Document prompt role deployment

Co-authored-by: OpenAI Codex <codex@openai.com>

AGENTS.md

@@ -324,11 +324,16 @@ technical cutaway animation.
   `28.59s` with `coerced_render_mode: three`, and the endpoint-style Modal
   diagnostic returned a validated two-part mechanism payload. Stable Modal
   deploy completed on June 15, 2026, and the stable unauthenticated
-  `runtime_probe` request returned `401 Unauthorized`. Authenticated stable
-  Modal and private-Space verification could not be run from the local shell
-  because `SNAP2SIM_API_TOKEN` / Hugging Face auth tokens were not set locally.
-  GitHub push/sync and authenticated private-Space verification still need to
-  run before public demo claims rely on the prompt-role split.
+  `runtime_probe` request returned `401 Unauthorized`.
+- Committed and pushed `f24826e` (`Split vision prompt roles`) to GitHub
+  `main`. GitHub Actions sync run `27530875972` completed successfully, and
+  the private Hugging Face Space reported SHA
+  `f24826e7a4f7335cb4310f88c01baef7d8155860`.
+- Authenticated private Space verification after the prompt-role sync: root
+  returned `200`, the trusted shell was present, the synthetic target image
+  returned a real Modal analysis for `cutaway mechanism` at `0.7` confidence
+  with 3 parts, and `/generate_scene` returned `renderer: three`,
+  `render_mode: three`, and no HTML field.
 
 ## Next Work