ToDo-Board: BoardModal, Roadmap, Wünsche, Unread-Polling

backend/src/db.js

@@ -284,6 +284,28 @@ for (const [k, v] of loginDefaults) {
     db.prepare('INSERT INTO admin_settings (key, value) VALUES (?, ?)').run(k, v);
 }
 
+// ── Ideen-Board ───────────────────────────────────────────────────────────────
+if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='board_items'").get()) {
+  db.exec(`
+    CREATE TABLE board_items (
+      id          INTEGER PRIMARY KEY AUTOINCREMENT,
+      type        TEXT NOT NULL CHECK(type IN ('roadmap','wish')),
+      user_id     INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+      title       TEXT NOT NULL,
+      description TEXT NOT NULL DEFAULT '',
+      created_at  DATETIME DEFAULT NULL
+    )
+  `);
+}
+if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='board_reads'").get()) {
+  db.exec(`
+    CREATE TABLE board_reads (
+      user_id     INTEGER PRIMARY KEY REFERENCES users(id) ON DELETE CASCADE,
+      last_read   DATETIME DEFAULT NULL
+    )
+  `);
+}
+
 // ── Link-Liste ────────────────────────────────────────────────────────────────
 if (!db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='link_list'").get()) {
   db.exec(`