- hippocampus::memory_links now returns Vec<LinkInfo> with key,
link_strength, and node_weight for each neighbor
- Unified memory_tool! macro: mut/ref as token, single main rule
- All tools use serde serialize/deserialize for RPC consistency
- jsonargs handlers now work in client mode (RPC to daemon)
- cli/graph.rs formats LinkInfo for display
Co-Authored-By: Proof of Concept <poc@bcachefs.org>