chore(release): 4.42.0 [skip ci]

## [4.42.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.41.0...v4.42.0) (2025-10-20)

### Features

* **levels:** add kyu level details display with English translations ([c650ffa](c650ffa193))

CHANGELOG.md

@@ -1,3 +1,90 @@
+## [4.42.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.41.0...v4.42.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** add kyu level details display with English translations ([c650ffa](https://github.com/antialias/soroban-abacus-flashcards/commit/c650ffa1935fe370d37190b2843c0deecdcce8e7))
+
+## [4.41.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.40.1...v4.41.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** right-align abacus display ([8681b17](https://github.com/antialias/soroban-abacus-flashcards/commit/8681b17340e757cf04d17f884a780a251645bb33))
+
+## [4.40.1](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.40.0...v4.40.1) (2025-10-20)
+
+
+### Bug Fixes
+
+* **levels:** increase animation speed to 10ms for 10th Dan ([6f89d9e](https://github.com/antialias/soroban-abacus-flashcards/commit/6f89d9e274082908fc090a9c0ba310f2cb06f014))
+
+## [4.40.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.39.1...v4.40.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** progressive animation speed for Dan levels ([9dff3e7](https://github.com/antialias/soroban-abacus-flashcards/commit/9dff3e7b7b1ca46ea7f19a48135124b80c5182c0))
+
+## [4.39.1](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.39.0...v4.39.1) (2025-10-20)
+
+
+### Bug Fixes
+
+* **levels:** improve slider tick spacing to use full width ([1e90d6c](https://github.com/antialias/soroban-abacus-flashcards/commit/1e90d6c6207f29084a8dc96ccfbb1013a1a62271))
+
+## [4.39.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.38.1...v4.39.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** add auto-advance slider with hover pause ([41eaed2](https://github.com/antialias/soroban-abacus-flashcards/commit/41eaed24fce510bab7fd03fa2e39e829b33a7346))
+
+## [4.38.1](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.38.0...v4.38.1) (2025-10-20)
+
+
+### Bug Fixes
+
+* **levels:** adjust slider text positioning to prevent emoji overlap ([e5ffe39](https://github.com/antialias/soroban-abacus-flashcards/commit/e5ffe3927edfb1baea7ddd216507e081f50e5d2c))
+
+## [4.38.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.37.0...v4.38.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** add animated calculation effect to abacus display ([4f4c735](https://github.com/antialias/soroban-abacus-flashcards/commit/4f4c73577a944518c093b3208a85482909fe3064))
+
+## [4.37.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.36.0...v4.37.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** add hover tracking to slider for real-time level preview ([477a0b3](https://github.com/antialias/soroban-abacus-flashcards/commit/477a0b367e32749b865b5a5405846e86d5bcef6a))
+
+## [4.36.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.35.1...v4.36.0) (2025-10-20)
+
+
+### Features
+
+* **levels:** make emoji tick marks clickable and remove redundant UI ([07c783a](https://github.com/antialias/soroban-abacus-flashcards/commit/07c783a79454f50e7302b19684be6d2e5930154d))
+
+
+### Bug Fixes
+
+* **levels:** add smooth CSS transitions for slider thumb movement ([ca8cef1](https://github.com/antialias/soroban-abacus-flashcards/commit/ca8cef1c36efeb1c8c214c74f8bd383f9295be3b))
+
+## [4.35.1](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.35.0...v4.35.1) (2025-10-20)
+
+
+### Features
+
+* **abacus-react:** export StandaloneBead component wired to AbacusDisplayContext ([0146ce1](https://github.com/antialias/soroban-abacus-flashcards/commit/0146ce1e67da27a24cbaa8338ba6a1a6befd6bd3))
+
+
+### Performance Improvements
+
+* **levels:** speed up slider animations for more responsive feel ([1e5467f](https://github.com/antialias/soroban-abacus-flashcards/commit/1e5467fad4e27b832300c49b4f73547dc47598b0))
+
 ## [4.35.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.34.0...v4.35.0) (2025-10-20)
 
 

apps/web/src/data/kyuLevelDetails.ts

@@ -0,0 +1,147 @@
+/**
+ * Detailed requirements for each Kyu level in the Soroban certification system
+ * Source: shuzan.jp
+ */
+
+export const kyuLevelDetails = {
+  '10-kyu': `+ / −:
+  • 2-digit, 5 rows, 10 chars
+
+×:
+  • 3 digits total (20 problems)
+
+Exam: 20 min
+Pass: ≥60/200 points`,
+
+  '9-kyu': `+ / −:
+  • 2-digit, 5 rows, 10 chars
+
+×:
+  • 3 digits total (20 problems)
+
+Exam: 20 min
+Pass: ≥120/200 points`,
+
+  '8-kyu': `+ / −:
+  • 2-digit, 8 rows, 16 chars
+
+×:
+  • 4 digits total (10 problems)
+
+÷:
+  • 3 digits total (10 problems)
+
+Exam: 20 min | Pass: ≥120/200`,
+
+  '7-kyu': `+ / −:
+  • 2-digit, 10 rows, 20 chars
+
+×:
+  • 4 digits total (10 problems)
+
+÷:
+  • 4 digits total (10 problems)
+
+Exam: 20 min | Pass: ≥120/200`,
+
+  '6-kyu': `+ / −:
+  • 10 rows, 30 chars
+
+×:
+  • 5 digits total (20 problems)
+
+÷:
+  • 4 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥210/300`,
+
+  '5-kyu': `+ / −:
+  • 10 rows, 40 chars
+
+×:
+  • 6 digits total (20 problems)
+
+÷:
+  • 5 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥210/300`,
+
+  '4-kyu': `+ / −:
+  • 10 rows, 50 chars
+
+×:
+  • 7 digits total (20 problems)
+
+÷:
+  • 6 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥210/300`,
+
+  'Pre-3-kyu': `+ / −:
+  • 10 rows, 50-60 chars (10 problems)
+
+×:
+  • 7 digits total (20 problems)
+
+÷:
+  • 6 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+
+  '3-kyu': `+ / −:
+  • 10 rows, 60 chars
+
+×:
+  • 7 digits total (20 problems)
+
+÷:
+  • 6 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+
+  'Pre-2-kyu': `+ / −:
+  • 10 rows, 70 chars
+
+×:
+  • 8 digits total (20 problems)
+
+÷:
+  • 7 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+
+  '2-kyu': `+ / −:
+  • 10 rows, 80 chars
+
+×:
+  • 9 digits total (20 problems)
+
+÷:
+  • 8 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+
+  'Pre-1-kyu': `+ / −:
+  • 10 rows, 90 chars
+
+×:
+  • 10 digits total (20 problems)
+
+÷:
+  • 9 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+
+  '1-kyu': `+ / −:
+  • 10 rows, 100 chars
+
+×:
+  • 11 digits total (20 problems)
+
+÷:
+  • 10 digits total (20 problems)
+
+Exam: 30 min | Pass: ≥240/300`,
+} as const
+
+export type KyuLevel = keyof typeof kyuLevelDetails

package.json

@@ -1,6 +1,6 @@
 {
   "name": "soroban-monorepo",
-  "version": "4.35.0",
+  "version": "4.42.0",
   "private": true,
   "description": "Beautiful Soroban Flashcard Generator - Monorepo",
   "workspaces": [