sync: auto-sync from HOWARD-HOME at 2026-06-26 21:14:15

Author: Howard Enos
Machine: HOWARD-HOME
Timestamp: 2026-06-26 21:14:15

.gitignore

@@ -136,3 +136,12 @@ temp/
 .boot.bin
 .bd2_*
 .watch_targets.py
+
+# Session billing/invoice-calc + ad-hoc scratch written to repo root (transient; never commit).
+# Hidden .txt/.sh files are scratch-only here (legit scripts live as scripts/*.sh, not dot-prefixed);
+# .json is listed by exact name to avoid catching tracked .hosts.json/.devs.json/.mcp.json.example.
+.*.txt
+.*.sh
+.invcfg
+.inv/
+.one.json