From 62ac73cdd79bee708d50b17a2dde8c23e0b66f1e Mon Sep 17 00:00:00 2001
From: morluto <76467478+morluto@users.noreply.github.com>
Date: Fri, 24 Jul 2026 03:55:08 +0000
Subject: [PATCH] fix(process): expose launcher identity mismatch

---
 src/process/ProcessOwnership.ts | 4 ++--
 tests/processOwnership.test.ts  | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/process/ProcessOwnership.ts b/src/process/ProcessOwnership.ts
index bdaff58b4d..0f501234af 100644
--- a/src/process/ProcessOwnership.ts
+++ b/src/process/ProcessOwnership.ts
@@ -322,7 +322,7 @@ const launcherIdentityFailure = (
     ownership.expectedCommand !== undefined &&
     !matchesOwnedProcessCommand(launcher.command, ownership.expectedCommand)
   )
-    return "owned launcher command identity did not match";
+    return `owned launcher command identity did not match (observed=${launcher.command}; expected=${ownership.expectedCommand})`;
   return null;
 };
 
@@ -477,7 +477,7 @@ export const observeOwnedProcessLineage = async (
   )
     return unavailableLineage(
       ownership,
-      "owned launcher command identity did not match",
+      `owned launcher command identity did not match (observed=${launcher.command}; expected=${ownership.expectedCommand})`,
     );
   const descendants = descendantsOf(launcher.pid, processes);
   for (const member of [launcher, ...descendants]) {
diff --git a/tests/processOwnership.test.ts b/tests/processOwnership.test.ts
index d3bf6d6558..6cca3295da 100644
--- a/tests/processOwnership.test.ts
+++ b/tests/processOwnership.test.ts
@@ -522,7 +522,8 @@ describe("owned process-group cleanup", () => {
       ),
     ).toEqual({
       cleaned: false,
-      reason: "owned launcher command identity did not match",
+      reason:
+        "owned launcher command identity did not match (observed=fixture; expected=/owned/hopper)",
     });
     expect(signalGroup).not.toHaveBeenCalled();
   });