prosolis ddfa89e7a7 D&D: class-balance Phase 1 — full 10×30 measurement matrix ...

Generalizes the Phase 0 spike harness to the full build matrix the
class-balance doc plans for. No tuning yet — just measurement.

- classBalanceProfile gains Subclass; buildHarnessCharacter sets it on
  the synthetic DnDCharacter; buildHarnessPlayer now calls
  applySubclassPassives after class+race passives, matching live order
  (combat_bridge.go, combat_session_build.go). Subclass="" is a no-op,
  so L1–L4 pre-unlock rows are unaffected.
- buildPhase1Profiles yields 190 rows: 10 classes × 4 pre-subclass
  levels (L1–L4) + 10 classes × 3 subclasses × 5 post-unlock checkpoints
  (L5/7/10/15/20). Order is registry order so output reads like the
  design doc / !class help.
- TestClassBalance_Phase1_FullMatrix runs the matrix at 200 trials/cell
  (~5.5s) and logs every cell plus a per-class tier-mean summary with
  min/max range. Only harness-broken pathologies fail the test (0% at
  T1 anywhere, or 100% at T5 for an L1 build); per-tier parity bands
  land in Phase 2 once we have data to calibrate the tolerance.

Phase-2 baseline from this run: at T4 the cross-class spread of mean
win rate runs Bard 0.62 → Fighter 0.80 (~18pp); at T5 0.48 → 0.64
(~16pp); casters trail martials at the post-unlock tier (T3) by ~20pp.

Phase 0 test (TestClassBalance_Phase0_FighterVsMage) still green with
identical numbers — the additional applySubclassPassives call is a
no-op for Subclass=="".

2026-05-14 20:00:00 -07:00

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