fix(guardrails): pass providerId to getResolvedModelCapabilities in checkComboVision (#12112) (#12169)

* fix(guardrails): pass providerId to getResolvedModelCapabilities in checkComboVision (#12112)

Signed-off-by: Minxi Hou <houminxi@gmail.com>

* chore(quality): register combo-vision providerId test in the stryker tap set

---------

Signed-off-by: Minxi Hou <houminxi@gmail.com>
Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>

tests/unit/guardrails/combo-vision-provider-id-12112.test.ts

@@ -0,0 +1,69 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+process.env.DATA_DIR = `/tmp/omniroute-test-12112-${Date.now()}`;
+
+const { getComboVisionBridgeDecision } = await import(
+  "../../../src/lib/guardrails/visionBridge.ts"
+);
+const combosDb = await import("../../../src/lib/db/combos.ts");
+const core = await import("../../../src/lib/db/core.ts");
+const { isVisionIncompatibleTarget } = await import(
+  "../../../open-sse/services/combo/comboStructure.ts"
+);
+import type { ResolvedComboTarget } from "../../../open-sse/services/combo/types.ts";
+
+test.after(() => {
+  core.resetDbInstance();
+});
+
+test("#12112: checkComboVision respects providerId for namespaced vision models (e.g. nvidia/nemotron-nano-12b-v2-vl)", async () => {
+  // Model 'nvidia/nemotron-nano-12b-v2-vl' is declared with supportsVision: true in nvidia provider registry.
+  // It has a slash in model id and requires providerId="nvidia" to resolve capabilities.
+  await combosDb.createCombo({
+    name: "nvidia-vision-combo-12112",
+    models: [
+      {
+        providerId: "nvidia",
+        model: "nvidia/nemotron-nano-12b-v2-vl",
+        weight: 1,
+      },
+    ],
+  });
+
+  const decision = await getComboVisionBridgeDecision("nvidia-vision-combo-12112");
+  assert.equal(
+    decision,
+    "skip",
+    "Combo with explicit nvidia vision model must resolve as 'skip' (vision supported), not 'no-vision'"
+  );
+});
+
+test("#12112: isVisionIncompatibleTarget passes providerId to resolve vision capability", () => {
+  const target: ResolvedComboTarget = {
+    kind: "model",
+    stepId: "step-1",
+    executionKey: "step-1",
+    modelStr: "nvidia/nemotron-nano-12b-v2-vl",
+    provider: "nvidia",
+    providerId: "nvidia",
+    connectionId: "conn-1",
+    weight: 1,
+    label: null,
+  };
+
+  const incompatible = isVisionIncompatibleTarget(target, {
+    requiresTools: false,
+    requiresVision: true,
+    requiresStructuredOutput: false,
+    estimatedInputTokens: 10,
+    requestedOutputTokens: 10,
+    requiredContextTokens: 10,
+  });
+
+  assert.equal(
+    incompatible,
+    false,
+    "Target with providerId='nvidia' and model='nvidia/nemotron-nano-12b-v2-vl' must be vision-compatible"
+  );
+});