diff --git a/password-applet@gilles/dbRepository.js b/password-applet@gilles/dbRepository.js
index e69de29..6154d25 100644
--- a/password-applet@gilles/dbRepository.js
+++ b/password-applet@gilles/dbRepository.js
@@ -0,0 +1,71 @@
+// dbRepository.js
+// Couche d’accès aux données pour l’extension.
+// Utilise le helper Python password_db.py pour manipuler SQLite.
+
+import GLib from 'gi://GLib';
+import Gio from 'gi://Gio';
+import * as ExtensionUtils from 'resource:///org/gnome/shell/misc/extensionUtils.js';
+
+const Me = ExtensionUtils.getCurrentExtension();
+
+const APP_DATA_DIR = GLib.build_filenamev([
+    GLib.get_home_dir(),
+    '.local', 'share', 'gnome-shell', 'password-applet'
+]);
+
+export class PasswordRepository {
+    constructor() {
+        this._helperPath = Me.dir.get_child('password_db.py').get_path();
+    }
+
+    init() {
+        if (!GLib.file_test(APP_DATA_DIR, GLib.FileTest.IS_DIR)) {
+            GLib.mkdir_with_parents(APP_DATA_DIR, 0o700);
+        }
+        this._runHelperSync(['init']);
+    }
+
+    listEntries() {
+        const stdout = this._runHelperSync(['list']);
+        if (!stdout)
+            return [];
+
+        try {
+            return JSON.parse(stdout);
+        } catch (e) {
+            logError(e, 'Erreur JSON listEntries');
+            return [];
+        }
+    }
+
+    addEntry(entry) {
+        const payload = JSON.stringify(entry);
+        this._runHelperSync(['add'], payload);
+    }
+
+    _runHelperSync(args, stdinText = '') {
+        const argv = ['python3', this._helperPath, ...args];
+
+        const proc = new Gio.Subprocess({
+            argv,
+            flags: Gio.SubprocessFlags.STDOUT_PIPE |
+                   Gio.SubprocessFlags.STDERR_PIPE,
+        });
+
+        try {
+            proc.init(null);
+        } catch (e) {
+            logError(e, 'Impossible de lancer password_db.py');
+            return '';
+        }
+
+        const [ok, stdout, stderr] = proc.communicate_utf8(stdinText, null);
+
+        if (!ok || !proc.get_successful()) {
+            log(`password_db.py error: ${stderr}`);
+            return '';
+        }
+
+        return stdout.trim();
+    }
+}
diff --git a/password-applet@gilles/extension.js b/password-applet@gilles/extension.js
index e69de29..e149c10 100644
--- a/password-applet@gilles/extension.js
+++ b/password-applet@gilles/extension.js
@@ -0,0 +1,32 @@
+// extension.js
+// Point d’entrée de l’extension GNOME Shell Password Applet.
+
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import * as ExtensionUtils from 'resource:///org/gnome/shell/misc/extensionUtils.js';
+
+import { PasswordRepository } from './dbRepository.js';
+import { PasswordApplet } from './uiComponents.js';
+
+let applet;
+let repository;
+
+export function init() {
+    // Initialisation minimale
+}
+
+export function enable() {
+    repository = new PasswordRepository();
+    repository.init();
+
+    applet = new PasswordApplet(repository);
+
+    Main.panel.addToStatusArea('password-applet', applet, 1, 'right');
+}
+
+export function disable() {
+    if (applet) {
+        applet.destroy();
+        applet = null;
+    }
+    repository = null;
+}
diff --git a/password-applet@gilles/metadata.json b/password-applet@gilles/metadata.json
index e69de29..1e9128f 100644
--- a/password-applet@gilles/metadata.json
+++ b/password-applet@gilles/metadata.json
@@ -0,0 +1,9 @@
+{
+  "uuid": "password-applet@gilles",
+  "name": "Password Applet",
+  "description": "Mini gestionnaire de mots de passe dans la barre supérieure.",
+  "shell-version": ["45", "46"],
+  "version": 1,
+  "settings-schema": "org.gnome.shell.extensions.password-applet",
+  "stylesheet": "stylesheet.css"
+}
diff --git a/password-applet@gilles/password_db.py b/password-applet@gilles/password_db.py
old mode 100644
new mode 100755
index e69de29..686cd87
--- a/password-applet@gilles/password_db.py
+++ b/password-applet@gilles/password_db.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python3
+"""Helper SQLite pour l’extension Password Applet.
+
+Commandes :
+  - init : initialise la base
+  - list : renvoie les entrées
+  - add  : ajoute une entrée
+
+Note :
+  Le champ password_enc stocke le mot de passe en clair (MVP).
+"""
+
+import json
+import os
+import sqlite3
+import sys
+from datetime import datetime
+
+APP_DATA_DIR = os.path.join(
+    os.path.expanduser('~'),
+    '.local', 'share', 'gnome-shell', 'password-applet'
+)
+DB_PATH = os.path.join(APP_DATA_DIR, 'passwords.db')
+
+SCHEMA = """
+CREATE TABLE IF NOT EXISTS entries (
+    id              INTEGER PRIMARY KEY AUTOINCREMENT,
+    label           TEXT NOT NULL,
+    username        TEXT NOT NULL,
+    password_enc    TEXT NOT NULL,
+    url             TEXT,
+    notes           TEXT,
+    is_favorite     INTEGER NOT NULL DEFAULT 0,
+    created_at      TEXT NOT NULL,
+    updated_at      TEXT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS settings (
+    key   TEXT PRIMARY KEY,
+    value TEXT NOT NULL
+);
+"""
+
+def ensure_db():
+    os.makedirs(APP_DATA_DIR, exist_ok=True)
+    conn = sqlite3.connect(DB_PATH)
+    try:
+        conn.executescript(SCHEMA)
+        conn.commit()
+    finally:
+        conn.close()
+
+def encrypt_password(plain: str) -> str:
+    return plain  # Pour le MVP, rien
+
+def cmd_init():
+    ensure_db()
+
+def cmd_list():
+    ensure_db()
+    conn = sqlite3.connect(DB_PATH)
+    conn.row_factory = sqlite3.Row
+    try:
+        cur = conn.execute(
+            "SELECT id, label, username, password_enc, url, notes, "
+            "is_favorite, created_at, updated_at "
+            "FROM entries ORDER BY created_at DESC"
+        )
+        rows = [dict(row) for row in cur.fetchall()]
+    finally:
+        conn.close()
+
+    print(json.dumps(rows))
+
+def cmd_add():
+    ensure_db()
+    raw = sys.stdin.read()
+    data = json.loads(raw or '{}')
+
+    label = (data.get('label') or '').strip()
+    username = (data.get('username') or '').strip()
+    password = (data.get('password') or '').strip()
+    url = (data.get('url') or '').strip() or None
+    notes = (data.get('notes') or '').strip() or None
+
+    if not label or not username or not password:
+        print('Missing required fields', file=sys.stderr)
+        sys.exit(1)
+
+    password_enc = encrypt_password(password)
+    now = datetime.utcnow().isoformat(timespec='seconds') + 'Z'
+
+    conn = sqlite3.connect(DB_PATH)
+    try:
+        conn.execute(
+            "INSERT INTO entries (label, username, password_enc, url, notes, "
+            "is_favorite, created_at, updated_at) VALUES (?, ?, ?, ?, ?, 0, ?, ?)",
+            (label, username, password_enc, url, notes, now, now)
+        )
+        conn.commit()
+    finally:
+        conn.close()
+
+def main(argv):
+    if len(argv) < 2:
+        print("Usage: password_db.py [init|list|add]")
+        return 1
+
+    cmd = argv[1]
+
+    if cmd == "init":
+        cmd_init()
+    elif cmd == "list":
+        cmd_list()
+    elif cmd == "add":
+        cmd_add()
+    else:
+        print(f"Unknown command: {cmd}", file=sys.stderr)
+        return 1
+
+if __name__ == "__main__":
+    raise SystemExit(main(sys.argv))
diff --git a/password-applet@gilles/stylesheet.css b/password-applet@gilles/stylesheet.css
new file mode 100644
index 0000000..34a2bcb
--- /dev/null
+++ b/password-applet@gilles/stylesheet.css
@@ -0,0 +1,70 @@
+/* stylesheet.css */
+/* Style du mini gestionnaire de mots de passe GNOME Shell */
+
+/* Lien cliquable (URL présente) */
+.password-applet-label-link {
+    color: #5da5ff;
+}
+
+/* Nom d’utilisateur */
+.password-applet-username {
+    margin-left: 8px;
+}
+
+/* Mot de passe masqué */
+.password-applet-password {
+    margin-left: 8px;
+    font-family: monospace;
+    opacity: 0.7;
+}
+
+/* Boutons copier (User / Password) */
+.password-applet-copy-btn {
+    margin-left: 6px;
+    padding: 0 6px;
+    border-radius: 6px;
+    background-color: #3a3a3a;
+    color: white;
+}
+
+.password-applet-copy-btn:hover {
+    background-color: #4d4d4d;
+}
+
+/* Champs de formulaire */
+.password-applet-entry {
+    min-width: 220px;
+    padding: 4px;
+    border-radius: 6px;
+    background-color: rgba(255,255,255,0.08);
+}
+
+/* Bouton Enregistrer */
+.password-applet-save-btn {
+    padding: 4px 12px;
+    margin-right: 6px;
+    background-color: #4caf50;
+    color: white;
+    border-radius: 6px;
+}
+
+.password-applet-save-btn:hover {
+    background-color: #45a047;
+}
+
+/* Bouton Annuler */
+.password-applet-cancel-btn {
+    padding: 4px 12px;
+    background-color: #d9534f;
+    color: white;
+    border-radius: 6px;
+}
+
+.password-applet-cancel-btn:hover {
+    background-color: #c9302c;
+}
+
+/* Ligne + Formulaire */
+.password-applet-form-row {
+    margin-bottom: 6px;
+}
diff --git a/password-applet@gilles/uiComponents.js b/password-applet@gilles/uiComponents.js
index e69de29..a223226 100644
--- a/password-applet@gilles/uiComponents.js
+++ b/password-applet@gilles/uiComponents.js
@@ -0,0 +1,178 @@
+// uiComponents.js
+// UI du mini gestionnaire de mots de passe.
+
+import St from 'gi://St';
+import Gio from 'gi://Gio';
+import GLib from 'gi://GLib';
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import * as PanelMenu from 'resource:///org/gnome/shell/ui/panelMenu.js';
+import * as PopupMenu from 'resource:///org/gnome/shell/ui/popupMenu.js';
+import * as ExtensionUtils from 'resource:///org/gnome/shell/misc/extensionUtils.js';
+
+const Clutter = imports.gi.Clutter;
+const Clipboard = St.Clipboard.get_default();
+const ClipboardType = St.ClipboardType.CLIPBOARD;
+
+function copyToClipboard(text) {
+    if (text)
+        Clipboard.set_text(ClipboardType, text);
+}
+
+export class PasswordEntryRow extends PopupMenu.PopupBaseMenuItem {
+    constructor(entry) {
+        super({ reactive: true });
+
+        const box = new St.BoxLayout({ vertical: false, x_expand: true });
+
+        let labelWidget;
+        if (entry.url) {
+            labelWidget = new St.Label({
+                text: entry.label,
+                style_class: 'password-applet-label-link',
+                x_expand: true
+            });
+            labelWidget.clutter_text.underline = true;
+            labelWidget.connect('button-press-event', () => {
+                Gio.AppInfo.launch_default_for_uri(entry.url, null);
+            });
+        } else {
+            labelWidget = new St.Label({ text: entry.label, x_expand: true });
+        }
+
+        box.add_child(labelWidget);
+
+        box.add_child(new St.Label({ text: entry.username, x_expand: true }));
+        box.add_child(new St.Label({ text: '••••••••' }));
+
+        const uBtn = new St.Button({ label: 'U' });
+        uBtn.connect('clicked', () => copyToClipboard(entry.username));
+        box.add_child(uBtn);
+
+        const pBtn = new St.Button({ label: 'P' });
+        pBtn.connect('clicked', () => copyToClipboard(entry.password_enc));
+        box.add_child(pBtn);
+
+        this.actor.add_child(box);
+    }
+}
+
+export class PasswordListSection extends PopupMenu.PopupMenuSection {
+    setEntries(entries) {
+        this.removeAll();
+
+        if (!entries.length) {
+            this.addMenuItem(new PopupMenu.PopupMenuItem(
+                'Aucune entrée', { reactive: false }
+            ));
+            return;
+        }
+
+        for (const e of entries)
+            this.addMenuItem(new PasswordEntryRow(e));
+    }
+}
+
+export class AddEntrySection extends PopupMenu.PopupMenuSection {
+    constructor(repo, refreshCb) {
+        super();
+        this._repo = repo;
+        this._refreshCb = refreshCb;
+        this._showAddButton();
+    }
+
+    _showAddButton() {
+        this.removeAll();
+        const item = new PopupMenu.PopupMenuItem('➕ Ajouter une entrée');
+        item.connect('activate', () => this._showForm());
+        this.addMenuItem(item);
+    }
+
+    _showForm() {
+        this.removeAll();
+        const wrapper = new PopupMenu.PopupBaseMenuItem({ reactive: false });
+        const box = new St.BoxLayout({ vertical: true });
+
+        const mkEntry = hint =>
+            new St.Entry({ hint_text: hint, style_class: 'password-applet-entry' });
+
+        const label = mkEntry("Label");
+        const user = mkEntry("User");
+        const pwd = mkEntry("Password");
+        const url = mkEntry("URL");
+        const notes = mkEntry("Notes");
+
+        const mkRow = (name, widget) => {
+            const row = new St.BoxLayout();
+            row.add_child(new St.Label({ text: name + " : " }));
+            row.add_child(widget);
+            return row;
+        };
+
+        box.add_child(mkRow("Label", label));
+        box.add_child(mkRow("User", user));
+        box.add_child(mkRow("Password", pwd));
+        box.add_child(mkRow("URL", url));
+        box.add_child(mkRow("Notes", notes));
+
+        const btnRow = new St.BoxLayout();
+
+        const save = new St.Button({ label: "Enregistrer" });
+        save.connect('clicked', () => {
+            const entry = {
+                label: label.get_text().trim(),
+                username: user.get_text().trim(),
+                password: pwd.get_text().trim(),
+                url: url.get_text().trim(),
+                notes: notes.get_text().trim()
+            };
+
+            if (!entry.label || !entry.username || !entry.password) {
+                Main.notify("Password Applet", "Champs obligatoires manquants");
+                return;
+            }
+
+            this._repo.addEntry(entry);
+            this._refreshCb();
+            this._showAddButton();
+        });
+
+        const cancel = new St.Button({ label: "Annuler" });
+        cancel.connect('clicked', () => this._showAddButton());
+
+        btnRow.add_child(save);
+        btnRow.add_child(cancel);
+
+        box.add_child(btnRow);
+        wrapper.actor.add_child(box);
+
+        this.addMenuItem(wrapper);
+    }
+}
+
+export class PasswordApplet extends PanelMenu.Button {
+    constructor(repo) {
+        super(0.0, 'PasswordApplet', false);
+
+        this._repo = repo;
+
+        this.add_child(new St.Icon({
+            icon_name: 'dialog-password-symbolic',
+            style_class: 'system-status-icon'
+        }));
+
+        this._list = new PasswordListSection();
+        this.menu.addMenuItem(this._list);
+
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+
+        this._add = new AddEntrySection(repo, () => this._reload());
+        this.menu.addMenuItem(this._add);
+
+        this._reload();
+    }
+
+    _reload() {
+        const entries = this._repo.listEntries();
+        this._list.setEntries(entries);
+    }
+}