Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: spech66

LifelogBb/Migrations/20260515071837_ConfigHeight.cs

@@ -17,17 +17,19 @@ protected override void Up(MigrationBuilder migrationBuilder)
                 nullable: false,
                 defaultValue: 170);
 
-            // Backfill Height from the most recent Weight entry in the same unit-valid range.
+            // Backfill Height from the most recent Weight entry only when the stored value is
+            // unambiguous for the current unit system. The valid ranges overlap from 40-98, so
+            // those values cannot be safely inferred as metric or imperial during migration.
             // Range values align with EditConfigViewModel constants: metric 40-250, imperial 16-98.
             migrationBuilder.Sql(@"
                 UPDATE Configs
                 SET Height = CASE
                     WHEN UnitsType = 1 THEN COALESCE(
-                        (SELECT Height FROM Weights WHERE Height BETWEEN 16 AND 98 ORDER BY CreatedAt DESC LIMIT 1),
+                        (SELECT Height FROM Weights WHERE Height BETWEEN 16 AND 39 ORDER BY CreatedAt DESC LIMIT 1),
                         67
                     )
                     ELSE COALESCE(
-                        (SELECT Height FROM Weights WHERE Height BETWEEN 40 AND 250 ORDER BY CreatedAt DESC LIMIT 1),
+                        (SELECT Height FROM Weights WHERE Height BETWEEN 99 AND 250 ORDER BY CreatedAt DESC LIMIT 1),
                         170
                     )
                 END