Wire the Tleilaxu Ambassador force return

The last unimplemented Ambassador effect is now reachable. A placed Tleilaxu
token gives its beneficiary — the Ecaz owner or its ally — a private
ecazAmbassador decision at the new revival stage: one to four physical counters
return from the Tanks to reserves at zero cost, quoted by the existing
game/tleilaxu-ambassador-forces.ts, which also enforces the shared
Fedaykin/Sardaukar one-per-turn counter and keeps Ixian cyborgs uncapped.

The player view projects the maximum, Tanks and elite inventory and current
elite usage to the beneficiary only; the entry control offers a per-count
button and an explicit "Return no forces" decline; all four AI profiles choose
a legal return from the decision owner's own view or decline when the Tanks are
empty. Player-facing coverage text now lists Tleilaxu.

Kept gated exactly as recorded: the printed leader alternative, ordinary
force/free/leader allowance accounting around this independent grant,
dead-twice eligibility, and Tleilaxu free-income repeat scope. No ordinary
revival allowance, price, phase or income path changes.

Evidence: tests/tleilaxu-ambassador-engine.test.ts drives a genuine arrival into
a placed token and asserts the beneficiary-only projection, the typed return
with unchanged spice, the shared elite limit, malformed/over-maximum rejection
with immutability, the ordinary-only return, the decline path and the rendered
control. The four-profile ecaz-entry-bots loop now covers tleilaxu, and the
former unsupported-effect and copy-list pins were updated to the supported
behaviour rather than re-pinned. Offline suite 7,797/7,797 with typecheck and
lint clean. No game, seat, saved state or deployment changes.

tests/ecaz-entry-bots.test.ts

@@ -123,6 +123,7 @@ void test('all four profiles legally resolve each supported ordinary effect from
       'harkonnen',
       'choam',
       'ixians',
+      'tleilaxu',
     ] as const) {
       const initial = enter(fixture(effect));
       for (const id of ['entrant', 'ally'])
@@ -166,19 +167,22 @@ void test('all four profiles legally resolve each supported ordinary effect from
     }
 });
 
-void test('unsupported effects are explicitly declined without consuming the placed token at every difficulty', () => {
-  for (const difficulty of DIFFICULTIES)
-    for (const effect of ['tleilaxu'] as const) {
-      const entered = enter(fixture(effect));
-      const { action, next } = choose(entered, difficulty);
-      assert.equal(action.decline, true);
-      assert.equal(next.pendingAmbassador, null);
-      assert.equal(
-        next.ecazAmbassadors!.tokens.find((t) => t.effect === effect)!.zone,
-        'placed',
-      );
-      assert.equal(next.players[0].spice, 10);
-    }
+void test('the Tleilaxu force return is offered and declined when the beneficiary has nothing in the Tanks', () => {
+  for (const difficulty of DIFFICULTIES) {
+    const entered = enter(fixture('tleilaxu'));
+    const offered = choose(entered, difficulty).next;
+    assert.equal(offered.pendingAmbassador?.stage, 'revival');
+    assert.equal(offered.decision?.kind, 'ecazAmbassador');
+    const { action, next } = choose(offered, difficulty);
+    assert.equal(action.decline, true);
+    assert.equal(next.pendingAmbassador, null);
+    assert.equal(
+      next.ecazAmbassadors!.tokens.find((t) => t.effect === 'tleilaxu')!.zone,
+      'used',
+    );
+    assert.equal(next.players[0].spice, 10);
+    assert.equal(next.players[0].tanks, 0);
+  }
 });
 
 void test('Bene Gesserit copies choose only supported projected effects and complete without another acknowledgement', () => {