Clarify model names in selector

packages/app/src/components/combined-model-selector.tsx

@@ -63,8 +63,6 @@ import {
   type ProviderSelectorProvider,
 } from "@/provider-selection/provider-selection";
 
-// TODO: this should be configured per provider in the provider manifest
-const PROVIDERS_WITH_MODEL_DESCRIPTIONS = new Set(["opencode", "pi"]);
 const DESKTOP_PROVIDER_VIEW_MIN_HEIGHT = 220;
 const DESKTOP_PROVIDER_VIEW_MAX_HEIGHT = 400;
 const DESKTOP_PROVIDER_VIEW_BASE_HEIGHT = 80;
@@ -198,12 +196,10 @@ function ModelRow({
     ],
   );
 
-  const showDescription = row.description && PROVIDERS_WITH_MODEL_DESCRIPTIONS.has(row.provider);
-
   return (
     <ComboboxItem
       label={row.modelLabel}
-      description={showDescription ? row.description : undefined}
+      description={row.description}
       selected={isSelected}
       elevated={elevated}
       onPress={onPress}

packages/app/src/provider-selection/provider-selection.test.ts

@@ -56,7 +56,7 @@ describe("combined model selector data", () => {
               providerLabel: "Codex",
               modelId: "gpt-5.4",
               modelLabel: "GPT-5.4",
-              description: undefined,
+              description: "gpt-5.4",
               isDefault: undefined,
             },
           ],

packages/app/src/provider-selection/provider-selection.ts

@@ -47,7 +47,7 @@ function buildModelRows(
     providerLabel,
     modelId: model.id,
     modelLabel: model.label,
-    description: model.description,
+    description: model.description ?? model.id,
     isDefault: model.isDefault,
   }));
 }

packages/server/src/server/agent/providers/pi/agent.test.ts

@@ -1158,6 +1158,11 @@ describe("transformPiModels", () => {
           id: "openrouter/google/gemini-2.5-flash-lite",
           label: "openrouter/google/gemini_2.5 flash lite",
         },
+        {
+          provider: "pi",
+          id: "openrouter/openai/gpt-5.5",
+          label: "openrouter/OpenAI: GPT-5.5",
+        },
       ]),
     ).toEqual([
       {
@@ -1166,6 +1171,12 @@ describe("transformPiModels", () => {
         label: "gemini 2.5 flash lite",
         description: "openrouter/google/gemini_2.5 flash lite",
       },
+      {
+        provider: "pi",
+        id: "openrouter/openai/gpt-5.5",
+        label: "GPT-5.5",
+        description: "openrouter/OpenAI: GPT-5.5",
+      },
     ]);
   });
 });

packages/server/src/server/agent/providers/pi/agent.ts

@@ -237,7 +237,13 @@ interface PiSlashCommandInvocation {
 type AutoCompactMode = boolean | "toggle" | "unknown";
 
 function normalizePiModelLabel(label: string): string {
-  return label.trim().replace(/[_\s]+/g, " ");
+  const normalizedLabel = label.trim().replace(/[_\s]+/g, " ");
+  const vendorSeparatorIndex = normalizedLabel.indexOf(": ");
+  if (vendorSeparatorIndex === -1) {
+    return normalizedLabel;
+  }
+
+  return normalizedLabel.slice(vendorSeparatorIndex + 2).trim();
 }
 
 export function transformPiModels(models: AgentModelDefinition[]): AgentModelDefinition[] {