Add proxy health check to CLI (#23)

Add Status and Last Checked columns to `kernel proxies list`
<img width="2770" height="390" alt="image"
src="https://github.com/user-attachments/assets/4beb8e5e-368c-450f-9357-4bae01f50373"
/>

Author: sjmiller609

.gitignore

@@ -37,3 +37,4 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
 
 # Finder (MacOS) folder config
 .DS_Store
+kernel

cmd/proxies/list.go

@@ -26,7 +26,7 @@ func (p ProxyCmd) List(ctx context.Context) error {
 
 	// Prepare table data
 	tableData := pterm.TableData{
-		{"ID", "Name", "Type", "Config"},
+		{"ID", "Name", "Type", "Config", "Status", "Last Checked"},
 	}
 
 	for _, proxy := range *items {
@@ -38,11 +38,26 @@ func (p ProxyCmd) List(ctx context.Context) error {
 		// Format config based on type
 		configStr := formatProxyConfig(&proxy)
 
+		// Format status with color
+		status := string(proxy.Status)
+		if status == "" {
+			status = "-"
+		} else if status == "available" {
+			status = pterm.Green(status)
+		} else if status == "unavailable" {
+			status = pterm.Red(status)
+		}
+
+		// Format last checked timestamp
+		lastChecked := util.FormatLocal(proxy.LastChecked)
+
 		tableData = append(tableData, []string{
 			proxy.ID,
 			name,
 			string(proxy.Type),
 			configStr,
+			status,
+			lastChecked,
 		})
 	}
 

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/charmbracelet/fang v0.2.0
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/joho/godotenv v1.5.1
-	github.com/onkernel/kernel-go-sdk v0.11.5
+	github.com/onkernel/kernel-go-sdk v0.13.0
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c
 	github.com/pterm/pterm v0.12.80
 	github.com/samber/lo v1.51.0

go.sum

@@ -91,8 +91,8 @@ github.com/muesli/mango-pflag v0.1.0 h1:UADqbYgpUyRoBja3g6LUL+3LErjpsOwaC9ywvBWe
 github.com/muesli/mango-pflag v0.1.0/go.mod h1:YEQomTxaCUp8PrbhFh10UfbhbQrM/xJ4i2PB8VTLLW0=
 github.com/muesli/roff v0.1.0 h1:YD0lalCotmYuF5HhZliKWlIx7IEhiXeSfq7hNjFqGF8=
 github.com/muesli/roff v0.1.0/go.mod h1:pjAHQM9hdUUwm/krAfrLGgJkXJ+YuhtsfZ42kieB2Ig=
-github.com/onkernel/kernel-go-sdk v0.11.5 h1:LApX5A/Ful62LwNTW+srhi/3cx3W04pzgZ361PlDEAc=
-github.com/onkernel/kernel-go-sdk v0.11.5/go.mod h1:MjUR92i8UPqjrmneyVykae6GuB3GGSmnQtnjf1v74Dc=
+github.com/onkernel/kernel-go-sdk v0.13.0 h1:yxXE8I7Blze7d5oyeyvKWna088o1mFPIAyK+rjmhw3g=
+github.com/onkernel/kernel-go-sdk v0.13.0/go.mod h1:MjUR92i8UPqjrmneyVykae6GuB3GGSmnQtnjf1v74Dc=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=