feat(packages): ludic.gear - kinds of kit with tiers bought flat through a purse port once the standing is there, the kind's item following, per-tier values and mults, stack limits, the hand and charges that burn by the game hour, facts for a tier bought and a charge run out, a save section by key

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/ludic.gear/state.ludic

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+# state.ludic - the level of each kind, the hand, each charge's units and whether it runs, the facts
+var gear__lv: []int = null
+var gear__hand: int = -1
+var gear__left: []float = null
+var gear__on: []bool = null
+var gear__q: Queue<GearFact> = null
+
+function gear__ensure() -> void {
+  if gear__lv != null { return }
+  gear__lv = new []int
+  for k in 0 .. GEAR_COUNT { push(gear__lv, GearKinds[k].start) }
+  gear__left = new []float
+  gear__on = new []bool
+  for c in 0 .. CHARGE_COUNT {
+    push(gear__left, GearCharges[c].full)
+    push(gear__on, false)
+  }
+}
+
+export function gear_facts() -> Queue<GearFact> {
+  if gear__q == null { gear__q = queue_new("gear.facts") }
+  return gear__q
+}
+
+function gear__fact(what: int, k: int, c: int, cost: int) -> void {
+  let f = new GearFact
+  f.what = what
+  f.cost = cost
+  f.kind = k
+  f.charge = c
+  if k >= 0 {
+    f.level = gear__lv[k]
+    f.item = GearKinds[k].item
+  }
+  if c >= 0 { f.item = GearCharges[c].item }
+  q_push(gear_facts(), f)
+}