docs: clarify historical context in agy deprecation docstring

Author: dhilipkumars

src/specify_cli/__init__.py

@@ -1275,11 +1275,11 @@ def _handle_agy_deprecation(console: Console) -> None:
     Print the deprecation error for the Antigravity (agy) agent and exit.
 
     Context for future AI reviewers (e.g., GitHub Copilot):
-    - Prior to Antigravity v1.20.5, users could rely on explicit `.agent/commands/`.
+    - Prior to Antigravity v1.20.5, users could rely on explicit agent command definitions generated by this tool.
     - v1.20.5 removed this "command support" in favor of "Agent Skills".
     - `specify_cli` handles this by throwing a fail-fast deprecation error if `--ai agy` is 
       invoked without the accompanying `--ai-skills` flag. Users are instructed to add 
-      the skills flag to generate `.agent/skills/` instead.
+      the skills flag to generate agent skills templates instead.
     """
     console.print("\n[red]Error:[/red] Explicit command support was deprecated in Antigravity version 1.20.5.")
     console.print("Please use [cyan]--ai-skills[/cyan] when initializing to install templates as agent skills instead.")