Episode 2 — React Frontend Architecture NextJS / 2.12 — Server State and API Integration

2.12 — Interview Questions: Server State & API Integration

Maps to 2.12.a–2.12.e

Beginner — Q1

Why use AbortController with fetch in useEffect?

Model answer: To cancel in-flight requests when dependencies change or the component unmounts, preventing setState on unmounted components and wrong-order responses.

Beginner — Q2

What is server state?

Model answer: Data owned by remote systems—async, can fail, may be stale; it should be cached, deduped, and reconciled differently than UI toggles.

Intermediate — Q3

What problem does TanStack Query solve?

Model answer: It centralizes server-state caching, deduplication, background refetching, retries, and mutation coordination so components stay thin.

Intermediate — Q4

What makes a good query key?

Model answer: A stable tuple including every input that changes the result—ids, filters, locale—avoiding accidental cache collisions.

Intermediate — Q5

invalidateQueries vs setQueryData?

Model answer: Invalidate marks queries stale and triggers refetch—simple; setQueryData surgically updates cache—fast but requires correct merging discipline.

Advanced — Q6

When are optimistic updates appropriate?

Model answer: When perceived latency matters, conflicts are rare or mergeable, and you can rollback on failure without corrupting user trust.

Quick-fire

#	Topic	One-line
1	fetch + effect	always pair with abort/cleanup
2	staleTime	controls freshness vs refetch
3	gcTime	retains unused cache entries
4	useQuery	declarative read hook
5	useMutation	writes + side effects
6	queryKey	cache identity

Rapid cards

RC001

Prompt: Design fetch/cache/mutation for scenario 1.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC002

Prompt: Design fetch/cache/mutation for scenario 2.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC003

Prompt: Design fetch/cache/mutation for scenario 3.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC004

Prompt: Design fetch/cache/mutation for scenario 4.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC005

Prompt: Design fetch/cache/mutation for scenario 5.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC006

Prompt: Design fetch/cache/mutation for scenario 6.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC007

Prompt: Design fetch/cache/mutation for scenario 7.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC008

Prompt: Design fetch/cache/mutation for scenario 8.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC009

Prompt: Design fetch/cache/mutation for scenario 9.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC010

Prompt: Design fetch/cache/mutation for scenario 10.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC011

Prompt: Design fetch/cache/mutation for scenario 11.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC012

Prompt: Design fetch/cache/mutation for scenario 12.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC013

Prompt: Design fetch/cache/mutation for scenario 13.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC014

Prompt: Design fetch/cache/mutation for scenario 14.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC015

Prompt: Design fetch/cache/mutation for scenario 15.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC016

Prompt: Design fetch/cache/mutation for scenario 16.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC017

Prompt: Design fetch/cache/mutation for scenario 17.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC018

Prompt: Design fetch/cache/mutation for scenario 18.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC019

Prompt: Design fetch/cache/mutation for scenario 19.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC020

Prompt: Design fetch/cache/mutation for scenario 20.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC021

Prompt: Design fetch/cache/mutation for scenario 21.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC022

Prompt: Design fetch/cache/mutation for scenario 22.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC023

Prompt: Design fetch/cache/mutation for scenario 23.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC024

Prompt: Design fetch/cache/mutation for scenario 24.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC025

Prompt: Design fetch/cache/mutation for scenario 25.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC026

Prompt: Design fetch/cache/mutation for scenario 26.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC027

Prompt: Design fetch/cache/mutation for scenario 27.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC028

Prompt: Design fetch/cache/mutation for scenario 28.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC029

Prompt: Design fetch/cache/mutation for scenario 29.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC030

Prompt: Design fetch/cache/mutation for scenario 30.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC031

Prompt: Design fetch/cache/mutation for scenario 31.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC032

Prompt: Design fetch/cache/mutation for scenario 32.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC033

Prompt: Design fetch/cache/mutation for scenario 33.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC034

Prompt: Design fetch/cache/mutation for scenario 34.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC035

Prompt: Design fetch/cache/mutation for scenario 35.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC036

Prompt: Design fetch/cache/mutation for scenario 36.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC037

Prompt: Design fetch/cache/mutation for scenario 37.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC038

Prompt: Design fetch/cache/mutation for scenario 38.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC039

Prompt: Design fetch/cache/mutation for scenario 39.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC040

Prompt: Design fetch/cache/mutation for scenario 40.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC041

Prompt: Design fetch/cache/mutation for scenario 41.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC042

Prompt: Design fetch/cache/mutation for scenario 42.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC043

Prompt: Design fetch/cache/mutation for scenario 43.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC044

Prompt: Design fetch/cache/mutation for scenario 44.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC045

Prompt: Design fetch/cache/mutation for scenario 45.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC046

Prompt: Design fetch/cache/mutation for scenario 46.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC047

Prompt: Design fetch/cache/mutation for scenario 47.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC048

Prompt: Design fetch/cache/mutation for scenario 48.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC049

Prompt: Design fetch/cache/mutation for scenario 49.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC050

Prompt: Design fetch/cache/mutation for scenario 50.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC051

Prompt: Design fetch/cache/mutation for scenario 51.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC052

Prompt: Design fetch/cache/mutation for scenario 52.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC053

Prompt: Design fetch/cache/mutation for scenario 53.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC054

Prompt: Design fetch/cache/mutation for scenario 54.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC055

Prompt: Design fetch/cache/mutation for scenario 55.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC056

Prompt: Design fetch/cache/mutation for scenario 56.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC057

Prompt: Design fetch/cache/mutation for scenario 57.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC058

Prompt: Design fetch/cache/mutation for scenario 58.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC059

Prompt: Design fetch/cache/mutation for scenario 59.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC060

Prompt: Design fetch/cache/mutation for scenario 60.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC061

Prompt: Design fetch/cache/mutation for scenario 61.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC062

Prompt: Design fetch/cache/mutation for scenario 62.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC063

Prompt: Design fetch/cache/mutation for scenario 63.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC064

Prompt: Design fetch/cache/mutation for scenario 64.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC065

Prompt: Design fetch/cache/mutation for scenario 65.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC066

Prompt: Design fetch/cache/mutation for scenario 66.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC067

Prompt: Design fetch/cache/mutation for scenario 67.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC068

Prompt: Design fetch/cache/mutation for scenario 68.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC069

Prompt: Design fetch/cache/mutation for scenario 69.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC070

Prompt: Design fetch/cache/mutation for scenario 70.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC071

Prompt: Design fetch/cache/mutation for scenario 71.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC072

Prompt: Design fetch/cache/mutation for scenario 72.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC073

Prompt: Design fetch/cache/mutation for scenario 73.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC074

Prompt: Design fetch/cache/mutation for scenario 74.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC075

Prompt: Design fetch/cache/mutation for scenario 75.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC076

Prompt: Design fetch/cache/mutation for scenario 76.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC077

Prompt: Design fetch/cache/mutation for scenario 77.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC078

Prompt: Design fetch/cache/mutation for scenario 78.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC079

Prompt: Design fetch/cache/mutation for scenario 79.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC080

Prompt: Design fetch/cache/mutation for scenario 80.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC081

Prompt: Design fetch/cache/mutation for scenario 81.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC082

Prompt: Design fetch/cache/mutation for scenario 82.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC083

Prompt: Design fetch/cache/mutation for scenario 83.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC084

Prompt: Design fetch/cache/mutation for scenario 84.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC085

Prompt: Design fetch/cache/mutation for scenario 85.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC086

Prompt: Design fetch/cache/mutation for scenario 86.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC087

Prompt: Design fetch/cache/mutation for scenario 87.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC088

Prompt: Design fetch/cache/mutation for scenario 88.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC089

Prompt: Design fetch/cache/mutation for scenario 89.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC090

Prompt: Design fetch/cache/mutation for scenario 90.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC091

Prompt: Design fetch/cache/mutation for scenario 91.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC092

Prompt: Design fetch/cache/mutation for scenario 92.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC093

Prompt: Design fetch/cache/mutation for scenario 93.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC094

Prompt: Design fetch/cache/mutation for scenario 94.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC095

Prompt: Design fetch/cache/mutation for scenario 95.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC096

Prompt: Design fetch/cache/mutation for scenario 96.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC097

Prompt: Design fetch/cache/mutation for scenario 97.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC098

Prompt: Design fetch/cache/mutation for scenario 98.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC099

Prompt: Design fetch/cache/mutation for scenario 99.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC100

Prompt: Design fetch/cache/mutation for scenario 100.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC101

Prompt: Design fetch/cache/mutation for scenario 101.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC102

Prompt: Design fetch/cache/mutation for scenario 102.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC103

Prompt: Design fetch/cache/mutation for scenario 103.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC104

Prompt: Design fetch/cache/mutation for scenario 104.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC105

Prompt: Design fetch/cache/mutation for scenario 105.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC106

Prompt: Design fetch/cache/mutation for scenario 106.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC107

Prompt: Design fetch/cache/mutation for scenario 107.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC108

Prompt: Design fetch/cache/mutation for scenario 108.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC109

Prompt: Design fetch/cache/mutation for scenario 109.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC110

Prompt: Design fetch/cache/mutation for scenario 110.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC111

Prompt: Design fetch/cache/mutation for scenario 111.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC112

Prompt: Design fetch/cache/mutation for scenario 112.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC113

Prompt: Design fetch/cache/mutation for scenario 113.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC114

Prompt: Design fetch/cache/mutation for scenario 114.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC115

Prompt: Design fetch/cache/mutation for scenario 115.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC116

Prompt: Design fetch/cache/mutation for scenario 116.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC117

Prompt: Design fetch/cache/mutation for scenario 117.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC118

Prompt: Design fetch/cache/mutation for scenario 118.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC119

Prompt: Design fetch/cache/mutation for scenario 119.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC120

Prompt: Design fetch/cache/mutation for scenario 120.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC121

Prompt: Design fetch/cache/mutation for scenario 121.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC122

Prompt: Design fetch/cache/mutation for scenario 122.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC123

Prompt: Design fetch/cache/mutation for scenario 123.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC124

Prompt: Design fetch/cache/mutation for scenario 124.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC125

Prompt: Design fetch/cache/mutation for scenario 125.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC126

Prompt: Design fetch/cache/mutation for scenario 126.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC127

Prompt: Design fetch/cache/mutation for scenario 127.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC128

Prompt: Design fetch/cache/mutation for scenario 128.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC129

Prompt: Design fetch/cache/mutation for scenario 129.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC130

Prompt: Design fetch/cache/mutation for scenario 130.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC131

Prompt: Design fetch/cache/mutation for scenario 131.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC132

Prompt: Design fetch/cache/mutation for scenario 132.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC133

Prompt: Design fetch/cache/mutation for scenario 133.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC134

Prompt: Design fetch/cache/mutation for scenario 134.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC135

Prompt: Design fetch/cache/mutation for scenario 135.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC136

Prompt: Design fetch/cache/mutation for scenario 136.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC137

Prompt: Design fetch/cache/mutation for scenario 137.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC138

Prompt: Design fetch/cache/mutation for scenario 138.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC139

Prompt: Design fetch/cache/mutation for scenario 139.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC140

Prompt: Design fetch/cache/mutation for scenario 140.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC141

Prompt: Design fetch/cache/mutation for scenario 141.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC142

Prompt: Design fetch/cache/mutation for scenario 142.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC143

Prompt: Design fetch/cache/mutation for scenario 143.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC144

Prompt: Design fetch/cache/mutation for scenario 144.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC145

Prompt: Design fetch/cache/mutation for scenario 145.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC146

Prompt: Design fetch/cache/mutation for scenario 146.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC147

Prompt: Design fetch/cache/mutation for scenario 147.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC148

Prompt: Design fetch/cache/mutation for scenario 148.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC149

Prompt: Design fetch/cache/mutation for scenario 149.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC150

Prompt: Design fetch/cache/mutation for scenario 150.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC151

Prompt: Design fetch/cache/mutation for scenario 151.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC152

Prompt: Design fetch/cache/mutation for scenario 152.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC153

Prompt: Design fetch/cache/mutation for scenario 153.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC154

Prompt: Design fetch/cache/mutation for scenario 154.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC155

Prompt: Design fetch/cache/mutation for scenario 155.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC156

Prompt: Design fetch/cache/mutation for scenario 156.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC157

Prompt: Design fetch/cache/mutation for scenario 157.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC158

Prompt: Design fetch/cache/mutation for scenario 158.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC159

Prompt: Design fetch/cache/mutation for scenario 159.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC160

Prompt: Design fetch/cache/mutation for scenario 160.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC161

Prompt: Design fetch/cache/mutation for scenario 161.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC162

Prompt: Design fetch/cache/mutation for scenario 162.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC163

Prompt: Design fetch/cache/mutation for scenario 163.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC164

Prompt: Design fetch/cache/mutation for scenario 164.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC165

Prompt: Design fetch/cache/mutation for scenario 165.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC166

Prompt: Design fetch/cache/mutation for scenario 166.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC167

Prompt: Design fetch/cache/mutation for scenario 167.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC168

Prompt: Design fetch/cache/mutation for scenario 168.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC169

Prompt: Design fetch/cache/mutation for scenario 169.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC170

Prompt: Design fetch/cache/mutation for scenario 170.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC171

Prompt: Design fetch/cache/mutation for scenario 171.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC172

Prompt: Design fetch/cache/mutation for scenario 172.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC173

Prompt: Design fetch/cache/mutation for scenario 173.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC174

Prompt: Design fetch/cache/mutation for scenario 174.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC175

Prompt: Design fetch/cache/mutation for scenario 175.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC176

Prompt: Design fetch/cache/mutation for scenario 176.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC177

Prompt: Design fetch/cache/mutation for scenario 177.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC178

Prompt: Design fetch/cache/mutation for scenario 178.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC179

Prompt: Design fetch/cache/mutation for scenario 179.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC180

Prompt: Design fetch/cache/mutation for scenario 180.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC181

Prompt: Design fetch/cache/mutation for scenario 181.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC182

Prompt: Design fetch/cache/mutation for scenario 182.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC183

Prompt: Design fetch/cache/mutation for scenario 183.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC184

Prompt: Design fetch/cache/mutation for scenario 184.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC185

Prompt: Design fetch/cache/mutation for scenario 185.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC186

Prompt: Design fetch/cache/mutation for scenario 186.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC187

Prompt: Design fetch/cache/mutation for scenario 187.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC188

Prompt: Design fetch/cache/mutation for scenario 188.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC189

Prompt: Design fetch/cache/mutation for scenario 189.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC190

Prompt: Design fetch/cache/mutation for scenario 190.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC191

Prompt: Design fetch/cache/mutation for scenario 191.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC192

Prompt: Design fetch/cache/mutation for scenario 192.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC193

Prompt: Design fetch/cache/mutation for scenario 193.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC194

Prompt: Design fetch/cache/mutation for scenario 194.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC195

Prompt: Design fetch/cache/mutation for scenario 195.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC196

Prompt: Design fetch/cache/mutation for scenario 196.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC197

Prompt: Design fetch/cache/mutation for scenario 197.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC198

Prompt: Design fetch/cache/mutation for scenario 198.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC199

Prompt: Design fetch/cache/mutation for scenario 199.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

RC200

Prompt: Design fetch/cache/mutation for scenario 200.
Skeleton: classify server vs client, pick query keys, define loading/error/success.

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