Allow git commits when explicitly asked

Move the git add/commit restriction out of "NEVER RUN" into a new
"ONLY WHEN EXPLICITLY ASKED" section, so agents may stage and commit
only on request.

AGENTS.md

@@ -16,7 +16,10 @@ All commands must be executed using `pnpm`. Never use `npm`.
 ### NEVER RUN
 
 - `pnpm build` (only run for releases by the devs)
-- `git add`, `git commit`, or any other commands that modify git history or the staging area
+
+### ONLY WHEN EXPLICITLY ASKED
+
+- `git add`, `git commit`, or any other commands that modify git history or the staging area. Never run these unprompted; only when the user explicitly asks.
 
 ## Application Architecture & Frameworks