fix(webui): drive slash command routing from metadata

tests/channels/test_websocket_channel.py

@@ -2072,7 +2072,13 @@ async def test_commands_api_returns_slash_command_metadata(bus: MagicMock) -> No
         body = response.json()
         commands = {row["command"]: row for row in body["commands"]}
         assert commands["/stop"]["title"] == "Stop current task"
+        assert commands["/new"]["lifecycle"] == "finalize_active_turn"
+        assert commands["/stop"]["lifecycle"] == "stop_active_turn"
+        assert commands["/history"]["lifecycle"] == "side_channel"
         assert commands["/history"]["arg_hint"] == "[n]"
+        assert commands["/history"]["accepts_args"] is True
+        assert commands["/goal"]["lifecycle"] == "agent_turn_with_args"
+        assert commands["/goal"]["accepts_args"] is True
         assert all("description" in row for row in body["commands"])
     finally:
         await channel.stop()

tests/command/test_builtin_dream.py

@@ -345,11 +345,11 @@ async def test_dream_prompt_init_recreates_empty_prompt(tmp_path) -> None:
 
 def test_dream_prompt_command_in_help_and_palette() -> None:
     palette = builtin_command_palette()
+    dream_prompt = next(item for item in palette if item["command"] == "/dream-prompt")
 
-    assert any(
-        item["command"] == "/dream-prompt" and item["arg_hint"] == "[init]"
-        for item in palette
-    )
+    assert dream_prompt["arg_hint"] == "[init]"
+    assert dream_prompt["lifecycle"] == "side_channel"
+    assert dream_prompt["accepts_args"] is True
     assert "/dream-prompt [init]" in build_help_text()
 
 

tests/command/test_model_command.py

@@ -149,7 +149,10 @@ async def test_model_command_registered_as_exact_and_prefix(tmp_path) -> None:
 def test_model_command_in_help_and_palette() -> None:
     palette = builtin_command_palette()
 
-    assert any(item["command"] == "/model" and item["arg_hint"] == "[preset]" for item in palette)
+    model = next(item for item in palette if item["command"] == "/model")
+    assert model["arg_hint"] == "[preset]"
+    assert model["lifecycle"] == "side_channel"
+    assert model["accepts_args"] is True
     assert "/model [preset]" in build_help_text()
 
 
@@ -204,5 +207,8 @@ async def test_goal_command_registered_on_router(tmp_path) -> None:
 
 def test_goal_command_in_help_and_palette() -> None:
     palette = builtin_command_palette()
-    assert any(item["command"] == "/goal" and item["arg_hint"] == "<goal>" for item in palette)
+    goal = next(item for item in palette if item["command"] == "/goal")
+    assert goal["arg_hint"] == "<goal>"
+    assert goal["lifecycle"] == "agent_turn_with_args"
+    assert goal["accepts_args"] is True
     assert "/goal <goal>" in build_help_text()