feat: Archipelago demo stack (lightweight)

2026-03-17 02:14:04 +00:00
commit 6b15143b8a
534 changed files with 75115 additions and 0 deletions
--- a/neode-ui/scripts/generate-welcome-speech.js
+++ b/neode-ui/scripts/generate-welcome-speech.js
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+/**
+ * Generate "Welcome Noderunner" speech using ElevenLabs AI voice.
+ * Slower, softer, sci-fi style with reverb/echo effects.
+ *
+ * Usage:
+ *   ELEVENLABS_API_KEY=your_key node scripts/generate-welcome-speech.js
+ *
+ * Optional voice ID (browse https://elevenlabs.io/voice-library/sensual):
+ *   ELEVENLABS_VOICE_ID=voice_id node scripts/generate-welcome-speech.js
+ */
+
+import { writeFileSync, mkdirSync, readFileSync, unlinkSync } from 'fs'
+import { dirname, join } from 'path'
+import { fileURLToPath } from 'url'
+import { execSync } from 'child_process'
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+
+const API_KEY = process.env.ELEVENLABS_API_KEY
+// Sarah - mature, reassuring, confident female (softer than Rachel)
+const VOICE_ID = process.env.ELEVENLABS_VOICE_ID || 'EXAVITQu4vr4xnSDxMaL'
+const OUTPUT_PATH = join(__dirname, '../public/assets/audio/welcome-noderunner.mp3')
+const RAW_PATH = join(__dirname, '../public/assets/audio/welcome-noderunner-raw.mp3')
+
+if (!API_KEY) {
+  console.error('Set ELEVENLABS_API_KEY (get a free key at elevenlabs.io)')
+  process.exit(1)
+}
+
+// Slower (0.78), softer (higher stability 0.65), more expressive (style 0.6)
+const res = await fetch(
+  `https://api.elevenlabs.io/v1/text-to-speech/${VOICE_ID}?output_format=mp3_44100_128`,
+  {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      'xi-api-key': API_KEY,
+    },
+    body: JSON.stringify({
+      text: 'Welcome Noderunner',
+      model_id: 'eleven_multilingual_v2',
+      voice_settings: {
+        stability: 0.65,
+        similarity_boost: 0.8,
+        style: 0.6,
+        use_speaker_boost: true,
+        speed: 0.7,
+      },
+    }),
+  }
+)
+
+if (!res.ok) {
+  const err = await res.text()
+  console.error('ElevenLabs API error:', res.status, err)
+  process.exit(1)
+}
+
+const buf = Buffer.from(await res.arrayBuffer())
+mkdirSync(dirname(OUTPUT_PATH), { recursive: true })
+writeFileSync(RAW_PATH, buf)
+
+// Add sci-fi reverb: dense short delays that blend (no distinct echo)
+try {
+  execSync(
+    `ffmpeg -y -i "${RAW_PATH}" -af "aecho=0.6:0.15:25|45|70:0.55|0.45|0.35,highpass=f=80,equalizer=f=4000:t=q:w=1:g=-1" -q:a 2 "${OUTPUT_PATH}" 2>/dev/null`,
+    { stdio: 'pipe' }
+  )
+  unlinkSync(RAW_PATH)
+} catch {
+  writeFileSync(OUTPUT_PATH, buf)
+  try { unlinkSync(RAW_PATH) } catch {}
+}
+
+console.log('Generated:', OUTPUT_PATH)
+console.log('Add this file to git and deploy.')