Enhance configuration and model capabilities

src/shared/hooks/useModelCaps.js

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState, useEffect } from "react";
+import { getCapabilitiesForModel } from "open-sse/providers/capabilities.js";
 
 // Fetch model capabilities once and expose a lookup by fullModel ("provider/model") or bare model id.
 export function useModelCaps() {
@@ -32,7 +33,11 @@ export function useModelCaps() {
     if (!key) return null;
     if (byFull[key]) return byFull[key];
     const bare = key.includes("/") ? key.slice(key.indexOf("/") + 1) : key;
-    return byId[bare] || null;
+    if (byId[bare]) return byId[bare];
+    // Fallback: compute caps for dynamic models (passthrough/custom/suggested) not in static list
+    const provider = key.includes("/") ? key.slice(0, key.indexOf("/")) : null;
+    const c = getCapabilitiesForModel(provider, bare);
+    return { vision: c.vision, search: c.search, reasoning: c.reasoning };
   };
 
   return { getCaps };