revert: revert SMS (Telnyx) platform adapter for review

This reverts commit ef67037f8e.

tools/send_message_tool.py

@@ -125,7 +125,6 @@ def _handle_send(args):
         "whatsapp": Platform.WHATSAPP,
         "signal": Platform.SIGNAL,
         "email": Platform.EMAIL,
-        "sms": Platform.SMS,
     }
     platform = platform_map.get(platform_name)
     if not platform:
@@ -335,8 +334,6 @@ async def _send_to_platform(platform, pconfig, chat_id, message, thread_id=None,
             result = await _send_signal(pconfig.extra, chat_id, chunk)
         elif platform == Platform.EMAIL:
             result = await _send_email(pconfig.extra, chat_id, chunk)
-        elif platform == Platform.SMS:
-            result = await _send_sms(pconfig.api_key, chat_id, chunk)
         else:
             result = {"error": f"Direct sending not yet implemented for {platform.value}"}
 
@@ -565,54 +562,6 @@ async def _send_email(extra, chat_id, message):
         return {"error": f"Email send failed: {e}"}
 
 
-async def _send_sms(api_key, chat_id, message):
-    """Send via Telnyx SMS REST API (one-shot, no persistent connection needed)."""
-    try:
-        import aiohttp
-    except ImportError:
-        return {"error": "aiohttp not installed. Run: pip install aiohttp"}
-    try:
-        from_number = os.getenv("TELNYX_FROM_NUMBERS", "").split(",")[0].strip()
-        if not from_number:
-            return {"error": "TELNYX_FROM_NUMBERS not configured"}
-        if not api_key:
-            api_key = os.getenv("TELNYX_API_KEY", "")
-        if not api_key:
-            return {"error": "TELNYX_API_KEY not configured"}
-
-        # Strip markdown for SMS
-        text = re.sub(r"\*\*(.+?)\*\*", r"\1", message, flags=re.DOTALL)
-        text = re.sub(r"\*(.+?)\*", r"\1", text, flags=re.DOTALL)
-        text = re.sub(r"```[a-z]*\n?", "", text)
-        text = re.sub(r"`(.+?)`", r"\1", text)
-        text = re.sub(r"^#{1,6}\s+", "", text, flags=re.MULTILINE)
-        text = text.strip()
-
-        # Chunk to 1600 chars
-        chunks = [text[i:i+1600] for i in range(0, len(text), 1600)] if len(text) > 1600 else [text]
-
-        headers = {
-            "Authorization": f"Bearer {api_key}",
-            "Content-Type": "application/json",
-        }
-        message_ids = []
-        async with aiohttp.ClientSession() as session:
-            for chunk in chunks:
-                payload = {"from": from_number, "to": chat_id, "text": chunk}
-                async with session.post(
-                    "https://api.telnyx.com/v2/messages",
-                    json=payload,
-                    headers=headers,
-                ) as resp:
-                    body = await resp.json()
-                    if resp.status >= 400:
-                        return {"error": f"Telnyx API error ({resp.status}): {body}"}
-                    message_ids.append(body.get("data", {}).get("id", ""))
-        return {"success": True, "platform": "sms", "chat_id": chat_id, "message_ids": message_ids}
-    except Exception as e:
-        return {"error": f"SMS send failed: {e}"}
-
-
 def _check_send_message():
     """Gate send_message on gateway running (always available on messaging platforms)."""
     platform = os.getenv("HERMES_SESSION_PLATFORM", "")