Synthetic RPC fixture: 7,524 threads; 4,070 archived; two target-worktree threads; ~3.7 KB thread payloads. Linux / Node development server / loopback HTTP+WebSocket / protocol 2 / warm cache. Completed Replay runs in synthetic thread A: 1536. before sample 1: full shell: 407.80 ms; returned 3456 threads before sample 1: trimmed shell: 439.60 ms; returned 3456 threads before sample 1: two-thread worktree: 36.66 ms; returned 2 threads before sample 1: t3_thread_list: 183.99 ms; returned 100 threads before sample 1: single-thread family: 28.81 ms; returned 1 threads before sample 2: full shell: 496.03 ms; returned 3456 threads before sample 2: trimmed shell: 762.29 ms; returned 3456 threads before sample 2: two-thread worktree: 23.54 ms; returned 2 threads before sample 2: t3_thread_list: 127.55 ms; returned 100 threads before sample 2: single-thread family: 22.51 ms; returned 1 threads before sample 3: full shell: 350.37 ms; returned 3456 threads before sample 3: trimmed shell: 507.23 ms; returned 3456 threads before sample 3: two-thread worktree: 22.52 ms; returned 2 threads before sample 3: t3_thread_list: 124.41 ms; returned 100 threads before sample 3: single-thread family: 21.52 ms; returned 1 threads before sample 4: full shell: 387.52 ms; returned 3456 threads before sample 4: trimmed shell: 375.38 ms; returned 3456 threads before sample 4: two-thread worktree: 25.91 ms; returned 2 threads before sample 4: t3_thread_list: 115.25 ms; returned 100 threads before sample 4: single-thread family: 22.49 ms; returned 1 threads before sample 5: full shell: 568.72 ms; returned 3456 threads before sample 5: trimmed shell: 462.09 ms; returned 3456 threads before sample 5: two-thread worktree: 22.58 ms; returned 2 threads before sample 5: t3_thread_list: 123.77 ms; returned 100 threads before sample 5: single-thread family: 21.16 ms; returned 1 threads before sample 6: full shell: 372.00 ms; returned 3456 threads before sample 6: trimmed shell: 388.03 ms; returned 3456 threads before sample 6: two-thread worktree: 22.65 ms; returned 2 threads before sample 6: t3_thread_list: 121.76 ms; returned 100 threads before sample 6: single-thread family: 22.98 ms; returned 1 threads before sample 7: full shell: 372.24 ms; returned 3456 threads before sample 7: trimmed shell: 397.35 ms; returned 3456 threads before sample 7: two-thread worktree: 25.15 ms; returned 2 threads before sample 7: t3_thread_list: 120.88 ms; returned 100 threads before sample 7: single-thread family: 27.54 ms; returned 1 threads before sample 8: full shell: 487.57 ms; returned 3456 threads before sample 8: trimmed shell: 487.79 ms; returned 3456 threads before sample 8: two-thread worktree: 22.48 ms; returned 2 threads before sample 8: t3_thread_list: 116.02 ms; returned 100 threads before sample 8: single-thread family: 22.67 ms; returned 1 threads before sample 9: full shell: 336.30 ms; returned 3456 threads before sample 9: trimmed shell: 489.95 ms; returned 3456 threads before sample 9: two-thread worktree: 22.74 ms; returned 2 threads before sample 9: t3_thread_list: 115.99 ms; returned 100 threads before sample 9: single-thread family: 20.71 ms; returned 1 threads before sample 10: full shell: 343.06 ms; returned 3456 threads before sample 10: trimmed shell: 407.44 ms; returned 3456 threads before sample 10: two-thread worktree: 23.31 ms; returned 2 threads before sample 10: t3_thread_list: 113.76 ms; returned 100 threads before sample 10: single-thread family: 21.26 ms; returned 1 threads before sample 11: full shell: 336.49 ms; returned 3456 threads before sample 11: trimmed shell: 502.19 ms; returned 3456 threads before sample 11: two-thread worktree: 23.61 ms; returned 2 threads before sample 11: t3_thread_list: 117.52 ms; returned 100 threads before sample 11: single-thread family: 21.49 ms; returned 1 threads before sample 12: full shell: 379.72 ms; returned 3456 threads before sample 12: trimmed shell: 380.28 ms; returned 3456 threads before sample 12: two-thread worktree: 22.96 ms; returned 2 threads before sample 12: t3_thread_list: 113.24 ms; returned 100 threads before sample 12: single-thread family: 21.52 ms; returned 1 threads before sample 13: full shell: 397.82 ms; returned 3456 threads before sample 13: trimmed shell: 417.46 ms; returned 3456 threads before sample 13: two-thread worktree: 21.73 ms; returned 2 threads before sample 13: t3_thread_list: 110.01 ms; returned 100 threads before sample 13: single-thread family: 21.07 ms; returned 1 threads before sample 14: full shell: 352.79 ms; returned 3456 threads before sample 14: trimmed shell: 376.02 ms; returned 3456 threads before sample 14: two-thread worktree: 21.60 ms; returned 2 threads before sample 14: t3_thread_list: 113.00 ms; returned 100 threads before sample 14: single-thread family: 21.93 ms; returned 1 threads before sample 15: full shell: 368.92 ms; returned 3456 threads before sample 15: trimmed shell: 391.08 ms; returned 3456 threads before sample 15: two-thread worktree: 23.07 ms; returned 2 threads before sample 15: t3_thread_list: 109.88 ms; returned 100 threads before sample 15: single-thread family: 22.55 ms; returned 1 threads before sample 16: full shell: 340.96 ms; returned 3456 threads before sample 16: trimmed shell: 362.33 ms; returned 3456 threads before sample 16: two-thread worktree: 23.65 ms; returned 2 threads before sample 16: t3_thread_list: 111.05 ms; returned 100 threads before sample 16: single-thread family: 21.15 ms; returned 1 threads before sample 17: full shell: 341.88 ms; returned 3456 threads before sample 17: trimmed shell: 365.33 ms; returned 3456 threads before sample 17: two-thread worktree: 22.58 ms; returned 2 threads before sample 17: t3_thread_list: 114.67 ms; returned 100 threads before sample 17: single-thread family: 24.41 ms; returned 1 threads before sample 18: full shell: 361.59 ms; returned 3456 threads before sample 18: trimmed shell: 361.53 ms; returned 3456 threads before sample 18: two-thread worktree: 21.98 ms; returned 2 threads before sample 18: t3_thread_list: 115.12 ms; returned 100 threads before sample 18: single-thread family: 21.48 ms; returned 1 threads before sample 19: full shell: 343.09 ms; returned 3456 threads before sample 19: trimmed shell: 377.72 ms; returned 3456 threads before sample 19: two-thread worktree: 24.84 ms; returned 2 threads before sample 19: t3_thread_list: 118.85 ms; returned 100 threads before sample 19: single-thread family: 20.63 ms; returned 1 threads before sample 20: full shell: 474.40 ms; returned 3456 threads before sample 20: trimmed shell: 370.81 ms; returned 3456 threads before sample 20: two-thread worktree: 21.02 ms; returned 2 threads before sample 20: t3_thread_list: 114.34 ms; returned 100 threads before sample 20: single-thread family: 21.66 ms; returned 1 threads before sample 21: full shell: 333.67 ms; returned 3456 threads before sample 21: trimmed shell: 355.57 ms; returned 3456 threads before sample 21: two-thread worktree: 21.26 ms; returned 2 threads before sample 21: t3_thread_list: 110.30 ms; returned 100 threads before sample 21: single-thread family: 22.52 ms; returned 1 threads before sample 22: full shell: 337.60 ms; returned 3456 threads before sample 22: trimmed shell: 370.09 ms; returned 3456 threads before sample 22: two-thread worktree: 21.60 ms; returned 2 threads before sample 22: t3_thread_list: 118.28 ms; returned 100 threads before sample 22: single-thread family: 22.41 ms; returned 1 threads before sample 23: full shell: 334.38 ms; returned 3456 threads before sample 23: trimmed shell: 349.53 ms; returned 3456 threads before sample 23: two-thread worktree: 21.96 ms; returned 2 threads before sample 23: t3_thread_list: 111.03 ms; returned 100 threads before sample 23: single-thread family: 20.88 ms; returned 1 threads before sample 24: full shell: 330.97 ms; returned 3456 threads before sample 24: trimmed shell: 396.71 ms; returned 3456 threads before sample 24: two-thread worktree: 23.33 ms; returned 2 threads before sample 24: t3_thread_list: 116.21 ms; returned 100 threads before sample 24: single-thread family: 22.51 ms; returned 1 threads before sample 25: full shell: 319.84 ms; returned 3456 threads before sample 25: trimmed shell: 389.22 ms; returned 3456 threads before sample 25: two-thread worktree: 40.82 ms; returned 2 threads before sample 25: t3_thread_list: 131.77 ms; returned 100 threads before sample 25: single-thread family: 21.80 ms; returned 1 threads