This records the application-dev DDL apply/replay, compile and targeted
test evidence, fresh-jar HTTP smoke, DB writeback checks, and cleanup proof
for the PRICE_DIFF_ADJUST formal-table batch.
Constraint: Evidence must stay aligned with the backend price-diff formal-table implementation and application-dev verification run on 2026-04-17
Rejected: Fold this evidence into unrelated doc drafts in the main docs worktree | would mix scopes and weaken traceability
Confidence: high
Scope-risk: narrow
Reversibility: clean
Directive: Append future price-diff reruns as dated subsections or follow-up evidence files instead of overwriting this baseline
Tested: Verified against backend compile/test output and direct psql + fresh-jar smoke results on 2026-04-17
Not-tested: No doc export/render pipeline executed for this evidence-only commit