feat(client/lightweight): import demo database

apps/client/src/lightweight/sql_provider.ts

@@ -1,6 +1,7 @@
 import type { DatabaseProvider, RunResult, Statement, Transaction } from "@triliumnext/core";
 import sqlite3InitModule from "@sqlite.org/sqlite-wasm";
 import type { BindableValue } from "@sqlite.org/sqlite-wasm";
+import demoDbSql from "./db.sql?raw";
 
 // Type definitions for SQLite WASM (the library doesn't export these directly)
 type Sqlite3Module = Awaited<ReturnType<typeof sqlite3InitModule>>;
@@ -204,8 +205,17 @@ export default class BrowserSqlProvider implements DatabaseProvider {
 
     loadFromMemory(): void {
         this.ensureSqlite3();
+        console.log("[BrowserSqlProvider] Loading demo database...");
+        const startTime = performance.now();
+        
         this.db = new this.sqlite3!.oo1.DB(":memory:", "c");
         this.db.exec("PRAGMA journal_mode = WAL");
+        
+        // Load the demo database by default
+        this.db.exec(demoDbSql);
+        
+        const loadTime = performance.now() - startTime;
+        console.log(`[BrowserSqlProvider] Demo database loaded in ${loadTime.toFixed(2)}ms`);
     }
 
     loadFromBuffer(buffer: Uint8Array): void {

apps/client/src/local-server-worker.ts

@@ -3,8 +3,8 @@
 // import { createCoreServer } from "@trilium/core"; (bundled)
 
 import BrowserExecutionContext from './lightweight/cls_provider';
-import BrowserSqlProvider from './lightweight/sql_provider';
 import BrowserCryptoProvider from './lightweight/crypto_provider';
+import BrowserSqlProvider from './lightweight/sql_provider';
 
 // Global error handlers - MUST be set up before any async imports
 self.onerror = (message, source, lineno, colno, error) => {
@@ -70,19 +70,6 @@ async function initSQLite(): Promise<void> {
             // Open an in-memory database
             sqlProvider.loadFromMemory();
             console.log("[Worker] Database opened via provider");
-
-            // Create a simple test table
-            sqlProvider.exec(`
-                CREATE TABLE IF NOT EXISTS options (
-                    name TEXT PRIMARY KEY,
-                    value TEXT
-                );
-                INSERT INTO options (name, value) VALUES
-                    ('theme', 'dark'),
-                    ('layoutOrientation', 'vertical'),
-                    ('headingStyle', 'default');
-            `);
-            console.log("[Worker] Test table created and populated");
         } catch (error) {
             sqlInitError = String(error);
             console.error("[Worker] SQLite initialization failed:", error);
@@ -120,7 +107,7 @@ async function loadCoreModule() {
                     // No-op for now
                 }
             }
-        })
+        });
         console.log("[Worker] @triliumnext/core loaded successfully");
         return coreModule;
     } catch (e) {