fix: show server default model in /model display

Instead of just "Default", show "Default (claude-sonnet-4-6)" or
"Default (CLI default)" so users can verify what model is active
after resetting.

Author: Talla

src/bot/handlers/command.py

@@ -1260,7 +1260,9 @@ def _current_model_label(context: ContextTypes.DEFAULT_TYPE) -> str:
             label = short.capitalize()
             break
     if not override:
-        label = "Default"
+        settings = context.bot_data.get("settings")
+        server_model = getattr(settings, "claude_model", None) if settings else None
+        label = f"Default ({server_model or 'CLI default'})"
     parts = [label]
     if effort:
         parts.append(f"effort={effort}")

tests/unit/test_bot/test_model_command.py

@@ -206,10 +206,18 @@ async def test_model_switch_clears_stale_effort(callback_query, context):
 # ---------------------------------------------------------------------------
 
 
-def test_label_default():
+def test_label_default_no_settings():
     ctx = MagicMock()
     ctx.user_data = {}
-    assert _current_model_label(ctx) == "Default"
+    ctx.bot_data = {}
+    assert _current_model_label(ctx) == "Default (CLI default)"
+
+
+def test_label_default_with_server_model():
+    ctx = MagicMock()
+    ctx.user_data = {}
+    ctx.bot_data = {"settings": MagicMock(claude_model="claude-sonnet-4-6")}
+    assert _current_model_label(ctx) == "Default (claude-sonnet-4-6)"
 
 
 def test_label_with_model_and_effort():