fix: show custom vision models in LLM selector and model list

Expose user-added imageToText custom models as vision-capable chat
models in the default LLM selector and /v1/models, map custom service
kinds to runtime capabilities, and keep typed filtering for
/v1/models/{kind}.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/api/v1/models/route.js

@@ -9,6 +9,7 @@ import { getProviderConnections, getCombos, getCustomModels, getModelAliases } f
 import { getDisabledModels } from "@/lib/disabledModelsDb";
 import { resolveKiroModels } from "open-sse/services/kiroModels.js";
 import { resolveQoderModels } from "open-sse/services/qoderModels.js";
+import { capabilitiesFromServiceKind } from "open-sse/providers/capabilities.js";
 
 // Per-provider live model resolvers. Each receives a connection record and
 // returns { models: [{ id, name? }, ...] } | null on failure.
@@ -314,13 +315,22 @@ export async function buildModelsList(kindFilter) {
         })
         .filter((modelId) => typeof modelId === "string" && modelId.trim() !== "");
 
+      const customModelKindById = new Map();
       const customModelIds = customModels
         .filter((m) => {
-          if (!m?.id || (getModelKind(m) && getModelKind(m) !== "llm")) return false;
+          if (!m?.id) return false;
+          const kind = getModelKind(m) || LLM_KIND;
+          // imageToText custom models are vision-capable chat models: expose them
+          // both in the default LLM list and in /v1/models/image-to-text.
+          if (!kindFilter.includes(kind) && !(kind === "imageToText" && kindFilter.includes(LLM_KIND))) return false;
           const alias = m.providerAlias;
           return alias === staticAlias || alias === outputAlias || alias === providerId;
         })
-        .map((m) => String(m.id).trim())
+        .map((m) => {
+          const modelId = String(m.id).trim();
+          if (modelId) customModelKindById.set(modelId, getModelKind(m) || LLM_KIND);
+          return modelId;
+        })
         .filter((modelId) => modelId !== "");
 
       const aliasModelIds = Object.values(modelAliases || {})
@@ -349,16 +359,22 @@ export async function buildModelsList(kindFilter) {
       const mergedModelIds = Array.from(new Set([...modelIds, ...customModelIds, ...aliasModelIds]));
 
       for (const modelId of mergedModelIds) {
-        // Resolve kind: prefer static metadata, otherwise infer from ID heuristics
-        const kind = staticModelKindById.get(modelId) || inferKindFromUnknownModelId(modelId);
-        if (!kindFilter.includes(kind)) continue;
+        // Resolve kind: prefer static/custom metadata, otherwise infer from ID heuristics
+        const customKind = customModelKindById.get(modelId);
+        const kind = staticModelKindById.get(modelId) || customKind || inferKindFromUnknownModelId(modelId);
+        // imageToText custom models stay in the LLM list (vision-capable chat models)
+        const allowAsLlm = kind === "imageToText" && kindFilter.includes(LLM_KIND);
+        if (!kindFilter.includes(kind) && !allowAsLlm) continue;
         if (isDisabled(outputAlias, modelId) || isDisabled(staticAlias, modelId)) continue;
 
-        models.push({
+        const model = {
           id: `${outputAlias}/${modelId}`,
           object: "model",
           owned_by: outputAlias,
-        });
+        };
+        const caps = capabilitiesFromServiceKind(customKind);
+        if (caps) model.capabilities = caps;
+        models.push(model);
       }
 
       // Web search/fetch — provider IS the model, expose as {alias}/search and/or {alias}/fetch with explicit kind

src/shared/components/ModelSelectModal.js

@@ -128,7 +128,10 @@ export default function ModelSelectModal({
 
     // Filter a models[] array by kindFilter (keep only matching kind)
     const filterByKind = (models) => {
-      if (!kindFilter) return models.filter((m) => m.isPlaceholder || !getModelKind(m) || getModelKind(m) === "llm");
+      // No kindFilter means the LLM selector. Keep custom models visible because
+      // user-added models may have typed capabilities (for example imageToText)
+      // while still being valid chat/combo targets.
+      if (!kindFilter) return models.filter((m) => m.isPlaceholder || m.isCustom || !getModelKind(m) || getModelKind(m) === "llm");
       if (!TYPED_KINDS.has(kindFilter)) return models;
       return models.filter((m) => m.isPlaceholder || getModelKind(m) === kindFilter);
     };