🚀 Release: CorePlan v1.0.1 Community Edition

src/database.php

@@ -5,9 +5,13 @@ try {
     $pdo = new PDO("sqlite:" . $dbPath);
     $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+    
+    // NEU: Concurrency Fixes für SQLite (verhindert "database is locked" Errors)
+    $pdo->setAttribute(PDO::ATTR_TIMEOUT, 5); 
+    $pdo->exec("PRAGMA journal_mode = WAL;"); 
+    $pdo->exec("PRAGMA busy_timeout = 5000;"); 
 
     $pdo->exec("CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, username TEXT UNIQUE NOT NULL, password_hash TEXT NOT NULL, role TEXT DEFAULT 'user')");
-    // Auto-Migration Users
     try { $pdo->exec("ALTER TABLE users ADD COLUMN email TEXT"); } catch (PDOException $e) {}
 
     $pdo->exec("CREATE TABLE IF NOT EXISTS audit_logs (id INTEGER PRIMARY KEY AUTOINCREMENT, user_id INTEGER, username TEXT, action TEXT, target TEXT, timestamp DATETIME DEFAULT CURRENT_TIMESTAMP)");
@@ -15,7 +19,6 @@ try {
     
     $pdo->exec("CREATE TABLE IF NOT EXISTS projects (id INTEGER PRIMARY KEY AUTOINCREMENT, client_id INTEGER DEFAULT 0, title TEXT NOT NULL, description TEXT, deadline DATETIME, status TEXT DEFAULT 'active', closed_at DATETIME, last_activity DATETIME DEFAULT CURRENT_TIMESTAMP, created_at DATETIME DEFAULT CURRENT_TIMESTAMP)");
     
-    // Auto-Migration Projekte
     try { $pdo->exec("ALTER TABLE projects ADD COLUMN closed_at DATETIME"); } catch (PDOException $e) {}
     try { $pdo->exec("ALTER TABLE projects ADD COLUMN close_comment TEXT"); } catch (PDOException $e) {}
     try { $pdo->exec("ALTER TABLE projects ADD COLUMN briefing TEXT"); } catch (PDOException $e) {}
@@ -23,7 +26,6 @@ try {
 
     $pdo->exec("CREATE TABLE IF NOT EXISTS tasks (id INTEGER PRIMARY KEY AUTOINCREMENT, project_id INTEGER NOT NULL, title TEXT NOT NULL, is_completed INTEGER DEFAULT 0, completed_by INTEGER, created_at DATETIME DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME DEFAULT CURRENT_TIMESTAMP)");
 
-    // Auto-Migration Tasks
     try { $pdo->exec("ALTER TABLE tasks ADD COLUMN deadline DATETIME"); } catch (PDOException $e) {}
     try { $pdo->exec("ALTER TABLE tasks ADD COLUMN completed_at DATETIME"); } catch (PDOException $e) {}
     try { $pdo->exec("ALTER TABLE tasks ADD COLUMN priority INTEGER DEFAULT 2"); } catch (PDOException $e) {}
@@ -37,9 +39,9 @@ try {
     $stmt = $pdo->query("SELECT COUNT(*) FROM users");
     if ($stmt->fetchColumn() == 0) {
         $hash = password_hash('admin', PASSWORD_DEFAULT);
-        // Admin ohne Mail initialisieren, kann später gelöscht/neu angelegt werden
         $pdo->prepare("INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)")->execute(['admin', $hash, 'admin']);
     }
 } catch (PDOException $e) {
     die(json_encode(['success' => false, 'error' => 'Datenbankfehler: ' . $e->getMessage()]));
-}
+}
+?>