diff --git a/ci-review-prompt.md b/ci-review-prompt.md
index 38e769b04..b3befafa8 100644
--- a/ci-review-prompt.md
+++ b/ci-review-prompt.md
@@ -114,6 +114,14 @@ deployment, and operation paths instead of judging the changed hunk in
 isolation; flag contradictions between PR intent, code, docs, tests, schemas,
 generated files, UI rendering, and consumers.
 
+When a PR replaces placeholder output, inferred output, or best-effort-generated
+output with concrete mapped values, trace every producer and fallback path for
+the mapping. Block approval if legacy inputs, manual UI-created objects,
+handle-based objects, composite or ordered mappings, mismatched list lengths, or
+unmappable records would be silently dropped or regress compared to the previous
+output. Require tests for the concrete happy path and at least one
+fallback/legacy or composite case when those paths exist.
+
 Review object naming and reserved-word safety for changed database tables,
 columns, primary keys, foreign keys, indexes, constraints, API fields, events,
 configuration keys, routes, classes, functions, methods, generated models, and
diff --git a/code-reviewer-prompt.md b/code-reviewer-prompt.md
index 94bcb2961..25dc48143 100644
--- a/code-reviewer-prompt.md
+++ b/code-reviewer-prompt.md
@@ -128,6 +128,12 @@ between PR intent, code, docs, tests, schemas, generated files, UI rendering,
 and consumers. For changed scrolling, animation, transition, or motion behavior,
 verify that `prefers-reduced-motion: reduce` users are not forced through smooth
 scrolling or animated motion.
+When a PR replaces placeholder output, inferred output, or best-effort-generated
+output with concrete mapped values, trace each producer and fallback path for
+that mapping. Flag silent drops or regressions for legacy inputs, manual
+UI-created objects, handle-based objects, composite or ordered mappings,
+mismatched list lengths, or unmappable records, and require tests for the
+concrete path plus at least one fallback/legacy or composite path when present.
 For modal, dialog, drawer, popover, and toast overlays, verify viewport
 anchoring, inset coverage, scroll behavior, and mobile clipping; overlays must
 not be positioned relative to an inner app panel when the user needs a