fix(codex-link): use member OmniRoute catalog and metadata ordering

apps/desktop/assets/codex-bridge/README.md

@@ -10,6 +10,13 @@ Codex depends on it while `openai_base_url` points here.
   key read from the agent's `.env` on every catalog refresh (never written elsewhere).
 - `ide_catalog.py`: which IDE models and combos are added to Codex's model list and
   how they are named (`provider/model`, combos by bare name).
+  The public `/models` catalog supplies every OmniRoute chat model; a member does
+  not need a private local model allowlist. `/router/catalog` supplies only the
+  `kind` metadata used for sorting, never additional model IDs. Direct 9Router
+  entries and internal 9Router combos are excluded. Combos sort A–Z first, then
+  individual models by provider and name, including OpenAI subscription models.
+  Codex labels the first visible row `isDefault`; a saved model selection remains
+  unchanged. A failed or empty refresh keeps the last successful catalog.
 - `ozet_kopru.py`: conversation summaries are produced as plain text, so a summary made
   by one provider stays readable after the user switches to another.
 - `gemini_context.py`, `resim_context.py`: request fixes for routed models.