feat(codex): allow writes to the retrieval data directory

Add the semantic retrieval data directory to
sandbox_workspace_write.writable_roots so Codex can build and refresh the
index without an approval.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

adapters/codex/config/config.toml

@@ -4,6 +4,7 @@ sandbox_mode = "workspace-write"
 
 [sandbox_workspace_write]
 network_access = true
+writable_roots = ['__AI_CONFIG_ROOT__/../.my-ai-configuration/semantic-retrieval/data']
 
 [windows]
 sandbox = "unelevated"