complete route generator

pkg/ast/route/builder.go

@@ -27,6 +27,8 @@ func buildRenderData(opts RenderBuildOpts) (RenderData, error) {
 
     imports := []string{}
     controllers := []string{}
+    // Track if any param uses model lookup, which requires the field package.
+    needsFieldImport := false
 
 	for _, route := range opts.Routes {
 		imports = append(imports, route.Imports...)
@@ -43,6 +45,9 @@ func buildRenderData(opts RenderBuildOpts) (RenderData, error) {
                 if tok == "" {
                     return "", false
                 }
+                if item.Model != "" {
+                    needsFieldImport = true
+                }
                 return tok, true
             })
 
@@ -57,6 +62,11 @@ func buildRenderData(opts RenderBuildOpts) (RenderData, error) {
 		}
     }
 
+    // Add field import if any model lookups are used
+    if needsFieldImport {
+        imports = append(imports, `field "go.ipao.vip/gen/field"`)
+    }
+
     // de-dup and sort imports/controllers for stable output
     rd.Imports = lo.Uniq(imports)
     sort.Strings(rd.Imports)