feat(tabs): batch-close tabs by id list

Closing many tabs previously meant one IPC round-trip per tab
(tab.close() in a loop). Add a single batched path so callers can
close N tabs in one command, reusing the existing large-operation
throttle so the browser UI stays responsive.

- extension: tabs.close accepts tabIds: number[]; new branch feeds
  the array through processInBatches/chrome.tabs.remove
- sdk: tabs_close(tab_ids=...) takes tab IDs or Tab objects; the
  payload always carries "tabIds" (null when unused)
- tests: cover id-list and Tab-object batch close in test_api.py
- bump 0.10.3 -> 0.10.4 (pyproject.toml, manifest.json)

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "browser-cli",
-  "version": "0.10.3",
+  "version": "0.10.4",
   "description": "Control your browser from the terminal or Python SDK",
   "permissions": [
     "tabs",

extension/src/commands/tabs.ts

@@ -19,7 +19,7 @@ export class TabsMutationCommands extends CommandGroup {
     "tabs.screenshot":       (a: TabsScreenshotArgs) => this.tabsScreenshot(a),
   };
 
-  private async tabsClose({ tabId, inactive, duplicates, gentleMode, __job }: TabsCloseArgs = {}) {
+  private async tabsClose({ tabId, tabIds, inactive, duplicates, gentleMode, __job }: TabsCloseArgs = {}) {
     return runLargeOperation("tabs.close", async () => {
       let toClose: number[] = [];
       if (duplicates) {
@@ -33,6 +33,8 @@ export class TabsMutationCommands extends CommandGroup {
       } else if (inactive) {
         const all = await chrome.tabs.query({});
         toClose = all.filter(t => !t.active).map(t => t.id);
+      } else if (tabIds?.length) {
+        toClose = tabIds.filter(id => id != null);
       } else if (tabId) {
         toClose = [tabId];
       }

extension/src/types/command-args.ts

@@ -23,7 +23,7 @@ export interface NavOpenWaitArgs {
 }
 
 // ── Tabs ──────────────────────────────────────────────────────────────────────
-export interface TabsCloseArgs { tabId?: number; inactive?: boolean; duplicates?: boolean; gentleMode?: string; __job?: Job; }
+export interface TabsCloseArgs { tabId?: number; tabIds?: number[]; inactive?: boolean; duplicates?: boolean; gentleMode?: string; __job?: Job; }
 export interface TabsMoveArgs { tabId?: number; groupId?: number; windowId?: number; index?: number; forward?: boolean; backward?: boolean; }
 export interface TabIdArgs { tabId?: number; }
 export interface TabsActiveInWindowArgs { windowId?: number; }