fix: Full diagnostic sweep — bugs, dead code, unused imports, docs accuracy

Code fixes:
- seasons/watchOrder: Remove dead ternary (both branches identical)
- mirror.helper: Remove redundant ternary (both branches identical)
- topAnimeRankings: Fix JSDoc (day/week/month, not top/newest)
- apiRoutes: Fix proxy domain validation (exact match, not includes)
- apiRoutes: Fix proxy .m3u8 check (pathname, not hostname)
- pagination: Fix totalItems calculation (was overestimating)
- server.js: Remove dead has404File variable
- server.js: Remove duplicate /api/cache/stats route
- server.js: Remove unused getCacheStats import

Unused imports removed:
- animeInfo: URLS from dataUrl.js
- episodeList: headers from header.config.js
- episodeListAjax: axios
- trending: URLS from dataUrl.js
- trendingSidebar: URLS from dataUrl.js
- upcomingAnime: parseListItems
- watchPage: URLS, BASE_URL from dataUrl.js

Docs fixes:
- README: 33->38 endpoints, 24->28 controllers, 26->28 extractors
- README: Cache TTL 5min->per-endpoint, Timeout 15s->30s
- docs/index.md: 33->38 endpoints
- architecture.md: LRU cache strategy, remove stale cookie-parser
- agents: compression version, extractor/controller counts
- agents: domain typo, stale CORS dep, version badge

docs/readme.md

@@ -57,7 +57,7 @@ curl "https://anikototvapi.vercel.app/api/info?id=naruto-eybxz"
 
 ## Features
 
-- **33 Endpoints** — Home, search, info, episodes, streaming, schedule, seasons, watch order, download, and more
+- **38 Endpoints** — Home, search, info, episodes, streaming, schedule, seasons, watch order, download, and more
 - **No API Key** — Just make requests, no registration needed
 - **LRU Cache** — Configurable TTL per endpoint type (3min to 60min)
 - **Multi-Mirror Fallback** — Automatic failover across 5 mirror domains