fix(requestlogstore): enhance log entry validation to prevent service worker pollution

ts_web_serviceworker/classes.requestlogstore.ts

@@ -29,8 +29,22 @@ export class RequestLogStore {
 
   /**
    * Add a new log entry
+   * Rejects entries for serviceworker_* methods to prevent pollution from SW internal messages
    */
   public addEntry(entry: interfaces.serviceworker.ITypedRequestLogEntry): void {
+    // Reject serviceworker_* methods - these are internal SW messages, not app traffic
+    // This prevents infinite loop pollution if hooks bypass somehow
+    if (entry.method && entry.method.startsWith('serviceworker_')) {
+      logger.log('note', `Rejecting serviceworker_* entry: ${entry.method}`);
+      return;
+    }
+
+    // Also reject entries with deeply nested payloads (sign of previous loop corruption)
+    if (this.hasNestedServiceworkerPayload(entry)) {
+      logger.log('warn', `Rejecting corrupted entry with nested serviceworker_* payload`);
+      return;
+    }
+
     // Add to log
     this.logs.push(entry);
 
@@ -43,6 +57,29 @@ export class RequestLogStore {
     this.updateStats(entry);
   }
 
+  /**
+   * Check if an entry has nested serviceworker_* methods in its payload (corruption from old loops)
+   */
+  private hasNestedServiceworkerPayload(entry: interfaces.serviceworker.ITypedRequestLogEntry, depth = 0): boolean {
+    // Limit recursion depth to prevent stack overflow
+    if (depth > 3) return false;
+
+    const payload = entry.payload;
+    if (!payload || typeof payload !== 'object') return false;
+
+    // Check if payload looks like a TypedRequest log entry with serviceworker_* method
+    if (payload.method && typeof payload.method === 'string' && payload.method.startsWith('serviceworker_')) {
+      return true;
+    }
+
+    // Check nested payload
+    if (payload.payload) {
+      return this.hasNestedServiceworkerPayload({ ...entry, payload: payload.payload }, depth + 1);
+    }
+
+    return false;
+  }
+
   /**
    * Update statistics based on new entry
    */