karaoke + rhythm-combat fusion mode (§132). It binds:

  • Euterpe @euterpe/genesis for procedural backing track prompts, lyric-guided melody generation, and generated stem manifests.
  • Euterpe @euterpe/accompany for adaptive accompaniment, groove-lock analysis, and rhythm-grid context.
  • Euterpe @euterpe/protect for DMCA-safe music swap and streamer-mode originality checks.
  • Calliope @calliope/sound-design for per-fighter signature theme variations, rhythm-hit stings, and walkout cue variations.
  • Iris @iris/voice for guide-voice speed/pitch directives.

The bridge emits authoring manifests for V2Mode_Karaoke, V2Mode_RhythmCombat, V2DynamicMusic, V2Audio, and the V2-owned V2KaraokeScoring pitch and rhythm scoring rubric. Euterpe, Calliope, and Iris outputs are off rollback and may not influence deterministic combat state after the manifest is cooked. The bridge rejects live rhythm-combat frame RPCs.

CI ownership is enforced by V2/ue/Tools/check-v2-karaoke-rhythm-combat-bridge.py. The checker verifies the package wiring, reciprocal Euterpe spec section, V2 architecture/dependency docs, lockfile entries, checklist closure, and workflow presence.