fix(desktop): add listTargets() to MacosAxapiBackend (main broken)

src/desktop/macos-axapi-backend.ts

@@ -33,6 +33,7 @@ import type {
     CaptureDesktopOptions,
     DesktopCapture,
     DesktopCaptureBackend,
+    DesktopTargetSummary,
     ExecuteDesktopAction,
     ExecuteDesktopOptions,
     ExecuteDesktopResult,
@@ -106,6 +107,20 @@ export class MacosAxapiBackend implements DesktopCaptureBackend {
 
     // ── DesktopCaptureBackend implementation ─────────────────────────
 
+    async listTargets(): Promise<DesktopTargetSummary[]> {
+        await this.ensureStarted()
+        const result = (await this.call('list_windows', {})) as { windows?: RawWindowSummary[] }
+        const raw = result?.windows ?? []
+        return raw.map((w) => ({
+            window_id: w.windowId,
+            process_name: w.processName ?? undefined,
+            process_id: w.processId ?? undefined,
+            window_title: w.windowTitle,
+            window_class: w.windowClass ?? undefined,
+            has_focus: !!w.hasFocus,
+        }))
+    }
+
     async capture(opts: CaptureDesktopOptions = {}): Promise<DesktopCapture> {
         await this.ensureStarted()
         const params = {
@@ -397,6 +412,15 @@ function resolveBridgePath(): string {
 // Wire format mapping (shared with Windows backend)
 // ──────────────────────────────────────────────────────────────────────
 
+interface RawWindowSummary {
+    windowId: string
+    processName?: string | null
+    processId?: number | null
+    windowTitle: string
+    windowClass?: string | null
+    hasFocus: boolean
+}
+
 interface RawDesktopCapture {
     platform: 'windows' | 'macos' | 'linux'
     processName?: string | null

test/desktop/macos-axapi-backend.test.ts

@@ -37,6 +37,17 @@ describe('MacosAxapiBackend', () => {
         expect(backend.name).toBe('macos_axapi')
     })
 
+    it('listTargets maps the bridge `windows` array to snake_case DesktopTargetSummary', async () => {
+        backend = makeBackend()
+        const targets = await backend.listTargets()
+        expect(targets.length).toBeGreaterThan(0)
+        const w = targets[0]
+        expect(w.window_title).toBe('Fake Window 1')
+        expect(w.process_name).toBe('FakeApp.exe')
+        expect(w.process_id).toBe(42)
+        expect(w.has_focus).toBe(true)
+    })
+
     it('captures via the bridge and maps the response to DesktopCapture', async () => {
         backend = makeBackend()
         const cap = await backend.capture({})