Reuse-Architecture Verification Addendum

Apply only to reuse-architecture dedup findings.

Open every entry in existing_implementations with enough surrounding context to compare behavior:

• At least one implementation has equivalent input, output, and side effects → confirmed.
• All implementations are merely syntactically similar → false_positive, naming the semantic difference.
• Required context is unavailable → need_more_context.

Reuse-architecture findings default to can_auto_fix: false because caller migration changes the blast radius. A constant or single-import swap with no signature change may be auto-fixable when the evidence says why.