feat(stl): add lint command for fast diagnostics

pkg/cmd/cmd.go

@@ -162,6 +162,8 @@ stl builds create --branch <branch>`,
 
 			&devCommand,
 
+			&lintCommand,
+
 			{
 				Name:            "@manpages",
 				Usage:           "Generate documentation for 'man'",

pkg/cmd/configwatcher.go

@@ -0,0 +1,62 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/urfave/cli/v3"
+)
+
+type configChangedEvent struct{}
+
+func waitTillConfigChanges(ctx context.Context, cmd *cli.Command, cc *apiCommandContext) error {
+	openapiSpecPath := cc.workspaceConfig.OpenAPISpec
+	if cmd.IsSet("openapi-spec") {
+		openapiSpecPath = cmd.String("openapi-spec")
+	}
+	stainlessConfigPath := cc.workspaceConfig.StainlessConfig
+	if cmd.IsSet("stainless-config") {
+		stainlessConfigPath = cmd.String("stainless-config")
+	}
+
+	// Get initial file modification times
+	openapiSpecInfo, err := os.Stat(openapiSpecPath)
+	if err != nil {
+		return fmt.Errorf("failed to get file info for %s: %v", openapiSpecPath, err)
+	}
+	openapiSpecModTime := openapiSpecInfo.ModTime()
+
+	stainlessConfigInfo, err := os.Stat(stainlessConfigPath)
+	if err != nil {
+		return fmt.Errorf("failed to get file info for %s: %v", stainlessConfigPath, err)
+	}
+	stainlessConfigModTime := stainlessConfigInfo.ModTime()
+
+	// Poll for file changes every 250ms
+	ticker := time.NewTicker(250 * time.Millisecond)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			// Check OpenAPI spec file
+			if info, err := os.Stat(openapiSpecPath); err == nil {
+				if info.ModTime().After(openapiSpecModTime) {
+					return nil
+				}
+			}
+
+			// Check Stainless config file
+			if info, err := os.Stat(stainlessConfigPath); err == nil {
+				if info.ModTime().After(stainlessConfigModTime) {
+					return nil
+				}
+			}
+
+		case <-ctx.Done():
+			return ctx.Err()
+		}
+	}
+}