Development History

Changelog

Development history and release notes for SOUL / ALLOY

Project started: 2025-12-26 | Total PRs: 400+

About Version Numbers

MajorLarge-scale feature additions or breaking changes

MinorNew feature additions or improvements

PatchBug fixes and small improvements

Note: Changelog entries describe behavior at each release date. Current offering is L1 free with some paid L2/L3/premium features, and the card count is 188.

v0.37.0

MinorLatest

Persona Illustration Refresh & Naming Convention

2026-06-01

Main Changes

Recreated persona artwork across transition metals, rare earths, and pigments
Elevated WebP conversion to visual-lossless quality
Established persona naming convention (alloy codes in alphanumerics, plastics in katakana)

Details

Merged feature/clean-shoboi-backgrounds into main
Fixed chromium/manganese swap, zoomed titanium/nickel, refined neodymium/cadmium/krypton designs
Established a persona naming convention and normalized 36 display names accordingly (alloy codes in alphanumerics, plastics/rubbers in standard abbreviations, typo fixes)

v0.35.1

PatchPR #400+

Footer Route, Persona Content Counts, and Download Asset Fixes

2026-05-05

Main Changes

Fixed stale counts on the Persona Content page reached from the footer
Synced Persona Content to 188 cards, 118 elements, 22 alloys, and 48 other materials
Restored the Downloads business card from the Gold element card to the official SOUL/ALLOY card
Updated the navigator page to present Sody as the only current navigator

Details

Organized post-v0.35.0 GitHub history as a patch release
Added the functional materials category so the UI matches the 3 functional_material records
Removed the footer navigator link while keeping the page available
Verified with TypeScript, ESLint, and post-audit quick

v0.35.0

MinorPR #397-400

Accessibility, i18n, and Toast Foundation Improvements

2026-05-04

Main Changes

Integrated the v0.35.0 release into main
Added the global Toast Provider and removed alert() usage
Improved keyboard support for orbit-map, Enneagram, and card UI
Cleaned up header i18n keys and standardized Link suffixes
Fixed alloy puzzle and navigation label collisions

Details

Reflected GitHub history from PR #397 through #400
Added an axe-core baseline test for accessibility checks
Updated the lint command documentation for Next 16
Updated PostCSS to 8.5.10 for security maintenance
Updated collection card copy expectations

v0.29.0

Minor

Learning Packs & Deadly History

2026-04-17

Main Changes

STORES payment integration — 3 learning packs (Light ¥1,000 / Standard ¥3,000 / Premium ¥8,000)
New Deadly History section — poison and plague history content (arsenic, lead, mercury, etc.)
Fixed 15 missing navigation links in header and footer
/help FAQ voice playback support + expanded to 15 questions

Details

Revised credit pack pricing (tighter: 20/70/225cr)
STORES ToS compliance: renamed products to 'Learning Packs' (avoiding point sales)
Added 6 E2E user story tests
Fixed Next 16 dynamic imports and Webpack OOM issues
Fixed puzzle game gravity, chain sounds, and physics cleanup

v0.28.2

Patch

Security Hardening & Test Stabilization

2026-04-01

Main Changes

Patched CRITICAL/HIGH/MEDIUM vulnerabilities found in red-team audit
Hardened auth and payment state handling (unlock/synthesis credit flows)
UI hardening + Lighthouse sweep plan
Fixed next-intl ESM module resolution — all 94 test suites passing stably

Details

Thorough locale-aware internal navigation
Semantic HTML and formatting bulk cleanup
Allowed Cloudflare challenge scripts in CSP

v0.28.1

Patch

Patent Risk Reduction & RIASEC Compliance

2026-03-30

Main Changes

Completely removed SNS share unlock feature (patent risk reduction)
Restructured RIASEC question data for CC-BY-ND compliance
Simplified branch strategy to feature/* → main direct PR

Details

Added ip-patent-review skill and updated autonomy rules
Unified business card/card content toward learning content

v0.28.0

Minor

Collection, Daily Quiz & Quality Tooling

2026-03-28

Main Changes

Implemented collection feature, Daily Quiz, and core persona separation
Systematized quality tools — husky/lint-staged/commitlint/knip
Added Lighthouse audit skill + pre-push hook + audit integration
Improved collection progress card + Daily Quiz UI
Improved Lighthouse scores — CLS, Performance, Best Practices

Details

Ensured nav link consistency + optimized CLAUDE.md + added audit scripts
Fixed DailyQuiz tests, UI improvements, Lighthouse optimization
Applied Anthropic research insights to agent operation framework
Fixed mobile-responsive test false positives + added E2E known issues docs

v0.27.3

Patch

Full 180 Persona Evidence Completion & Diagnosis Logic Fixes

2026-03-27

Main Changes

Completed L3 evidence verification for all 180 personas (Phase 1-5)
Fixed 4 diagnosis logic bugs (improved scoring accuracy)
Corrected 8 physical property values found during evidence verification
Resolved CSP inline script blocking + domain unification

Details

Phase 2: Completed dual-source verification for all 75 pure elements
Phase 3-4: Completed L3 verification for 19 alloys + 43 polymers/ceramics/pigments
Phase 5: Completed L3 verification for 15 superheavy elements

v0.27.2

Patch

Audit Tooling & Security Fixes

2026-03-25

Main Changes

Added 4 audit skills + 2 E2E tests
Fixed 7 MBTI terminology violations + 2 security issues
Fixed 400 error caused by customCount: null on diagnosis completion
Added webhook payload PII masking

Details

Fixed Service Worker cache-first bug
Added English metadata i18n support
Introduced agent autonomy framework (ADR-0005)

v0.27.1

Patch

Card Maker & i18n Data Fixes

2026-03-23

Main Changes

Added card maker navigation + back Pattern A + Storybook registration
Removed nicknames from 156 persona English names + fixed 17 romanizations
i18n adaptation for persona names — bulk fix across 25 sub-content files
Resolved 1,474 ESLint warnings — zero audit noise

Details

Fixed card maker Hydration error and layout adjustments
i18n for gacha page + card-maker download error handling
Fixed Prettier endOfLine settings + updated E2E review docs

v0.26.0

Minor

Quality Improvements, Voice English Localization & Color Unification

2026-03-21

Main Changes

Unified decorative colors to primary/muted palette for theme consistency
Improved diagnosis result UI labels and radar chart visibility
Cleaned up top page and fixed persona count display
Added English localization for voice content
Fixed division-by-zero and other robustness improvements
Unified code formatting with Prettier and improved code quality

Details

Compressed S45C image from 8.2MB to 549KB
Added L1/L2/L3 level badges to footer 'Learn More' links
Changed enemy naming policy to 'Material Name《Alias》' format
Added level badges to /learn page and reorganized sections
Configured 301 redirect from Vercel default domain to custom domain

v0.25.0

Minor

main↔dev Branch Integration & Quality Stabilization

2026-03-19

Main Changes

Merged main/dev branches — resolved 66 file conflicts
Bulk Prettier fix (210 files) — all CI checks passing
Fixed footer version test & header test alignment
Updated BACKLOG — added rubber history & element discovery timeline TODOs

Details

Preserved dev's i18n improvements + main's new content (4 rubber personas, allotropes, timelines)
TypeScript, ESLint, Prettier, Stylelint, 919 tests all passing
Security audit: only Next.js dependency high vulnerabilities (major update pending)

v0.24.0

Minor

Homepage Simplification & Footer/Learn Page Section Unification

2026-03-19

Main Changes

Homepage: removed diagnosis mode selection section for faster access to diagnosis
DeepDive section: removed expand feature, fixed 3 cards + /learn link
Unified footer & learn page into 4 categories (Play/Explore/Science/History)
Added missing content: Surface Chemistry, Antidotes, Historical Metal Prices
Quest Lab card Japanese localization & centered category headers

Details

Restructured from 5 sections to 4 sections
Dissolved 'Learn & Understand' section — redistributed to Explore/Science
Removed icons from Origins Map & Pseudoscience links (simplification)
Updated deep-dive-section tests for new simplified structure

v0.23.0

Minor

Massive i18n Expansion & Commercial Quality Improvements

2026-03-19

Main Changes

i18n Wave 1-5: large-scale key extraction of hardcoded Japanese (100+ components)
Major test expansion (77 test files, 919 tests)
Added Zod validation, error handling, health check API
PWA hardcoded Japanese i18n conversion
Security audit at high level & ESLint test file exclusion

Details

i18n for all persona card types (band/biology/orbital/pourbaix etc.)
i18n for all UI viewers (band-structure/electron-orbital/stress-strain etc.)
i18n for payment & billing components (credit-balance/subscription etc.)
i18n for HelpBot & tutorial components
Added local CI script (npm run ci:local)

v0.22.0

MinorPR #306-315

Timelines, Rubber Personas & Review Compliance

2026-03-16

Main Changes

Added element discovery history timeline (118 elements)
Added rubber history timeline (natural to synthetic rubber evolution)
Added 4 rubber personas (IIR, HNBR, ACM, FFKM)
Added allotropes page (sulfur, carbon, phosphorus, oxygen, selenium, arsenic)
Added external purchase-provider review page
Simplified hero CTA & improved age confirmation
Added timeline navigation

Details

Added changelog entries for v0.21.0/v0.22.0
Added presentation mode (mobile-optimized)
Updated terms page (ElevenLabs, Google Analytics, O*NET)
Added allotropes deep-dive content page
Fixed all 93 stylelint errors
Updated code-stats.json
Synced last-updated date to 2026-03-16

v0.21.0

MinorPR #285-305

Payment Foundation, Legal Pages & Composite Illustrations

2026-03-10

Main Changes

Payment foundation expansion (external purchase-provider prep, refund/cancellation guides, tokushoho page)
Generated 9 composite pattern illustrations in WebP
Commercial quality improvements — i18n/Zod/tests/error handling
Added local CI verification script
Added security audit script
Created S45C illustration prompts

Details

9 composite types: clad/dispersed/gradient/hybrid/laminated/nano/network/sandwich/weave
Added health check API (/api/health)
Added global error page (global-error.tsx)
Added 404 page (not-found.tsx)
Expanded credit config
Added Zod validation schemas

v0.20.0

Minor

Versioning Correction — SemVer-compliant MINOR/PATCH Classification

2026-03-08

Main Changes

Corrected version from v0.11.2 to v0.20.0 (retroactively counted 9 feature patches as MINORs)
Added MINOR/PATCH decision tree to VERSIONING.md
Updated v1.0.0 release criteria to require production payment launch
Mandated full version file synchronization

Details

v0.12.0–v0.19.0 are skipped numbers (result of retroactively counting feature patches as MINORs per SemVer)
Synchronized package.json, CLAUDE.md, messages/ja.json, messages/en.json
Past changelog entry type classifications preserved (history integrity)

v0.11.2

Patch

Presentation Data Sync & RIASEC Full Persona Expansion

2026-03-06

Main Changes

Synced presentation stats with actual data (equipment 39→75, diagnosis modes 3→4, personas 100+→175)
Expanded RIASEC diagnosis to all 175 personas (118 elements + 19 alloys + 40 non-elements)
Major alloy puzzle improvements (code splitting, gameplay, visuals)
Added PGM & precious metals market price chart page

Details

Added RIASEC diagnosis mode card to quick presentations
Completed scientific data for all 175 personas (sustainability, tagline, originData, etc.)
Achieved zero data integrity audit issues (price rank & Jungian dimensions fixes)
Added 54 missing i18n keys
Synced footer version to v0.11.2

v0.11.0

Minor

Compatibility Details, Phantom Illustrations & Payment Foundation

2026-02-25

Main Changes

Added Enneagram & Big Five compatibility details (6 relationship types, similarity/complementarity axes)
Generated 23 phantom illustrations via Gemini, placed as WebP (960–983)
Implemented payment/credit system foundation (external purchase-provider flow, API routes, UI)
Added phantom characters (Four Elements & Wuxing)

Details

Fixed i18n keys (added phantomTimeline & questLab translation keys)
Expanded persona data (+705 lines)
Converted illustration PNG→WebP (186MB→12MB, 93.6% reduction)

v0.10.2

Patch

Phantom Characters, Compatibility Enhancement & Diagnosis UI

2026-02-23

Main Changes

Added 32 phantom concept characters (humility of science theme)
New phantom character gallery, detail & timeline pages
Implemented Big Five & Enneagram compatibility scoring
Added compatibility orbit map & radar chart comparison
Added material search to HelpBot

Details

Swapped Strontium → Magnesium in core 16 personas + added voice
Diagnosis result UI cleanup — detailed view for #1 only & removed duplicates
English support for persona cards & core gallery
English support for fortune mode & pseudoscience page
Fixed Quest Lab blank page and integrated into design system
Updated footer version label to v0.10.2 / 2026-02-23

v0.10.1

Patch

Legal Page Alignment & About Navigation Improvements

2026-02-18

Main Changes

Updated terms, privacy, and refund wording to match current operations
Added links to /pricing, /terms, /refund, /subscription-cancel, and /tokushoho on About page
Adjusted About page YouTube card for pre-launch status
Updated official account wording in social media policy

Details

Improved consistency of FAQ answers for monetization and age requirements
Updated footer version label to v0.10.1 / 2026-02-18

v0.10.0

Minor

All Layers Free, English Changelog & Persona Count Update

2026-02-15

Main Changes

All layer content (L2/L3) now free — no unlock required
English translations for changelog (v0.8.0+)
Unified persona count to 145 across all pages
Fixed hero shuffle character names for English locale

Details

Changed hero button to "View 16 Core Personas"
Batch-updated 129/142 → 145 across 4 message files

v0.9.4

Patch

Gallery Rebuild & Homepage Refresh

2026-02-14

Main Changes

Rebuilt gallery into category-based pages
Homepage layout refresh & persona data updates
Added biology data (biologyData) to 59 personas (alloys, plastics, rubber, ceramics, pigments, ice)

Details

Added voice files & updated persona images
FAQ updates (monetization details, Sody introduction)
Improved OEJTS question polarity labels
Updated persona count & regenerated image assets

v0.9.3

Patch

Lanthanoid Addition & Voice Generation Pipeline

2026-02-11

Main Changes

Added 6 lanthanoid personas (Tb, Pr, Ho, Er, Yb, Lu)
Introduced ElevenLabs voice generation skill & persona voice data
Added type-based grouping display to Jungian axis tab

Details

Added voice lines for Iron, Gold, Nylon, and Copper
Introduced voice profile Git management system
Diagnosis API security audit & middleware hardening
Fixed typeNumber/dimension inconsistencies & E/I boundary adjustments
Synced footer & learn page navigation

v0.9.2

Patch

LD50 Toxicity Data Addition

2026-02-05

Main Changes

Added LD50 (median lethal dose) display to persona detail pages
Supports 3 exposure routes: oral, dermal, inhalation
Toxicity level classification based on GHS acute toxicity categories

Details

Pilot data for 13 substances (arsenic, mercury, lead, cadmium, etc.)
L1: badge display, L2: detailed table format
Explicit source citations (PubChem, GESTIS, etc.)

v0.9.1

Patch

Custom Domain Support & Google-only Auth

2026-02-05

Main Changes

Custom domain support for zealbootcamp.com
Simplified login to Google account only
Multi-domain auth redirect support

Details

Added new domain to allowlist in middleware.ts
Removed email/password registration form
Added Supabase Redirect URLs configuration guide

v0.9.0

MinorPR #263+

Origin Map, Business Cards & English Flyer

2026-02-02

Main Changes

New origin map page (/about/origins) — 72 countries, 54 materials
Business card download (front/back preview + PDF)
Added English A4 flyer
Logo click returns to home from presentation pages

Details

Country view: card list with region filters
Material view: top 3 highlighted in gold, silver, bronze
OAuth callback improvements (timeout handling)
Fixed Discord invite link & Service Worker POST errors

v0.8.7

PatchPR #262+

Presentation Localization & Security Hardening

2026-02-02

Main Changes

Localized presentation materials to Japanese (science × psychology, recommendations)
HelpBot UX improvement ("Opens in new tab" notice)
FAQ chatbot enhancements (synonym dictionary, dynamic guided questions)
External purchase-provider security checklist compliance

Details

Added FAQ entries (MBTI, secondary use, school use, age limits, creator)
Updated support page, terms of service & Discord rules
Renamed group navigator characters & added intro pages
Bot protection, API security & security headers

v0.8.6

PatchPR #261+

HelpBot Improvements & Feedback Features

2026-02-01

Main Changes

Added OK/NG feedback buttons after FAQ answers
Sody expression changes (success → smile, failure → worried)
Shows "Powered by Gemini 2.5 Flash" for AI responses
Discord logging for unanswerable questions

Details

Added "Ask new question" reset button
Added Sody self-introduction & tech stack FAQ
Adjusted Gemini prompt (concise answers, 512 tokens)
Updated privacy policy with HelpBot data collection notice

v0.8.5

PatchPR #260+

Discord Integration & Navigator Characters

2026-02-01

Main Changes

Added Discord integration (feedback notifications to Discord)
Added Discord community join link on submission confirmation
Moved references from GitHub Issues to Discord (terms, security, licenses)
Added images & prompts for 8 navigator characters

Details

Added Discord setup documentation (docs/runbooks/)
Separate channels for bug reports & feature requests
Added Sody speech profile (Gemini integration)
Increased Gemini API output tokens (512 → 1024)
Context file compression (62% reduction)

v0.8.4

PatchPR #251-259

HelpBot Gemini Integration & Security

2026-01-25

Main Changes

Integrated Gemini AI chat into HelpBot
FAQ category UI & rate limiting
Security & privacy hardening for diagnosis record supplements
Storybook Next.js App Router support

Details

Fixed PersonaGrid/FivePerspectives components
Improved guidance flow for L2/L3 content

v0.8.3

PatchPR #250

Price Data & Economic Information

2026-01-12

Main Changes

Added economicData (price rank, trends, etc.) to personas
Implemented progressive persona unlock system
Added price filter & sort features
Added diagnosis result sharing page (/result/[sessionId])

Details

Selected 20 core personas (covering 13 types)
Created core materials gallery page (/core-gallery)
Added price card & trend card components
Added PubChem API client
Added footer translation keys

v0.8.2

PatchPR #249

Diagnosis Page Bug Fix & UI Improvements

2026-01-11

Main Changes

Fixed question count display bug on diagnosis page
UI/UX improvements

v0.8.1

PatchPR #247-248

Diagnosis Pattern Expansion & Evidence Enhancement

2026-01-11

Main Changes

Restructured diagnosis patterns (added Jungian 12Q & Big Five 10Q versions)
Created new evidence sheets for alkali metals & alkaline earths (6 elements)
Added verification sources to element evidence sheets (16 elements)
Simplified plastics page + added footer links

Details

Added transparent background images
Changed displayed diagnosis time from 30 seconds to 3 minutes
Fixed Storybook type errors + added new stories

v0.8.0

MinorPR #194-246

S-N Curve, Resistivity & UX Improvements

2026-01-09

Main Changes

Added S-N curve (fatigue curve) feature
Added resistivity data to alloy personas
Implemented UX improvements Phase 1+2
Added post-implementation quality audit system

Details

PNG → WebP conversion reduced image sizes by 95% (796 files)
E2E baseline, type safety enhancements
Improved share button brand colors & print color preservation
Extracted scoring common utilities
Fixed Storybook file type errors

v0.7.1

PatchPR #190-193

Element Color Display

2026-01-02

Main Changes

Display element colors with scientific basis on persona cards
Added characteristicColorsLayered to noble gases & halogens
Migrated element color display to new structure

v0.7.0

MinorPR #181-189

Voice Playback, Historical Prices & Color Pigments

2026-01-02

Main Changes

Added historical price timeline page
Completed all 20 color pigment illustration prompts
Added voice playback to diagnosis result page
Created changelog page

Details

Added historical metal price data
Brainstormed pigment personas
Added layer-content for S45C & phenolic resin
Added compatibility % to five perspectives section

v0.6.2

PatchPR #176-180

ElevenLabs Voice Generation & Composite Materials

2026-01-01

Main Changes

Added voice playback to oxygen persona
Implemented phenolic resin (Bakelite) persona
Created complete composite material cooperation patterns

Details

Established ElevenLabs voice generation automation standard
Added 8 enemy character images
Added team composition system brainstorming

v0.6.1

PatchPR #169-175

Persona Guide & Astronomical Terms

2026-01-01

Main Changes

Implemented persona usage guide page
Internationalized header, footer & hero
Added astronomical term origin explanations to element origins page

Details

Reordered persona detail tabs by layer level
Moved manufacturing & refining tab to L3
Moved origin, cosmos & nuclear tabs to L3

v0.6.0

MinorPR #148-168

Internationalization & Story Structure

2026-01-01

Main Changes

Introduced storyLayered structure (L1=Story, L2=History, L3=Science)
Added 9 enemy battles (29→38 total)
Added level display and lock feature to Learn More tabs
Added DMCA section to terms of service

Details

Added storyLayered to 5 alkali metals
Added storyLayered L1/L2/L3 structure to transition metals & groups 13-18
Added equipment to gallery menu
Changed default sort order to atomic number

v0.5.2

PatchPR #142-147

Multilingual Support & Ranking Improvements

2025-12-31

Main Changes

Implemented English support for hero section
English translations for About page and terms of service
Implemented tied ranking display for compatibility

Details

Added pagination to compatibility diagnosis page
Added version consistency audit script

v0.5.1

PatchPR #133-141

Bug Fixes & Print Improvements

2025-12-31

Main Changes

Improved print layout colors and contrast
Added image display to equipment page
Fixed params handling in Next.js 14 Client Components

Details

Fixed error when Supabase env vars not set
Fixed hydration error on persona detail page

v0.5.0

MinorPR #124-132

2025-12-31

Main Changes

Implemented Google OAuth authentication
Added Supabase auth to My Page
Updated character voice content
Improved scientific data completeness

Details

My Page brainstorming
Office analogy brainstorming
Added escape button to quiz screen

v0.4.1

PatchPR #119-123

Persona Details & Particle Explanations

2025-12-30

Main Changes

Added character detail page
Added particle explanations
Added action buttons to diagnosis results

Details

Refactored quark page
Fixed price logic

v0.4.0

MinorPR #107-118

Gallery & Navigation Restructuring

2025-12-30

Main Changes

Improved landing page navigation
Restructured footer & header
Reorganized collection pages
Added persona trivia layer

Details

Added material persona system
Fixed hero section enemy battles
Fixed broken links
Added context engineering framework

v0.3.2

PatchPR #100-106

UI/UX Improvements & Price Display

2025-12-29

Main Changes

Reordered hero section
Fixed enemy battle images
Fixed persona price display

Details

Updated price logic
Fixed MBTI display
Fixed multilingual text display

v0.3.1

PatchPR #96-99

Galvanic Corrosion & Enemy Images

2025-12-29

Main Changes

Filtered galvanic corrosion target materials
Fixed enemy image display
Added character history agent

v0.3.0

MinorPR #93-95

Compatibility Diagnosis & Battle Expansion

2025-12-29

Main Changes

Added character compatibility system
Added compatibility diagnosis page
Deep dive into character relationships
Added audit system design

v0.2.1

PatchPR #89-92

Enemy & Simulator Fixes

2025-12-28

Main Changes

Fixed enemy images
Fixed simulator materials
Consolidated special sections

v0.2.0

MinorPR #83-88

Layer Content Introduction

2025-12-28

Main Changes

Added layer content unlock feature
Added layer content visibility controls
Updated version display
Started multilingual support

Details

Added dialog complexity layers
Documented agent orchestration

v0.1.1

PatchPR #82

Project Status Update

2025-12-27

Main Changes

Updated project status
Initial bug fixes

v0.1.0

MajorPR #1-81

Initial Release

2025-12-26

Main Changes

142 personas (elements, alloys, plastics, rubber, ceramics, pigments)
3-tier difficulty system (L1/L2/L3)
Integrated Jungian psychology, Big Five & Enneagram diagnosis

Details

Quick diagnosis (22Q), custom diagnosis & full diagnosis (118Q)
Compatibility diagnosis & battle simulator
Explainer pages: Atomic Corporation, element origins, corrosion & stability
Enemy gallery & equipment gallery

Complete changelog available at GitHub Repository.