feat: persist instance ID via sessionStorage across page refreshes

- Use sessionStorage to reuse instance ID within the same tab
- Prevents instance list pollution from frequent page refreshes
- Applied to inject.ts, bridge.ts, and userscript.ts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2234839

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vite-plugin-pilot",
-  "version": "0.8.4",
+  "version": "0.9.0",
   "description": "AI Agent 驾驶浏览器的导航工具 — 打通 浏览器运行时 → Dev Server → 源码 → IDE 的完整链路",
   "type": "module",
   "bin": {

src/client/inject.ts

@@ -105,8 +105,9 @@ export function buildInjectScript(options: ResolvedPilotOptions, pilotVersion?:
 
   return `<script>
 var __PILOT_VERSION__ = "${version}";
-/** 生成短实例 ID（8 位随机 hex），每个 tab 独立标识，避免同 URL 多 tab 冲突 */
-var __pilot_instanceId = Math.random().toString(16).slice(2, 10);
+/** 实例 ID 持久化到 sessionStorage，同一 tab 刷新后复用（不同 tab 天然隔离） */
+var __pilot_instanceId = sessionStorage.getItem('__pilot_instanceId') || Math.random().toString(16).slice(2, 10);
+sessionStorage.setItem('__pilot_instanceId', __pilot_instanceId);
 (function() {
 ${body}
 })();

src/server/bridge.ts

@@ -68,7 +68,8 @@ export function buildBridgeScript(options: ResolvedPilotOptions, pilotVersion: s
   window.__PILOT_SERVER_ORIGIN__ = "${serverOrigin}";
   /** console: 前缀的 instance ID，与 Vite 注入的 tab 区分 */
   var __PILOT_VERSION__ = "${pilotVersion}";
-  window.__pilot_instanceId = "console:" + Math.random().toString(16).slice(2, 10);
+  window.__pilot_instanceId = sessionStorage.getItem('__pilot_instanceId') || ("console:" + Math.random().toString(16).slice(2, 10));
+  sessionStorage.setItem('__pilot_instanceId', window.__pilot_instanceId);
 
   console.log("[Pilot] Console Bridge starting... (instance: " + window.__pilot_instanceId + ")");
   console.log("[Pilot] Connecting to " + window.__PILOT_SERVER_ORIGIN__);

src/server/userscript.ts

@@ -373,7 +373,8 @@ export function buildUserscript(options: ResolvedPilotOptions, pilotVersion: str
   /** dev server 地址，按需修改 */
   var SERVER_ORIGIN = "${serverOrigin}";
   window.__PILOT_SERVER_ORIGIN__ = SERVER_ORIGIN;
-  window.__pilot_instanceId = "userscript:" + Math.random().toString(16).slice(2, 10);
+  window.__pilot_instanceId = sessionStorage.getItem('__pilot_instanceId') || ("userscript:" + Math.random().toString(16).slice(2, 10));
+  sessionStorage.setItem('__pilot_instanceId', window.__pilot_instanceId);
   var __PILOT_VERSION__ = "${pilotVersion}";
   /** ==================== 配置结束 ==================== */