feat(omp): set mactraitorpro grok default

Author: edmundmiller

hosts/mactraitorpro/default.nix

@@ -88,7 +88,11 @@
         codex.enable = true;
         omp = {
           enable = true;
-          smolModel = "xai-oauth/grok-composer-2.5-fast";
+          smolModel = "cursor/composer-2.5";
+          modelRoles = {
+            smol = "cursor/composer-2.5";
+            default = "xai-oauth/grok-4.5";
+          };
           modelProviderOrder = [
             "openai-codex"
             "xai-oauth"
@@ -99,7 +103,6 @@
           retry.fallbackChains = {
             default = [
               "opencode-go/glm-5.2"
-              "xai-oauth/grok-composer-2.5-fast"
             ];
             plan = [
               "cursor/grok-4.5-high"

modules/agents/omp/AGENTS.md

@@ -53,10 +53,11 @@ into the rendered `config.yml`. Use it only for real host auth or quota
 differences; keep shared defaults in `config/omp/config.yml`. Precedence:
 `--smol` flag > `PI_SMOL_MODEL` > rendered `config.yml`.
 
-Current split: MacTraitor-Pro uses `xai-oauth/grok-composer-2.5-fast`;
-Seqeratop renders `cursor/composer-2.5` for smol and
-`openai-codex/gpt-5.6-sol:low` for default. Keep future host-specific role changes
-in the host `modules.agents.omp` block, not shared `config.yml`.
+Current split: MacTraitor-Pro uses `xai-oauth/grok-4.5` for default
+and `cursor/composer-2.5` for smol; Seqeratop renders `cursor/composer-2.5`
+for smol and `openai-codex/gpt-5.6-sol:low` for default. Keep future
+host-specific role changes in the host `modules.agents.omp` block, not shared
+`config.yml`.
 
 ## Docs
 

modules/agents/omp/message-queue.md

@@ -63,11 +63,11 @@ config at activation. `modules.agents.omp.smolModel` also injects `PI_SMOL_MODEL
 for the smol/commit fast path. Precedence: `--smol` flag > `PI_SMOL_MODEL` env >
 rendered `config.yml`.
 
-- **mactraitorpro**: smol via `xai-oauth/grok-composer-2.5-fast`.
+- **mactraitorpro**: default `xai-oauth/grok-4.5`; smol `cursor/composer-2.5`.
 - **seqeratop**: smol `cursor/composer-2.5`; default `openai-codex/gpt-5.6-sol:low`.
 - **fallbacks**: shared `slow` falls back Sol → Terra → Luna; mactraitorpro
-  then falls back to `cursor/grok-4.5-high` → GLM, while Seqeratop falls back
-  to `cursor/grok-4.5-high` after Terra/Luna for `default` and `slow`.
+  default falls back to GLM only, while its `plan`/`slow` paths include
+  `cursor/grok-4.5-high` before GLM.
 
 **Gotcha — Codex catalog lies.** `omp models openai-codex` can list unsupported
 ids; smoke-test every new id before trusting it. Verified GPT-5.6 ids: