add runtime debugging signals and convert to magev0.10.0

- Add SIGUSR1 handler for goroutine stack dumps when app hangs
- Add SIGUSR2 handler for full profiling (heap, cpu, block)
- Add --debug-dir flag for configurable debug output location
- Convert build system from go-task to mage
- Update documentation with debugging workflow
- Bump version to 0.10.0

1 files changed, 53 insertions, 0 deletions

diff --git a/Magefile.go b/Magefile.go
new file mode 100644
index 0000000..b4b5ecc
--- /dev/null
+++ b/Magefile.go
@@ -0,0 +1,53 @@
+//go:build mage
+// +build mage
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/magefile/mage/sh"
+)
+
+// Default target builds the tasksamurai binary
+func Default() error {
+	return Build()
+}
+
+// Build compiles the tasksamurai binary
+func Build() error {
+	fmt.Println("Building tasksamurai...")
+	return sh.Run("go", "build", "-o", "tasksamurai", "./cmd/tasksamurai")
+}
+
+// Run starts tasksamurai with any provided arguments
+func Run() error {
+	fmt.Println("Running tasksamurai...")
+	args := append([]string{"run", "./cmd/tasksamurai"}, os.Args[1:]...)
+	return sh.Run("go", args...)
+}
+
+// Test runs all tests
+func Test() error {
+	fmt.Println("Running tests...")
+	return sh.Run("go", "test", "./...")
+}
+
+// Install installs tasksamurai to $GOPATH/bin
+func Install() error {
+	fmt.Println("Installing tasksamurai...")
+	return sh.Run("go", "install", "./cmd/tasksamurai")
+}
+
+// Clean removes the built binary
+func Clean() error {
+	fmt.Println("Cleaning...")
+	if err := sh.Rm("tasksamurai"); err != nil {
+		// Ignore error if file doesn't exist
+		if !os.IsNotExist(err) {
+			return err
+		}
+	}
+	return nil
+}