diff --git a/src/renderer/src/components/automations/automation-host-catalog-source.ts b/src/renderer/src/components/automations/automation-host-catalog-source.ts
index 670fe4b175c..7092bbb9545 100644
--- a/src/renderer/src/components/automations/automation-host-catalog-source.ts
+++ b/src/renderer/src/components/automations/automation-host-catalog-source.ts
@@ -43,6 +43,8 @@ export type AutomationHostCatalogSource = {
   desktopLabel?: string
   desktopSsh: AutomationCatalogSshSource
   runtimes: readonly AutomationCatalogRuntimeSource[]
+  /** The saved runtime this client's local transport reaches, when it has no runtime of its own. */
+  desktopAliasEnvironmentId?: string | null
   runtimeCatalogSettled: boolean
   referencedStableKeys?: Iterable<string>
   /** Authoritative orphan counts the cache has seen, keyed by authority catalog key. */
@@ -143,6 +145,9 @@ export function buildAutomationHostCatalogSource(
         ...withOrphanCount(orphanCountFor(source, authority))
       }
     }),
+    ...(source.desktopAliasEnvironmentId
+      ? { desktopAliasEnvironmentId: source.desktopAliasEnvironmentId }
+      : {}),
     runtimeCatalogSettled: source.runtimeCatalogSettled,
     ...(source.referencedStableKeys ? { referencedStableKeys: source.referencedStableKeys } : {})
   }
diff --git a/src/renderer/src/components/automations/automation-host-catalog-types.ts b/src/renderer/src/components/automations/automation-host-catalog-types.ts
index 4aa37d0617c..bf639dc956d 100644
--- a/src/renderer/src/components/automations/automation-host-catalog-types.ts
+++ b/src/renderer/src/components/automations/automation-host-catalog-types.ts
@@ -108,6 +108,11 @@ export type AutomationHostCatalogInput = {
   desktop: AutomationDesktopAuthorityInput
   /** Saved runtime environments — projected even while offline. */
   runtimes: readonly AutomationRuntimeAuthorityInput[]
+  /**
+   * The saved runtime that *is* the desktop authority: a paired web client's local
+   * transport is its server's, so projecting both would list every record twice.
+   */
+  desktopAliasEnvironmentId?: string
   /** Gates Runtime+Self absence; a failed catalog read settles without hydrating. */
   runtimeCatalogSettled: boolean
   /** Stable keys still referenced by a stored automation, cached row, persisted filter, or tombstone. */
diff --git a/src/renderer/src/components/automations/automation-host-catalog.test.ts b/src/renderer/src/components/automations/automation-host-catalog.test.ts
index 2eae8530b02..57aa11f8ac7 100644
--- a/src/renderer/src/components/automations/automation-host-catalog.test.ts
+++ b/src/renderer/src/components/automations/automation-host-catalog.test.ts
@@ -95,6 +95,18 @@ describe('buildAutomationHostCatalog', () => {
     expect(self.owner).toEqual({ authority: { kind: 'desktop' }, selector: { kind: 'self' } })
   })
 
+  it('folds Desktop into its alias runtime and waits on that runtime for SSH hydration', () => {
+    const catalog = buildAutomationHostCatalog(
+      buildInput({
+        desktopAliasEnvironmentId: 'env-1',
+        runtimes: [runtime({ ssh: mirror({ targetsHydrated: false }) })]
+      })
+    )
+
+    expect(catalog.entries.map((entry) => entry.stableKey)).toEqual([runtimeSelfKey('env-1')])
+    expect(catalog.hydration.desktopSshHydrated).toBe(false)
+  })
+
   it('keeps equal SSH target ids under Desktop and a runtime distinct', () => {
     const catalog = buildAutomationHostCatalog(
       buildInput({
diff --git a/src/renderer/src/components/automations/automation-host-catalog.ts b/src/renderer/src/components/automations/automation-host-catalog.ts
index 94892971bb1..5f29e6afec6 100644
--- a/src/renderer/src/components/automations/automation-host-catalog.ts
+++ b/src/renderer/src/components/automations/automation-host-catalog.ts
@@ -248,17 +248,23 @@ export function buildAutomationHostCatalog(
 ): AutomationHostCatalog {
   const referenced = groupReferencedKeys(input.referencedStableKeys)
   const desktopAuthority: StableAutomationAuthorityRef = { kind: 'desktop' }
+  // Only a saved runtime can absorb the desktop authority; an unknown id leaves it projected.
+  const desktopAlias = input.runtimes.find(
+    (runtime) => runtime.environmentId === input.desktopAliasEnvironmentId
+  )
+  const desktopAliasEnvironmentId = desktopAlias?.environmentId
+  const desktopContext: AuthorityProjectionContext = {
+    authority: desktopAuthority,
+    authorityLabel: input.desktop.label,
+    authorityHealth: input.desktop.authorityHealth ?? 'fresh',
+    querySupport: 'scoped',
+    pairingRevision: null,
+    ssh: input.desktop.ssh,
+    referenced: referenced.get(automationAuthorityCatalogKey(desktopAuthority)) ?? EMPTY_SCOPE,
+    orphanCount: input.desktop.orphanCount
+  }
   const contexts: AuthorityProjectionContext[] = [
-    {
-      authority: desktopAuthority,
-      authorityLabel: input.desktop.label,
-      authorityHealth: input.desktop.authorityHealth ?? 'fresh',
-      querySupport: 'scoped',
-      pairingRevision: null,
-      ssh: input.desktop.ssh,
-      referenced: referenced.get(automationAuthorityCatalogKey(desktopAuthority)) ?? EMPTY_SCOPE,
-      orphanCount: input.desktop.orphanCount
-    },
+    ...(desktopAliasEnvironmentId === undefined ? [desktopContext] : []),
     ...input.runtimes.map((runtime): AuthorityProjectionContext => {
       const authority: StableAutomationAuthorityRef = {
         kind: 'runtime',
@@ -283,7 +289,8 @@ export function buildAutomationHostCatalog(
     byStableKey,
     hydration: {
       runtimeCatalogSettled: input.runtimeCatalogSettled,
-      desktopSshHydrated: input.desktop.ssh.targetsHydrated,
+      // A folded desktop's SSH targets are the runtime it folded into.
+      desktopSshHydrated: (desktopAlias?.ssh ?? input.desktop.ssh).targetsHydrated,
       runtimeSshHydratedByEnvironmentId: new Map(
         input.runtimes.map((runtime) => [runtime.environmentId, runtime.ssh.targetsHydrated])
       ),
diff --git a/src/renderer/src/components/automations/automation-host-client.test.ts b/src/renderer/src/components/automations/automation-host-client.test.ts
index d2da4c40b01..5ba10763dce 100644
--- a/src/renderer/src/components/automations/automation-host-client.test.ts
+++ b/src/renderer/src/components/automations/automation-host-client.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, it, vi, beforeEach } from 'vitest'
 import type { Automation, AutomationCreateInput } from '../../../../shared/automations-types'
 import {
+  getAutomationListedTargetFromHostId,
   listAutomationRunsForTarget,
   listAutomationsForTarget,
   runAutomationNowForTarget,
@@ -192,3 +193,26 @@ describe('automation host client', () => {
     )
   })
 })
+
+describe('getAutomationListedTargetFromHostId', () => {
+  const state = { runtimeEnvironments: [{ id: 'env-1' }] }
+
+  // #32415: a web run link names 'local', but the catalog lists the server only as its runtime.
+  it('lists a paired web client local and SSH hosts under its server', () => {
+    Object.assign(globalThis, { __ORCA_WEB_CLIENT__: true })
+    try {
+      for (const hostId of ['local', 'ssh:box', undefined]) {
+        expect(getAutomationListedTargetFromHostId(hostId, state)).toEqual({
+          kind: 'environment',
+          environmentId: 'env-1'
+        })
+      }
+    } finally {
+      Reflect.deleteProperty(globalThis, '__ORCA_WEB_CLIENT__')
+    }
+  })
+
+  it('keeps Desktop hosts local in the desktop app', () => {
+    expect(getAutomationListedTargetFromHostId('local', state)).toEqual({ kind: 'local' })
+  })
+})
diff --git a/src/renderer/src/components/automations/automation-host-client.ts b/src/renderer/src/components/automations/automation-host-client.ts
index 7d2a85e3dab..20120f45a0e 100644
--- a/src/renderer/src/components/automations/automation-host-client.ts
+++ b/src/renderer/src/components/automations/automation-host-client.ts
@@ -1,4 +1,5 @@
 import { callRuntimeRpc } from '@/runtime/runtime-rpc-client'
+import { getPairedWebClientEnvironmentId } from '@/lib/paired-web-client-host'
 import { assertEnvironmentSupportsExtraAgentArgs } from './automation-capability-probe'
 import type {
   Automation,
@@ -51,6 +52,19 @@ export function getAutomationTargetFromHostId(
     : { kind: 'local' }
 }
 
+/**
+ * The authority a host id is listed under on this client. A paired web client's local and SSH
+ * hosts are its server's, which the catalog lists only as that runtime.
+ */
+export function getAutomationListedTargetFromHostId(
+  hostId: string | null | undefined,
+  state: { runtimeEnvironments?: readonly { id: string }[] }
+): AutomationHostTarget {
+  const target = getAutomationTargetFromHostId(hostId)
+  const environmentId = target.kind === 'local' ? getPairedWebClientEnvironmentId(state) : null
+  return environmentId ? { kind: 'environment', environmentId } : target
+}
+
 export function getAutomationAuthorityTarget(
   authority: StableAutomationAuthorityRef
 ): AutomationHostTarget {
diff --git a/src/renderer/src/components/automations/automation-host-filter-resolution.ts b/src/renderer/src/components/automations/automation-host-filter-resolution.ts
index 15350cb00b7..d0af7b3795f 100644
--- a/src/renderer/src/components/automations/automation-host-filter-resolution.ts
+++ b/src/renderer/src/components/automations/automation-host-filter-resolution.ts
@@ -49,6 +49,36 @@ export type AutomationHostFilterResolutionInput = {
   referencedStableKeys?: ReadonlySet<string>
 }
 
+/**
+ * A selection saved under a desktop authority that is really a saved runtime names that
+ * runtime's host: same machine, same targets, so it moves rather than being dropped.
+ */
+export function foldDesktopHostFilter(
+  filter: AutomationHostFilter,
+  desktopAliasEnvironmentId: string | null | undefined
+): AutomationHostFilter {
+  if (
+    filter.kind !== 'host' ||
+    filter.host.authority.kind !== 'desktop' ||
+    !desktopAliasEnvironmentId
+  ) {
+    return filter
+  }
+  const authority = { kind: 'runtime', environmentId: desktopAliasEnvironmentId } as const
+  // Rebuilt per variant: a spread selector widens `kind` and no longer discriminates.
+  switch (filter.host.selector.kind) {
+    case 'ssh':
+      return {
+        kind: 'host',
+        host: { authority, selector: { kind: 'ssh', targetId: filter.host.selector.targetId } }
+      }
+    case 'orphan':
+      return { kind: 'host', host: { authority, selector: { kind: 'orphan' } } }
+    case 'self':
+      return { kind: 'host', host: { authority, selector: { kind: 'self' } } }
+  }
+}
+
 const ALL_RESOLUTION: AutomationHostFilterResolution = {
   effective: ALL_AUTOMATION_HOSTS_FILTER,
   entry: null,
diff --git a/src/renderer/src/components/automations/use-automation-host-catalog-source-state.ts b/src/renderer/src/components/automations/use-automation-host-catalog-source-state.ts
index 21cbd45a4db..baa136af9b2 100644
--- a/src/renderer/src/components/automations/use-automation-host-catalog-source-state.ts
+++ b/src/renderer/src/components/automations/use-automation-host-catalog-source-state.ts
@@ -1,5 +1,6 @@
 import { useMemo } from 'react'
 import { useAppStore } from '@/store'
+import { getPairedWebClientEnvironmentId } from '@/lib/paired-web-client-host'
 import type { PublicKnownRuntimeEnvironment } from '../../../../shared/runtime-environments'
 import type {
   AutomationCatalogRuntimeSource,
@@ -23,7 +24,7 @@ type AutomationHostCatalogSourceStateInput = {
 
 export type AutomationHostCatalogSourceState = Pick<
   AutomationHostCatalogSource,
-  'desktopSsh' | 'runtimes' | 'runtimeCatalogSettled'
+  'desktopSsh' | 'runtimes' | 'desktopAliasEnvironmentId' | 'runtimeCatalogSettled'
 >
 
 export function useAutomationHostCatalogSourceState({
@@ -81,9 +82,12 @@ export function useAutomationHostCatalogSourceState({
     [runtimeEnvironments, runtimeStatusByEnvironmentId, sshStateByEnvironment]
   )
 
+  // A web client's local calls are its paired server's, so Desktop and that runtime are one authority.
+  const desktopAliasEnvironmentId = getPairedWebClientEnvironmentId({ runtimeEnvironments })
+
   // Memoized: consumers key whole-catalog rebuilds on this object's identity.
   return useMemo(
-    () => ({ desktopSsh, runtimes, runtimeCatalogSettled }),
-    [desktopSsh, runtimes, runtimeCatalogSettled]
+    () => ({ desktopSsh, runtimes, desktopAliasEnvironmentId, runtimeCatalogSettled }),
+    [desktopSsh, runtimes, desktopAliasEnvironmentId, runtimeCatalogSettled]
   )
 }
diff --git a/src/renderer/src/components/automations/use-automation-host-catalog.test.tsx b/src/renderer/src/components/automations/use-automation-host-catalog.test.tsx
index 74b59a4184e..de708605e4c 100644
--- a/src/renderer/src/components/automations/use-automation-host-catalog.test.tsx
+++ b/src/renderer/src/components/automations/use-automation-host-catalog.test.tsx
@@ -114,6 +114,10 @@ function Harness(): null {
 
 async function renderCatalog(repos: readonly Repo[]): Promise<void> {
   mocks.state = storeState(repos)
+  await renderCatalogWithState()
+}
+
+async function renderCatalogWithState(): Promise<void> {
   const container = document.createElement('div')
   document.body.appendChild(container)
   const root = createRoot(container)
@@ -163,6 +167,7 @@ afterEach(async () => {
   await act(async () => {
     roots.splice(0).forEach((root) => root.unmount())
   })
+  Reflect.deleteProperty(globalThis, '__ORCA_WEB_CLIENT__')
   document.body.innerHTML = ''
 })
 
@@ -178,6 +183,46 @@ describe('useAutomationHostCatalog orphan bootstrap', () => {
   })
 })
 
+describe('useAutomationHostCatalog on a paired web client', () => {
+  const runtimeSelf = {
+    authority: { kind: 'runtime', environmentId: ENVIRONMENT_ID },
+    selector: { kind: 'self' }
+  }
+
+  beforeEach(() => {
+    Object.assign(globalThis, { __ORCA_WEB_CLIENT__: true })
+  })
+
+  // #32415: the browser's local transport is its server's, so Desktop listed the same records again.
+  it('lists the paired server once instead of again as Desktop', async () => {
+    await renderCatalog([repo({ id: PROJECT_ID, executionHostId: `runtime:${ENVIRONMENT_ID}` })])
+
+    expect(view?.catalog.entries.map((entry) => entry.stableRef)).toEqual([runtimeSelf])
+    expect(view?.rows.groups.flatMap((group) => group.hosts.flatMap((host) => host.rows))).toEqual([
+      expect.objectContaining({ automation: expect.objectContaining({ id: 'a-legacy' }) })
+    ])
+    expect(desktopListScoped).not.toHaveBeenCalled()
+  })
+
+  it('moves a saved Desktop filter to the server instead of waiting forever for Desktop', async () => {
+    mocks.state = {
+      ...storeState([]),
+      automationHostFilter: {
+        kind: 'host',
+        host: { authority: { kind: 'desktop' }, selector: { kind: 'self' } }
+      }
+    }
+
+    await renderCatalogWithState()
+
+    expect(view?.resolution).toMatchObject({
+      status: 'ready',
+      announceFallback: false,
+      effective: { kind: 'host', host: runtimeSelf }
+    })
+  })
+})
+
 describe('useAutomationHostCatalog legacy partitioning', () => {
   it('does not let a same-id desktop project claim an old runtime record for Self', async () => {
     await renderCatalog([repo({ id: PROJECT_ID })])
diff --git a/src/renderer/src/components/automations/use-automation-host-catalog.ts b/src/renderer/src/components/automations/use-automation-host-catalog.ts
index e40a4393e20..f67ba085855 100644
--- a/src/renderer/src/components/automations/use-automation-host-catalog.ts
+++ b/src/renderer/src/components/automations/use-automation-host-catalog.ts
@@ -24,6 +24,7 @@ import type {
 } from './automation-host-catalog-types'
 import { automationHostFilterStableKey } from '../../../../shared/automation-host-filter'
 import {
+  foldDesktopHostFilter,
   resolveAutomationHostFilter,
   type AutomationHostFilterResolution
 } from './automation-host-filter-resolution'
@@ -146,7 +147,11 @@ export function useAutomationHostCatalog(
     desktopSshGenerations,
     runtimeEnvironments
   })
-  const selectedStableKey = automationHostFilterStableKey(automationHostFilter)
+  const hostFilter = useMemo(
+    () => foldDesktopHostFilter(automationHostFilter, sourceState.desktopAliasEnvironmentId),
+    [automationHostFilter, sourceState.desktopAliasEnvironmentId]
+  )
+  const selectedStableKey = automationHostFilterStableKey(hostFilter)
   // The saved selection references itself: without this the catalog would omit a
   // removed host the user is still filtered to, and absence would read as removal.
   const referencedStableKeys = useMemo(
@@ -206,7 +211,7 @@ export function useAutomationHostCatalog(
   const resolution = useMemo(
     () =>
       resolveAutomationHostFilter({
-        filter: automationHostFilter,
+        filter: hostFilter,
         catalog,
         // Deliberately not `referencedStableKeys`: that set includes the saved
         // selection so the catalog still projects it, and a selection that
@@ -219,7 +224,7 @@ export function useAutomationHostCatalog(
         ])
       }),
     // oxlint-disable-next-line react-hooks/exhaustive-deps -- cacheVersion is the cache's change signal; the cache object itself never changes identity.
-    [automationHostFilter, cacheVersion, catalog, controller, options.referencedStableKeys]
+    [cacheVersion, catalog, controller, hostFilter, options.referencedStableKeys]
   )
   const rows = useMemo(
     () =>
diff --git a/src/renderer/src/components/automations/use-automation-run-page-state.ts b/src/renderer/src/components/automations/use-automation-run-page-state.ts
index ba15e245314..56cc41b9757 100644
--- a/src/renderer/src/components/automations/use-automation-run-page-state.ts
+++ b/src/renderer/src/components/automations/use-automation-run-page-state.ts
@@ -4,7 +4,7 @@ import { translate } from '@/i18n/i18n'
 import {
   getAutomationAuthorityTarget,
   getAutomationHostTargetKey,
-  getAutomationTargetFromHostId
+  getAutomationListedTargetFromHostId
 } from './automation-host-client'
 import { ALL_AUTOMATION_HOSTS_FILTER } from '../../../../shared/automation-host-filter'
 import { useAppStore } from '@/store'
@@ -37,6 +37,7 @@ export function useAutomationRunPageState({
     worktreeForRow,
     pendingAutomationRunNavigation,
     setPendingAutomationRunNavigation,
+    runtimeEnvironments,
     selectedId,
     setSelectedId,
     unifiedTabsByWorktree,
@@ -109,7 +110,7 @@ export function useAutomationRunPageState({
       return
     }
     const pendingTargetKey = getAutomationHostTargetKey(
-      getAutomationTargetFromHostId(pending.hostId)
+      getAutomationListedTargetFromHostId(pending.hostId, { runtimeEnvironments })
     )
     if (automationHostTargetKey !== pendingTargetKey) {
       return
@@ -202,6 +203,7 @@ export function useAutomationRunPageState({
     visibleRows,
     pendingAutomationRunNavigation,
     pageView,
+    runtimeEnvironments,
     selectExternalKey,
     selectedExternalKey,
     selectedId,
diff --git a/src/renderer/src/components/automations/use-automations-page-refresh.ts b/src/renderer/src/components/automations/use-automations-page-refresh.ts
index 5bc1d6346a2..ea5b1b48a43 100644
--- a/src/renderer/src/components/automations/use-automations-page-refresh.ts
+++ b/src/renderer/src/components/automations/use-automations-page-refresh.ts
@@ -4,7 +4,7 @@ import { useAppStore } from '@/store'
 import { AUTOMATIONS_CHANGED_EVENT } from '@/lib/automations-changed-window-event'
 import {
   getAutomationHostTargetKey,
-  getAutomationTargetFromHostId,
+  getAutomationListedTargetFromHostId,
   listAutomationsForTarget
 } from './automation-host-client'
 import { automationAuthorityCatalogKey } from './automation-host-catalog-types'
@@ -26,8 +26,12 @@ export function useAutomationsPageRefresh({
   list: AutomationsPageListState
   destination: AutomationsPageDestinationState
 }) {
-  const { fetchAllWorktrees, startupWorktreeRefreshCompleted, pendingAutomationRunNavigation } =
-    store
+  const {
+    fetchAllWorktrees,
+    startupWorktreeRefreshCompleted,
+    pendingAutomationRunNavigation,
+    runtimeEnvironments
+  } = store
   const {
     setIsLoading,
     setAutomations,
@@ -50,7 +54,7 @@ export function useAutomationsPageRefresh({
       // Until a navigation names a host, the desktop is the only authority the
       // legacy unscoped arm can address without guessing.
       const target = pendingNavigation
-        ? getAutomationTargetFromHostId(pendingNavigation.hostId)
+        ? getAutomationListedTargetFromHostId(pendingNavigation.hostId, useAppStore.getState())
         : { kind: 'local' as const }
       const authorityKey = automationAuthorityCatalogKey(
         target.kind === 'environment'
@@ -117,12 +121,20 @@ export function useAutomationsPageRefresh({
       return
     }
     const pendingTargetKey = getAutomationHostTargetKey(
-      getAutomationTargetFromHostId(pendingAutomationRunNavigation.hostId)
+      getAutomationListedTargetFromHostId(pendingAutomationRunNavigation.hostId, {
+        runtimeEnvironments
+      })
     )
     if (automationHostTargetKey !== pendingTargetKey) {
       void refresh()
     }
-  }, [automationHostTargetKey, isLoading, pendingAutomationRunNavigation, refresh])
+  }, [
+    automationHostTargetKey,
+    isLoading,
+    pendingAutomationRunNavigation,
+    refresh,
+    runtimeEnvironments
+  ])
   useEffect(() => {
     for (const [workspaceId, worktree] of store.worktreeMap) {
       const displayName = worktree.displayName.trim()