feat(webui): render ask_user choices

Made-with: Cursor

nanobot/agent/tools/ask.py

@@ -6,7 +6,7 @@ from typing import Any
 from nanobot.agent.tools.base import Tool, tool_parameters
 from nanobot.agent.tools.schema import ArraySchema, StringSchema, tool_parameters_schema
 
-BUTTON_CHANNELS = frozenset({"telegram"})
+STRUCTURED_BUTTON_CHANNELS = frozenset({"telegram", "websocket"})
 
 
 class AskUserInterrupt(BaseException):
@@ -130,7 +130,7 @@ def ask_user_outbound(
 ) -> tuple[str | None, list[list[str]]]:
     if not options:
         return content, []
-    if channel in BUTTON_CHANNELS:
+    if channel in STRUCTURED_BUTTON_CHANNELS:
         return content, [options]
     option_text = "\n".join(f"{index}. {option}" for index, option in enumerate(options, 1))
     return f"{content}\n\n{option_text}" if content else option_text, []

nanobot/channels/websocket.py

@@ -54,6 +54,14 @@ def _normalize_config_path(path: str) -> str:
     return _strip_trailing_slash(path)
 
 
+def _append_buttons_as_text(text: str, buttons: list[list[str]]) -> str:
+    labels = [label for row in buttons for label in row if label]
+    if not labels:
+        return text
+    fallback = "\n".join(f"{index}. {label}" for index, label in enumerate(labels, 1))
+    return f"{text}\n\n{fallback}" if text else fallback
+
+
 class WebSocketConfig(Base):
     """WebSocket server channel configuration.
 
@@ -1146,11 +1154,17 @@ class WebSocketChannel(BaseChannel):
         if not conns:
             logger.warning("websocket: no active subscribers for chat_id={}", msg.chat_id)
             return
+        text = msg.content
+        if msg.buttons:
+            text = _append_buttons_as_text(text, msg.buttons)
         payload: dict[str, Any] = {
             "event": "message",
             "chat_id": msg.chat_id,
-            "text": msg.content,
+            "text": text,
         }
+        if msg.buttons:
+            payload["buttons"] = msg.buttons
+            payload["button_prompt"] = msg.content
         if msg.media:
             payload["media"] = msg.media
             urls: list[dict[str, str]] = []