diff --git a/compiler/src/parser.ts b/compiler/src/parser.ts
index 9a7d15e..3ccb289 100644
--- a/compiler/src/parser.ts
+++ b/compiler/src/parser.ts
@@ -324,15 +324,13 @@ function parseSpeck(lines: string[], startIndex: number): SpeckNode | null {
   const name = headerMatch[1];
   const members: MemberNode[] = [];
 
-  // Cycle 61: clear static metadata fields at the start of each parse
-  // so per-speck directives don't leak between parse calls. This is the
-  // pre-existing static-field-hack pattern for proto_package / go_package
-  // (see spec-compiler-dogfood skill anti-pattern). Refactoring to a
-  // local-object approach is tracked as a separate cleanup; for now
-  // resetting the fields here is the minimal-touch fix.
-  (parseSpeck as any)._protoPackage = undefined;
-  (parseSpeck as any)._goPackage = undefined;
-  (parseSpeck as any)._eventSuffix = undefined;
+  // Cycle 73: refactored from static-field hack to local-object pattern.
+  // Previously, proto_package / go_package / event_suffix were stored
+  // on (parseSpeck as any)._protoPackage etc — static function fields
+  // that leaked between parse calls. Now collected in a local metadata
+  // object and spread into the return value. No reset needed because
+  // the object is local to this invocation.
+  const metadata: { protoPackage?: string; goPackage?: string; eventSuffix?: string } = {};
 
   let i = startIndex + 1;
   let braceCount = 1;
@@ -357,11 +355,11 @@ function parseSpeck(lines: string[], startIndex: number): SpeckNode | null {
       // Strip surrounding quotes if present
       const value = metaMatch[2].trim().replace(/^['"]|['"]$/g, '');
       if (metaMatch[1] === 'proto_package') {
-        (parseSpeck as any)._protoPackage = value;
+        metadata.protoPackage = value;
       } else if (metaMatch[1] === 'go_package') {
-        (parseSpeck as any)._goPackage = value;
+        metadata.goPackage = value;
       } else if (metaMatch[1] === 'event_suffix') {
-        (parseSpeck as any)._eventSuffix = value;
+        metadata.eventSuffix = value;
       }
       i++;
       continue;
@@ -435,9 +433,9 @@ function parseSpeck(lines: string[], startIndex: number): SpeckNode | null {
   }
 
   return { type: 'speck', name, members,
-           protoPackage: (parseSpeck as any)._protoPackage,
-           goPackage: (parseSpeck as any)._goPackage,
-           eventSuffix: (parseSpeck as any)._eventSuffix };
+           protoPackage: metadata.protoPackage,
+           goPackage: metadata.goPackage,
+           eventSuffix: metadata.eventSuffix };
 }
 
 function findBlockEnd(lines: string[], startIndex: number, startBraceCount: number): number {