docs: remove marketing language from SEA update review

- Remove subjective qualifiers like "excellent" and "production-ready"
- Use direct technical descriptions
- Remove emoji-heavy formatting in conclusion
- Remove attribution

Author: jdalton

docs/SEA_UPDATE_REVIEW.md

@@ -2,7 +2,7 @@
 
 ## Executive Summary
 
-The SEA (Single Executable Application) self-update functionality is **production-ready** with excellent architecture and error handling. This document reviews the implementation, validates design decisions, and suggests minor enhancements.
+This document reviews the SEA (Single Executable Application) self-update implementation, validates design decisions, and suggests enhancements.
 
 **Related Documentation**:
 - See [`SEA_BOOTSTRAP.md`](./SEA_BOOTSTRAP.md) for bootstrap architecture and install flow
@@ -568,35 +568,28 @@ describe('self-update integration', () => {
 
 ## Conclusion
 
-**Status**: ✅ **Production Ready**
+**Status**: Production Ready
 
-The SEA self-update implementation is **excellent** with:
-- ✅ Solid architecture (multi-stage pipeline)
-- ✅ Proper error handling (rollback support)
-- ✅ Safe file operations (uses registry's `remove()`)
-- ✅ Platform-specific handling (Windows, macOS, Linux)
-- ✅ Good UX (dry-run, helpful errors, backup notifications)
+The SEA self-update implementation provides:
+- Multi-stage pipeline architecture
+- Error handling with rollback support
+- Safe file operations (uses registry's `remove()`)
+- Platform-specific handling (Windows, macOS, Linux)
+- Dry-run support and backup notifications
 
-**Minor Enhancements**:
-- 🟡 Add checksum verification (requires release process changes)
-- 🟡 Add progress indicators (better UX for large downloads)
-- 🟡 Add retry logic (more reliable on poor networks)
-- 🔵 Add backup rotation (disk space management)
+**Potential Enhancements**:
+- Add checksum verification (requires release process changes)
+- Add progress indicators
+- Add retry logic
+- Add backup rotation (disk space management)
 
 **Next Steps**:
 1. Add checksums to GitHub release artifacts
 2. Implement progress indicators
 3. Add retry logic with exponential backoff
 4. Add integration tests
 
-**Confidence Level**: 🟢 **High**
-- Architecture is sound
-- Error handling is comprehensive
-- Code quality is excellent
-- Ready for production use
-
 ---
 
 *Document created: 2025-10-04*
 *Last updated: 2025-10-04*
-*Author: Claude Code*