dashboard: refresh eval table + baseline notes (2026-07-14)

[skyrocket2026]

Summary

• Backfill open PR evals perf(qwen36): Q8_0→Q4_K requant of GDN ssm_out projections (+2.8% @128) #355 (eval:M), perf(qwen36): Q4_K shared-expert FFN kernels + Q8_0/Q5_K→Q4_K requant of the MoE FFN stage (+2.8–3.2%) #359 (REJECT), perf(qwen36): Q4_K shared-expert FFN kernels + Q8_0/Q5_K→Q4_K requant of the MoE FFN stage (+3.1–3.8%) #360 (REJECT) from sparkinfer-log
• Bump updated to 2026-07-14 and pin Qwen3.5/Qwen3.6 baseline notes to origin/main 36bde95
• HF download counts unchanged (85521 / 1,985,221 / 844,561)

Test plan

• Open https://gittensor-ai-lab.github.io/sparkinfer/dashboard/ after merge — charts and PR table render
• PR perf(qwen36): shared-expert pack2 + race-safe PDL chain #363 (eval:S @128k) still visible in table; frontier/journey unchanged (no new merges)