diff --git a/database/sources.sql b/database/sources.sql
index cf31cba..49c9083 100644
--- a/database/sources.sql
+++ b/database/sources.sql
@@ -65,6 +65,16 @@ RETURNS TABLE (key TEXT, origins TEXT[]) AS $$
         SELECT jsonb_object_keys(data) AS key, 'raw'     AS origin
         FROM dataflow.records WHERE source_name = p_source_name
         UNION ALL
+        -- transformed/overrides are read straight off the records so that keys with
+        -- no surviving rule or mapping (e.g. a manual override) still get listed
+        SELECT jsonb_object_keys(transformed) AS key, 'transformed' AS origin
+        FROM dataflow.records
+        WHERE source_name = p_source_name AND transformed IS NOT NULL
+        UNION ALL
+        SELECT jsonb_object_keys(overrides) AS key, 'override' AS origin
+        FROM dataflow.records
+        WHERE source_name = p_source_name AND overrides IS NOT NULL
+        UNION ALL
         SELECT output_field AS key, 'rule: ' || name     AS origin
         FROM dataflow.rules WHERE source_name = p_source_name
         UNION ALL
diff --git a/ui/src/pages/Records.jsx b/ui/src/pages/Records.jsx
index 09d0940..c1be1f9 100644
--- a/ui/src/pages/Records.jsx
+++ b/ui/src/pages/Records.jsx
@@ -62,7 +62,16 @@ function AutocompleteInput({ value, onChange, onEnter, suggestions = [], classNa
 }
 
 const DATE_RE = /^\d{4}-\d{2}-\d{2}(T[\d:.Z+-]+)?$/
+// Hidden everywhere a field can be edited as an override — you can't override an id
 const HIDDEN_COLS = new Set(['id', '_overridden'])
+// The grid and its filters keep id: it's the only handle on a specific row
+const GRID_HIDDEN_COLS = new Set(['_overridden'])
+
+// id first, then the rest in view order
+function gridCols(keys) {
+  const visible = keys.filter(c => !GRID_HIDDEN_COLS.has(c))
+  return visible.includes('id') ? ['id', ...visible.filter(c => c !== 'id')] : visible
+}
 
 function formatVal(val) {
   if (val === null || val === undefined) return null
@@ -179,7 +188,8 @@ export default function Records({ source }) {
   }
 
   function addFilter() {
-    const visCols = cols.filter(c => !HIDDEN_COLS.has(c))
+    // id is filterable but a poor default — start on the first data column
+    const visCols = gridCols(cols).filter(c => c !== 'id')
     setFilters(f => [...f, { col: visCols[0] || '', pattern: '' }])
   }
 
@@ -275,8 +285,8 @@ export default function Records({ source }) {
 
   if (!source) return <div className="p-6 text-sm text-gray-400">Select a source first.</div>
 
-  const displayCols = (rows.length > 0 ? Object.keys(rows[0]) : cols).filter(c => !HIDDEN_COLS.has(c))
-  const visCols = cols.filter(c => !HIDDEN_COLS.has(c))
+  const displayCols = gridCols(rows.length > 0 ? Object.keys(rows[0]) : cols)
+  const visCols = gridCols(cols)
 
   // For bulk bar: only established override keys
   const allOverrideCols = [...new Set([...overrideCols, ...extraCols])]