Complete ownership documentation and integration validation

docs/roadmap/implementation.md

@@ -517,7 +517,8 @@ Status: complete.
 Completion evidence (2026-09-06):
 
 - Added descriptor-driven canonical typed projection and independently owned cloning
-  in [`projection.go`](../../projection.go), without YAML serialization or a second
+  in [`projection.go`](../../projection.go) (cloning now lives in
+  [`clone.go`](../../clone.go)), without YAML serialization or a second
   binding model. Zero values, nil/empty distinctions, exact integers, destination-
   precision finite floats, durations, text scalars, dynamic concrete values, and
   recursive acyclic objects retain their configuration meaning.
@@ -1306,7 +1307,9 @@ Status: complete.
 Completion evidence (2026-09-06):
 
 - Activated the existing `Override`/`Options.Overrides` surface through the new
-  parser-neutral implementation in [`override.go`](../../override.go). It accepts
+  parser-neutral implementation in [`override.go`](../../override.go) (value
+  building now lives in [`override_value.go`](../../override_value.go), application
+  in [`override_apply.go`](../../override_apply.go)). It accepts
   only built-in scalar values, `nil`, `[]any`, and `map[string]any`; preserves
   scalar kinds and sequence order; sorts maps; rejects named/unsupported values,
   nonfinite floats and cycles; and snapshots all accepted caller-owned state without
@@ -1371,7 +1374,10 @@ Completion evidence (2026-09-06):
 
 - Added detached `ValueSnapshot`, `ValueChange`, `SecretReferenceInfo`, and
   `Explanation` records plus `Result.Explain` and `Result.WriteExplanation` in
-  [`explain.go`](../../explain.go). Effective/default/domain values use canonical
+  [`explain.go`](../../explain.go) (human rendering now lives in
+  [`explain_render.go`](../../explain_render.go); replay and snapshots in
+  [`history.go`](../../history.go) and [`snapshot.go`](../../snapshot.go)).
+  Effective/default/domain values use canonical
   typed projection; base/profile/CLI events preserve policy-validated input, with
   explicit absent, null, equal-write, replacement, and deletion states.
 - Extended composition, profile, and CLI handling to retain immutable applications