diff --git a/.gitignore b/.gitignore
index 3e503c5..8f5d20e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,3 +53,10 @@ sound_algo/*.log
 .vscode/
 *.swp
 *~
+
+# tool session state (claude-mem / remember skill)
+.remember/
+
+# macOS / iCloud collision artifacts (auto-created on rename)
+*\ 2
+*\ 2.*
diff --git a/CLAUDE.md b/CLAUDE.md
index c6b2c0d..582f4b1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -27,6 +27,16 @@ Toujours répondre en français à l'utilisateur. Code, commentaires de code, co
 | Bridge web / UI de live coding | `web_realart/` |
 | Plans / specs en cours | `docs/superpowers/plans/` |
 
+## Network topology
+
+| Host | mDNS | IP (DHCP) | Role |
+|------|------|-----------|------|
+| GrosMac M5 | `grosmac.local` | LAN | Source + visualisation (AVLiveBody + data_only_viz + data_feeds) |
+| macm1 M1 Max | `supra-m1.local` | `192.168.0.175` | Sink (Multi-HMR CoreML + Apple Vision ANE + SMPL-X TCP) |
+| iPhone 16 Pro | (Personal Hotspot) | DHCP | ARKit/LiDAR pub via OSC `/body3d/kp` |
+
+`AVBODY_HOST` / `MULTIHMR_REMOTE_HOST` accept mDNS hostnames — résiste aux changements DHCP (notamment iPhone hotspot 172.20.10.x).
+
 ## Environment variables
 
 | Env | Default | Effect |