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tasks/native-business-logic-migration/09-implement-ios-feed-parser.md

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+# 09. Implement iOS RSS/Atom feed parser
+
+meta:
+  id: native-business-logic-migration-09
+  feature: native-business-logic-migration
+  priority: P0
+  depends_on: [native-business-logic-migration-06]
+  tags: [implementation, ios, parsing]
+
+objective:
+- Implement RSS 2.0 and Atom 1.0 feed parser for iOS
+
+deliverables:
+- FeedParser.swift
+- RSSParser.swift
+- AtomParser.swift
+- FeedType.swift (enum)
+- ParseResult.swift
+- XML parsing utilities
+
+tests:
+- Unit: Test RSS 2.0 parsing with sample feeds
+- Unit: Test Atom 1.0 parsing with sample feeds
+- Unit: Test iTunes namespace handling
+- Unit: Test error cases (malformed XML)
+- Integration: Test with real-world feeds
+
+acceptance_criteria:
+- RSS 2.0 feeds parse correctly
+- Atom 1.0 feeds parse correctly
+- iTunes namespace handled
+- Enclosures extracted properly
+- Error handling for malformed feeds
+- Performance: <100ms for typical feed
+
+validation:
+- Run unit tests with sample feeds
+- Test with known problematic feeds
+
+notes:
+- Use Swift's XMLParser or SwiftXML
+- Handle namespaces properly
+- Support both inline and separate content