diff --git a/src/renderer/src/hooks/useIpcEvents-agent-status-pane-teardown.test.ts b/src/renderer/src/hooks/useIpcEvents-agent-status-pane-teardown.test.ts
index f54ac9ade4b..b043abb4042 100644
--- a/src/renderer/src/hooks/useIpcEvents-agent-status-pane-teardown.test.ts
+++ b/src/renderer/src/hooks/useIpcEvents-agent-status-pane-teardown.test.ts
@@ -567,87 +567,4 @@ describe('useIpcEvents agent status snapshot integration', () => {
 
     expect(removeAgentStatus).not.toHaveBeenCalled()
   })
-
-  it('does not retain a Cursor spinner terminal title when the hook reports done', async () => {
-    const setAgentStatus = vi.fn()
-    const onSetListenerRef: { current: ((data: AgentStatusSetData) => void) | null } = {
-      current: null
-    }
-
-    const storeState: StoreLike = buildStoreState({
-      setAgentStatus,
-      workspaceSessionReady: true,
-      settings: { terminalFontSize: 13, notifications: { enabled: false } },
-      tabsByWorktree: {
-        'wt-1': [
-          {
-            id: 'tab-future',
-            ptyId: 'pty-1',
-            worktreeId: 'wt-1',
-            title: '\u2839 Cursor Agent'
-          }
-        ]
-      },
-      terminalLayoutsByTabId: {
-        'tab-future': {
-          root: { type: 'leaf', leafId: FUTURE_LEAF_ID },
-          activeLeafId: FUTURE_LEAF_ID,
-          expandedLeafId: null,
-          titlesByLeafId: { [FUTURE_LEAF_ID]: '\u2839 Cursor Agent' }
-        }
-      }
-    })
-
-    stubReactSyncEffect()
-    vi.doMock('../store', () => ({
-      useAppStore: {
-        subscribe: vi.fn(() => () => {}),
-        getState: () => storeState
-      }
-    }))
-    stubAuxiliaryModules()
-    vi.stubGlobal(
-      'window',
-      buildWindowApi({
-        onSet: (cb) => {
-          onSetListenerRef.current = cb
-          return () => {}
-        }
-      })
-    )
-
-    const { useIpcEvents } = await import('./useIpcEvents')
-
-    useIpcEvents()
-    await Promise.resolve()
-
-    if (typeof onSetListenerRef.current !== 'function') {
-      throw new Error('Expected agentStatus.onSet listener to be registered')
-    }
-
-    onSetListenerRef.current({
-      paneKey: FUTURE_PANE_KEY,
-      state: 'done',
-      prompt: 'cursor prompt',
-      agentType: 'cursor',
-      lastAssistantMessage: 'cursor completion',
-      receivedAt: 1_700_000_000_200,
-      stateStartedAt: 1_699_999_999_100
-    })
-
-    expect(setAgentStatus).toHaveBeenCalledTimes(1)
-    expect(setAgentStatus).toHaveBeenCalledWith(
-      FUTURE_PANE_KEY,
-      expect.objectContaining({
-        state: 'done',
-        prompt: 'cursor prompt',
-        agentType: 'cursor',
-        lastAssistantMessage: 'cursor completion'
-      }),
-      'Cursor ready',
-      { updatedAt: 1_700_000_000_200, stateStartedAt: 1_699_999_999_100 },
-      expectWorktreeRouting('wt-1'),
-      undefined
-    )
-  })
 })
diff --git a/src/renderer/src/hooks/useIpcEvents-agent-status-queue-ordering.test.ts b/src/renderer/src/hooks/useIpcEvents-agent-status-queue-ordering.test.ts
index 536a8d88fc2..88f199bb3a4 100644
--- a/src/renderer/src/hooks/useIpcEvents-agent-status-queue-ordering.test.ts
+++ b/src/renderer/src/hooks/useIpcEvents-agent-status-queue-ordering.test.ts
@@ -350,75 +350,6 @@ describe('useIpcEvents agent status snapshot integration', () => {
     expect(replayedAfterThrow).toContain('buffered')
   })
 
-  it('applies ready push events for an unmounted inactive terminal tab', async () => {
-    const setAgentStatus = vi.fn()
-    const onSetListenerRef: { current: ((data: AgentStatusSetData) => void) | null } = {
-      current: null
-    }
-
-    const storeState: StoreLike = buildStoreState({
-      setAgentStatus,
-      workspaceSessionReady: true,
-      settings: { terminalFontSize: 13, notifications: { enabled: false } },
-      tabsByWorktree: {
-        'wt-1': [{ id: 'tab-future', ptyId: 'pty-1', worktreeId: 'wt-1', title: 'Inactive Tab' }]
-      },
-      terminalLayoutsByTabId: {}
-    })
-
-    stubReactSyncEffect()
-    vi.doMock('../store', () => ({
-      useAppStore: {
-        subscribe: vi.fn(() => () => {}),
-        getState: () => storeState
-      }
-    }))
-    stubAuxiliaryModules()
-    vi.stubGlobal(
-      'window',
-      buildWindowApi({
-        onSet: (cb) => {
-          onSetListenerRef.current = cb
-          return () => {}
-        }
-      })
-    )
-
-    const { useIpcEvents } = await import('./useIpcEvents')
-
-    useIpcEvents()
-    await Promise.resolve()
-
-    if (typeof onSetListenerRef.current !== 'function') {
-      throw new Error('Expected agentStatus.onSet listener to be registered')
-    }
-
-    onSetListenerRef.current({
-      paneKey: FUTURE_PANE_KEY,
-      state: 'done',
-      prompt: 'inactive prompt',
-      agentType: 'codex',
-      lastAssistantMessage: 'inactive completion',
-      receivedAt: 1_700_000_000_200,
-      stateStartedAt: 1_699_999_999_100
-    })
-
-    expect(setAgentStatus).toHaveBeenCalledTimes(1)
-    expect(setAgentStatus).toHaveBeenCalledWith(
-      FUTURE_PANE_KEY,
-      expect.objectContaining({
-        state: 'done',
-        prompt: 'inactive prompt',
-        agentType: 'codex',
-        lastAssistantMessage: 'inactive completion'
-      }),
-      'Inactive Tab',
-      { updatedAt: 1_700_000_000_200, stateStartedAt: 1_699_999_999_100 },
-      expectWorktreeRouting('wt-1'),
-      undefined
-    )
-  })
-
   it('keeps a Codex permission attention row actionable', async () => {
     const setAgentStatus = vi.fn()
     const updateTabTitle = vi.fn()
diff --git a/src/renderer/src/runtime/paired-reconnect-sidebar-agent-count.test.ts b/src/renderer/src/runtime/paired-reconnect-sidebar-agent-count.test.ts
index a5f77f49b98..d6cf310c536 100644
--- a/src/renderer/src/runtime/paired-reconnect-sidebar-agent-count.test.ts
+++ b/src/renderer/src/runtime/paired-reconnect-sidebar-agent-count.test.ts
@@ -311,18 +311,6 @@ describe('STA-3107: sidebar agent rows survive a paired-client sleep/wake reconn
     expect(reconnected.rowPaneKeys.sort(), evidence).toEqual(PANES.map(mirrorPaneKey).sort())
   })
 
-  it('the erased rows are exactly the panes whose status only the client wrote', () => {
-    const store = seedPairedClientStore()
-    const reconnected = runSleepWakeReconnect(store, LONG_SLEEP_MS)
-    const missing = PANES.map(mirrorPaneKey).filter(
-      (paneKey) => !reconnected.rowPaneKeys.includes(paneKey)
-    )
-
-    // Pins the causal boundary: host-authoritative panes are republished with a
-    // fresh host timestamp and are never at risk; only client-owned panes are.
-    expect(missing).toEqual([])
-  })
-
   it('still cedes a pane this renderer never wrote status for', () => {
     const store = seedPairedClientStore()
     applyHostSnapshot(store, makeHostSnapshot({ snapshotVersion: 1, hostNow: T0 - 1_000 }), T0)
diff --git a/src/renderer/src/runtime/runtime-terminal-inspection.test.ts b/src/renderer/src/runtime/runtime-terminal-inspection.test.ts
index ded589e26b1..d1d4dcc9fed 100644
--- a/src/renderer/src/runtime/runtime-terminal-inspection.test.ts
+++ b/src/renderer/src/runtime/runtime-terminal-inspection.test.ts
@@ -688,24 +688,6 @@ describe('runtime terminal owner routing', () => {
     expect(useAppStore.getState().lastTerminalInputAtByPaneKey[PANE_KEY]).toBeUndefined()
   })
 
-  it('can record a runtime input marker from a PTY id mapping', () => {
-    useAppStore.setState({
-      settings: { experimentalAgentHibernation: true } as never,
-      terminalLayoutsByTabId: {
-        'tab-1': {
-          root: { type: 'leaf', leafId: LEAF_ID },
-          activeLeafId: LEAF_ID,
-          expandedLeafId: null,
-          ptyIdsByLeafId: { [LEAF_ID]: 'local-pty' }
-        }
-      }
-    })
-
-    recordRuntimeTerminalInputForPtyId('local-pty', 123)
-
-    expect(useAppStore.getState().lastTerminalInputAtByPaneKey[PANE_KEY]).toBe(123)
-  })
-
   it('indexes a stable layout identity once across repeated terminal input', () => {
     const layoutCount = 500
     let layoutEnumerations = 0
diff --git a/src/renderer/src/runtime/web-session-tabs-sync-agent-handoff.test.ts b/src/renderer/src/runtime/web-session-tabs-sync-agent-handoff.test.ts
index 054aa4bc60e..769e10ade52 100644
--- a/src/renderer/src/runtime/web-session-tabs-sync-agent-handoff.test.ts
+++ b/src/renderer/src/runtime/web-session-tabs-sync-agent-handoff.test.ts
@@ -303,45 +303,6 @@ describe('applyWebSessionTabsSnapshot', () => {
     })
   })
 
-  it('keeps stale local agent tabs when the host mirror is for a different agent', () => {
-    const staleLocalClaudeTab: TerminalTab = {
-      id: 'local-claude-tab',
-      ptyId: null,
-      worktreeId: WT,
-      title: 'Claude',
-      defaultTitle: 'Claude',
-      customTitle: null,
-      color: null,
-      sortOrder: 0,
-      createdAt: NOW,
-      launchAgent: 'claude'
-    }
-
-    const patch = applyWebSessionTabsSnapshot(
-      makeState({
-        tabsByWorktree: { [WT]: [staleLocalClaudeTab] }
-      }),
-      makeSnapshot([
-        {
-          type: 'terminal',
-          id: HOST_SURFACE_ID,
-          title: 'Codex',
-          parentTabId: 'host-tab-1',
-          leafId: LEAF_ID,
-          isActive: true,
-          launchAgent: 'codex',
-          status: 'ready',
-          terminal: 'terminal-1'
-        }
-      ]),
-      ENV,
-      NOW
-    ) as Partial<WebSessionTabsSyncState>
-
-    expect(patch.tabsByWorktree?.[WT]).toHaveLength(2)
-    expect(patch.tabsByWorktree?.[WT]?.some((tab) => tab.id === 'local-claude-tab')).toBe(true)
-  })
-
   it('resolves a canonical agent tab before its confirming snapshot arrives', () => {
     recordWebAgentSessionHandoff({
       environmentId: ENV,
diff --git a/src/renderer/src/runtime/web-session-tabs-sync-client-owned-page-content.test.ts b/src/renderer/src/runtime/web-session-tabs-sync-client-owned-page-content.test.ts
index 0afebc83522..cb867b7430b 100644
--- a/src/renderer/src/runtime/web-session-tabs-sync-client-owned-page-content.test.ts
+++ b/src/renderer/src/runtime/web-session-tabs-sync-client-owned-page-content.test.ts
@@ -258,24 +258,6 @@ describe('browser rows this client hosts own their page content', () => {
     expect(syncedPage(applyStaleSnapshot(state), state)?.url).toBe(GUEST_URL)
   })
 
-  it('keeps the local loading flag instead of the host create-time value', () => {
-    const state = stateWithLocalRow()
-
-    expect(syncedPage(applyStaleSnapshot(state), state)?.loading).toBe(false)
-  })
-
-  it('keeps local canGoBack instead of the host default', () => {
-    const state = stateWithLocalRow()
-
-    expect(syncedPage(applyStaleSnapshot(state), state)?.canGoBack).toBe(true)
-  })
-
-  it('keeps local canGoForward instead of the host default', () => {
-    const state = stateWithLocalRow()
-
-    expect(syncedPage(applyStaleSnapshot(state), state)?.canGoForward).toBe(true)
-  })
-
   // Why a real title is covered separately: a host that has learned the title publishes a
   // non-fallback string, which the staged-title hold would have accepted. Ownership, not staleness.
   it('keeps the local title even when the host publishes a real but older title', () => {