feat(embeddings): add Constructor to CHUNKABLE_LABELS with text generation

gitnexus/src/core/embeddings/text-generator.ts

@@ -102,6 +102,19 @@ const generateFunctionText = (
   return `${header}\n\n${cleaned}`;
 };
 
+/**
+ * Generate embedding text for Constructor nodes
+ */
+const generateConstructorText = (
+  node: EmbeddableNode,
+  codeBody: string,
+  config: Partial<EmbeddingConfig>,
+): string => {
+  const header = buildMetadataHeader(node, config);
+  const cleaned = cleanContent(codeBody);
+  return `${header}\n\n${cleaned}`;
+};
+
 /**
  * Generate embedding text for Class nodes
  * Signature + properties + method name list only (no method bodies)
@@ -225,6 +238,10 @@ export const generateEmbeddingText = (
     return generateClassText(node, codeBody, config);
   }
 
+  if (node.label === 'Constructor') {
+    return generateConstructorText(node, codeBody, config);
+  }
+
   if (node.label === 'Function' || node.label === 'Method') {
     return generateFunctionText(node, codeBody, config);
   }

gitnexus/src/core/embeddings/types.ts

@@ -10,6 +10,7 @@
 export const CHUNKABLE_LABELS = [
   'Function',
   'Method',
+  'Constructor',
   'Class',
   'Interface',
   'Struct',

gitnexus/test/unit/text-generator.test.ts

@@ -3,6 +3,7 @@ import {
   generateEmbeddingText,
   truncateDescription,
 } from '../../src/core/embeddings/text-generator.js';
+import { isChunkableLabel } from '../../src/core/embeddings/types.js';
 import type { EmbeddableNode } from '../../src/core/embeddings/types.js';
 
 const baseNode: EmbeddableNode = {
@@ -89,6 +90,24 @@ describe('text-generator', () => {
     });
   });
 
+  describe('Constructor label', () => {
+    it('is recognized as chunkable', () => {
+      expect(isChunkableLabel('Constructor')).toBe(true);
+    });
+
+    it('is recognized as embeddable', () => {
+      const node: EmbeddableNode = {
+        ...baseNode,
+        label: 'Constructor',
+        name: 'constructor',
+        content: 'constructor(private service: ApiClient) {\n  this.service = service;\n}',
+      };
+      const text = generateEmbeddingText(node, node.content);
+      expect(text).toContain('Constructor: constructor');
+      expect(text).toContain('this.service = service');
+    });
+  });
+
   describe('truncateDescription', () => {
     it('returns short text unchanged', () => {
       expect(truncateDescription('short text', 150)).toBe('short text');