From e525f3fe15e29daa31fed9f7fc9d64da94ff10f5 Mon Sep 17 00:00:00 2001
From: Brennan Benson <79079362+brennanb2025@users.noreply.github.com>
Date: Thu, 13 Aug 2026 11:43:48 -0700
Subject: [PATCH] fix(mobile): stop republishing stale launch agent identity
 (#14244)

---
 ...le-agent-status-title-truthfulness.test.ts | 55 +++++++++++++++++++
 src/main/runtime/orca-runtime.test.ts         |  6 +-
 src/main/runtime/orca-runtime.ts              |  6 +-
 3 files changed, 62 insertions(+), 5 deletions(-)

diff --git a/src/main/runtime/orca-runtime-mobile-agent-status-title-truthfulness.test.ts b/src/main/runtime/orca-runtime-mobile-agent-status-title-truthfulness.test.ts
index 8a4fae0dfac..7d19f23db22 100644
--- a/src/main/runtime/orca-runtime-mobile-agent-status-title-truthfulness.test.ts
+++ b/src/main/runtime/orca-runtime-mobile-agent-status-title-truthfulness.test.ts
@@ -113,6 +113,52 @@ function publishRendererWorkingPane(runtime: OrcaRuntimeService, paneTitle: stri
   })
 }
 
+function publishRendererReleasedPane(runtime: OrcaRuntimeService, title: string): void {
+  runtime.attachWindow(1)
+  runtime.syncWindowGraph(1, {
+    tabs: [
+      {
+        tabId: TAB_ID,
+        worktreeId: WORKTREE_ID,
+        title,
+        activeLeafId: LEAF_ID,
+        layout: null
+      }
+    ],
+    leaves: [
+      {
+        tabId: TAB_ID,
+        worktreeId: WORKTREE_ID,
+        leafId: LEAF_ID,
+        paneRuntimeId: 1,
+        ptyId: PTY_ID,
+        paneTitle: 'zsh'
+      }
+    ],
+    mobileSessionTabs: [
+      {
+        worktree: WORKTREE_ID,
+        publicationEpoch: 'epoch-released',
+        snapshotVersion: 1,
+        activeGroupId: null,
+        activeTabId: `${TAB_ID}::${LEAF_ID}`,
+        activeTabType: 'terminal',
+        tabs: [
+          {
+            type: 'terminal',
+            id: `${TAB_ID}::${LEAF_ID}`,
+            parentTabId: TAB_ID,
+            leafId: LEAF_ID,
+            ptyId: PTY_ID,
+            title,
+            isActive: true
+          }
+        ]
+      }
+    ]
+  })
+}
+
 async function projectAgentStatus(
   runtime: OrcaRuntimeService
 ): Promise<Record<string, unknown> | undefined> {
@@ -124,6 +170,15 @@ async function projectAgentStatus(
 }
 
 describe('mobile session tabs: live-title evidence vs published agent status', () => {
+  it('does not resurrect launch identity after the renderer clears it', async () => {
+    const runtime = await createRuntime()
+    publishRendererReleasedPane(runtime, '[Image #1] Inspect this')
+
+    const result = await runtime.listMobileSessionTabs(`id:${WORKTREE_ID}`)
+    expect(result.tabs[0]).toEqual(expect.objectContaining({ type: 'terminal' }))
+    expect(result.tabs[0]).not.toHaveProperty('launchAgent')
+  })
+
   it('keeps renderer-published working under a neutral live title', async () => {
     const runtime = await createRuntime()
     publishRendererWorkingPane(runtime, 'Terminal')
diff --git a/src/main/runtime/orca-runtime.test.ts b/src/main/runtime/orca-runtime.test.ts
index 9597ecde0b5..8b1a8fa134e 100644
--- a/src/main/runtime/orca-runtime.test.ts
+++ b/src/main/runtime/orca-runtime.test.ts
@@ -24549,7 +24549,7 @@ describe('OrcaRuntimeService', () => {
     )
   })
 
-  it('derives remote OMP owner from live PTY metadata when the tab snapshot omits it', async () => {
+  it('normalizes a remote OMP title without republishing omitted launch identity', async () => {
     const spawn = vi.fn().mockResolvedValue({ id: 'pty-omp' })
     const runtime = new OrcaRuntimeService(store)
     runtime.setPtyController({
@@ -24623,10 +24623,10 @@ describe('OrcaRuntimeService', () => {
     expect(result.tabs[0]).toEqual(
       expect.objectContaining({
         type: 'terminal',
-        title: '\u280b OMP',
-        launchAgent: 'omp'
+        title: '\u280b OMP'
       })
     )
+    expect(result.tabs[0]).not.toHaveProperty('launchAgent')
   })
 
   it('skips the foreground-process probe when the PTY launch agent is already known', async () => {
diff --git a/src/main/runtime/orca-runtime.ts b/src/main/runtime/orca-runtime.ts
index 917d8c1de40..daf9af49386 100644
--- a/src/main/runtime/orca-runtime.ts
+++ b/src/main/runtime/orca-runtime.ts
@@ -30859,11 +30859,13 @@ export class OrcaRuntimeService {
             { title: pty.lastOscTitle, updatedAt: pty.lastOscTitleAt }
           )
         : null
-      const launchAgent = tab.launchAgent ?? liveLeafPty?.launchAgent ?? pty?.launchAgent ?? null
+      // Renderer omission is authoritative: PTY launch provenance outlives agent exit.
+      const launchAgent = tab.launchAgent ?? null
+      const launchOwnerAgent = launchAgent ?? liveLeafPty?.launchAgent ?? pty?.launchAgent ?? null
       // Why: a retained OMP hook stays stable while wrapper foreground reads can report Pi.
       const ownerAgent =
         resolvePaneAgentOwner({
-          launchAgent,
+          launchAgent: launchOwnerAgent,
           hookAgent:
             tab.agentStatus?.agentType ??
             hookAgentStatus?.agentType ??