chore: bump version to 0.3.8

Code audit fixes:
- CRITICAL: reorder Markdown pipeline (fixImages before sanitize)
- CRITICAL: fix path prefix separator check
- BLOCKING: remove duplicate useEffect in Editor
- BLOCKING: skip onChange when content unchanged
- BLOCKING: optimize Sidebar re-render with useMemo
- HIGH: cleanup FileWatcher polling intervals
- HIGH: improve validatePath segment check
- HIGH: fix isExternalUpdate race with counter
- HIGH: add will-navigate / setWindowOpenHandler
- HIGH: explicit strip in sanitize schema
- MEDIUM: random temp file suffix instead of Date.now()
- MEDIUM/LOW: add IndexedDB error boundaries
- LOW: support UTF-16 BOM detection

src/main/file-watcher.ts

@@ -5,6 +5,8 @@ export class FileWatcher {
   private watcher: fs.FSWatcher | null = null
   private currentPath: string | null = null
   private isSelfWriting = false
+  private pollTimer: ReturnType<typeof setInterval> | null = null
+  private pollTimeout: ReturnType<typeof setTimeout> | null = null
 
   constructor(private getMainWindow: () => BrowserWindow | null) {}
 
@@ -27,18 +29,18 @@ export class FileWatcher {
         const originalPath = this.currentPath
         this.stop()
         if (originalPath) {
-          const pollInterval = setInterval(() => {
+          this.pollTimer = setInterval(() => {
             try {
               if (fs.existsSync(originalPath)) {
-                clearInterval(pollInterval)
+                this.clearPollTimers()
                 this.start(originalPath)
               }
             } catch {
-              clearInterval(pollInterval)
+              this.clearPollTimers()
             }
           }, 2000)
           // 最多轮询30秒
-          setTimeout(() => clearInterval(pollInterval), 30000)
+          this.pollTimeout = setTimeout(() => this.clearPollTimers(), 30000)
         }
       })
     } catch {
@@ -47,6 +49,7 @@ export class FileWatcher {
   }
 
   stop(): void {
+    this.clearPollTimers()
     if (this.watcher) {
       this.watcher.close()
       this.watcher = null
@@ -54,6 +57,17 @@ export class FileWatcher {
     this.currentPath = null
   }
 
+  private clearPollTimers(): void {
+    if (this.pollTimer) {
+      clearInterval(this.pollTimer)
+      this.pollTimer = null
+    }
+    if (this.pollTimeout) {
+      clearTimeout(this.pollTimeout)
+      this.pollTimeout = null
+    }
+  }
+
   getCurrentPath(): string | null {
     return this.currentPath
   }