feat: add VS Code IDE bridge extension

packages/vscode-ide-bridge/test/selectionPublisher.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, test } from 'bun:test'
+import { buildSelectionChangedParams } from '../src/server/selectionPublisher.js'
+
+describe('selection publisher helpers', () => {
+  test('serializes a selected range with text and file path', () => {
+    const params = buildSelectionChangedParams({
+      filePath: 'D:/vibe/claude-code/src/cli/print.ts',
+      text: 'const value = 1',
+      start: { line: 10, character: 2 },
+      end: { line: 10, character: 17 },
+    })
+
+    expect(params.filePath).toBe('D:/vibe/claude-code/src/cli/print.ts')
+    expect(params.text).toBe('const value = 1')
+    expect(params.selection?.start.line).toBe(10)
+    expect(params.selection?.end.character).toBe(17)
+  })
+
+  test('keeps file context when there is no active selection', () => {
+    const params = buildSelectionChangedParams({
+      filePath: 'D:/vibe/claude-code/src/cli/print.ts',
+    })
+
+    expect(params.filePath).toBe('D:/vibe/claude-code/src/cli/print.ts')
+    expect(params.selection).toBeNull()
+  })
+})