fix: resolve Go module dependency issues and build failures

- Added missing go.sum file with go.bytecodealliance.org/cm v0.3.0 dependency
- Fixed failing Go targets that used main.go with WIT-generated imports:
  - calculator_component_debug: Switch to calculator_manual.go (no WIT deps)
  - simple_test: Switch to simple_wasi.go (no WIT deps)
  - multi_file_test: Switch to calculator_basic.go (no WIT deps)
- Fixed division by zero error in calculator_basic.go using math.NaN()
- Updated go.mod to Go 1.23.0

Resolves CI failures:
- main.go:4:2: go.bytecodealliance.org/[email protected]: missing go.sum entry
- main.go:5:2: missing go.sum entry for module providing package
- calculator_basic.go:25:16: invalid operation: division by zero

Author: avrabe

examples/go_component/BUILD.bazel

@@ -122,7 +122,7 @@ go_wasm_component(
     name = "calculator_component_debug",
     srcs = [
         "calculator.go",
-        "main.go",
+        "calculator_manual.go",
         "utils.go",
     ],
     adapter = "//wasm/adapters:wasi_snapshot_preview1",
@@ -135,9 +135,9 @@ go_wasm_component(
 go_wasm_component(
     name = "simple_test",
     srcs = [
-        "main.go",
+        "simple_wasi.go",
         "utils.go",
-    ],  # Include both main.go and utils.go
+    ],  # Include simple_wasi.go (no WIT deps) and utils.go
     adapter = "//wasm/adapters:wasi_snapshot_preview1",
     go_mod = "go.mod",
     optimization = "debug",
@@ -158,7 +158,7 @@ go_wasm_component(
 go_wasm_component(
     name = "multi_file_test",
     srcs = [
-        "main.go",
+        "calculator_basic.go",
         "utils.go",
     ],
     adapter = "//wasm/adapters:wasi_snapshot_preview1",

examples/go_component/calculator_basic.go

@@ -1,5 +1,7 @@
 package main
 
+import "math"
+
 // Basic Go component that exports calculator functions
 // This demonstrates the manual approach without complex generated bindings
 
@@ -22,7 +24,7 @@ func multiply(a, b float64) float64 {
 func divide(a, b float64) float64 {
 	if b == 0 {
 		// Return NaN for division by zero
-		return 0.0 / 0.0
+		return math.NaN()
 	}
 	return a / b
 }

examples/go_component/go.mod

@@ -1,6 +1,6 @@
 module example.com/calculator
 
-go 1.22.0
+go 1.23.0
 
 require go.bytecodealliance.org/cm v0.3.0
 

examples/go_component/go.sum

@@ -0,0 +1,2 @@
+go.bytecodealliance.org/cm v0.3.0 h1:VhV+4vjZPUGCozCg9+up+FNL3YU6XR+XKghk7kQ0vFc=
+go.bytecodealliance.org/cm v0.3.0/go.mod h1:JD5vtVNZv7sBoQQkvBvAAVKJPhR/bqBH7yYXTItMfZI=