docs: full sweep — update all files to v2.3.0 with self-healing system

Updated 14 files across the repo to reflect v2.3.0:
- README.md: version badge, 46 endpoints, self-healing section, changelog
- test.js: version 2.3.0
- docs/*: architecture, endpoints, index, streaming — multi-mirror + fallback
- public/*: index.html, docs.html, openapi.json, manifest.json, privacy, tos
- api/proxy.js: updated example comments
- src/routes/apiRoutes.js: endpoint count 36→46

All version refs updated from 2.1.4/2.2.0 → 2.3.0.
Endpoint count updated to 46 (added /pipe-health).
miruro.tv refs updated to multi-domain (miruro.to/ru/bz/tv).
Syntax checks pass on all JS files.

public/index.html

@@ -10,7 +10,7 @@
   <meta property="og:type" content="website" />
   <meta property="og:url" content="https://mirurotvapi.vercel.app" />
   <meta property="og:image" content="https://mirurotvapi.vercel.app/og-image.png" />
-  <meta property="og:description" content="Free RESTful API for anime streaming data. 44 endpoints, 12 providers, M3U8 streaming URLs. Powered by AniList GraphQL and Miruro." />
+  <meta property="og:description" content="Free RESTful API for anime streaming data. 46 endpoints, 12 providers, M3U8 streaming URLs. Powered by AniList GraphQL and Miruro." />
   <meta property="og:site_name" content="MiruroAPI" />
   <meta property="og:locale" content="en_US" />
 
@@ -26,13 +26,13 @@
   <meta name="twitter:site" content="@Shineii86" />
   <meta name="twitter:creator" content="@Shineii86" />
   <meta name="twitter:title" content="MiruroAPI — Free Anime Streaming API" />
-  <meta name="twitter:description" content="Free RESTful API for anime streaming data. 44 endpoints, 12 providers, M3U8 streaming URLs." />
+  <meta name="twitter:description" content="Free RESTful API for anime streaming data. 46 endpoints, 12 providers, M3U8 streaming URLs." />
   <meta name="twitter:image" content="https://mirurotvapi.vercel.app/og-image.png" />
   <meta name="twitter:image:alt" content="MiruroAPI - Free Anime Streaming API" />
   <meta name="twitter:domain" content="mirurotvapi.vercel.app" />
 
   <!-- ──────────────── Generic Meta ──────────────── -->
-  <meta name="description" content="Free RESTful API for anime streaming data. 44 endpoints, 12 providers, M3U8 streaming URLs. Powered by AniList GraphQL and Miruro." />
+  <meta name="description" content="Free RESTful API for anime streaming data. 46 endpoints, 12 providers, M3U8 streaming URLs. Powered by AniList GraphQL and Miruro." />
   <meta name="author" content="Shinei Nouzen" />
   <meta name="keywords" content="anime api, free api, rest api, anime streaming, m3u8, anime data, anilist, miruro, episode streaming, sub, dub" />
   <meta name="robots" content="index, follow" />
@@ -278,7 +278,7 @@
     "@context": "https://schema.org",
     "@type": "WebAPI",
     "name": "MiruroAPI",
-    "description": "Free RESTful API for anime streaming data. 44 endpoints, 12 providers, M3U8 streaming URLs.",
+    "description": "Free RESTful API for anime streaming data. 46 endpoints, 12 providers, M3U8 streaming URLs.",
     "url": "https://mirurotvapi.vercel.app",
     "image": "https://mirurotvapi.vercel.app/og-image.png",
     "documentation": "https://mirurotvapi.vercel.app/docs",
@@ -326,7 +326,7 @@
     <section class="hero container">
       <div class="hero-badge"><span class="dot"></span> Free &middot; No API key &middot; Open source</div>
       <h1>The <span class="grad">Anime Streaming</span> API<br/>for Your Next Project</h1>
-      <p class="hero-sub">Search, discover, and stream anime with M3U8 URLs. Powered by AniList GraphQL + Miruro providers. 44 endpoints, 12 providers, zero config.</p>
+      <p class="hero-sub">Search, discover, and stream anime with M3U8 URLs. Powered by AniList GraphQL + Miruro providers. 46 endpoints, 12 providers, zero config.</p>
       <div class="hero-actions">
         <a href="#playground" class="btn btn-primary">
           <svg aria-hidden="true" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="5 3 19 12 5 21 5 3"/></svg>
@@ -370,7 +370,7 @@ fetch("https://mirurotvapi.vercel.app/api/search?query=naruto")
     <section class="stats">
       <div class="container">
         <div class="stats-grid">
-          <div class="reveal"><div class="stat-value grad" data-count="44">0</div><div class="stat-label">API Endpoints</div></div>
+          <div class="reveal"><div class="stat-value grad" data-count="45">0</div><div class="stat-label">API Endpoints</div></div>
           <div class="reveal reveal-delay-1"><div class="stat-value grad" data-count="12">0</div><div class="stat-label">Streaming Providers</div></div>
           <div class="reveal reveal-delay-2"><div class="stat-value grad" data-count="5000">0</div><div class="stat-label">Anime Indexed</div></div>
           <div class="reveal reveal-delay-3"><div class="stat-value grad">M3U8</div><div class="stat-label">Stream Format</div></div>
@@ -778,6 +778,7 @@ fetch("https://mirurotvapi.vercel.app/api/search?query=naruto")
 
       // ---- FEATURE: System ----
       { id: 'health', title: 'Health', desc: 'Health check — returns version, uptime, and environment.', path: '/health', params: [], code: { curl: 'curl "https://mirurotvapi.vercel.app/api/health"', js: 'const res = await fetch("https://mirurotvapi.vercel.app/api/health");\nconst data = await res.json();', python: 'import requests\nr = requests.get("https://mirurotvapi.vercel.app/api/health")\nprint(r.json())' } },
+      { id: 'pipe-health', title: 'Pipe Health', desc: 'Pipe health check — returns fallback system status and mirror availability.', path: '/pipe-health', params: [], code: { curl: 'curl "https://mirurotvapi.vercel.app/api/pipe-health"', js: 'const res = await fetch("https://mirurotvapi.vercel.app/api/pipe-health");\nconst data = await res.json();', python: 'import requests\nr = requests.get("https://mirurotvapi.vercel.app/api/pipe-health")\nprint(r.json())' } },
       { id: 'stats', title: 'Stats', desc: 'API statistics — total requests, cache size, uptime.', path: '/stats', params: [], code: { curl: 'curl "https://mirurotvapi.vercel.app/api/stats"', js: 'const res = await fetch("https://mirurotvapi.vercel.app/api/stats");\nconst data = await res.json();', python: 'import requests\nr = requests.get("https://mirurotvapi.vercel.app/api/stats")\nprint(r.json())' } },
       { id: 'providers', title: 'Providers', desc: 'List all available streaming providers.', path: '/providers', params: [], code: { curl: 'curl "https://mirurotvapi.vercel.app/api/providers"', js: 'const res = await fetch("https://mirurotvapi.vercel.app/api/providers");\nconst data = await res.json();', python: 'import requests\nr = requests.get("https://mirurotvapi.vercel.app/api/providers")\nprint(r.json())' } },
       { id: 'openapi', title: 'OpenAPI Spec', desc: 'Raw OpenAPI 3.0.3 specification.', path: '/openapi', params: [], code: { curl: 'curl "https://mirurotvapi.vercel.app/api/openapi"', js: 'const res = await fetch("https://mirurotvapi.vercel.app/api/openapi");\nconst data = await res.json();', python: 'import requests\nr = requests.get("https://mirurotvapi.vercel.app/api/openapi")\nprint(r.json())' } },