feat(FN-5226): add scope auto-widen layer 2.5 to merger for attribution-bas

Merges the Layer 2.5 scope-auto-widen feature (FN-5226) into the merger: a new evaluator module that automatically widens a task's declared file scope based on git attribution prior to the existing scope partition gate, wired into `merger.ts` with full audit taxonomy, persisted task metadata, and re

Fusion-Task-Id: FN-5226
This commit is contained in:
Fusion (runfusion.ai)
2026-05-21 16:29:47 -07:00
committed by gsxdsm
parent bc959c6ca4
commit f6f38676b4
21 changed files with 917 additions and 50 deletions

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"@runfusion/fusion": patch
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Merger Layer 2.5: auto-widen `## File Scope` for files whose branch-side commits
are exclusively attributed to the current task before the FN-4956 scope
partition strips them. Emits `merge:scope:auto-widen` run-audit events.
Fail-closed against foreign commits, cross-task scope claims, and ignored paths.