v0.12

What's Changed

• Tools tab (gh) + prompt caching + conversation compaction by @mattmezza in #4
• Re-vendor wacli to upstream openclaw/wacli v0.11.0 by @mattmezza in #6
• feat(memory): unified update pipeline + embeddings + forgetting + hygiene (closes #5) by @mattmezza in #7

Full Changelog: v0.11...v0.12