Initial commit: OpenClaw Skill Collection

6 custom skills (assign-task, dispatch-webhook, daily-briefing,
task-capture, qmd-brain, tts-voice) with technical documentation.
Compatible with Claude Code, OpenClaw, Codex CLI, and OpenCode.

skills/tts-voice/handler.ts

@@ -0,0 +1,192 @@
+/**
+ * tts-voice skill
+ * 文字轉語音：透過本機 LuxTTS API 合成語音
+ *
+ * 依賴：
+ *   - LuxTTS server running on port 7860 (systemd user service)
+ *   - ~/LuxTTS/.env (LUXTTS_USER, LUXTTS_PASS)
+ *   - curl CLI
+ */
+
+import { execSync } from 'child_process';
+import { readFileSync, existsSync, unlinkSync } from 'fs';
+
+const LUXTTS_BASE = 'http://localhost:7860';
+const REF_AUDIO = '/home/selig/LuxTTS/ref_speech.wav';
+const ENV_PATH = '/home/selig/LuxTTS/.env';
+const COOKIE_JAR = '/tmp/luxtts-skill-cookie';
+
+// Trigger keywords to strip from user message
+const TRIGGER_WORDS = [
+  '文字轉語音', '語音合成', '唸出來', '說出來', '轉語音',
+  'tts', 'voice',
+];
+
+// Speed/quality modifiers
+const MODIFIERS: Record<string, Partial<TtsParams>> = {
+  '慢速': { speed: 0.8 },
+  'slow': { speed: 0.8 },
+  '快速': { speed: 1.3 },
+  'fast': { speed: 1.3 },
+  '高品質': { numSteps: 6, tShift: 0.95 },
+  'hq': { numSteps: 6, tShift: 0.95 },
+};
+
+interface TtsParams {
+  speed: number;
+  numSteps: number;
+  tShift: number;
+}
+
+/** Read credentials from .env */
+function loadCredentials(): { user: string; pass: string } {
+  try {
+    const content = readFileSync(ENV_PATH, 'utf-8');
+    const user = content.match(/^LUXTTS_USER=(.+)$/m)?.[1]?.trim() || 'admin';
+    const pass = content.match(/^LUXTTS_PASS=(.+)$/m)?.[1]?.trim() || '';
+    return { user, pass };
+  } catch {
+    return { user: 'admin', pass: '' };
+  }
+}
+
+/** Ensure we have a valid session cookie */
+function ensureCookie(): boolean {
+  const { user, pass } = loadCredentials();
+  if (!pass) return false;
+
+  try {
+    execSync(
+      `curl -s -o /dev/null -w "%{http_code}" -c ${COOKIE_JAR} ` +
+      `-d "username=${user}&password=${pass}" ` +
+      `${LUXTTS_BASE}/luxtts/login`,
+      { timeout: 10000 }
+    );
+    return existsSync(COOKIE_JAR);
+  } catch {
+    return false;
+  }
+}
+
+/** Check if LuxTTS service is alive */
+function healthCheck(): boolean {
+  try {
+    const result = execSync(
+      `curl -s -o /dev/null -w "%{http_code}" ${LUXTTS_BASE}/luxtts/api/health`,
+      { timeout: 5000 }
+    ).toString().trim();
+    return result === '200';
+  } catch {
+    return false;
+  }
+}
+
+/** Extract text and modifiers from user message */
+function parseMessage(message: string): { text: string; params: TtsParams } {
+  let cleaned = message;
+  const params: TtsParams = { speed: 1.0, numSteps: 4, tShift: 0.9 };
+
+  // Remove trigger words
+  for (const trigger of TRIGGER_WORDS) {
+    const re = new RegExp(trigger, 'gi');
+    cleaned = cleaned.replace(re, '');
+  }
+
+  // Extract and apply modifiers
+  for (const [mod, overrides] of Object.entries(MODIFIERS)) {
+    const re = new RegExp(mod, 'gi');
+    if (re.test(cleaned)) {
+      cleaned = cleaned.replace(re, '');
+      Object.assign(params, overrides);
+    }
+  }
+
+  // Clean up
+  cleaned = cleaned.replace(/^[\s：:，,、]+/, '').replace(/[\s：:，,、]+$/, '').trim();
+
+  return { text: cleaned, params };
+}
+
+/** Call LuxTTS API to generate speech */
+function generateSpeech(text: string, params: TtsParams): string | null {
+  const timestamp = Date.now();
+  const outPath = `/tmp/tts_output_${timestamp}.wav`;
+
+  try {
+    const httpCode = execSync(
+      `curl -s -o ${outPath} -w "%{http_code}" ` +
+      `-b ${COOKIE_JAR} ` +
+      `-X POST ${LUXTTS_BASE}/luxtts/api/tts ` +
+      `-F "ref_audio=@${REF_AUDIO}" ` +
+      `-F "text=${text.replace(/"/g, '\\"')}" ` +
+      `-F "num_steps=${params.numSteps}" ` +
+      `-F "t_shift=${params.tShift}" ` +
+      `-F "speed=${params.speed}"`,
+      { timeout: 120000 }  // 2 min timeout for CPU synthesis
+    ).toString().trim();
+
+    if (httpCode === '200' && existsSync(outPath)) {
+      return outPath;
+    }
+
+    // Clean up failed output
+    if (existsSync(outPath)) unlinkSync(outPath);
+    return null;
+  } catch {
+    if (existsSync(outPath)) unlinkSync(outPath);
+    return null;
+  }
+}
+
+// ─── 主 handler ─────────────────────────────────────────────────────────────
+
+export async function handler(ctx: any) {
+  const message = ctx.message?.text || ctx.message?.content || '';
+
+  if (!message.trim()) {
+    return { reply: '請提供要合成的文字，例如：「tts 你好，歡迎來到我的頻道」' };
+  }
+
+  // Parse user input
+  const { text, params } = parseMessage(message);
+
+  if (!text) {
+    return { reply: '請提供要合成的文字，例如：「tts 你好，歡迎來到我的頻道」' };
+  }
+
+  // Health check
+  if (!healthCheck()) {
+    return { reply: '❌ LuxTTS 服務未啟動，請先執行：`systemctl --user start luxtts`' };
+  }
+
+  // Ensure authentication
+  if (!ensureCookie()) {
+    return { reply: '❌ LuxTTS 認證失敗，請檢查 ~/LuxTTS/.env 的帳密設定' };
+  }
+
+  // Build parameter description
+  const paramDesc: string[] = [];
+  if (params.speed !== 1.0) paramDesc.push(`語速 ${params.speed}x`);
+  if (params.numSteps !== 4) paramDesc.push(`步數 ${params.numSteps}`);
+  const paramStr = paramDesc.length ? `（${paramDesc.join('、')}）` : '';
+
+  // Generate
+  const wavPath = generateSpeech(text, params);
+
+  if (!wavPath) {
+    return {
+      reply: `❌ 語音合成失敗，請稍後再試。`,
+      metadata: { text, params, error: true },
+    };
+  }
+
+  return {
+    reply: `🔊 語音合成完成${paramStr}\n\n📝 文字：${text}\n📂 檔案：\`${wavPath}\``,
+    metadata: {
+      text,
+      params,
+      output: wavPath,
+    },
+    files: [wavPath],
+  };
+}