feat: Projekt-Wechsel mit File-Browser + Nix-Wrapper Audio-Fixes [appimage]

- File-Browser Dialog (tauri-plugin-dialog) für Projektverzeichnis-Auswahl
- Auto-Name aus Verzeichnisname beim Projekt-Hinzufügen
- Nix-Wrapper: GStreamer Core-Plugins (valve) + ffmpeg-headless im PATH
- Nix-Wrapper: Version 0.1.1 mit korrektem gstreamer.out Output

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

nix/default.nix

@@ -52,15 +52,16 @@ let
   ];
 
   gstPluginPath = pkgs.lib.concatMapStringsSep ":" (p: "${p}/lib/gstreamer-1.0") gstPlugins
+    + ":${pkgs.gst_all_1.gstreamer.out}/lib/gstreamer-1.0"
     + ":${pkgs.pipewire}/lib/gstreamer-1.0";
 
   # Laufzeit-Binaries die die App spawnen muss (node fuer claude-bridge.js,
   # npm fuer apply_bundle_update, tar fuer Bundle-Extract)
-  runtimeBins = [ pkgs.nodejs_22 pkgs.gnutar pkgs.gzip ];
+  runtimeBins = [ pkgs.nodejs_22 pkgs.gnutar pkgs.gzip pkgs.ffmpeg-headless ];
 in
 pkgs.stdenv.mkDerivation {
   pname = "claude-desktop";
-  version = "0.1.0";
+  version = "0.1.1";
   # Keine Quelldateien — Wir packen nur Wrapper + Desktop-Entry
   dontUnpack = true;
 

package-lock.json

@@ -12,6 +12,7 @@
         "@anthropic-ai/claude-code": "^0.2.0",
         "@anthropic-ai/sdk": "^0.88.0",
         "@tauri-apps/api": "^2.0.0",
+        "@tauri-apps/plugin-dialog": "^2.7.0",
         "@tauri-apps/plugin-shell": "^2.0.0",
         "marked": "^18.0.0",
         "mermaid": "^11.4.0",
@@ -1821,6 +1822,15 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@tauri-apps/plugin-dialog": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-dialog/-/plugin-dialog-2.7.0.tgz",
+      "integrity": "sha512-4nS/hfGMGCXiAS3LtVjH9AgsSAPJeG/7R+q8agTFqytjnMa4Zq95Bq8WzVDkckpanX+yyRHXnRtrKXkANKDHvw==",
+      "license": "MIT OR Apache-2.0",
+      "dependencies": {
+        "@tauri-apps/api": "^2.10.1"
+      }
+    },
     "node_modules/@tauri-apps/plugin-shell": {
       "version": "2.3.5",
       "resolved": "https://registry.npmjs.org/@tauri-apps/plugin-shell/-/plugin-shell-2.3.5.tgz",

package.json

@@ -26,6 +26,7 @@
     "@anthropic-ai/claude-code": "^0.2.0",
     "@anthropic-ai/sdk": "^0.88.0",
     "@tauri-apps/api": "^2.0.0",
+    "@tauri-apps/plugin-dialog": "^2.7.0",
     "@tauri-apps/plugin-shell": "^2.0.0",
     "marked": "^18.0.0",
     "mermaid": "^11.4.0",

src-tauri/Cargo.lock

@@ -490,6 +490,7 @@ dependencies = [
  "sha2",
  "tauri",
  "tauri-build",
+ "tauri-plugin-dialog",
  "tauri-plugin-shell",
  "tokio",
  "tokio-tungstenite",
@@ -2743,6 +2744,7 @@ checksum = "e3e0adef53c21f888deb4fa59fc59f7eb17404926ee8a6f59f5df0fd7f9f3272"
 dependencies = [
  "bitflags 2.11.0",
  "block2",
+ "libc",
  "objc2",
  "objc2-core-foundation",
 ]
@@ -3618,6 +3620,30 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "rfd"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a15ad77d9e70a92437d8f74c35d99b4e4691128df018833e99f90bcd36152672"
+dependencies = [
+ "block2",
+ "dispatch2",
+ "glib-sys",
+ "gobject-sys",
+ "gtk-sys",
+ "js-sys",
+ "log",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-core-foundation",
+ "objc2-foundation",
+ "raw-window-handle",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows-sys 0.60.2",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.14"
@@ -4637,6 +4663,48 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "tauri-plugin-dialog"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1fa4150c95ae391946cc8b8f905ab14797427caba3a8a2f79628e956da91809"
+dependencies = [
+ "log",
+ "raw-window-handle",
+ "rfd",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-plugin",
+ "tauri-plugin-fs",
+ "thiserror 2.0.18",
+ "url",
+]
+
+[[package]]
+name = "tauri-plugin-fs"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36e1ec28b79f3d0683f4507e1615c36292c0ea6716668770d4396b9b39871ed8"
+dependencies = [
+ "anyhow",
+ "dunce",
+ "glob",
+ "log",
+ "objc2-foundation",
+ "percent-encoding",
+ "schemars 0.8.22",
+ "serde",
+ "serde_json",
+ "serde_repr",
+ "tauri",
+ "tauri-plugin",
+ "tauri-utils",
+ "thiserror 2.0.18",
+ "toml 0.9.12+spec-1.1.0",
+ "url",
+]
+
 [[package]]
 name = "tauri-plugin-shell"
 version = "2.3.5"

src-tauri/Cargo.toml

@@ -27,6 +27,7 @@ base64 = "0.22"
 tokio-tungstenite = "0.23"
 futures-util = "0.3"
 sha2 = "0.10"
+tauri-plugin-dialog = "2.7.0"
 
 [target.'cfg(target_os = "linux")'.dependencies]
 webkit2gtk = "2.0"

src-tauri/capabilities/default.json

@@ -16,6 +16,7 @@
     "shell:allow-execute",
     "shell:allow-spawn",
     "shell:allow-stdin-write",
-    "shell:allow-kill"
+    "shell:allow-kill",
+    "dialog:allow-open"
   ]
 }

src-tauri/src/lib.rs

@@ -33,6 +33,7 @@ mod chat_window;
 pub fn run() {
     tauri::Builder::default()
         .plugin(tauri_plugin_shell::init())
+        .plugin(tauri_plugin_dialog::init())
         .manage(Arc::new(Mutex::new(claude::ClaudeState::default())))
         .manage(guard::GuardState::new(Mutex::new(guard::GuardRails::new())))
         .manage::<hooks::HookState>(Arc::new(Mutex::new(hooks::HookManager::default())))

src/lib/components/SessionList.svelte

@@ -2,6 +2,7 @@
 	import { onMount, onDestroy } from 'svelte';
 	import { invoke } from '@tauri-apps/api/core';
 	import { listen, type UnlistenFn } from '@tauri-apps/api/event';
+	import { open } from '@tauri-apps/plugin-dialog';
 	import { messages, clearAll, isProcessing, currentSessionId, setMessagesFromDb, type DbMessage } from '$lib/stores/app';
 
 	interface Session {
@@ -53,6 +54,27 @@
 		}
 	}
 
+	async function browseDir() {
+		try {
+			const selected = await open({
+				directory: true,
+				multiple: false,
+				title: 'Projektverzeichnis wählen',
+				defaultPath: '/mnt',
+			});
+			if (selected && typeof selected === 'string') {
+				newProjectDir = selected;
+				// Auto-Name aus Verzeichnisname wenn leer
+				if (!newProjectName.trim()) {
+					const parts = selected.replace(/\/+$/, '').split('/');
+					newProjectName = parts[parts.length - 1] || '';
+				}
+			}
+		} catch (err) {
+			console.error('Fehler beim Verzeichnis-Dialog:', err);
+		}
+	}
+
 	async function addProject() {
 		const name = newProjectName.trim();
 		const dir = newProjectDir.trim();
@@ -274,14 +296,18 @@
 							placeholder="Projektname"
 							onkeydown={(e: KeyboardEvent) => e.key === 'Enter' && addProject()}
 						/>
+						<div class="dir-input-row">
 							<input
 								type="text"
 								bind:value={newProjectDir}
-							placeholder="Verzeichnis (/mnt/...)"
+								placeholder="Verzeichnis wählen..."
 								onkeydown={(e: KeyboardEvent) => e.key === 'Enter' && addProject()}
+								readonly
 							/>
+							<button class="btn-browse" onclick={browseDir} title="Verzeichnis wählen">📂</button>
+						</div>
 						<div class="project-add-buttons">
-							<button class="btn-create" onclick={addProject}>Anlegen</button>
+							<button class="btn-create" onclick={addProject} disabled={!newProjectName.trim() || !newProjectDir.trim()}>Anlegen</button>
 							<button class="btn-cancel" onclick={() => { showProjectAdd = false; newProjectName = ''; newProjectDir = ''; }}>Abbrechen</button>
 						</div>
 					</div>
@@ -541,6 +567,28 @@
 		padding: var(--spacing-xs) var(--spacing-sm);
 	}
 
+	.dir-input-row {
+		display: flex;
+		gap: var(--spacing-xs);
+	}
+
+	.dir-input-row input {
+		flex: 1;
+		cursor: pointer;
+	}
+
+	.btn-browse {
+		padding: var(--spacing-xs) var(--spacing-sm);
+		background: var(--accent);
+		border-radius: var(--radius-sm);
+		font-size: 0.75rem;
+		flex-shrink: 0;
+	}
+
+	.btn-browse:hover {
+		background: var(--accent-hover);
+	}
+
 	.project-add-buttons {
 		display: flex;
 		gap: var(--spacing-xs);