feat(waybar): island floating 3-pills + popups + deploy

- Config waybar 3-pills glassmorphism (left/center/right)
- Scripts : gpu, network, power-profile (toggle+luminosité/profil),
  cava daemon+reader, wob (volume/luminosité), rofi-launcher
- Popup media GTK3 : volume sortie+entrée + luminosité (vc-media-popup.py)
- Profil énergie : cycle balanced→low-power→performance avec brightnessctl
- Autostart COSMIC : waybar.desktop + wob.desktop
- Thème COSMIC Light ajouté (accent violet-chaton)
- deploy : +autostart, +sudoers platform_profile, +udev platform_profile,
  +scripts .py waybar, +CosmicTheme.Light

INSTALL/themes/violet-chaton-wofi-power.css

@@ -0,0 +1,54 @@
+/* ── violet-chaton wofi — power menu (sans barre de recherche) ─────────────── */
+
+window {
+    background-color: rgba(52, 28, 74, 0.88);
+    border:           2px solid rgba(255, 121, 198, 0.28);
+    border-radius:    14px;
+    font-family:      "JetBrainsMono Nerd Font";
+    font-size:        13px;
+    font-weight:      bold;
+}
+
+/* Cacher complètement la barre de recherche */
+#input {
+    min-height:       0;
+    min-width:        0;
+    padding:          0;
+    margin:           0;
+    border:           0;
+    opacity:          0;
+}
+
+#outer-box {
+    padding:          0;
+    border-radius:    14px;
+}
+
+#scroll {
+    margin:           6px 0;
+}
+
+#inner-box {
+    padding:          4px 6px;
+}
+
+#entry {
+    border-radius:    8px;
+    padding:          9px 14px;
+    margin:           1px 0;
+    border:           1px solid transparent;
+}
+
+#entry:selected {
+    background-color: rgba(243, 139, 168, 0.16);
+    border-color:     rgba(243, 139, 168, 0.35);
+}
+
+#text {
+    color:            #f8f8f2;
+    font-family:      "JetBrainsMono Nerd Font";
+}
+
+#text:selected {
+    color:            #f38ba8;
+}