feat(writer): 🎉 Add sanitization for struct tag values

* Implement SanitizeStructTagValue function to clean identifiers for struct tags.
* Update model data generation to use sanitized column names.
* Ensure safe handling of backticks in column names and types across writers.

pkg/writers/bun/template_data.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
 )
 
 // TemplateData represents the data passed to the template for code generation
@@ -133,8 +134,10 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
 	// Find primary key
 	for _, col := range table.Columns {
 		if col.IsPrimaryKey {
-			model.PrimaryKeyField = SnakeCaseToPascalCase(col.Name)
-			model.IDColumnName = col.Name
+			// Sanitize column name to remove backticks
+			safeName := writers.SanitizeStructTagValue(col.Name)
+			model.PrimaryKeyField = SnakeCaseToPascalCase(safeName)
+			model.IDColumnName = safeName
 			// Check if PK type is a SQL type (contains resolvespec_common or sql_types)
 			goType := typeMapper.SQLTypeToGoType(col.Type, col.NotNull)
 			model.PrimaryKeyIsSQL = strings.Contains(goType, "resolvespec_common") || strings.Contains(goType, "sql_types")
@@ -154,10 +157,13 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
 
 // columnToField converts a models.Column to FieldData
 func columnToField(col *models.Column, table *models.Table, typeMapper *TypeMapper) *FieldData {
-	fieldName := SnakeCaseToPascalCase(col.Name)
+	// Sanitize column name first to remove backticks before generating field name
+	safeName := writers.SanitizeStructTagValue(col.Name)
+	fieldName := SnakeCaseToPascalCase(safeName)
 	goType := typeMapper.SQLTypeToGoType(col.Type, col.NotNull)
 	bunTag := typeMapper.BuildBunTag(col, table)
-	jsonTag := col.Name // Use column name for JSON tag
+	// Use same sanitized name for JSON tag
+	jsonTag := safeName
 
 	return &FieldData{
 		Name:    fieldName,

pkg/writers/bun/type_mapper.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
 )
 
 // TypeMapper handles type conversions between SQL and Go types for Bun
@@ -164,11 +165,14 @@ func (tm *TypeMapper) BuildBunTag(column *models.Column, table *models.Table) st
 	var parts []string
 
 	// Column name comes first (no prefix)
-	parts = append(parts, column.Name)
+	// Sanitize to remove backticks which would break struct tag syntax
+	safeName := writers.SanitizeStructTagValue(column.Name)
+	parts = append(parts, safeName)
 
 	// Add type if specified
 	if column.Type != "" {
-		typeStr := column.Type
+		// Sanitize type to remove backticks
+		typeStr := writers.SanitizeStructTagValue(column.Type)
 		if column.Length > 0 {
 			typeStr = fmt.Sprintf("%s(%d)", typeStr, column.Length)
 		} else if column.Precision > 0 {
@@ -188,7 +192,9 @@ func (tm *TypeMapper) BuildBunTag(column *models.Column, table *models.Table) st
 
 	// Default value
 	if column.Default != nil {
-		parts = append(parts, fmt.Sprintf("default:%v", column.Default))
+		// Sanitize default value to remove backticks
+		safeDefault := writers.SanitizeStructTagValue(fmt.Sprintf("%v", column.Default))
+		parts = append(parts, fmt.Sprintf("default:%s", safeDefault))
 	}
 
 	// Nullable (Bun uses nullzero for nullable fields)
@@ -263,7 +269,7 @@ func (tm *TypeMapper) NeedsFmtImport(generateGetIDStr bool) bool {
 
 // GetSQLTypesImport returns the import path for sql_types (ResolveSpec common)
 func (tm *TypeMapper) GetSQLTypesImport() string {
-	return "github.com/bitechdev/ResolveSpec/pkg/common"
+	return "github.com/bitechdev/ResolveSpec/pkg/spectypes"
 }
 
 // GetBunImport returns the import path for Bun