feat(scripts): support external file embedding

pkg/writers/sqlexec/writer.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/jackc/pgx/v5"
 
+	"git.warky.dev/wdevs/relspecgo/pkg/assetloader"
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/pgsql"
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
@@ -138,7 +139,28 @@ func (w *Writer) executeScripts(ctx context.Context, conn *pgx.Conn, scripts []*
 			script.Name, script.Priority, script.Sequence)
 
 		// Execute the SQL script
-		_, err := conn.Exec(ctx, script.SQL)
+		sql, err := processEmbedDirectives(script)
+		if err != nil {
+			if ignoreErrors {
+				fmt.Printf("⚠ Error preparing %s: %v (continuing due to --ignore-errors)\n", script.Name, err)
+				failedScripts = append(failedScripts, struct {
+					name     string
+					priority int
+					sequence uint
+					err      error
+				}{
+					name:     script.Name,
+					priority: script.Priority,
+					sequence: script.Sequence,
+					err:      err,
+				})
+				continue
+			}
+			return fmt.Errorf("script %s (Priority=%d, Sequence=%d): %w",
+				script.Name, script.Priority, script.Sequence, err)
+		}
+
+		_, err = conn.Exec(ctx, sql)
 		if err != nil {
 			if ignoreErrors {
 				fmt.Printf("⚠ Error executing %s: %v (continuing due to --ignore-errors)\n", script.Name, err)
@@ -179,3 +201,11 @@ func (w *Writer) executeScripts(ctx context.Context, conn *pgx.Conn, scripts []*
 
 	return nil
 }
+
+func processEmbedDirectives(script *models.Script) (string, error) {
+	sqlPath, _ := script.Metadata[assetloader.ScriptSourcePathMetadataKey].(string)
+	if sqlPath == "" {
+		return script.SQL, nil
+	}
+	return assetloader.ProcessEmbedDirectives(sqlPath, script.SQL)
+}