feat: initial discord meeting bot

openrouter_client.py

@@ -0,0 +1,105 @@
+from __future__ import annotations
+
+import os
+from typing import Any
+
+import httpx
+from dotenv import load_dotenv
+
+from helpers import summarize_error
+
+load_dotenv()
+
+OPENROUTER_BASE = "https://openrouter.ai/api/v1"
+
+
+def _api_key() -> str:
+    return os.getenv("OPENROUTER_API_KEY", "")
+
+
+def _auth_headers() -> dict[str, str]:
+    api_key = _api_key()
+    if not api_key:
+        raise ValueError("OPENROUTER_API_KEY not set")
+    return {
+        "Authorization": f"Bearer {api_key}",
+    }
+
+
+async def transcribe(audio_path: str) -> str:
+    """Send a WAV file to OpenRouter's whisper model and return transcript text."""
+    async with httpx.AsyncClient(timeout=300) as client:
+        with open(audio_path, "rb") as audio_file:
+            files = {
+                "file": (os.path.basename(audio_path), audio_file, "audio/wav"),
+                "model": (None, "openai/whisper-large-v3"),
+            }
+            resp = await client.post(
+                f"{OPENROUTER_BASE}/audio/transcriptions",
+                headers=_auth_headers(),
+                files=files,
+            )
+        try:
+            resp.raise_for_status()
+        except httpx.HTTPStatusError as exc:
+            detail = summarize_error(_safe_json(resp), fallback=resp.text)
+            raise RuntimeError(f"OpenRouter transcription failed: {detail}") from exc
+
+        data = resp.json()
+        text = data.get("text", "")
+        if not text.strip():
+            raise RuntimeError("OpenRouter transcription returned empty text")
+        return text.strip()
+
+
+async def summarize(transcript: str) -> str:
+    """Send transcript to DeepSeek via OpenRouter and return structured meeting summary."""
+    prompt = f"""You are a meeting summarizer. Given the following meeting transcript, produce a concise, well-structured summary with:
+
+1. **Overview** — 2-3 sentences covering what was discussed
+2. **Key Decisions** — decisions that were made
+3. **Action Items** — who needs to do what (use bullet points)
+4. **Next Steps / Deadlines** — any dates, timelines, or follow-ups mentioned
+
+If speaker labels are present, preserve them where helpful in action items.
+
+Transcript:
+{transcript[:16000]}"""
+
+    body = {
+        "model": "@preset/cheap-deepseek-v4-flash",
+        "messages": [{"role": "user", "content": prompt}],
+        "max_tokens": 1500,
+    }
+
+    headers = _auth_headers()
+    headers["Content-Type"] = "application/json"
+
+    async with httpx.AsyncClient(timeout=180) as client:
+        resp = await client.post(
+            f"{OPENROUTER_BASE}/chat/completions",
+            headers=headers,
+            json=body,
+        )
+        try:
+            resp.raise_for_status()
+        except httpx.HTTPStatusError as exc:
+            detail = summarize_error(_safe_json(resp), fallback=resp.text)
+            raise RuntimeError(f"OpenRouter summarization failed: {detail}") from exc
+
+        data = resp.json()
+        try:
+            content = data["choices"][0]["message"]["content"]
+        except (KeyError, IndexError, TypeError) as exc:
+            raise RuntimeError("Unexpected OpenRouter summarization response shape") from exc
+
+        if not isinstance(content, str) or not content.strip():
+            raise RuntimeError("OpenRouter summarization returned empty content")
+        return content.strip()
+
+
+def _safe_json(resp: httpx.Response) -> Any:
+    try:
+        return resp.json()
+    except Exception:
+        return None