AniKotoAPI/CHANGELOG.md

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [2.0.0] - 2026-07-04

### Added
- **Creator Info Middleware**: Injects creator attribution (name, GitHub, Telegram, timestamp) into every JSON response
- **Multi-Mirror Fallback System**: Automatic failover across 5 mirror domains (anikototv.to, anikoto.cz, anikoto.me, anikoto.net, anikototv.se)
- **LRU Cache with Configurable TTL**: Replaced basic Map cache with LRU cache supporting per-endpoint TTL (3min to 60min)
- **Response Compression**: Added gzip compression middleware (level 6, 1024 byte threshold)
- **Cache Statistics Endpoint**: `/api/cache/stats` returns hits, misses, sets, deletes, size, hitRate
- **Mirror Status Endpoint**: `/api/mirrors` shows health status and latency for all domains
- **Mirror Reset Endpoint**: `/api/mirrors/reset` clears mirror cache and failed state
- **Seasons Endpoint**: `/api/seasons/:id` returns all seasons/OVAs/movies for an anime
- **Watch Order Endpoint**: `/api/watch-order/:id` returns related anime with relationship types
- **Latest Updated Endpoint**: `/api/latest-updated` returns recently updated anime sorted by update time
- **Download Endpoint**: `/api/download?slug=&ep=` returns decoded download links from base64 data
- **Configurable Rate Limiting**: `RATE_LIMIT` and `RATE_WINDOW` env vars for customization
- **Request Timeout**: Configurable via `REQUEST_TIMEOUT` env var (default 30s)
- **Rate Limit Headers**: `X-RateLimit-Limit` and `X-RateLimit-Remaining` headers
- **Retry-After Header**: Included in 429 responses with seconds until reset
- **Environment Variables**: Added `MIRROR_DOMAINS`, `MIRROR_CACHE_TTL`, `CACHE_MAX_SIZE`, `CACHE_DEFAULT_TTL`
- **Test Suite**: Added 27 endpoint tests with performance metrics and optional endpoint handling
- **OpenAPI Spec**: Added `/api/mirrors`, `/api/mirrors/reset`, `/api/latest-updated`, `/api/download` to spec

### Changed
- **BREAKING**: All extractors now use mirror fallback helper for resilience
- **BREAKING**: Cache system upgraded from simple Map to LRU with eviction
- **BREAKING**: Rate limiting now configurable via environment variables
- Updated `extractPages.helper.js` to use `fetchWithMirror` instead of direct axios
- Updated `homeInfo.extractor.js` to use mirror fallback
- Updated `episodeListAjax.extractor.js` to use mirror fallback
- Updated all controllers to use endpoint-specific TTL values
- Updated `.env.example` with all new configuration options
- Updated `test.js` with optional endpoint handling and performance metrics

### Fixed
- **CRITICAL**: Fixed header merging bug in mirror helper (custom headers were ignored)
- Fixed mirror URL construction (proper base URL handling)
- Fixed cache key sorting in filter controller
- Fixed trailing slash inconsistency in console output
- Fixed inconsistent error handling across extractors

### Removed
- Removed `og-image.svg` and `logo.png` (replaced by `share.png`)
- Removed unused `cookie-parser` dependency (was already removed in v1.8.0)

## [1.9.0] - 2026-06-09

### Fixed
- **CRITICAL**: Added global Express error handler (returns JSON instead of HTML)
- **CRITICAL**: Removed caching from random endpoint (defeated purpose)
- **CRITICAL**: Renamed share.jpg to share.png (MIME type mismatch)
- **CRITICAL**: Fixed OG image dimensions (630 → 601)
- **CRITICAL**: Fixed manifest.json icon sizes (192x192 → 512x512)
- **CRITICAL**: Fixed implicit global event variable in console
- **CRITICAL**: Added 9 missing endpoints to docs/endpoints.md
- Imported version from package.json (no hardcoded drift)
- Added dynamic endpoint count in stats
- Added input sanitization for mapper API (SSRF prevention)
- Added homepage caching (reduced 5 duplicate HTTP requests)
- Added rate limiting (100 requests/minute per IP)
- Added rel="noopener noreferrer" to all target="_blank" links
- Fixed trailing slash inconsistency in console
- Added noindex meta to 404.html
- Fixed docs/architecture.md controller filenames and dependency versions
- Fixed README.md dependency versions
- Added 12 missing endpoint tests
- Added escapeHtml helper for error messages
- Consistent favicon across all pages
- Added meta descriptions to privacy.html and tos.html
- Added OG/Twitter meta tags to privacy.html and tos.html
- Added aria-label to playground inputs
- Added aria-hidden to decorative SVGs
- Synced Twitter description with OG description
- Fixed robots.txt to disallow /api
- Added PWA fields to manifest.json
- Removed 5 unused imports
- Removed unused cookie-parser dependency
- Fixed inconsistent error handling in extractors
- Fixed resolvedSlug returning numeric ID
- Added /watch endpoint to streaming docs
- Improved test assertions and status code validation
- Deleted orphaned og-image.svg and logo.png
- Removed redundant try/catch from extractPages
- Added max size eviction to cache
- Added cache key sorting in filter controller
- Added author meta tag
- Fixed favicon.svg font

### Changed
- Version bumped to 1.9.0

## [1.8.0] - 2026-06-08

### Fixed
- **CRITICAL**: `extractPages.helper.js` — Pagination URL bug (`?page` → `&page` when URL already has query params)
- **CRITICAL**: `package.json` — Fixed invalid dependency versions (axios ^1.7.0, dotenv ^16.4.0, express ^4.21.0)
- `privacy.html` + `tos.html` — Fixed broken footer links (`//tos` → `/tos`, `//privacy` → `/privacy`)
- `manifest.json` — Fixed invalid icon purpose (`"any maskable"` → `"maskable"`)
- `server.js` — Removed duplicate CORS middleware (was using both `cors()` package and custom middleware)
- `server.js` — Removed unused `cors` import
- `server.js` — Added `__dirname` computation (was missing)
- `search.controller.js` — Fixed cache key collision with suggestion controller
- `apiRoutes.js` — Made endpoint count dynamic (was hardcoded 27)
- Updated endpoint count from 27→30 across all documentation files
- Fixed axios version in package.json (^1.7.0 → ^1.8.0)
- `vercel.json` — Removed duplicate CORS header (server.js handles it)

### Changed
- `header.config.js` — Updated User-Agent to Chrome 130 (was Chrome 120)
- `dataUrl.js` — Removed redundant `anikototv.to` from ALT_DOMAINS
- `category.extractor.js` — Removed unused `cheerio` import
- `test.js` — Updated test script in package.json to actually run tests
- Version bumped to 1.8.0

### Security
- Unified CORS handling in server.js (single middleware instead of triple)
- Removed Vercel-level CORS header (Express handles it)
- Fixed XSS potential in index.html error display (used textContent pattern)

## [1.7.3] - 2026-06-08

### Fixed
- Health endpoint typo: `s` → `seconds` in uptime string formatting
- Request counter middleware moved before route registrations (was never executing)
- Request counter now properly tracks all API requests and errors

## [1.7.2] - 2026-06-08

### Added
- `docs/` folder with complete API documentation using real live API data
  - `docs/index.md` — Overview, quick start with real responses
  - `docs/endpoints.md` — Full API reference (27 endpoints with real data)
  - `docs/streaming.md` — Streaming flow guide (3-step with real data)
  - `docs/examples.md` — Code examples in cURL, JavaScript, Python, Node.js (all tested)
  - `docs/architecture.md` — Project structure, tech stack, design decisions
- `/api/health` — Health check endpoint (uptime, version, memory)
- `/api/stats` — Cache & API statistics (requests, errors, success rate)
- `/api/openapi` — OpenAPI 3.0.3 specification
- Security headers: X-Frame-Options, X-Content-Type-Options, X-XSS-Protection
- Request counter middleware for statistics
- `CONTRIBUTING.md` — Contribution guidelines
- `test.js` — Integration test suite (18 endpoints)

### Fixed
- Clean URLs: `/tos` and `/privacy` instead of `/tos.html` and `/privacy.html`
- Added Express routes for clean URL serving
  - `docs/architecture.md` — Project structure, tech stack, design decisions

### Fixed
- `episodeList.extractor.js` — Parse AJAX JSON response, extract `server_ids`, `timestamp`, `mal_id`
- `streamInfo.extractor.js` — Parse server list HTML into structured objects
- `streamInfo.extractor.js` — Parse stream URL from JSON response properly
- Added cheerio import to streamInfo extractor for HTML parsing

## [1.7.1] - 2026-06-08

### Changed
- Updated all Vercel URLs from `anikoto.vercel.app` to `anikototvapi.vercel.app`
- Updated across 80 references in HTML, JS, MD, XML, SVG, JSON files

## [1.7.0] - 2026-06-08

### Changed
- **BREAKING**: Rebranded entire project from `AniKatoAPI` to `AniKotoAPI`
- Renamed all references across 66 files (controllers, extractors, configs, routes)
- Updated README.md, package.json, server.js, all public pages
- Updated GitHub repository URLs from `AniKatoAPI` to `AniKotoAPI`
- Updated Vercel URLs from `anikato.vercel.app` to `anikototvapi.vercel.app`
- Preserved `anikototv.to` domain references (source website, not project name)

## [1.6.0] - 2026-06-08

### Added
- `public/manifest.json` — PWA manifest with theme color, icons, display mode
- `public/robots.txt` — Crawler directives and sitemap reference
- `public/sitemap.xml` — XML sitemap with homepage, API, privacy, and terms pages
- `public/og-image.svg` — SVG Open Graph image with gradient design, title, and tagline
- `public/privacy.html` — Full privacy policy (data collection, third-party, DMCA, cookies)
- `public/tos.html` — Full terms of service (acceptable use, rate limits, liability, DMCA)

### Changed
- Completely rebuilt `public/index.html` from scratch (premium UI/UX)
- Replaced all emojis with inline SVG icons throughout the entire page
- Hero section now features a live interactive API console (fetch, run, see JSON response)
- Console has preset buttons (Home, Search, Stream, Random, Schedule) with one-click switching
- Added scroll-reveal animations via IntersectionObserver (no external libraries)
- Added animated particle system via canvas (60 particles, purple-tinted)
- Added glassmorphism sticky header with scroll-aware background blur
- Added stats section with animated counters (counts up on viewport entry)
- Added infinite scrolling marquee with feature highlights and SVG icons
- Added endpoint explorer with sidebar navigation, multi-language code tabs (cURL, JS, Python)
- Added playground section with 4 interactive cards (search, stream, random, schedule)
- Added CTA section with gradient background
- Added full footer with 4-column grid (brand, API links, resources, legal)
- Rebuilt `public/404.html` with glitch animation effect, scanlines, and SVG icons
- All CSS uses custom properties, no external frameworks

## [1.5.5] - 2026-06-08

### Changed
- Completely redesigned `public/index.html` landing page (AniNewsAPI style)
- Dark theme with ambient floating orb animations, glassmorphism cards, sticky header
- Hero section with terminal-style API preview and animated gradient text
- Stats ribbon (24+ endpoints, 0 API keys, 40+ genres, live data)
- Features grid with 6 cards (search, streaming, metadata, schedule, filters, caching)
- Interactive API endpoint documentation with expandable cards, parameter tables, code examples
- "Try It Live" playground with 4 interactive demos (search, stream, random, schedule)
- Responsive mobile design
- Redesigned `public/404.html` with animated 404 code, floating animation, action buttons

## [1.5.4] - 2026-06-08

### Changed
- Restructured API Endpoints section to match HiAnime-Api documentation style
- Added category headers with blockquote format: `> ## 🏠 GET Home Info`
- Each endpoint now has: Endpoint path, Parameters table, Example of request (curl + JS), Sample Response
- 19 documentation sections covering all API endpoints

## [1.5.3] - 2026-06-08

### Fixed
- Replaced ALL placeholder/example responses in README with real live API data
- Every endpoint now shows actual data from anikototv.to (One Piece, Solo Leveling, Digimon, etc.)
- No more dummy "Anime Title" or generic placeholder objects

## [1.5.2] - 2026-06-08

### Added
- Disclaimer section (educational purposes, 3rd party media, no affiliation)
- Render deploy button alongside Vercel
- JavaScript `import axios` code examples for all 25 API endpoints

## [1.5.1] - 2026-06-08

### Fixed
- Added missing example responses to README for 11 endpoints: episodes-ajax, stream, servers, mapper-servers, new-release, newly-added, schedule, filter, genre/:name, type/:name, status/:name
- All 24 API endpoints now have collapsible live example responses in documentation

## [1.5.0] - 2026-06-08

### Changed
- Complete documentation rewrite of ALL source files (50+ files)
- Added box-style header comments (Project, Author, License) to every file
- Added section headers using double-line box decorators (`═════`)
- Added feature markers (`// ---- FEATURE: XYZ ----`) before every major function
- Added JSDoc comments for EVERY function with @param, @returns, @example
- Added inline notes (NOTE, WARNING, TIP) for non-obvious logic
- Added footer END markers to every module/file
- Matched code style to AlisaReactionBot repository format
- All files now searchable by feature name via grep

## [1.4.0] - 2026-06-08

### Fixed
- Fixed ALL CSS selectors to match actual anikototv.to HTML structure
- Fixed search results (was returning empty data array)
- Fixed anime info page (was returning empty fields)
- Fixed episode list (was returning 0 episodes)
- Fixed most-popular (was returning empty data array)
- Fixed random endpoint (was returning 500 error)
- Fixed filter endpoint (was returning 500 error)
- Fixed suggestions (was returning empty array)
- Added /api/genre/:name, /api/type/:name routes (was returning 404)
- Fixed watch page server/episode extraction
- Fixed rating field to return clean value

## [1.3.0] - 2026-06-08

### Added
- Stream URL extraction via `/ajax/server?get={linkId}` endpoint
- Server list endpoint (`/api/servers?ids={episodeIds}`)
- Mapper API integration for gogoanime/anivibe servers (`/api/mapper-servers`)
- Seasons endpoint (`/api/seasons/:id`)
- Watch order endpoint (`/api/watch-order/:id`)
- Episode list AJAX endpoint (`/api/episodes-ajax/:id`)
- Genre ID mapping for correct filter parameters
- Type, Status, Rating, Sort ID mappings

### Fixed
- Stream extractor now properly extracts video embed URLs
- Filter endpoint now uses correct numeric IDs for genres/types/status
- Watch page extractor captures all data attributes (data-id, data-url, etc.)
- Server list extraction includes all data attributes (link-id, ep-id, cmid, sv-id)

## [1.2.0] - 2026-06-08

### Added
- Watch page endpoint (`/api/watch?slug={slug}&ep={ep}`)
- AZ List endpoint (`/api/az-list/:letter?page={page}`)
- New Release endpoint (`/api/new-release?page={page}`)
- Newly Added endpoint (`/api/newly-added?page={page}`)
- Status endpoint (`/api/status/:status?page={page}`)
- Trending Sidebar endpoint (`/api/trending-sidebar`)
- Complete episode navigation (prev/next)
- Related & recommended anime on watch page
- Server list for video playback
- Next episode schedule data

## [1.1.0] - 2026-06-08

### Fixed
- Corrected HTML selectors based on actual website analysis
- Updated episode list extraction
- Fixed stream info endpoint to use AJAX server list
- Improved error handling

## [1.0.0] - 2026-06-08

### Added
- Initial project setup
- Express.js server with Vercel deployment support
- Home page API endpoint (`/api/`)
- Anime info endpoint (`/api/info?id={anime-slug}`)
- Search endpoint (`/api/search?keyword={keyword}`)
- Search suggestions endpoint (`/api/search/suggest?keyword={keyword}`)
- Episode list endpoint (`/api/episodes/{anime-slug}`)
- Stream info endpoint (`/api/stream?id={episode-id}`)
- Schedule endpoint (`/api/schedule?date={YYYY-MM-DD}`)
- Spotlight endpoint (`/api/spotlight`)
- Trending endpoint (`/api/trending`)
- Top 10 endpoint (`/api/top-ten`)
- Suggestions endpoint (`/api/suggestions?keyword={keyword}`)
- Random anime endpoint (`/api/random`)
- Most popular endpoint (`/api/most-popular?page={page}`)
- Filter endpoint (`/api/filter?{params}`)
- Category endpoints (`/api/{category}?page={page}`)
- Caching system with 5-minute TTL
- CORS configuration with allowed origins
- Public HTML documentation page
- 404 error page
- Dockerfile for containerization
- Render.yaml for Render deployment
- MIT License
- README with API documentation

### Changed
- Updated all extractors to match actual anikototv.to HTML structure
- Changed ID-based lookups to slug-based lookups
- Updated URL patterns to match actual website structure
- Improved CSS selectors for better accuracy