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Update openclaw to 2026.3.7 for typed STT/TTS APIs #543

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Update openclaw to 2026.3.7 for typed STT/TTS APIs #543

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4 changes: 2 additions & 2 deletions pikachat-openclaw/openclaw/extensions/pikachat-openclaw/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -13,11 +13,11 @@
"bech32": "^2.0.0"
},
"devDependencies": {
"openclaw": "^2026.2.26",
"openclaw": "^2026.3.7",
"typescript": "^5.7.0"
},
"peerDependencies": {
"openclaw": ">=2026.2.26"
"openclaw": ">=2026.3.7"
},
"openclaw": {
"extensions": [
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55 changes: 4 additions & 51 deletions pikachat-openclaw/openclaw/extensions/pikachat-openclaw/src/channel.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,15 +16,10 @@ import {
} from "./types.js";
import { buildPikachatDaemonLaunchSpec } from "./daemon-launch.js";
import { PikachatDaemonClient } from "./sidecar.js";
import { mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import path from "node:path";

/**
* Transcribe a WAV audio chunk using openclaw's media-understanding framework
* via runtime.stt.transcribeAudioFile. Falls back to direct OpenAI-compatible
* fetch if the runtime method is not available (older openclaw versions).
*/
async function transcribeAudioChunk(params: {
audioPath: string;
runtime: ReturnType<typeof getPikachatRuntime>;
Expand All @@ -34,52 +29,10 @@ async function transcribeAudioChunk(params: {
}): Promise<string | undefined> {
const { audioPath, runtime, log, accountId, callId } = params;
const cfg = runtime.config.loadConfig();

// Prefer runtime.stt if available (openclaw >= 2026.2.x with STT support)
const stt = (runtime as any).stt;
if (stt?.transcribeAudioFile) {
const result = await stt.transcribeAudioFile({ filePath: audioPath, cfg });
const text = result?.text?.trim();
if (text) {
log?.info?.(`[${accountId}] transcribed call_id=${callId} text_len=${text.length}`);
}
return text || undefined;
}

// Fallback: direct fetch to OpenAI-compatible endpoint
log?.debug?.(`[${accountId}] runtime.stt not available, using direct fetch fallback`);
const apiKey = process.env.OPENAI_API_KEY?.trim() ?? process.env.GROQ_API_KEY?.trim();
if (!apiKey) {
log?.warn?.(`[${accountId}] no STT provider configured (set OPENAI_API_KEY or upgrade openclaw for runtime.stt) call_id=${callId}`);
return undefined;
}

const isGroq = !process.env.OPENAI_API_KEY?.trim() && !!process.env.GROQ_API_KEY?.trim();
const baseUrl = isGroq ? "https://api.groq.com/openai/v1" : "https://api.openai.com/v1";
const model = isGroq ? "whisper-large-v3-turbo" : "gpt-4o-mini-transcribe";

const wavBuffer = readFileSync(audioPath);
const formData = new FormData();
formData.append("file", new Blob([wavBuffer], { type: "audio/wav" }), "audio.wav");
formData.append("model", model);
formData.append("response_format", "json");

const resp = await fetch(`${baseUrl}/audio/transcriptions`, {
method: "POST",
headers: { "Authorization": `Bearer ${apiKey}` },
body: formData,
signal: AbortSignal.timeout(30_000),
});

if (!resp.ok) {
const body = await resp.text().catch(() => "");
throw new Error(`STT failed status=${resp.status} body=${body.slice(0, 200)}`);
}

const json: any = await resp.json();
const text = typeof json.text === "string" ? json.text.trim() : "";
const result = await runtime.stt.transcribeAudioFile({ filePath: audioPath, cfg });
const text = result?.text?.trim();
if (text) {
log?.info?.(`[${accountId}] transcribed call_id=${callId} provider=${isGroq ? "groq" : "openai"} model=${model} text_len=${text.length}`);
log?.info?.(`[${accountId}] transcribed call_id=${callId} text_len=${text.length}`);
}
return text || undefined;
}
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