Fix: Bridge-Prozess im Projektverzeichnis starten (node_modules)

current_dir() auf Projektroot setzen damit Node.js die
node_modules/@anthropic-ai/sdk findet.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src-tauri/src/claude.rs

@@ -93,8 +93,16 @@ pub fn start_bridge(app: &AppHandle) -> Result<(), String> {
 
     println!("🔌 Starte Claude Bridge: {:?}", script_path);
 
+    // Arbeitsverzeichnis = Projektroot (wo node_modules liegt)
+    let project_dir = script_path.parent()
+        .and_then(|p| p.parent())
+        .unwrap_or_else(|| std::path::Path::new("."));
+
+    println!("📂 Bridge Arbeitsverzeichnis: {:?}", project_dir);
+
     let mut child = Command::new("node")
         .arg(&script_path)
+        .current_dir(project_dir)
         .stdin(Stdio::piped())
         .stdout(Stdio::piped())
         .stderr(Stdio::piped())