Hide Pinwheel Clause rule toggle for games without pinwheel zones

Fetches routes for the selected game during run creation and hides
the Pinwheel Clause option when no routes have pinwheel zone data.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.beans/nuzlocke-tracker-v04g--hide-pinwheel-clause-when-game-has-no-pinwheel-zon.md

@@ -1,10 +1,11 @@
 ---
 # nuzlocke-tracker-v04g
 title: Hide Pinwheel Clause when game has no pinwheel zones
-status: todo
+status: completed
 type: bug
+priority: normal
 created_at: 2026-02-07T21:08:27Z
-updated_at: 2026-02-07T21:08:27Z
+updated_at: 2026-02-08T09:37:48Z
 ---
 
 The Pinwheel Clause rule option is currently shown for all games, even those that have no locations using pinwheel zones (i.e. no routes with pinwheel_zone IDs). It should only be displayed when the selected game actually has routes with pinwheel zone data.

frontend/src/components/RulesConfiguration.tsx

@@ -6,15 +6,20 @@ interface RulesConfigurationProps {
   rules: NuzlockeRules
   onChange: (rules: NuzlockeRules) => void
   onReset?: () => void
+  hiddenRules?: Set<keyof NuzlockeRules>
 }
 
 export function RulesConfiguration({
   rules,
   onChange,
   onReset,
+  hiddenRules,
 }: RulesConfigurationProps) {
-  const coreRules = RULE_DEFINITIONS.filter((r) => r.category === 'core')
+  const visibleRules = hiddenRules
-  const difficultyRules = RULE_DEFINITIONS.filter(
+    ? RULE_DEFINITIONS.filter((r) => !hiddenRules.has(r.key))
+    : RULE_DEFINITIONS
+  const coreRules = visibleRules.filter((r) => r.category === 'core')
+  const difficultyRules = visibleRules.filter(
     (r) => r.category === 'difficulty'
   )
 
@@ -27,8 +32,8 @@ export function RulesConfiguration({
     onReset?.()
   }
 
-  const enabledCount = Object.values(rules).filter(Boolean).length
+  const enabledCount = visibleRules.filter((r) => rules[r.key]).length
-  const totalCount = Object.keys(rules).length
+  const totalCount = visibleRules.length
 
   return (
     <div className="space-y-6">

frontend/src/pages/NewRun.tsx

@@ -1,10 +1,11 @@
-import { useState } from 'react'
+import { useMemo, useState } from 'react'
 import { useNavigate } from 'react-router-dom'
 import { GameGrid, RulesConfiguration, StepIndicator } from '../components'
-import { useGames } from '../hooks/useGames'
+import { useGames, useGameRoutes } from '../hooks/useGames'
 import { useCreateRun, useRuns } from '../hooks/useRuns'
 import type { Game, NuzlockeRules } from '../types'
 import { DEFAULT_RULES } from '../types'
+import { RULE_DEFINITIONS } from '../types/rules'
 
 const DEFAULT_COLOR = '#6366f1'
 
@@ -18,6 +19,16 @@ export function NewRun() {
   const [selectedGame, setSelectedGame] = useState<Game | null>(null)
   const [rules, setRules] = useState<NuzlockeRules>(DEFAULT_RULES)
   const [runName, setRunName] = useState('')
+  const { data: routes } = useGameRoutes(selectedGame?.id ?? null)
+
+  const hiddenRules = useMemo(() => {
+    const hidden = new Set<keyof NuzlockeRules>()
+    const hasPinwheelZones = routes?.some((r) => r.pinwheelZone != null)
+    if (!hasPinwheelZones) {
+      hidden.add('pinwheelClause')
+    }
+    return hidden.size > 0 ? hidden : undefined
+  }, [routes])
 
   const handleGameSelect = (game: Game) => {
     if (selectedGame?.id === game.id) {
@@ -38,8 +49,11 @@ export function NewRun() {
     )
   }
 
-  const enabledRuleCount = Object.values(rules).filter(Boolean).length
+  const visibleRuleKeys = RULE_DEFINITIONS
-  const totalRuleCount = Object.keys(rules).length
+    .filter((r) => !hiddenRules?.has(r.key))
+    .map((r) => r.key)
+  const enabledRuleCount = visibleRuleKeys.filter((k) => rules[k]).length
+  const totalRuleCount = visibleRuleKeys.length
 
   return (
     <div className="max-w-4xl mx-auto p-8">
@@ -121,7 +135,7 @@ export function NewRun() {
 
       {step === 2 && (
         <div>
-          <RulesConfiguration rules={rules} onChange={setRules} />
+          <RulesConfiguration rules={rules} onChange={setRules} hiddenRules={hiddenRules} />
 
           <div className="mt-6 flex justify-between">
             <button