v1.5.0: Complete documentation rewrite - 50+ files with AlisaReactionBot style

- Box-style header comments (Project, Author, License) on every file
- Section headers using double-line box decorators
- Feature markers (// ---- FEATURE: XYZ ----) before every major function
- JSDoc comments for EVERY function with @param, @returns, @example
- Inline notes (NOTE, WARNING, TIP) for non-obvious logic
- Footer END markers on every module
- Matched code style to AlisaReactionBot repository
- All files now searchable by feature name via grep

Author: Shinei Nouzen <157171073+Shineii86@users.noreply.github.com>

src/controllers/watchPage.controller.js

@@ -1,20 +1,58 @@
+/*
+ * ======= • ======= • ======= • ======= • =======• =======
+ * AniKatoAPI — watchPage.controller.js
+ * Repository: https://github.com/Shineii86/AniKatoAPI
+ *
+ * @description
+ *   Controller for the watch page endpoint. Returns episode
+ *   details, video player data, and related anime information.
+ *   Requires both 'slug' and 'ep' query parameters.
+ *
+ * @exports
+ *   getWatchPage - Express route handler for GET /api/watch
+ *
+ * @author  Shinei Nouzen
+ * @license MIT
+ * ======= • ======= • ======= • ======= • =======• =======
+ */
+
 import { extractWatchPage } from "../extractors/watchPage.extractor.js";
 import { getCache, setCache } from "../helper/cache.helper.js";
 
+// ══════════════════════════════════════════════════════════════
+// CONTROLLER: WATCH PAGE
+// ══════════════════════════════════════════════════════════════
+
+// ---- FEATURE: Watch page data endpoint ----
+/**
+ * Handles GET /api/watch requests. Returns episode data and
+ * player information for the specified anime and episode.
+ *
+ * @param {object} req - Express request object
+ * @param {string} req.query.slug - Anime slug identifier
+ * @param {string|number} req.query.ep - Episode number
+ * @param {object} res - Express response object
+ * @param {Function} next - Express next middleware function
+ * @returns {void} Sends JSON response with watch page data
+ *
+ * @example
+ *   GET /api/watch?slug=one-piece&ep=1
+ *   Response: { success: true, results: { episode, servers, ... } }
+ *
+ * @throws {400} If 'slug' or 'ep' query parameters are missing
+ * WARNING: Both slug and ep are required or the endpoint returns 500
+ */
 const getWatchPage = async (req, res, next) => {
   try {
     const { slug, ep } = req.query;
-
     if (!slug || !ep) {
       return res.status(400).json({ success: false, message: "Slug and episode number are required" });
     }
-
     const cacheKey = `watch_${slug}_${ep}`;
     const cached = getCache(cacheKey);
     if (cached) {
       return res.json({ success: true, results: cached });
     }
-
     const data = await extractWatchPage(slug, ep);
     setCache(cacheKey, data);
     res.json({ success: true, results: data });
@@ -23,4 +61,6 @@ const getWatchPage = async (req, res, next) => {
   }
 };
 
-export { getWatchPage };
+export { getWatchPage };
+
+// ══════════════════════════════════════════════════════════════ END: watchPage.controller.js