Card wave 2: durations, doors, teleports, modifiers; harden room auth

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Duration system: sustained effects expire at the start of the caster's
turns; SLOW (movement 1, no number cards, attack every other turn),
NO SPELL, MEDUSA (paralysis + damage immunity), INVISIBLE (1-in-4 hit
roll), SHRINK (50% miss, movement 2). Doors: PICK LOCK and MASTER KEY
(displayed, reusable) unlock adjacent doors until end of turn, REMOVE
LOCK is permanent, JAM LOCK seals a door for everyone. Movement:
TELEPORT (4 spaces through walls, ends movement), PASS THROUGH WALL
charges, POWER RUN (life for spaces), SWAP (consumes movement),
GO AWAY (knockback + lost turn), TELEPORT OPPONENT. Card warfare:
CARD ERASURE (named), THOUGHT-STEAL (2 random via seeded RNG),
TELEPATH (private hand reveal), POWER DRAIN (damage feeds the caster),
SUDDEN DEATH, STONE DEAD, WIZARDBLADE (same-square, number-powered,
stays displayed). Cast modifiers: AMPLIFY doubles power/duration
(stackable x2), ADD permits two number cards, EXTEND doubles duration;
REVERSE heals instead of harms but keeps secondary effects. Counters
now also halve durations (BLUNT) and split them (REFLECTION).

Security (from review findings): room codes and game seeds now come
from node:crypto, and every seat gets a secret token — reclaiming a
name in a room requires its token, closing the impersonation hole.

29 cards implemented; 51 tests passing.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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This commit is contained in:

Eric Wagoner

2026-08-15 20:04:44 -04:00

co-authored by Claude Fable 5

parent 36b3ffe9a6

commit 67743dd17e

6 changed files with 1272 additions and 192 deletions

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packages/engine/src/game.ts

+816 -178

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