test(e2e): solve_grid over real MCP stdio with fake LLM

test/e2e/main_test.go

@@ -0,0 +1,18 @@
+//go:build e2e
+
+package e2e
+
+import (
+	"os"
+	"os/exec"
+	"testing"
+)
+
+func TestMain(m *testing.M) {
+	build := exec.Command("go", "build", "-o", "../../bin/captcha-solver-mcp", "../../cmd/captcha-solver-mcp")
+	build.Stdout, build.Stderr = os.Stdout, os.Stderr
+	if err := build.Run(); err != nil {
+		os.Exit(1)
+	}
+	os.Exit(m.Run())
+}