Split style.css and app.js into modular CSS/JS files under css/ and js/ directories

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Co-authored-by: naturallaw777 <99053422+naturallaw777@users.noreply.github.com>

app/sovran_systemsos_web/static/js/constants.js

@@ -0,0 +1,31 @@
+/* Sovran_SystemsOS Hub — Vanilla JS Frontend
+   v7 — Status-only dashboard + Tech Support + Feature Manager */
+"use strict";
+
+const POLL_INTERVAL_SERVICES    = 5000;
+const POLL_INTERVAL_UPDATES     = 1800000;
+const UPDATE_POLL_INTERVAL      = 2000;
+const REBOOT_CHECK_INTERVAL     = 5000;
+const SUPPORT_TIMER_INTERVAL    = 1000;
+
+const CATEGORY_ORDER = [
+  "infrastructure",
+  "bitcoin-base",
+  "bitcoin-apps",
+  "communication",
+  "apps",
+  "nostr",
+];
+
+const FEATURE_SUBCATEGORY_LABELS = {
+  "infrastructure": "🔧 Infrastructure",
+  "bitcoin":        "₿ Bitcoin",
+  "communication":  "💬 Communication",
+  "nostr":          "📡 Nostr",
+};
+
+const FEATURE_SUBCATEGORY_ORDER = ["infrastructure", "bitcoin", "communication", "nostr"];
+
+const STATUS_LOADING_STATES = new Set([
+  "reloading", "activating", "deactivating", "maintenance",
+]);