feat: add telegram notifier

codex/notify_telegram/notify_telegram.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+# /// script
+# requires-python = ">=3.10"
+# dependencies = ["requests", "markdown-it-py", "sulguk"]
+# ///
+import json
+import re
+import sys
+from pathlib import Path
+
+import requests
+from markdown_it import MarkdownIt
+from sulguk import transform_html
+
+CREDS_PATH = Path.home() / ".codex" / "telegram.json"
+
+
+def main() -> None:
+    creds = json.loads(CREDS_PATH.read_text(encoding="utf-8"))
+    bot_token = creds["bot_token"]
+    chat_id = str(creds["chat_id"])
+
+    payload = json.loads(sys.argv[1])
+
+    md = payload["last-assistant-message"].rstrip()
+    thread_id = payload.get("thread-id")
+    cwd = payload.get("cwd")
+    prompt = (payload.get("input-messages") or [""])[-1].rstrip()
+
+    footer = "\n".join(
+        line
+        for line in [
+            "---",
+            f"- cwd: `{cwd}`" if cwd else "",
+            f"- thread: `{thread_id}`" if thread_id else "",
+            f"- prompt: `{prompt}`" if prompt else "",
+        ]
+        if line
+    )
+
+    md_full = md if not footer else f"{md}\n\n{footer}"
+
+    html = MarkdownIt("commonmark", {"html": False}).render(md_full)
+    result = transform_html(html)
+
+    # Use "-" instead of "•" for list markers (keep offsets stable: 1 char -> 1 char)
+    text = re.sub(r"(?m)^(\s*)• ", r"\1- ", result.text)
+
+    requests.post(
+        f"https://api.telegram.org/bot{bot_token}/sendMessage",
+        json={
+            "chat_id": chat_id,
+            "text": text,
+            "entities": result.entities,
+            "disable_web_page_preview": True,
+        },
+        timeout=15,
+    ).raise_for_status()
+
+
+if __name__ == "__main__":
+    main()