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-# Bank craps
-
-The playable bank-craps table is in room 6185, west of single-zero roulette.
-`play craps`, `watch craps`, `table`, `table rules`, and `help craps` use the
-existing casino interfaces. `roll`, `autoroll` and `unbet <target>` are table actions;
-`down` remains the movement command.
-
-```yaml
-casino_tables:
-  - id: bank_craps
-    game: craps
-    max_players: 12
-    min_bet: 1
-    max_bet: 10000
-    craps:
-      variant: bank
-      odds: 0
-      field_12: 3
-```
-
-`odds: 0` (default) means 3x on 4/10, 4x on 5/9, and 5x on 6/8.
-Don't-side odds permit 6x the underlying wager **laid**, producing the same
-3/4/5x maximum win. A positive integer selects uniform Nx **stake** limits
-on both sides; supported values are 1 through 1,000,000. Odds are free of
-commission. `field_12` is 2 (default) or 3. Field 2 always pays 2:1.
-Only omitted/`bank` variants are accepted; unavailable variants fail validation.
-Shared min/max limits apply to each individual wager, including odds.
-
-## Engine policy
-
-- Pass, don't pass (bar 12), come, don't come, true odds; place, buy, lay;
-  hardways; field; individual propositions, horn, and unordered hop bets.
-- Multiple wagers have independent durable stake handles. Wins return the
-  stake and remove the wager; no automatic renewal, pressing or parlaying.
-- Place/buy/hardways and come odds are off on come-out. Established come
-  contracts still work. Lay bets and don't-side odds always work.
-- Exact payout units are required. Buy commission is 5% of the stake; lay
-  commission is 5% of profit. Commission is rounded up and charged only on
-  wins. No commission is charged for removing a wager.
-- Fire pays 24/249/999:1 on 4/5/6 distinct made points, settled at seven-out.
-  Repeated made points do not advance it. Come-out sevens do not end Fire.
-- Small (2–6) and Tall (8–12) pay 34:1; All pays 175:1. Each pays immediately
-  when complete. **Any** seven loses unresolved ATS and resets its tracker.
-  All bonus wagers must be made before the first roll of a shooter hand;
-  they cannot be removed or added midway, even following a come-out seven.
-- Solo play has no betting delay or forced rolls. In multiplayer, every
-  round gives players 10 seconds before the shooter may roll, with a public
-  last call at 3 seconds remaining. **Bets and removals remain open until
-  the actual roll.** Once eligible, the shooter has 60 seconds before the
-  dealer rolls for them. Only connected, non-sitting-out seats count.
-  Without live bets the table pauses. A second active player joining gives
-  the table a fresh 10-second window; additional wagers never extend it.
-- `autoroll` opts the player into a roll every 3 seconds while it is their
-  turn and they still have live bets. It respects multiplayer's 10-second
-  minimum and stops automatically once their bets finish. `stop` cancels
-  autoroll atomically and keeps them seated with their bets unchanged; a
-  second stop in manual mode uses the normal leave behavior.
-- These durations use the configured engine cadence through
-  `Manager.TickElapsed`; there are no independent timers or goroutines.
-  `betting_ticks` is not used by craps (other games retain their rules).
-- New arrivals enter at the tail of the queue. A made point retains the
-  shooter; seven-out rotates them to the tail. Sit-outs are skipped.
-  If a shooter departs, the next player completes the existing table hand;
-  points and bonus progress are not reset to grant free options.
-- Pass/come and bonus bets are contracts. Other bets and odds may be removed
-  with `unbet` (or all at once with `unbet all`) before the dice roll.
-  In manual mode `stop`/`sitout` wait for the player's
-  last live bet, not merely the next roll.
-- Disconnect forfeits live bets; shutdown/room eviction refunds outstanding
-  stakes. Failed settlements are reported as pending recovery, never as paid.
-  Like other casino games, table state is not persisted across restart:
-  the pending-stake wallet ledger provides recovery.
-
-## Implementation and verification
-
-`internal/casino/craps_rules.go` contains configuration, payout rules and the
-pure per-bet outcome function. `craps.go` handles phases, shooter order,
-bonus tracking, wallets and detached snapshots. Registration uses the existing
-`tableGame`/`tableCore` seam. `internal/game/render_craps.go` draws a dark-green boxed half-table, ON/OFF
-puck, and filled Fire/ATS number trackers. Pip dice honor `card_style` dark/light,
-ASCII/Unicode, and terminal color preferences. Command reminders follow the art.
-Each player gets a numbered-target wager summary after bets and rolls, and one
-consolidated, colored settlement (not a balance repeated after every wager).
-
-Tests cover all 36 line/come outcomes, payout examples, configurable odds,
-come-out working rules, bonus sequences, shooter rotation, deadlines, removal,
-queued departures, disconnect/shutdown, payout failure recovery, command target
-parsing, and rendering. Run `go test ./...` and
-`go test -race ./internal/casino ./internal/game ./internal/admin ./internal/validate`.
-
-## Follow-on variants (not implemented)
-
-Simplified, High Point, Crapless, New York, Die Rich and Diceless Craps require
-separate, explicit rules and acceptance tests; names alone are not adequate
-specifications because regional versions differ. Do not map them onto bank
-craps silently. Before adding each, pin its come-out/point rules, supported
-bets, payouts, commissions, odds limits and bonus eligibility. Diceless also
-needs an explicit card model (replacement vs. finite shoe, card mapping,
-shuffle policy, and card visuals). Preserve the shared wallet and queue
-lifecycle while isolating these outcome and random-source differences.