v1.6.0

Features

• Add Go and Rust exercises for 20 patterns (batches 1-3) — first multi-language exercise expansion
• Add DemoBadge component for interactive demo discovery on all 92 pattern pages
• Add skeleton screen loading state for lazy-loaded viz components

Fixes

• Replace eager Go Filter with lazy iter.Seq in iterator pattern (Go 1.23)
• Upgrade Go to 1.23 for iter.Seq support in CI and verify script
• Unify iterator pattern diagram with interactive component
• Align ZH LSM tree ASCII diagram box-top widths
• Correct 11 viz component bugs from comprehensive audit
• Adjust homepage feature icon size to 100×100

Documentation

• Add recommended learning paths to getting-started guide (EN+ZH)
• Add pattern timeline entry to homepage pattern table area
• Add SOP 10 for interactive viz component audit checklist