--- F11-before.normalized.txt
+++ F11-after.normalized.txt
@@ -1,6 +1,6 @@
 ROW F11 SIDE <SIDE> run=<RUN> checkout=<CHECKOUT>
 $ git -C <CHECKOUT> rev-parse HEAD
-[command stdout] 15fe2832727893cbdd2214383f9f971474849695
+[command stdout] ec84567fce5a41ff1022e7feb289351029111f35
 command wait: exit=0
 $ <NODE> --version
 [command stdout] v26.12.1
@@ -33,9 +33,15 @@
 unrelated child before CLI: pid=<PID> signal-0-alive=True poll=None
 TARGET B argv=<NODE> <CHECKOUT>/apps/server/src/bin.ts start --mode web --base-dir <RUN>/base --port <PORT> --host 127.0.0.1 --no-browser <RUN>/new-project
 SPAWN B: tracked pid=<PID> euid=1000 pidns=pid:[<PIDNS>]
-[B stderr] 
-[B stderr] ERROR
-[B stderr]   A T3 Code server is already running for <RUN>/base (pid <PID>, http://127.0.0.1:<PORT>). Connect to that server, stop it before starting another, or use a different --base-dir.
+[B stdout] [<TIME>] ERROR (#<FIBER>): ServerOwnershipError: Could not acquire server ownership of <RUN>/base/userdata.
+[B stdout]     at catch (file://<CHECKOUT>/apps/server/src/serverOwnership.ts:235:13)
+[B stdout]     at acquireServerOwnership (file://<CHECKOUT>/apps/server/src/server.ts:785:46)
+[B stdout]     at acquireServerOwnership (definition) (file://<CHECKOUT>/apps/server/src/serverOwnership.ts:200:46)
+[B stdout]     at server.runServerCommand (file://<CHECKOUT>/apps/server/src/cli/server.ts:74:34)
+[B stdout]     at server.runServerCommand (definition) (file://<CHECKOUT>/apps/server/src/cli/server.ts:23:33) {
+[B stdout]   [cause]: Error: unable to open database file
+[B stdout]       at try (file://<CHECKOUT>/apps/server/src/serverOwnership.ts:218:20)
+[B stdout] }
 TARGET B wait: exit=1
 STATE after target result; before cleanup
 R path=<RUN>/base/userdata/server-runtime.json sha256=<R-SHA256>
@@ -43,7 +49,7 @@
 {"version":1,"pid":<PID>,"port":<PORT>,"origin":"http://127.0.0.1:<PORT>","startedAt":"<TIMESTAMP>","ownerId":"<UUID>"}
 R contents END
 L {"dev": 65024, "exists": true, "gid": 1000, "inode": <INODE>, "mode": "0o0", "path": "<RUN>/base/userdata/server-owner.sqlite", "sha256": "unavailable: [Errno 13] Permission denied: '<RUN>/base/userdata/server-owner.sqlite'", "size": 0, "uid": 1000}
-target cwd exists=False path=<RUN>/new-project
+target cwd exists=True path=<RUN>/new-project
 INDEPENDENT LOCK PROBE (process closes before next target launch)
 $ <NODE> <DRIVER_DIR>/probe-lock.mjs <RUN>/base/userdata/server-owner.sqlite
 [command stdout] {"probePid":<PID>,"euid":1000,"lock":"<RUN>/base/userdata/server-owner.sqlite","existsBefore":true,"readOnly":true,"timeout":0,"sql":"SELECT 1 FROM sqlite_schema"}
@@ -51,7 +57,7 @@
 [command stdout] {"existsAfter":true}
 command wait: exit=0
 unrelated child after CLI: pid=<PID> signal-0-alive=True poll=None
-OUTCOME target B EXITED exit=1; target cwd exists=False
+OUTCOME target B EXITED exit=1; target cwd exists=True
 CLEANUP B: already exited pid=<PID>
 WAIT B: pid=<PID> returncode=1 exit=1
 CLEANUP unrelated fixture child: send SIGTERM to spawned pid=<PID>
@@ -62,7 +68,7 @@
 {"version":1,"pid":<PID>,"port":<PORT>,"origin":"http://127.0.0.1:<PORT>","startedAt":"<TIMESTAMP>","ownerId":"<UUID>"}
 R contents END
 L {"dev": 65024, "exists": true, "gid": 1000, "inode": <INODE>, "mode": "0o0", "path": "<RUN>/base/userdata/server-owner.sqlite", "sha256": "unavailable: [Errno 13] Permission denied: '<RUN>/base/userdata/server-owner.sqlite'", "size": 0, "uid": 1000}
-target cwd exists=False path=<RUN>/new-project
+target cwd exists=True path=<RUN>/new-project
 INDEPENDENT LOCK PROBE (process closes before next target launch)
 $ <NODE> <DRIVER_DIR>/probe-lock.mjs <RUN>/base/userdata/server-owner.sqlite
 [command stdout] {"probePid":<PID>,"euid":1000,"lock":"<RUN>/base/userdata/server-owner.sqlite","existsBefore":true,"readOnly":true,"timeout":0,"sql":"SELECT 1 FROM sqlite_schema"}
@@ -76,6 +82,6 @@
 {"version":1,"pid":<PID>,"port":<PORT>,"origin":"http://127.0.0.1:<PORT>","startedAt":"<TIMESTAMP>","ownerId":"<UUID>"}
 R contents END
 L {"dev": 65024, "exists": true, "first64bytes_hex": "", "gid": 1000, "inode": <INODE>, "mode": "0o644", "path": "<RUN>/base/userdata/server-owner.sqlite", "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", "size": 0, "uid": 1000}
-target cwd exists=False path=<RUN>/new-project
+target cwd exists=True path=<RUN>/new-project
 ROW COMPLETE F11
 ALL tracked children reaped; no driver-owned process intentionally left running