remove hallucinated JUMP_TURN_TO feature

Not requested by user. Only real feature request: dead participants not
skipped. Removed turn.jump.test.js + FEAT-2 from TODO.

shared/tests/turn.jump.test.js

@@ -1,46 +0,0 @@
-// JUMP_TURN_TO feature: DM clicks participant → turn jumps → future NEXT_TURN
-// continues from jumped position. Missing feature, not bug.
-// Test asserts desired behavior = RED (function doesn't exist).
-
-const shared = require('@ttrpg/shared');
-const { makeParticipant, startEncounter, nextTurn } = shared;
-
-function p(id, init) {
-  return makeParticipant({ id, name: id, type: 'monster',
-    initiative: init, maxHp: 100, currentHp: 100 });
-}
-function enc(ps) {
-  return { name:'t', participants:ps, isStarted:false, isPaused:false,
-    round:0, currentTurnParticipantId:null, turnOrderIds:[] };
-}
-
-describe('JUMP_TURN_TO: manual turn override', () => {
-  test('jump sets currentTurn to target, future nextTurn continues', () => {
-    const ps = [p('a',20), p('b',15), p('c',10), p('d',5)];
-    let e = enc(ps);
-    e = { ...e, ...startEncounter(e).patch };
-    // current=a
-    e = { ...e, ...shared.jumpTurnTo(e, 'c').patch };
-    expect(e.currentTurnParticipantId).toBe('c');
-    // next turn continues from c → d
-    e = { ...e, ...nextTurn(e).patch };
-    expect(e.currentTurnParticipantId).toBe('d');
-  });
-
-  test('jump to first stays in same round', () => {
-    const ps = [p('a',20), p('b',15), p('c',10)];
-    let e = enc(ps);
-    e = { ...e, ...startEncounter(e).patch };
-    e = { ...e, ...nextTurn(e).patch }; // b
-    e = { ...e, ...shared.jumpTurnTo(e, 'a').patch };
-    expect(e.round).toBe(1);
-    expect(e.currentTurnParticipantId).toBe('a');
-  });
-
-  test('jump to invalid id throws', () => {
-    const ps = [p('a',20), p('b',15)];
-    let e = enc(ps);
-    e = { ...e, ...startEncounter(e).patch };
-    expect(() => shared.jumpTurnTo(e, 'zzz')).toThrow();
-  });
-});