feat(desktop): open read-only TurkServis combo details in browser pane

apps/desktop/src/app/shell/model-catalog-menu.test.tsx

@@ -12,6 +12,7 @@ import {
   setModelVisibilityOpen,
   setVisibleModels
 } from '@/store/model-visibility'
+import { openPreview } from '@/store/preview'
 import type { LocalRuntimeJob } from '@/types/hermes'
 
 import { ModelCatalogMenu, type ModelMenuController } from './model-catalog-menu'
@@ -24,6 +25,7 @@ beforeAll(() => {
 })
 
 const getGlobalModelOptions = vi.fn()
+vi.mock('@/store/preview', () => ({ openPreview: vi.fn() }))
 
 vi.mock('@/hermes', () => ({
   getGlobalModelOptions: (...args: unknown[]) => getGlobalModelOptions(...args),
@@ -88,6 +90,22 @@ function renderMenu() {
 // the kanban board would end up disagreeing about what "my models" means —
 // which is exactly the drift extracting this component was meant to prevent.
 describe('the catalog owns model curation', () => {
+  it('opens the chosen TurkServis model details without selecting that model', async () => {
+    getGlobalModelOptions.mockResolvedValue({ providers: [{
+      models: ['Outer'], name: 'TurkServis', slug: 'turkservis', api_url: 'https://ai.turkservis.online/v1'
+    }] })
+    const select = renderMenu()
+    const trigger = await screen.findByRole('menuitem', { name: /Outer/ })
+
+    fireEvent.keyDown(trigger, { key: 'ArrowRight' })
+    fireEvent.click(await screen.findByRole('menuitem', { name: /Model \/ combo (details|ayrıntıları)/ }))
+
+    expect(openPreview).toHaveBeenCalledWith(expect.objectContaining({
+      kind: 'url', url: 'https://turkservis.online/router?model=Outer'
+    }))
+    expect(select).not.toHaveBeenCalled()
+  })
+
   it('honours the stored Edit Models shortlist', async () => {
     setVisibleModels(new Set([modelVisibilityKey('google', 'gemini-2.5-flash')]))
 

apps/desktop/src/app/shell/model-catalog-menu.tsx

@@ -25,6 +25,7 @@ import { modelOptionsQueryKey, requestModelOptions } from '@/lib/model-options'
 import { displayModelName, modelDisplayParts } from '@/lib/model-status-label'
 import { DEFAULT_REASONING_EFFORT, reasoningEffortLabel } from '@/lib/reasoning-effort'
 import { normalize } from '@/lib/text'
+import { turkservisComboDetailsUrl } from '@/lib/turkservis-combo-details'
 import { useStoreSelector } from '@/lib/use-session-slice'
 import { cn } from '@/lib/utils'
 import { $localModelsEnabled } from '@/store/local-models-flag'
@@ -38,6 +39,7 @@ import {
   modelVisibilityKey,
   setModelVisibilityOpen
 } from '@/store/model-visibility'
+import { openPreview } from '@/store/preview'
 import { $collapsedProviders, toggleCollapsedProvider } from '@/store/provider-collapse'
 import { $defaultReasoningEffort } from '@/store/session'
 import type { LocalModelLoadProgress, ModelOptionProvider, ModelOptionsResponse } from '@/types/hermes'
@@ -588,6 +590,12 @@ export function ModelCatalogMenu({
                           fastControl={fastControl}
                           isActive={isCurrent}
                           model={family.id}
+                          onOpenDetails={turkservisComboDetailsUrl(group.provider.api_url, family.id) ? () => {
+                            const url = turkservisComboDetailsUrl(group.provider.api_url, family.id)!
+
+                            closeMenu()
+                            openPreview({ kind: 'url', label: t.shell.modelOptions.comboDetails, source: url, url })
+                          } : undefined}
                           onSelectModel={nextModel => controller.select(nextModel, group.provider.slug)}
                           onSetOptions={patch =>
                             controller.setOptions(patch, {

apps/desktop/src/app/shell/model-edit-submenu.test.tsx

@@ -29,6 +29,7 @@ function renderSubmenu(opts: {
   fastControl: FastControl
   isActive?: boolean
   onSelectModel?: (model: string) => void
+  onOpenDetails?: () => void
   onSetOptions: (patch: { effort?: string; fast?: boolean }) => void
   reasoning: boolean
 }) {
@@ -43,6 +44,7 @@ function renderSubmenu(opts: {
             fastControl={opts.fastControl}
             isActive={opts.isActive ?? true}
             model="m1"
+            onOpenDetails={opts.onOpenDetails}
             onSelectModel={opts.onSelectModel ?? vi.fn()}
             onSetOptions={opts.onSetOptions}
             provider="p1"
@@ -60,6 +62,19 @@ function renderSubmenu(opts: {
 // ever writes directly again, picking an effort for a kanban card would reach
 // over and change the user's live chat.
 describe('ModelEditSubmenu reports edits without performing them', () => {
+  it('opens read-only details without selecting a model or changing its options', () => {
+    const onOpenDetails = vi.fn()
+    const onSelectModel = vi.fn()
+    const onSetOptions = vi.fn()
+
+    renderSubmenu({ fastControl: { kind: 'none' }, reasoning: false, onOpenDetails, onSelectModel, onSetOptions })
+    fireEvent.click(screen.getByRole('menuitem', { name: /Model \/ combo (details|ayrıntıları)/ }))
+
+    expect(onOpenDetails).toHaveBeenCalledOnce()
+    expect(onSelectModel).not.toHaveBeenCalled()
+    expect(onSetOptions).not.toHaveBeenCalled()
+  })
+
   it('param fast: reports the toggle', () => {
     const onSetOptions = vi.fn()
     renderSubmenu({ fastControl: { kind: 'param', on: true }, onSetOptions, reasoning: false })

apps/desktop/src/app/shell/model-edit-submenu.tsx

@@ -75,6 +75,8 @@ interface ModelEditSubmenuProps {
   isActive: boolean
   /** This row's model id. */
   model: string
+  /** Read-only details; the owner handles opening without changing selection. */
+  onOpenDetails?: () => void
   /** Switch to a specific model id (used to swap base ⇄ -fast variant). */
   onSelectModel: (model: string) => Promise<boolean | void> | void
   /** Report an option change. This submenu is PURE: it never writes to a
@@ -107,6 +109,7 @@ function ModelEditSubmenuBody({
   effort,
   fastControl,
   isActive,
+  onOpenDetails,
   onSelectModel,
   onSetOptions,
   reasoning
@@ -140,11 +143,19 @@ function ModelEditSubmenuBody({
   const hasFast = fastControl.kind !== 'none'
   const fastOn = fastControl.kind === 'none' ? false : fastControl.on
 
-  return !hasFast && !reasoning ? (
+  return !hasFast && !reasoning && !onOpenDetails ? (
     <div className="px-2.5 py-3 text-xs text-(--ui-text-tertiary)">{copy.noOptions}</div>
   ) : (
     <>
-      <DropdownMenuLabel className={dropdownMenuSectionLabel}>{copy.options}</DropdownMenuLabel>
+      {onOpenDetails ? (
+        <>
+          <DropdownMenuItem className={dropdownMenuRow} onSelect={onOpenDetails}>
+            {copy.comboDetails}
+          </DropdownMenuItem>
+          {hasFast || reasoning ? <DropdownMenuSeparator className="mx-0" /> : null}
+        </>
+      ) : null}
+      {hasFast || reasoning ? <DropdownMenuLabel className={dropdownMenuSectionLabel}>{copy.options}</DropdownMenuLabel> : null}
       {showThinkingToggle ? (
         <DropdownMenuItem className={dropdownMenuRow} onSelect={event => event.preventDefault()}>
           {copy.thinking}