improving tool calling tracking

config/config.exs

@@ -39,6 +39,7 @@ config :logger, :console,
   metadata: [:request_id]
 
 config :phoenix, :json_library, Jason
+config :postgrex, :json_library, Jason
 
 if System.get_env("RELEASE_MODE") do
   config :kernel, net_ticktime: 2

lib/elixir_ai/ai_tools.ex

@@ -0,0 +1,149 @@
+defmodule ElixirAi.AiTools do
+  @moduledoc """
+  Central registry of all AI tools available to conversations.
+
+  Tools are split into two categories:
+
+  - **Server tools** (`store_thing`, `read_thing`): functions are fully defined
+    here and always execute regardless of whether a browser session is open.
+
+  - **LiveView tools** (`set_background_color`, `navigate_to`): functions
+    dispatch to the registered LiveView pid. If no browser tab is connected
+    the call still succeeds immediately with a descriptive result so the AI
+    conversation is never blocked.
+
+  Tool names are stored in the `conversations` table (`allowed_tools` column)
+  and act as the gate for which tools are active for a given conversation.
+  """
+
+  import ElixirAi.ChatUtils, only: [ai_tool: 1]
+
+  @server_tool_names ["store_thing", "read_thing"]
+  @liveview_tool_names ["set_background_color", "navigate_to"]
+  @all_tool_names @server_tool_names ++ @liveview_tool_names
+
+  def server_tool_names, do: @server_tool_names
+
+  def liveview_tool_names, do: @liveview_tool_names
+
+  def all_tool_names, do: @all_tool_names
+
+  def build_server_tools(server, allowed_names) do
+    [store_thing(server), read_thing(server)]
+    |> Enum.filter(&(&1.name in allowed_names))
+  end
+
+  def build_liveview_tools(server, allowed_names) do
+    [set_background_color(server), navigate_to(server)]
+    |> Enum.filter(&(&1.name in allowed_names))
+  end
+
+  @doc "Convenience wrapper — builds all allowed tools (server + liveview)."
+  def build(server, allowed_names) do
+    build_server_tools(server, allowed_names) ++ build_liveview_tools(server, allowed_names)
+  end
+
+  # ---------------------------------------------------------------------------
+  # Server tools
+  # ---------------------------------------------------------------------------
+
+  def store_thing(server) do
+    ai_tool(
+      name: "store_thing",
+      description: "store a key value pair in memory",
+      function: &ElixirAi.ToolTesting.hold_thing/1,
+      parameters: ElixirAi.ToolTesting.hold_thing_params(),
+      server: server
+    )
+  end
+
+  def read_thing(server) do
+    ai_tool(
+      name: "read_thing",
+      description: "read a key value pair that was previously stored with store_thing",
+      function: &ElixirAi.ToolTesting.get_thing/1,
+      parameters: ElixirAi.ToolTesting.get_thing_params(),
+      server: server
+    )
+  end
+
+  # ---------------------------------------------------------------------------
+  # LiveView tools
+  # ---------------------------------------------------------------------------
+
+  def set_background_color(server) do
+    ai_tool(
+      name: "set_background_color",
+      description:
+        "set the background color of the chat interface, accepts specified tailwind colors",
+      function: fn args -> dispatch_to_liveview(server, "set_background_color", args) end,
+      parameters: %{
+        "type" => "object",
+        "properties" => %{
+          "color" => %{
+            "type" => "string",
+            "enum" => [
+              "bg-cyan-950/30",
+              "bg-red-950/30",
+              "bg-green-950/30",
+              "bg-blue-950/30",
+              "bg-yellow-950/30",
+              "bg-purple-950/30",
+              "bg-pink-950/30"
+            ]
+          }
+        },
+        "required" => ["color"]
+      },
+      server: server
+    )
+  end
+
+  def navigate_to(server) do
+    ai_tool(
+      name: "navigate_to",
+      description: """
+      Navigate the user's browser to a page in the application.
+      Only use paths that exist in the app:
+        "/"          — home page
+        "/admin"      — admin panel
+        "/chat/:name" — a chat conversation, where :name is the conversation name
+      Provide the exact path string including the leading slash.
+      """,
+      function: fn args -> dispatch_to_liveview(server, "navigate_to", args) end,
+      parameters: %{
+        "type" => "object",
+        "properties" => %{
+          "path" => %{
+            "type" => "string",
+            "description" =>
+              "The application path to navigate to, e.g. \"/\", \"/admin\", \"/chat/my-chat\""
+          }
+        },
+        "required" => ["path"]
+      },
+      server: server
+    )
+  end
+
+  # ---------------------------------------------------------------------------
+  # Private
+  # ---------------------------------------------------------------------------
+
+
+  defp dispatch_to_liveview(server, tool_name, args) do
+    case GenServer.call(server, :get_liveview_pid) do
+      nil ->
+        {:ok, "no browser session active, #{tool_name} skipped"}
+
+      liveview_pid ->
+        send(liveview_pid, {:liveview_tool_call, tool_name, args, self()})
+
+        receive do
+          {:liveview_tool_result, result} -> result
+        after
+          5_000 -> {:ok, "browser session timed out, #{tool_name} skipped"}
+        end
+    end
+  end
+end

lib/elixir_ai/ai_utils/chat_utils.ex

@@ -47,7 +47,7 @@ defmodule ElixirAi.ChatUtils do
     }
   end
 
-  def request_ai_response(server, messages, tools, provider) do
+  def request_ai_response(server, messages, tools, provider, tool_choice \\ "auto") do
     Task.start_link(fn ->
       api_url = provider.completions_url
       api_key = provider.api_token
@@ -69,7 +69,8 @@ defmodule ElixirAi.ChatUtils do
         model: model,
         stream: true,
         messages: messages |> Enum.map(&api_message/1),
-        tools: Enum.map(tools, & &1.definition)
+        tools: Enum.map(tools, & &1.definition),
+        tool_choice: tool_choice
       }
 
       headers = [{"authorization", "Bearer #{api_key}"}]

lib/elixir_ai/chat_runner.ex

@@ -1,14 +1,30 @@
 defmodule ElixirAi.ChatRunner do
   require Logger
   use GenServer
-  import ElixirAi.ChatUtils, only: [ai_tool: 1]
+  alias ElixirAi.{AiTools, Conversation, Message}
-  alias ElixirAi.{Conversation, Message}
   import ElixirAi.PubsubTopics
 
   defp via(name), do: {:via, Horde.Registry, {ElixirAi.ChatRegistry, name}}
 
-  def new_user_message(name, text_content) do
+  def new_user_message(name, text_content, opts \\ []) do
-    GenServer.cast(via(name), {:user_message, text_content})
+    tool_choice = Keyword.get(opts, :tool_choice)
+    GenServer.cast(via(name), {:user_message, text_content, tool_choice})
+  end
+
+  def set_allowed_tools(name, tool_names) when is_list(tool_names) do
+    GenServer.call(via(name), {:set_allowed_tools, tool_names})
+  end
+
+  def set_tool_choice(name, tool_choice) when tool_choice in ["auto", "none", "required"] do
+    GenServer.call(via(name), {:set_tool_choice, tool_choice})
+  end
+
+  def register_liveview_pid(name, liveview_pid) when is_pid(liveview_pid) do
+    GenServer.call(via(name), {:register_liveview_pid, liveview_pid})
+  end
+
+  def deregister_liveview_pid(name) do
+    GenServer.call(via(name), :deregister_liveview_pid)
   end
 
   @spec get_conversation(String.t()) :: any()
@@ -44,13 +60,35 @@ defmodule ElixirAi.ChatRunner do
         _ -> nil
       end
 
+    allowed_tools =
+      case Conversation.find_allowed_tools(name) do
+        {:ok, tools} -> tools
+        _ -> AiTools.all_tool_names()
+      end
+
+    tool_choice =
+      case Conversation.find_tool_choice(name) do
+        {:ok, tc} -> tc
+        _ -> "auto"
+      end
+
+    server_tools = AiTools.build_server_tools(self(), allowed_tools)
+    liveview_tools = AiTools.build_liveview_tools(self(), allowed_tools)
+
     if last_message && last_message.role == :user do
       Logger.info(
         "Last message role was #{last_message.role}, requesting AI response for conversation #{name}"
       )
 
       broadcast_ui(name, :recovery_restart)
-      ElixirAi.ChatUtils.request_ai_response(self(), messages, tools(self(), name), provider)
+
+      ElixirAi.ChatUtils.request_ai_response(
+        self(),
+        messages,
+        server_tools ++ liveview_tools,
+        provider,
+        tool_choice
+      )
     end
 
     {:ok,
@@ -59,63 +97,19 @@ defmodule ElixirAi.ChatRunner do
        messages: messages,
        streaming_response: nil,
        pending_tool_calls: [],
-       tools: tools(self(), name),
+       allowed_tools: allowed_tools,
-       provider: provider
+       tool_choice: tool_choice,
+       server_tools: server_tools,
+       liveview_tools: liveview_tools,
+       provider: provider,
+       liveview_pid: nil,
+       liveview_monitor_ref: nil
      }}
   end
 
-  def tools(server, name) do
+  def handle_cast({:user_message, text_content, tool_choice_override}, state) do
-    [
+    effective_tool_choice = tool_choice_override || state.tool_choice
-      ai_tool(
+    new_message = %{role: :user, content: text_content, tool_choice: tool_choice_override}
-        name: "store_thing",
-        description: "store a key value pair in memory",
-        function: &ElixirAi.ToolTesting.hold_thing/1,
-        parameters: ElixirAi.ToolTesting.hold_thing_params(),
-        server: server
-      ),
-      ai_tool(
-        name: "read_thing",
-        description: "read a key value pair that was previously stored with store_thing",
-        function: &ElixirAi.ToolTesting.get_thing/1,
-        parameters: ElixirAi.ToolTesting.get_thing_params(),
-        server: server
-      ),
-      ai_tool(
-        name: "set_background_color",
-        description:
-          "set the background color of the chat interface, accepts specified tailwind colors",
-        function: fn %{"color" => color} ->
-          Phoenix.PubSub.broadcast(
-            ElixirAi.PubSub,
-            chat_topic(name),
-            {:set_background_color, color}
-          )
-        end,
-        parameters: %{
-          "type" => "object",
-          "properties" => %{
-            "color" => %{
-              "type" => "string",
-              "enum" => [
-                "bg-cyan-950/30",
-                "bg-red-950/30",
-                "bg-green-950/30",
-                "bg-blue-950/30",
-                "bg-yellow-950/30",
-                "bg-purple-950/30",
-                "bg-pink-950/30"
-              ]
-            }
-          },
-          "required" => ["color"]
-        },
-        server: server
-      )
-    ]
-  end
-
-  def handle_cast({:user_message, text_content}, state) do
-    new_message = %{role: :user, content: text_content}
     broadcast_ui(state.name, {:user_chat_message, new_message})
     store_message(state.name, new_message)
     new_state = %{state | messages: state.messages ++ [new_message]}
@@ -123,8 +117,9 @@ defmodule ElixirAi.ChatRunner do
     ElixirAi.ChatUtils.request_ai_response(
       self(),
       new_state.messages,
-      state.tools,
+      state.server_tools ++ state.liveview_tools,
-      state.provider
+      state.provider,
+      effective_tool_choice
     )
 
     {:noreply, new_state}
@@ -269,7 +264,9 @@ defmodule ElixirAi.ChatRunner do
                                                                     {failed, pending} ->
         with {:ok, decoded_args} <- Jason.decode(tool_call.arguments),
              tool when not is_nil(tool) <-
-               Enum.find(state.tools, fn t -> t.name == tool_call.name end) do
+               Enum.find(state.server_tools ++ state.liveview_tools, fn t ->
+                 t.name == tool_call.name
+               end) do
           tool.run_function.(id, tool_call.id, decoded_args)
           {failed, [tool_call.id | pending]}
         else
@@ -319,8 +316,9 @@ defmodule ElixirAi.ChatRunner do
       ElixirAi.ChatUtils.request_ai_response(
         self(),
         state.messages ++ [new_message],
-        state.tools,
+        state.server_tools ++ state.liveview_tools,
-        state.provider
+        state.provider,
+        state.tool_choice
       )
     end
 
@@ -362,6 +360,46 @@ defmodule ElixirAi.ChatRunner do
     {:reply, state.streaming_response, state}
   end
 
+  def handle_call(:get_liveview_pid, _from, state) do
+    {:reply, state.liveview_pid, state}
+  end
+
+  def handle_call({:register_liveview_pid, liveview_pid}, _from, state) do
+    # Clear any previous monitor
+    if state.liveview_monitor_ref, do: Process.demonitor(state.liveview_monitor_ref, [:flush])
+    ref = Process.monitor(liveview_pid)
+    {:reply, :ok, %{state | liveview_pid: liveview_pid, liveview_monitor_ref: ref}}
+  end
+
+  def handle_call(:deregister_liveview_pid, _from, state) do
+    if state.liveview_monitor_ref, do: Process.demonitor(state.liveview_monitor_ref, [:flush])
+    {:reply, :ok, %{state | liveview_pid: nil, liveview_monitor_ref: nil}}
+  end
+
+  def handle_call({:set_tool_choice, tool_choice}, _from, state) do
+    Conversation.update_tool_choice(state.name, tool_choice)
+    {:reply, :ok, %{state | tool_choice: tool_choice}}
+  end
+
+  def handle_call({:set_allowed_tools, tool_names}, _from, state) do
+    Conversation.update_allowed_tools(state.name, tool_names)
+    server_tools = AiTools.build_server_tools(self(), tool_names)
+    liveview_tools = AiTools.build_liveview_tools(self(), tool_names)
+
+    {:reply, :ok,
+     %{
+       state
+       | allowed_tools: tool_names,
+         server_tools: server_tools,
+         liveview_tools: liveview_tools
+     }}
+  end
+
+  def handle_info({:DOWN, ref, :process, _pid, _reason}, %{liveview_monitor_ref: ref} = state) do
+    Logger.info("ChatRunner #{state.name}: LiveView disconnected, clearing liveview_pid")
+    {:noreply, %{state | liveview_pid: nil, liveview_monitor_ref: nil}}
+  end
+
   defp broadcast_ui(name, msg),
     do: Phoenix.PubSub.broadcast(ElixirAi.PubSub, chat_topic(name), msg)
 

lib/elixir_ai/conversation_manager.ex

@@ -1,6 +1,6 @@
 defmodule ElixirAi.ConversationManager do
   use GenServer
-  alias ElixirAi.{Conversation, Message}
+  alias ElixirAi.{Conversation, Message, AiTools}
   import ElixirAi.PubsubTopics, only: [conversation_message_topic: 1]
   require Logger
 
@@ -24,8 +24,9 @@ defmodule ElixirAi.ConversationManager do
     {:ok, %{conversations: :loading, subscriptions: MapSet.new(), runners: %{}}}
   end
 
-  def create_conversation(name, ai_provider_id) do
+  def create_conversation(name, ai_provider_id, category \\ "user-web", allowed_tools \\ nil) do
-    GenServer.call(@name, {:create, name, ai_provider_id})
+    tools = allowed_tools || AiTools.all_tool_names()
+    GenServer.call(@name, {:create, name, ai_provider_id, category, tools})
   end
 
   def open_conversation(name) do
@@ -54,14 +55,14 @@ defmodule ElixirAi.ConversationManager do
   end
 
   def handle_call(
-        {:create, name, ai_provider_id},
+        {:create, name, ai_provider_id, category, allowed_tools},
         _from,
         %{conversations: conversations} = state
       ) do
     if Map.has_key?(conversations, name) do
       {:reply, {:error, :already_exists}, state}
     else
-      case Conversation.create(name, ai_provider_id) do
+      case Conversation.create(name, ai_provider_id, category, allowed_tools) do
         :ok ->
           reply_with_started(name, state, fn new_state ->
             %{new_state | conversations: Map.put(new_state.conversations, name, [])}
@@ -152,7 +153,7 @@ defmodule ElixirAi.ConversationManager do
   end
 
   # Returns {pid} to callers that only need to know the process started (e.g. create).
-  defp reply_with_started(name, state, update_state \\ fn s -> s end) do
+  defp reply_with_started(name, state, update_state) do
     case start_and_subscribe(name, state) do
       {:ok, pid, new_subscriptions, new_runners} ->
         new_state =
@@ -160,8 +161,12 @@ defmodule ElixirAi.ConversationManager do
 
         {:reply, {:ok, pid}, new_state}
 
-      {:error, _reason} = error ->
+      {:error, reason} ->
-        {:reply, error, state}
+        Logger.error(
+          "ConversationManager: failed to start runner for #{name}: #{inspect(reason)}"
+        )
+
+        {:reply, {:error, :failed_to_load}, state}
     end
   end
 

lib/elixir_ai/data/ai_provider.ex

@@ -11,8 +11,8 @@ defmodule ElixirAi.AiProvider do
         id: Zoi.optional(Zoi.string()),
         name: Zoi.string(),
         model_name: Zoi.string(),
-        api_token: Zoi.string(),
+        api_token: Zoi.nullish(Zoi.string()),
-        completions_url: Zoi.string()
+        completions_url: Zoi.nullish(Zoi.string())
       })
     end
 

lib/elixir_ai/data/conversation.ex

@@ -9,67 +9,69 @@ defmodule ElixirAi.Conversation do
       Zoi.object(%{
         name: Zoi.string(),
         model_name: Zoi.string(),
-        api_token: Zoi.string(),
+        api_token: Zoi.nullish(Zoi.string()),
-        completions_url: Zoi.string()
+        completions_url: Zoi.nullish(Zoi.string())
       })
     end
   end
 
   defmodule ConversationInfo do
-    defstruct [:name, :provider]
+    defstruct [:name, :category, :provider]
 
     def schema do
       Zoi.object(%{
         name: Zoi.string(),
+        category: Zoi.string(),
         provider:
           Zoi.object(%{
             name: Zoi.string(),
             model_name: Zoi.string(),
-            api_token: Zoi.string(),
+            api_token: Zoi.nullish(Zoi.string()),
-            completions_url: Zoi.string()
+            completions_url: Zoi.nullish(Zoi.string())
           })
       })
     end
   end
 
   def all_names do
-    sql = """
+    sql = "SELECT name, category FROM conversations"
-    SELECT c.name,
-      json_build_object(
-        'name', p.name,
-        'model_name', p.model_name,
-        'api_token', p.api_token,
-        'completions_url', p.completions_url
-      ) as provider
-    FROM conversations c
-    LEFT JOIN ai_providers p ON c.ai_provider_id = p.id
-    """
-
     params = %{}
 
-    case DbHelpers.run_sql(sql, params, "conversations", ConversationInfo.schema()) do
+    schema = Zoi.object(%{name: Zoi.string(), category: Zoi.string()})
+
+    case DbHelpers.run_sql(sql, params, "conversations", schema) do
       {:error, _} ->
         []
 
       rows ->
         Enum.map(rows, fn row ->
-          struct(ConversationInfo, Map.put(row, :provider, struct(Provider, row.provider)))
+          struct(ConversationInfo, row)
         end)
     end
   end
 
-  def create(name, ai_provider_id) when is_binary(ai_provider_id) do
+  def create(name, ai_provider_id, category \\ "user-web", allowed_tools \\ nil)
+
+  def create(name, ai_provider_id, category, nil),
+    do: create(name, ai_provider_id, category, ElixirAi.AiTools.all_tool_names())
+
+  def create(name, ai_provider_id, category, allowed_tools)
+      when is_binary(ai_provider_id) and is_binary(category) and is_list(allowed_tools) do
     case Ecto.UUID.dump(ai_provider_id) do
       {:ok, binary_id} ->
         sql = """
         INSERT INTO conversations (
           name,
           ai_provider_id,
+          category,
+          allowed_tools,
           inserted_at,
           updated_at)
         VALUES (
           $(name),
           $(ai_provider_id),
+          $(category),
+          $(allowed_tools)::jsonb,
           $(inserted_at),
           $(updated_at)
         )
@@ -80,6 +82,8 @@ defmodule ElixirAi.Conversation do
         params = %{
           "name" => name,
           "ai_provider_id" => binary_id,
+          "category" => category,
+          "allowed_tools" => Jason.encode!(allowed_tools),
           "inserted_at" => timestamp,
           "updated_at" => timestamp
         }
@@ -97,6 +101,78 @@ defmodule ElixirAi.Conversation do
     end
   end
 
+  def find_allowed_tools(name) do
+    sql = "SELECT allowed_tools FROM conversations WHERE name = $(name) LIMIT 1"
+    params = %{"name" => name}
+
+    case DbHelpers.run_sql(sql, params, "conversations") do
+      {:error, :db_error} -> {:error, :db_error}
+      [] -> {:error, :not_found}
+      [row | _] -> {:ok, decode_json_list(row["allowed_tools"])}
+    end
+  end
+
+  defp decode_json_list(value) when is_list(value), do: value
+
+  defp decode_json_list(value) when is_binary(value) do
+    case Jason.decode(value) do
+      {:ok, list} when is_list(list) -> list
+      _ -> []
+    end
+  end
+
+  defp decode_json_list(_), do: []
+
+  def update_allowed_tools(name, tool_names) when is_list(tool_names) do
+    sql = """
+    UPDATE conversations
+    SET allowed_tools = $(allowed_tools)::jsonb, updated_at = $(updated_at)
+    WHERE name = $(name)
+    """
+
+    params = %{
+      "name" => name,
+      "allowed_tools" => Jason.encode!(tool_names),
+      "updated_at" => now()
+    }
+
+    case DbHelpers.run_sql(sql, params, "conversations") do
+      {:error, :db_error} -> {:error, :db_error}
+      _ -> :ok
+    end
+  end
+
+  def find_tool_choice(name) do
+    sql = "SELECT tool_choice FROM conversations WHERE name = $(name) LIMIT 1"
+    params = %{"name" => name}
+
+    case DbHelpers.run_sql(sql, params, "conversations") do
+      {:error, :db_error} -> {:error, :db_error}
+      [] -> {:error, :not_found}
+      [row | _] -> {:ok, row["tool_choice"] || "auto"}
+    end
+  end
+
+  def update_tool_choice(name, tool_choice)
+      when tool_choice in ["auto", "none", "required"] do
+    sql = """
+    UPDATE conversations
+    SET tool_choice = $(tool_choice), updated_at = $(updated_at)
+    WHERE name = $(name)
+    """
+
+    params = %{
+      "name" => name,
+      "tool_choice" => tool_choice,
+      "updated_at" => now()
+    }
+
+    case DbHelpers.run_sql(sql, params, "conversations") do
+      {:error, :db_error} -> {:error, :db_error}
+      _ -> :ok
+    end
+  end
+
   def find_id(name) do
     sql = "SELECT id FROM conversations WHERE name = $(name) LIMIT 1"
     params = %{"name" => name}

lib/elixir_ai/data/message.ex

@@ -25,6 +25,7 @@ defmodule ElixirAi.Message do
       role: Zoi.string(),
       content: Zoi.nullish(Zoi.string()),
       reasoning_content: Zoi.nullish(Zoi.string()),
+      tool_choice: Zoi.nullish(Zoi.string()),
       inserted_at: Zoi.any()
     })
   end
@@ -125,6 +126,7 @@ defmodule ElixirAi.Message do
       tm.role,
       tm.content,
       tm.reasoning_content,
+      tm.tool_choice,
       tm.inserted_at
     FROM text_messages tm
     WHERE tm.conversation_id = $(conversation_id)
@@ -222,6 +224,7 @@ defmodule ElixirAi.Message do
       prev_message_table,
       role,
       content,
+      tool_choice,
       inserted_at
     ) VALUES (
       $(conversation_id),
@@ -229,6 +232,7 @@ defmodule ElixirAi.Message do
       $(prev_message_table),
       $(role),
       $(content),
+      $(tool_choice),
       $(inserted_at)
     )
     """
@@ -239,6 +243,7 @@ defmodule ElixirAi.Message do
       "prev_message_table" => prev_table,
       "role" => "user",
       "content" => message[:content],
+      "tool_choice" => message[:tool_choice],
       "inserted_at" => timestamp
     }
 

lib/elixir_ai_web/home/home_live.ex

@@ -111,6 +111,12 @@ defmodule ElixirAiWeb.HomeLive do
           {:error, :already_exists} ->
             {:noreply, assign(socket, error: "A conversation with that name already exists")}
 
+          {:error, :failed_to_load} ->
+            {:noreply,
+             assign(socket,
+               error: "Conversation was saved but failed to load"
+             )}
+
           _ ->
             {:noreply, assign(socket, error: "Failed to create conversation")}
         end

lib/elixir_ai_web/voice/voice_live.ex

@@ -12,21 +12,28 @@ defmodule ElixirAiWeb.VoiceLive do
       <div class="fixed top-4 right-4 w-72 bg-cyan-950/95 border border-cyan-800 rounded-2xl shadow-2xl z-50 p-4 flex flex-col gap-3 backdrop-blur">
         <div class="flex items-center gap-3">
           <%= if @state == :idle do %>
-            <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 text-cyan-500 shrink-0" viewBox="0 0 24 24" fill="currentColor">
+            <svg
-              <path d="M12 1a4 4 0 0 1 4 4v7a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4zm0 2a2 2 0 0 0-2 2v7a2 2 0 1 0 4 0V5a2 2 0 0 0-2-2zm-7 9a7 7 0 0 0 14 0h2a9 9 0 0 1-8 8.94V23h-2v-2.06A9 9 0 0 1 3 12H5z"/>
+              xmlns="http://www.w3.org/2000/svg"
+              class="h-4 w-4 text-cyan-500 shrink-0"
+              viewBox="0 0 24 24"
+              fill="currentColor"
+            >
+              <path d="M12 1a4 4 0 0 1 4 4v7a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4zm0 2a2 2 0 0 0-2 2v7a2 2 0 1 0 4 0V5a2 2 0 0 0-2-2zm-7 9a7 7 0 0 0 14 0h2a9 9 0 0 1-8 8.94V23h-2v-2.06A9 9 0 0 1 3 12H5z" />
             </svg>
             <span class="text-cyan-400 font-semibold text-sm">Voice Input</span>
           <% end %>
           <%= if @state == :recording do %>
             <span class="relative flex h-3 w-3 shrink-0">
-              <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-red-500 opacity-75"></span>
+              <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-red-500 opacity-75">
+              </span>
               <span class="relative inline-flex rounded-full h-3 w-3 bg-red-500"></span>
             </span>
             <span class="text-cyan-50 font-semibold text-sm">Recording</span>
           <% end %>
           <%= if @state == :processing do %>
             <span class="relative flex h-3 w-3 shrink-0">
-              <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-cyan-400 opacity-75"></span>
+              <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-cyan-400 opacity-75">
+              </span>
               <span class="relative inline-flex rounded-full h-3 w-3 bg-cyan-400"></span>
             </span>
             <span class="text-cyan-50 font-semibold text-sm">Processing…</span>
@@ -42,9 +49,7 @@ defmodule ElixirAiWeb.VoiceLive do
           </div>
         <% end %>
         <%= if @state == :transcribed do %>
-          <div class="rounded-xl bg-cyan-900/60 border border-cyan-700 px-3 py-2">
+          <.transcription_display transcription={@transcription} />
-            <p class="text-sm text-cyan-50 leading-relaxed">{@transcription}</p>
-          </div>
         <% end %>
         <%= if @state == :idle do %>
           <button
@@ -52,7 +57,9 @@ defmodule ElixirAiWeb.VoiceLive do
             class="w-full flex items-center justify-between px-3 py-1.5 rounded-lg bg-cyan-700 hover:bg-cyan-600 text-cyan-50 text-xs font-medium transition-colors"
           >
             <span>Start Recording</span>
-            <kbd class="text-cyan-300 bg-cyan-800 border border-cyan-600 px-1.5 py-0.5 rounded font-mono">Ctrl+Space</kbd>
+            <kbd class="text-cyan-300 bg-cyan-800 border border-cyan-600 px-1.5 py-0.5 rounded font-mono">
+              Ctrl+Space
+            </kbd>
           </button>
         <% end %>
         <%= if @state == :recording do %>
@@ -61,7 +68,9 @@ defmodule ElixirAiWeb.VoiceLive do
             class="w-full flex items-center justify-between px-3 py-1.5 rounded-lg bg-cyan-800 hover:bg-cyan-700 text-cyan-50 text-xs font-medium transition-colors border border-cyan-700"
           >
             <span>Stop Recording</span>
-            <kbd class="text-cyan-300 bg-cyan-900 border border-cyan-700 px-1.5 py-0.5 rounded font-mono">Space</kbd>
+            <kbd class="text-cyan-300 bg-cyan-900 border border-cyan-700 px-1.5 py-0.5 rounded font-mono">
+              Space
+            </kbd>
           </button>
         <% end %>
         <%= if @state == :transcribed do %>
@@ -77,6 +86,14 @@ defmodule ElixirAiWeb.VoiceLive do
     """
   end
 
+  defp transcription_display(assigns) do
+    ~H"""
+    <div class="rounded-xl bg-cyan-900/60 border border-cyan-700 px-3 py-2">
+      <p class="text-sm text-cyan-50 leading-relaxed">{@transcription}</p>
+    </div>
+    """
+  end
+
   def handle_event("recording_started", _params, socket) do
     {:noreply, assign(socket, state: :recording)}
   end

mix.exs

@@ -5,7 +5,7 @@ defmodule ElixirAi.MixProject do
     [
       app: :elixir_ai,
       version: "0.1.0",
-      elixir: "~> 1.19",
+      elixir: "~> 1.18",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
@@ -57,7 +57,7 @@ defmodule ElixirAi.MixProject do
       {:libcluster, "~> 3.3"},
       {:bandit, "~> 1.5"},
       {:ecto_sql, "~> 3.11"},
-      {:postgrex, ">= 0.0.0"},
+      {:postgrex, ">= 0.22.0"},
       {:horde, "~> 0.9"},
       {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:mimic, "~> 2.3.0"},

postgres/schema/schema.sql

@@ -14,6 +14,9 @@ CREATE TABLE IF NOT EXISTS conversations (
   id             UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
   name           TEXT        NOT NULL UNIQUE,
   ai_provider_id UUID        NOT NULL REFERENCES ai_providers(id) ON DELETE RESTRICT,
+  category       TEXT        NOT NULL DEFAULT 'user-web',
+  allowed_tools  JSONB       NOT NULL DEFAULT '[]',
+  tool_choice    TEXT        NOT NULL DEFAULT 'auto' CHECK (tool_choice IN ('auto', 'none', 'required')),
   inserted_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
   updated_at     TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );
@@ -26,6 +29,7 @@ CREATE TABLE IF NOT EXISTS text_messages (
   role               TEXT        NOT NULL CHECK (role IN ('user', 'assistant')),
   content            TEXT,
   reasoning_content  TEXT,
+  tool_choice        TEXT        CHECK (tool_choice IN ('auto', 'none', 'required')),
   inserted_at        TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );