feat: violet-chaton v2 — palette originale, kitty, AGS, Maple Mono NF

Refonte complete du rice. Palette 100% originale (Mitsuri Kanroji inspired),
zero emprunt Dracula/Catppuccin. 50 fichiers, 3200+ lignes.

Palette v2:
- palette.sh source de verite unique (dark + light)
- 5 accents (magenta, lilac, mitsuri, lavande, champagne)
- 4 semantiques derivees, 4 niveaux texte, 6 fonds
- Gradient signature: magenta → lilac → lavande → mitsuri
- Variante Light: fonds lavande, accents assombris WCAG

Terminal:
- kitty (remplace COSMIC Term comme principal)
- Maple Mono NF (cursive italics, ligatures)
- Cursor trail magenta, splits/layouts tiling, undercurl
- Vi-mode zsh avec cursor shape adaptatif

Shell:
- starship 3 lignes (palette nommee, brain_name, battery, sudo)
- zshrc v2 (nouveaux outils, fzf pimp, shell functions, vi-mode)
- Commandes custom: proj, glog, fkill, colors, hotkeys, weather, y

Desktop:
- AGS config (bar 3-pills, OSD gradient, launcher, notifications)
- COSMIC Dark + Light v2 (7 fichiers RON chacun)
- COSMIC Term v2 (color schemes dark/light, Maple Mono NF)
- GTK3/GTK4 dark + light css
- Vivaldi theme v2

Outils:
- +kitty +dust +procs +tokei +sd +hyperfine +gping +Maple Mono NF
- Propagation palette sur: bat, btop, cava, yazi, lazygit, rofi,
  delta, fastfetch, atuin, ls-colors, vivaldi
- Claude Code statusline brain-aware

Docs:
- README v2 complet (palette, structure, raccourcis, commandes)
- help.md v2 (reference exhaustive)

INSTALL/configs/ags/widgets/Launcher.js

@@ -0,0 +1,99 @@
+// ── violet-chaton v2 — Launcher widget ──────────────────────────────────────
+// App launcher avec recherche fuzzy
+
+const applications = await Service.import("applications");
+
+const AppItem = (app) => Widget.Button({
+    className: "app-item",
+    onClicked: () => {
+        app.launch();
+        App.closeWindow("launcher");
+    },
+    child: Widget.Box({
+        children: [
+            Widget.Icon({ icon: app.iconName || "application-x-executable", size: 24 }),
+            Widget.Box({
+                vertical: true,
+                children: [
+                    Widget.Label({
+                        label: app.name,
+                        xalign: 0,
+                        truncate: "end",
+                    }),
+                    Widget.Label({
+                        label: app.description || "",
+                        xalign: 0,
+                        truncate: "end",
+                        className: "description",
+                        css: "color: #716686; font-size: 11px; font-weight: normal;",
+                    }),
+                ],
+            }),
+        ],
+    }),
+});
+
+export const Launcher = (monitor) => {
+    let apps = applications.list;
+
+    const list = Widget.Box({
+        vertical: true,
+        spacing: 2,
+    });
+
+    const entry = Widget.Entry({
+        className: "search",
+        placeholderText: "Rechercher...",
+        onAccept: () => {
+            const first = apps[0];
+            if (first) {
+                first.launch();
+                App.closeWindow("launcher");
+            }
+        },
+        onChange: ({ text }) => {
+            apps = applications.query(text || "");
+            list.children = apps.slice(0, 12).map(AppItem);
+
+            if (apps.length === 0) {
+                list.children = [Widget.Label({
+                    className: "no-results",
+                    label: "Aucun resultat",
+                })];
+            }
+        },
+    });
+
+    return Widget.Window({
+        name: "launcher",
+        monitor,
+        anchor: ["top"],
+        layer: "overlay",
+        visible: false,
+        keymode: "exclusive",
+        setup: (self) => {
+            self.keybind("Escape", () => App.closeWindow("launcher"));
+            self.hook(App, (_, name, visible) => {
+                if (name === "launcher" && visible) {
+                    entry.text = "";
+                    apps = applications.list;
+                    list.children = apps.slice(0, 12).map(AppItem);
+                    entry.grab_focus();
+                }
+            });
+        },
+        child: Widget.Box({
+            className: "launcher",
+            vertical: true,
+            children: [
+                Widget.Scrollable({
+                    hscroll: "never",
+                    vscroll: "automatic",
+                    css: "min-height: 400px;",
+                    child: list,
+                }),
+                entry,
+            ],
+        }),
+    });
+};