[POST-RERUN] #880 residual: reply-author row-shaping bucket

[lmeyerov]

Summary

Post-rerun residual split from #880: reply-author row-shaping join bucket remains workaround-backed partial.

Repro Receipt

• Source rerun set: results/runs/local-snb-interactive-closeout-2026-05-09
• Residual report filter: backend=gfql, status=partial, issue_ref=graphistry/pygraphistry#880
• Bucket: reply_author_row_shaping_join
• Lane count: 2

Affected upstream lanes

• interactive-complex-8 / recent-replies
• interactive-short-7 / message-replies

Scope

• Remove residual reply/author row-shaping workaround joins for these lanes.

Done when

• Lanes no longer emit gfql partial with #880 in issue_refs.
• Fresh rerun on latest master confirms clearance or narrowed non-[FEA] GFQL bindings_table (row bindings) from chain using Yannakakis prune #880 issue.

Related

• Parent umbrella: [FEA] GFQL bindings_table (row bindings) from chain using Yannakakis prune #880
• Queue meta: Meta: benchmark coverage unlock plan for GFQL and GFQL/Cypher #992
• Execution meta: Meta: GFQL compiler/planner post-M4 execution DAG (active wave) #1259