refactor: format elixirc_paths for improved readability

Author: madawei2699

mix.exs

@@ -11,7 +11,14 @@ defmodule AgentForge.MixProject do
       elixir: "~> 1.18.3",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
-      elixirc_paths: ["lib/agent_forge/signal.ex", "lib/agent_forge/store.ex", "lib/agent_forge/flow.ex", "lib/agent_forge/runtime.ex", "lib/agent_forge/primitives.ex", "lib"],
+      elixirc_paths: [
+        "lib/agent_forge/signal.ex",
+        "lib/agent_forge/store.ex",
+        "lib/agent_forge/flow.ex",
+        "lib/agent_forge/runtime.ex",
+        "lib/agent_forge/primitives.ex",
+        "lib"
+      ],
       # Test coverage configuration
       test_coverage: [tool: ExCoveralls],
       preferred_cli_env: [