Bridge komplett auf Claude Agent SDK umgebaut — Opus 4.6 funktioniert
- @anthropic-ai/claude-agent-sdk statt raw API oder CLI-Spawn - query() Funktion mit async generator für Streaming - OAuth-Auth funktioniert automatisch (Claude Max Abo) - Opus 4.6 als Default, kein Rate-Limit, ~5s Antwort - AbortController für STOPP-Button - Kein CLI-Overhead, keine Hooks, kein MCP-Init Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2 changed files with 89 additions and 196 deletions
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@ -22,6 +22,7 @@
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"vite": "^5.0.0"
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},
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"dependencies": {
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"@anthropic-ai/claude-agent-sdk": "^0.2.104",
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"@anthropic-ai/claude-code": "^0.2.0",
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"@anthropic-ai/sdk": "^0.88.0",
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"@tauri-apps/api": "^2.0.0",
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@ -1,105 +1,23 @@
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#!/usr/bin/env node
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// Claude Desktop — Bridge zwischen Tauri-Backend und Anthropic API
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// Claude Desktop — Bridge via Claude Agent SDK
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//
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// Direkte API-Anbindung statt Claude CLI — kein Overhead, ~2s Antwort
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//
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// Kommunikation: stdin/stdout als NDJSON
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//
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// Eingehend (von Tauri):
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// { "command": "message", "id": "req-1", "message": "Fixe den Bug..." }
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// { "command": "stop", "id": "req-2" }
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// { "command": "set-api-key", "id": "req-3", "apiKey": "sk-ant-..." }
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//
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// Ausgehend (an Tauri):
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// { "type": "event", "event": "ready" }
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// { "type": "event", "event": "agent-started", "payload": {...} }
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// { "type": "event", "event": "text", "payload": { "text": "..." } }
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// { "type": "event", "event": "result", "payload": { "cost": 0.01, ... } }
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// { "type": "event", "event": "agent-stopped", "payload": {...} }
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// Nutzt @anthropic-ai/claude-agent-sdk (query-Funktion)
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// OAuth-Auth funktioniert automatisch (Claude Max Abo)
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// Kein CLI-Spawn, kein Overhead — direkte SDK-Aufrufe
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import Anthropic from '@anthropic-ai/sdk';
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import { query } from '@anthropic-ai/claude-agent-sdk';
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import { createInterface } from 'node:readline';
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import { randomUUID } from 'node:crypto';
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import { readFileSync, writeFileSync, existsSync } from 'node:fs';
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import { join } from 'node:path';
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import { homedir } from 'node:os';
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// Prozess am Leben halten — MUSS vor allem anderen stehen
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// Prozess am Leben halten
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const keepAlive = setInterval(() => {}, 60000);
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process.stdin.resume(); // stdin offen halten auch ohne readline
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process.stdin.resume();
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// ============ State ============
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let client = null;
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let apiKey = null;
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let conversationHistory = []; // Messages für Multi-Turn
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let activeAbortController = null;
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const MODEL = process.env.CLAUDE_MODEL || 'claude-opus-4-20250514';
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const SYSTEM_PROMPT = `Du bist Claude, ein hilfreicher KI-Assistent von Anthropic.
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Du antwortest auf Deutsch. Du bist direkt, präzise und hilfreich.
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Wenn du Code schreibst, nutze Kommentare auf Deutsch.`;
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// ============ API-Key Management ============
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function getConfigPath() {
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return join(homedir(), '.claude', 'claude-desktop-config.json');
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}
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function loadApiKey() {
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// 1. Env-Var
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if (process.env.ANTHROPIC_API_KEY) {
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return process.env.ANTHROPIC_API_KEY;
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}
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// 2. Gespeicherte Config (eigener Key)
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const configPath = getConfigPath();
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if (existsSync(configPath)) {
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try {
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const config = JSON.parse(readFileSync(configPath, 'utf-8'));
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if (config.apiKey) return config.apiKey;
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} catch {}
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}
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// 3. Claude Code OAuth-Token (aus Claude Max Abo)
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const credentialsPath = join(homedir(), '.claude', '.credentials.json');
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if (existsSync(credentialsPath)) {
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try {
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const creds = JSON.parse(readFileSync(credentialsPath, 'utf-8'));
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const oauth = creds.claudeAiOauth;
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if (oauth?.accessToken) {
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// Prüfen ob Token noch gültig
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if (oauth.expiresAt && oauth.expiresAt > Date.now()) {
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process.stderr.write(`🔑 OAuth-Token aus Claude Code geladen (gültig bis ${new Date(oauth.expiresAt).toLocaleString('de-DE')})\n`);
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return oauth.accessToken;
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} else {
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process.stderr.write(`⚠️ OAuth-Token abgelaufen\n`);
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}
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}
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} catch {}
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}
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return null;
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}
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function saveApiKey(key) {
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const configPath = getConfigPath();
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try {
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const config = existsSync(configPath)
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? JSON.parse(readFileSync(configPath, 'utf-8'))
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: {};
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config.apiKey = key;
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writeFileSync(configPath, JSON.stringify(config, null, 2));
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} catch (err) {
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process.stderr.write(`Config speichern fehlgeschlagen: ${err.message}\n`);
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}
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}
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function initClient(key) {
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apiKey = key;
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client = new Anthropic({ apiKey: key });
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return true;
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}
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let activeAbort = null;
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let currentAgentId = null;
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const MODEL = process.env.CLAUDE_MODEL || 'opus';
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// ============ Kommunikation mit Tauri ============
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@ -119,93 +37,101 @@ function sendError(id, error) {
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sendToTauri({ type: 'response', id, error });
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}
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// ============ Claude API aufrufen ============
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// ============ Claude Agent SDK ============
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async function sendToAnthropic(message, requestId) {
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if (!client) {
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sendError(requestId, 'Kein API-Key gesetzt. Bitte zuerst API-Key konfigurieren.');
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sendEvent('agent-stopped', { id: 'none', code: 1 });
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return;
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}
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const agentId = randomUUID();
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// AbortController für STOPP
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activeAbortController = new AbortController();
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async function sendMessage(message, requestId) {
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currentAgentId = randomUUID();
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activeAbort = new AbortController();
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sendEvent('agent-started', {
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id: agentId,
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id: currentAgentId,
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type: 'Main',
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task: message.substring(0, 100),
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});
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sendResponse(requestId, { agentId, status: 'gestartet' });
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sendResponse(requestId, { agentId: currentAgentId, status: 'gestartet' });
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// Nachricht zur History hinzufügen
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conversationHistory.push({ role: 'user', content: message });
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const startTime = Date.now();
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let fullText = '';
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let usedModel = MODEL;
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try {
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const startTime = Date.now();
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// Streaming Response
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const stream = client.messages.stream({
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const conversation = query({
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prompt: message,
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options: {
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model: MODEL,
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max_tokens: 8192,
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system: SYSTEM_PROMPT,
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messages: conversationHistory,
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}, {
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signal: activeAbortController.signal,
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maxTurns: 25,
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abortController: activeAbort,
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},
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});
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let fullResponse = '';
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let inputTokens = 0;
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let outputTokens = 0;
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for await (const event of conversation) {
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switch (event.type) {
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case 'assistant':
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// Text aus der Nachricht extrahieren
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if (event.message?.content) {
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for (const block of event.message.content) {
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if (block.type === 'text' && block.text) {
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fullText += block.text;
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sendEvent('text', { text: block.text });
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}
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}
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}
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if (event.message?.model) {
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usedModel = event.message.model;
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}
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break;
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// Text-Chunks streamen
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stream.on('text', (text) => {
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fullResponse += text;
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sendEvent('text', { text });
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case 'tool_use':
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sendEvent('tool-start', {
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id: event.tool_use_id || randomUUID(),
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tool: event.name || 'unknown',
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input: event.input || {},
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});
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break;
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// Warten auf vollständige Antwort
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const finalMessage = await stream.finalMessage();
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inputTokens = finalMessage.usage?.input_tokens || 0;
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outputTokens = finalMessage.usage?.output_tokens || 0;
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// Kosten berechnen (Claude Sonnet 4 Preise)
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const cost = (inputTokens * 3 / 1_000_000) + (outputTokens * 15 / 1_000_000);
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const durationMs = Date.now() - startTime;
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// Antwort zur History hinzufügen
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conversationHistory.push({ role: 'assistant', content: fullResponse });
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case 'tool_result':
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sendEvent('tool-end', {
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id: event.tool_use_id || '',
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success: !event.is_error,
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});
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break;
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case 'result':
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// Endergebnis
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sendEvent('result', {
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text: fullResponse,
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cost,
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tokens: { input: inputTokens, output: outputTokens },
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duration_ms: durationMs,
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model: MODEL,
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text: fullText,
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cost: event.total_cost_usd || 0,
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tokens: {
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input: event.usage?.input_tokens || 0,
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output: event.usage?.output_tokens || 0,
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},
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session_id: event.session_id || '',
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duration_ms: Date.now() - startTime,
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model: usedModel,
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});
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break;
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sendEvent('agent-stopped', { id: agentId, code: 0 });
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default:
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// Andere Events still ignorieren
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break;
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}
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}
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} catch (err) {
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if (err.name === 'AbortError') {
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sendEvent('agent-stopped', { id: agentId, code: -1 });
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// Abgebrochen — kein Fehler
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} else {
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const errorMsg = err.message || String(err);
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sendEvent('text', { text: `\n\n**Fehler:** ${errorMsg}` });
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sendEvent('agent-stopped', { id: agentId, code: 1 });
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sendEvent('text', { text: `\n\n**Fehler:** ${err.message || err}` });
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}
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} finally {
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activeAbortController = null;
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sendEvent('agent-stopped', { id: currentAgentId, code: 0 });
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sendEvent('all-stopped');
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currentAgentId = null;
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activeAbort = null;
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}
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}
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// ============ Befehle verarbeiten ============
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// ============ Befehle von Tauri ============
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function handleCommand(msg) {
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switch (msg.command) {
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@ -214,38 +140,20 @@ function handleCommand(msg) {
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sendError(msg.id, 'Keine Nachricht angegeben');
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return;
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}
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sendToAnthropic(msg.message, msg.id);
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sendMessage(msg.message, msg.id);
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break;
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case 'stop':
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if (activeAbortController) {
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activeAbortController.abort();
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if (activeAbort) {
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activeAbort.abort();
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}
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sendResponse(msg.id, { status: 'gestoppt' });
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break;
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case 'set-api-key':
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if (!msg.apiKey) {
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sendError(msg.id, 'Kein API-Key angegeben');
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return;
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}
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initClient(msg.apiKey);
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saveApiKey(msg.apiKey);
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sendResponse(msg.id, { status: 'ok' });
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sendEvent('api-key-set');
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break;
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case 'clear-history':
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conversationHistory = [];
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sendResponse(msg.id, { status: 'ok', cleared: true });
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break;
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case 'status':
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sendResponse(msg.id, {
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hasApiKey: !!apiKey,
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model: MODEL,
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historyLength: conversationHistory.length,
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isProcessing: !!activeAbortController,
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isProcessing: !!currentAgentId,
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});
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break;
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@ -260,38 +168,22 @@ function handleCommand(msg) {
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// ============ Main ============
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// API-Key laden
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const savedKey = loadApiKey();
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if (savedKey) {
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initClient(savedKey);
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}
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// stdin zeilenweise lesen
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const rl = createInterface({ input: process.stdin });
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rl.on('line', (line) => {
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if (!line.trim()) return;
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try {
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const msg = JSON.parse(line);
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handleCommand(msg);
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handleCommand(JSON.parse(line));
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} catch (err) {
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process.stderr.write(`Ungültige Eingabe: ${err.message}\n`);
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}
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});
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// NICHT beenden wenn stdin schließt — wir warten auf weitere Befehle per stdin
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rl.on('close', () => {
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process.stderr.write('⚠️ stdin geschlossen — Bridge bleibt trotzdem aktiv\n');
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process.stderr.write('stdin geschlossen\n');
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});
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// Sauber beenden
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process.on('SIGTERM', () => { clearInterval(keepAlive); process.exit(0); });
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process.on('SIGINT', () => { clearInterval(keepAlive); process.exit(0); });
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// Bereit-Signal
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sendEvent('ready', {
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version: '0.2.0',
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pid: process.pid,
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hasApiKey: !!apiKey,
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model: MODEL,
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});
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// Bereit
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sendEvent('ready', { version: '1.0.0', pid: process.pid, model: MODEL });
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