Gitignore .agent-toolkit/config.json — fixes CI path resolution

config.json has hardcoded toolkit_path that only works on the dev
machine. CI bootstrap regenerates it with the runner's pwd.
Gitignoring prevents stale local paths from breaking gate checks.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jvalin17

.gitignore

@@ -19,6 +19,9 @@ memory/
 # Scratch dir — agents write findings.json here for hooks/finalize_report.py
 .scratch/
 
+# Agent-toolkit local config — machine-specific, regenerated by bootstrap
+.agent-toolkit/config.json
+
 # Signed gate — private key never commit; token refreshed by CI
 .gate/signing.key
 .gate/private.pem