feat(discord): read-only tools for the Discord Sage through a Mosaic pi extension confined to declared roots (#1509)

A binding may declare `tools` with named roots. pi starts with --no-builtin-tools and the package's own extension, allowlisting list_dir, read_file and search. src/tools.mjs holds the rules: names not paths, per-segment lstat walk, one checked descriptor read that refuses symlinks, swaps, FIFOs, hard links and oversize files, credential shapes refusing the whole read, and a per-message call budget. The engine settles on agent_end and records tool calls in the turn record. Jason's rulings R1-R7 in the brief, section 7. rev-code-02 approved round 2 (comment 26276) on tree 43f0329b after four round 1 fixes. Suite 48/48, node tests 116. Not pushed. Co-Authored-By: Claude Opus 5 <[email protected]>
2026-09-14 19:52:21 -05:00
parent c4fc8e7d7f
commit 1ac812d3d5
24 changed files with 1269 additions and 44 deletions
@@ -73,7 +73,7 @@ next, for one binding:
  journalctl --user -u mosaic-discord@<binding> -f          the connector's log
  systemctl --user stop mosaic-discord@<binding>            SIGTERM; restartable
  scripts/discord.sh stop <binding>                         the brake: writes STOP, the unit stays down until STOP is removed
-survive logout and reboot only with lingering on: loginctl enable-linger $USER
+survive logout and reboot only with lingering on: loginctl enable-linger ${USER:-$(id -un)}
 MSG
 }