BLOCKER: Sprint 42 Slice 5 needs persisted press history

[KevinBigham]

Slice 5: Press Conference History

Branch: sprint-42/slice-5-press-conference-history
Engine: preflight only
SAVE_VERSION: unchanged at 35

What it does

BLOCKER: this slice stopped at the packet kill switch. The engine/save state does not expose a persisted pressConferenceHistory[] archive for a history ledger. It only persists recentPressConferences, which recordPressConference(...) caps to five entries.

Verification

• Preflight search PASS — confirmed no pressConferenceHistory state/save field exists
• SAVE_VERSION unchanged at 35
• pnpm -r typecheck NOT RUN — no code changes
• pnpm test NOT RUN — no code changes
• pnpm --filter @mfd/web build NOT RUN — no code changes
• check-bundle-size.sh NOT RUN — no code changes
• check-math-random.sh NOT RUN — no code changes

Evidence

• packages/engine/src/systems/press-conference.ts records into game.recentPressConferences = [conference, ...game.recentPressConferences].slice(0, 5)
• packages/engine/src/types/franchise.ts exposes recentPressConferences: PressConference[]
• packages/engine/src/save/schema.ts persists recentPressConferences
• rg "pressConferenceHistory" packages/engine/src returned no archive field

Notes for Kevin

A real Press Conference History screen needs an engine/save-backed archive field or a design decision to intentionally surface only the recent five. I did not fabricate history from transient modal state.

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Co-Authored-By: Codex noreply@openai.com