fix(webui): remove unused bot identity settings

nanobot/channels/websocket/tests/test_websocket_channel.py

@@ -2583,6 +2583,8 @@ async def test_settings_api_returns_safe_subset_and_updates_whitelist(
         assert body["agent"]["model_preset"] == "default"
         assert body["agent"]["max_tokens"] == 8192
         assert body["agent"]["timezone"] == "UTC"
+        assert "bot_name" not in body["agent"]
+        assert "bot_icon" not in body["agent"]
         assert body["agent"]["tool_hint_max_length"] == 40
         presets = {preset["name"]: preset for preset in body["model_presets"]}
         assert presets["default"]["active"] is True
@@ -2874,8 +2876,8 @@ async def test_settings_api_returns_safe_subset_and_updates_whitelist(
         assert saved.model_presets["fast-writing"].model == "openai/gpt-5.5"
         assert saved.model_presets["fast-writing"].provider == "openai"
         assert saved.agents.defaults.timezone == "Asia/Shanghai"
-        assert saved.agents.defaults.bot_name == "Nano"
-        assert saved.agents.defaults.bot_icon == "N"
+        assert saved.agents.defaults.bot_name == "nanobot"
+        assert saved.agents.defaults.bot_icon == "🐈"
         assert saved.agents.defaults.tool_hint_max_length == 120
         assert saved.providers.openrouter.api_key == "sk-or-next"
         assert saved.providers.openrouter.api_base == "https://openrouter.ai/api/v1"

nanobot/webui/settings_api.py

@@ -1234,8 +1234,6 @@ def settings_payload(
             "temperature": effective_preset.temperature,
             "reasoning_effort": effective_preset.reasoning_effort,
             "timezone": defaults.timezone,
-            "bot_name": defaults.bot_name,
-            "bot_icon": defaults.bot_icon,
             "tool_hint_max_length": defaults.tool_hint_max_length,
         },
         "model_presets": model_presets,
@@ -1406,24 +1404,6 @@ def update_agent_settings(query: QueryParams) -> dict[str, Any]:
             changed = True
             restart_required = True
 
-    bot_name = _query_first_alias(query, "bot_name", "botName")
-    if bot_name is not None:
-        bot_name = bot_name.strip()
-        if not bot_name:
-            raise WebUISettingsError("bot_name is required")
-        if defaults.bot_name != bot_name:
-            defaults.bot_name = bot_name
-            changed = True
-            restart_required = True
-
-    bot_icon = _query_first_alias(query, "bot_icon", "botIcon")
-    if bot_icon is not None:
-        bot_icon = bot_icon.strip()
-        if defaults.bot_icon != bot_icon:
-            defaults.bot_icon = bot_icon
-            changed = True
-            restart_required = True
-
     tool_hint_max_length = _query_first_alias(
         query,
         "tool_hint_max_length",