LONG THREAD / REAL SERVER HTTP MEASUREMENT
AFTER  b86bd056c0f7e86699778b7c26b9dfcd39779102
Linux x86_64, Node v26.13.1, loopback HTTP, real T3 server, fresh synthetic SQLite database, same VM
Fresh replay history: 200 turns x 11 tools x 40,000 bytes
Prompts: user/web; one inline tool every 20 turns; deferWork=1
3 warmups; 40 open + older reads; 15 x 6 concurrent opens
Five rounds, same VM, milliseconds

Round            Open        Older     Combined     6-open p95
1               40.64        34.30        75.74       153.90
2               35.33        29.30        64.85       176.01
3               35.29        32.21        67.78       144.84
4               33.30        28.94        62.65       186.66
5               36.68        31.28        68.06       159.43

Median of rounds / range across round statistics:
Open                 35.33 ms   [33.30, 40.64]
Older page           31.28 ms   [28.94, 34.30]
Open + older         67.78 ms   [62.65, 75.74]
Six opens p95       159.43 ms   [144.84, 186.66]

Returned rows: initial 140, older 280; deferred groups 0/0
Known inline items retained: 1/1 (initial/older); bodies load separately

Synthetic data only. Timings include loopback HTTP and JSON.
Not a browser/render measurement or the historical 6.3 GB DB.
