feat: Make recent models display and storage limit limit configurable (resolves #5533)

packages/opencode/src/cli/cmd/tui/component/dialog-model.tsx

@@ -36,10 +36,13 @@ export function DialogModel(props: { providerID?: string }) {
     const favorites = showExtra() ? local.model.favorite() : []
     const recents = local.model.recent()
 
+    const limit = sync.data.config.tui?.recent_models_count ?? 10
     const recentList = showExtra()
-      ? recents.filter(
-          (item) => !favorites.some((fav) => fav.providerID === item.providerID && fav.modelID === item.modelID),
-        )
+      ? recents
+          .filter(
+            (item) => !favorites.some((fav) => fav.providerID === item.providerID && fav.modelID === item.modelID),
+          )
+          .slice(0, limit)
       : []
 
     const favoriteOptions = favorites.flatMap((item) => {

packages/opencode/src/cli/cmd/tui/context/local.tsx

@@ -266,7 +266,8 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
           if (!next) return
           setModelStore("model", agent.current().name, { ...next })
           const uniq = uniqueBy([next, ...modelStore.recent], (x) => x.providerID + x.modelID)
-          if (uniq.length > 10) uniq.pop()
+          const limit = sync.data.config.tui?.recent_models_count ?? 10
+          if (uniq.length > limit) uniq.pop()
           setModelStore("recent", uniq)
           save()
         },
@@ -283,7 +284,8 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
             setModelStore("model", agent.current().name, model)
             if (options?.recent) {
               const uniq = uniqueBy([model, ...modelStore.recent], (x) => x.providerID + x.modelID)
-              if (uniq.length > 10) uniq.pop()
+              const limit = sync.data.config.tui?.recent_models_count ?? 10
+              if (uniq.length > limit) uniq.pop()
               setModelStore("recent", uniq)
               save()
             }

packages/opencode/src/config/config.ts

@@ -597,7 +597,16 @@ export namespace Config {
       .enum(["auto", "stacked"])
       .optional()
       .describe("Control diff rendering style: 'auto' adapts to terminal width, 'stacked' always shows single column"),
+    recent_models_count: z
+      .number()
+      .int()
+      .min(1)
+      .max(50)
+      .optional()
+      .default(10)
+      .describe("Number of recent models to store and display in model selection"),
   })
+  export type TUI = z.infer<typeof TUI>
 
   export const Server = z
     .object({

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -1433,6 +1433,10 @@ export type Config = {
      * Control diff rendering style: 'auto' adapts to terminal width, 'stacked' always shows single column
      */
     diff_style?: "auto" | "stacked"
+    /**
+     * Number of recent models to store and display in model selection
+     */
+    recent_models_count?: number
   }
   server?: ServerConfig
   /**