The restart line names no part of a value; the new rows join existing tests (issue 1966, review round 1)

Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ

internal/apply/process.go

@@ -562,8 +562,7 @@ func DaemonRoot() string { return daemonRoot }
 
 // unitDifference names what differs between what a process's record says was written and what is wanted now, both
 // "sha256:<hex> <unit>": its bundle when the digest differs, and in the unit file each directive and each environment
-// word that differs, with inside a word the keys of a JSON object (and, one level down, of its objects) or the names of
-// the name=value entries of a list that differ. Names only, never a value, so a secret in a word is never said. Empty
+// word that differs, with inside a word the keys of a JSON object (and, one level down, of its objects) that differ. Names only, never a value, so a secret in a word is never said. Empty
 // when nothing differs or there was no record.
 func unitDifference(was, want string) string {
 	if was == "" {
@@ -630,40 +629,11 @@ func valueDifference(was, now string, depth int) string {
 			if string(a[k]) == string(b[k]) {
 				continue
 			}
-			inner := ""
-			var x, y string
-			if json.Unmarshal(a[k], &x) == nil && json.Unmarshal(b[k], &y) == nil {
-				inner = valueDifference(x, y, 0)
-			} else {
-				inner = valueDifference(string(a[k]), string(b[k]), depth-1)
-			}
+			inner := valueDifference(string(a[k]), string(b[k]), depth-1)
 			names = append(names, k+inner)
 		}
 		return " (" + strings.Join(names, ", ") + ")"
 	}
-	entries := func(list string) map[string]string {
-		m := map[string]string{}
-		for _, e := range strings.Split(list, ",") {
-			if name, _, ok := strings.Cut(e, "="); ok {
-				m[e] = name
-			}
-		}
-		return m
-	}
-	before, after := entries(was), entries(now)
-	named := map[string]bool{}
-	for e, name := range before {
-		if _, ok := after[e]; !ok {
-			named[name] = true
-		}
-	}
-	for e, name := range after {
-		if _, ok := before[e]; !ok {
-			named[name] = true
-		}
-	}
-	if len(named) == 0 {
-		return ""
-	}
-	return " (" + strings.Join(slices.Sorted(maps.Keys(named)), ", ") + ")"
+	// Anything else is a value: said as differing, never split, since a name before an "=" in it can be a secret.
+	return ""
 }