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tasks/native-business-logic-migration/13-implement-android-feed-fetcher.md

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+# 13. Implement Android feed fetcher service
+
+meta:
+  id: native-business-logic-migration-13
+  feature: native-business-logic-migration
+  priority: P0
+  depends_on: [native-business-logic-migration-10]
+  tags: [implementation, android, networking]
+
+objective:
+- Implement feed fetching service with OkHttp
+
+deliverables:
+- FeedFetcher.kt
+- HTTPAuthCredentials.kt
+- FetchResult.kt
+- NetworkError.kt
+- Feed caching implementation
+
+tests:
+- Unit: Test OkHttp configuration
+- Unit: Test HTTP auth handling
+- Unit: Test error cases (timeout, 404, etc.)
+- Integration: Test fetching real feeds
+
+acceptance_criteria:
+- Feeds fetch with proper timeout (15s)
+- HTTP auth supported
+- Error handling complete
+- Response caching implemented
+- Performance: <5s for typical feed
+
+validation:
+- Run `./gradlew test`
+- Test with network throttling
+
+notes:
+- Use OkHttp with proper configuration
+- Implement exponential backoff for retries
+- Respect Cache-Control headers