Fix inbox creation issues in agent coordinator

- Fixed Task.new/3 to handle both maps and keyword lists
- Added robust inbox existence checking in find_available_agent
- Ensure inbox creation during agent registration and task assignment
- Add helper function ensure_inbox_exists to avoid crashes

mix.exs

@@ -1,13 +1,33 @@
 defmodule AgentCoordinator.MixProject do
   use Mix.Project
 
+  @version "0.1.0"
+  @source_url "https://github.com/your-username/agent_coordinator"
+
   def project do
     [
       app: :agent_coordinator,
-      version: "0.1.0",
-      elixir: "~> 1.18",
+      version: @version,
+      elixir: "~> 1.16",
       start_permanent: Mix.env() == :prod,
-      deps: deps()
+      deps: deps(),
+      name: "AgentCoordinator",
+      description: description(),
+      package: package(),
+      docs: docs(),
+      source_url: @source_url,
+      homepage_url: @source_url,
+      dialyzer: [
+        plt_file: {:no_warn, "priv/plts/dialyzer.plt"},
+        plt_add_apps: [:mix]
+      ],
+      test_coverage: [tool: ExCoveralls],
+      preferred_cli_env: [
+        coveralls: :test,
+        "coveralls.detail": :test,
+        "coveralls.post": :test,
+        "coveralls.html": :test
+      ]
     ]
   end
 
@@ -26,7 +46,46 @@ defmodule AgentCoordinator.MixProject do
       {:gnat, "~> 1.8"},
       {:phoenix_pubsub, "~> 2.1"},
       {:gen_stage, "~> 1.2"},
-      {:uuid, "~> 1.1"}
+      {:uuid, "~> 1.1"},
+
+      # Development and testing dependencies
+      {:ex_doc, "~> 0.34", only: :dev, runtime: false},
+      {:dialyxir, "~> 1.4", only: [:dev], runtime: false},
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
+      {:excoveralls, "~> 0.18", only: :test}
+    ]
+  end
+
+  defp description do
+    """
+    A distributed task coordination system for AI agents built with Elixir and NATS.
+    Enables multiple AI agents (Claude Code, GitHub Copilot, etc.) to work collaboratively
+    on the same codebase without conflicts through centralized task management,
+    file-level locking, and real-time communication.
+    """
+  end
+
+  defp package do
+    [
+      maintainers: ["Your Name"],
+      licenses: ["MIT"],
+      links: %{
+        "GitHub" => @source_url,
+        "Changelog" => "#{@source_url}/blob/main/CHANGELOG.md"
+      },
+      files: ~w(lib .formatter.exs mix.exs README.md LICENSE CHANGELOG.md)
+    ]
+  end
+
+  defp docs do
+    [
+      main: "AgentCoordinator",
+      source_ref: "v#{@version}",
+      source_url: @source_url,
+      extras: [
+        "README.md",
+        "CHANGELOG.md"
+      ]
     ]
   end
 end