feat: qol improvements

tests/config_spec.lua

@@ -0,0 +1,46 @@
+-- Unit tests for configuration management
+describe("cp.config", function()
+  local config
+
+  before_each(function()
+    config = require("cp.config")
+  end)
+
+  describe("setup", function()
+    it("returns default config when no user config provided", function()
+      -- Test default configuration values
+    end)
+
+    it("merges user config with defaults", function()
+      -- Test config merging behavior
+    end)
+
+    it("validates contest configurations", function()
+      -- Test contest config validation
+    end)
+
+    it("handles invalid config gracefully", function()
+      -- Test error handling for bad configs
+    end)
+  end)
+
+  describe("platform validation", function()
+    it("accepts valid platforms", function()
+      -- Test platform validation
+    end)
+
+    it("rejects invalid platforms", function()
+      -- Test platform rejection
+    end)
+  end)
+
+  describe("language configurations", function()
+    it("provides correct file extensions for languages", function()
+      -- Test language -> extension mappings
+    end)
+
+    it("provides correct compile commands", function()
+      -- Test compile command generation
+    end)
+  end)
+end)