Audit package refresh: Window 1 supported claims + risk register

Refresh the standing audit package now that B1' / B2 / B3 are complete.

current_results/characterization_claim_matrix.md
  Flips seven entries from "not_yet_supported" / "partially_supported"
  to "supported" with pointers into window_1_results/. New entries
  cover per-session sequentiality, KV per request, real reuse
  decomposition, theoretical APC ceiling, the LMetric locality gap,
  Unified breaking the locality-vs-latency tradeoff, B2 causal
  interference proof, sticky's interference inflation, and the
  partial heavy-tail / hot-spot story. B4 SRR + B5 attribution stay
  "not_yet_supported" (Window 2 work).

current_results/main_claim_allowed_runs.md
  New "Allowed For Routing-Policy Comparison" section pins the five
  B3 policy directories. New "Allowed For PD-colo Interference"
  section pins the B2 sweep. Legacy section retained for the
  pre-instrumentation 200/500/1000-req runs.

current_results/reviewer_risk_register.md
  Marks the two old "high"-severity risks (sequentiality / reuse
  decomposition) as resolved; adds new entries for the APC
  contamination empirics, the b3_analyze.sh truncate-write bug that
  cost unified's interference index, the GPU-0 EngineCore ghost
  cleanup, the saturated-replay caveat for trace-timestamp dispatch,
  and the synthetic B2 decode workload.

current_results/all_figures_index.md
  Adds the 8 new Window 1 figures alongside the existing 6 from the
  legacy summarize_runs run.

current_results/reproduction_commands.sh
  Records the full B3 + B2 + figure pipeline.

analysis/characterization_todo_for_interns.md
  Updates the Progress Snapshot table: B0, B1, B2, B3, B6 all DONE;
  only B4 and B5 remain (Window 2).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

analysis/characterization/current_results/reproduction_commands.sh

@@ -1,17 +1,62 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Rebuild this current-results audit package.
-python3 analysis/characterization/summarize_runs.py --output-dir analysis/characterization/current_results --runs outputs/gpu_ab_combined outputs/gpu_ab_pdsep outputs/contention_16s_ts10 outputs/contention_16s_elastic outputs/combined_1000req outputs/exp3_pd_sep_tp1_mooncake
+# Window 0 audit refresh (legacy run summaries).
+python3 analysis/characterization/summarize_runs.py \
+    --output-dir analysis/characterization/current_results \
+    --runs outputs/gpu_ab_combined outputs/gpu_ab_pdsep \
+           outputs/contention_16s_ts10 outputs/contention_16s_elastic \
+           outputs/combined_1000req outputs/exp3_pd_sep_tp1_mooncake
 
-# Example Batch 0/1 local trace analysis.
+# B1' Per-request KV footprint on the full trace (runs on dash0 directly,
+# CPU-only; the formatted full trace is hundreds of GiB).
 python3 analysis/characterization/analyze.py \
-  --trace traces/w600_r0.0015_st30.jsonl \
-  --kv-bytes-per-token 98304 \
-  --task-name w600_local_full_trace \
-  --overwrite
+    --trace ~/ali-trace/trace-glm5.1-formatted/051315-051317.jsonl \
+    --kv-bytes-per-token 98304 \
+    --task-name full_trace_with_kv \
+    --output-root outputs/characterization \
+    --overwrite
 
-# CPU-only full compact trace summary was computed on dash0 from:
-# /home/admin/cpfs/wjh/ali-trace/trace-glm5.1-formatted/051315-051317.jsonl
-# Recompute either by running analyze.py on dash0, or by copying that compact
-# formatted JSONL locally. Do not use the 487G raw file directly.
+# w600 trace APC theoretical bound.
+python3 scripts/compute_apc_upper_bound.py \
+    --trace traces/w600_r0.0015_st30.jsonl \
+    --out outputs/apc_upper_w600.json
+
+# B3 5-policy routing sweep on dash0 (8 × TP1 instances).
+#   First three policies share one vLLM lifecycle (hot-cache, fast):
+bash scripts/b3_sweep.sh                  # writes outputs/b3_sweep_<TS>/
+
+#   Last two run isolated with cold vLLM:
+bash scripts/b3_isolated_policy.sh unified \
+    traces/w600_r0.0015_st30.jsonl \
+    outputs/b3_sweep_<TS>/unified
+
+python3 scripts/build_capped_trace.py \
+    --input traces/w600_r0.0015_st30.jsonl \
+    --output outputs/b3_sweep_<TS>/capped/trace.jsonl \
+    --max-turns 8
+
+bash scripts/b3_isolated_policy.sh lmetric \
+    outputs/b3_sweep_<TS>/capped/trace.jsonl \
+    outputs/b3_sweep_<TS>/capped
+
+# B3 analysis (joined records + indices) and report.
+bash scripts/b3_analyze.sh outputs/b3_sweep_<TS>
+python3 scripts/render_b3_report.py --sweep-dir outputs/b3_sweep_<TS>
+
+# B2 PD-colo interference microbench. Launch 2 vLLM instances on
+# ports 8100 and 8101 with --enable-prompt-tokens-details first, then:
+python3 scripts/b2_interference.py \
+    --decode-endpoint http://127.0.0.1:8100 \
+    --prefill-endpoint http://127.0.0.1:8101 \
+    --model <model-path> \
+    --out-dir outputs/b2_microbench/sweep \
+    --prefill-sizes 2048,8192,16384,32768,65536 \
+    --variants different,same
+python3 analysis/characterization/b2_sweep_analysis.py \
+    --sweep-dir outputs/b2_microbench/sweep
+
+# Window 1 figure rendering (CPU only).
+python3 analysis/characterization/render_window1_figures.py \
+    --results-dir analysis/characterization/window_1_results \
+    --out-dir analysis/characterization/window_1_results/figures