Add searchable input controls and display profile editing

crates/ferese-config/src/document.rs

@@ -350,6 +350,36 @@ impl Document {
         Ok(())
     }
 
+    /// Restore one top-level setting from an earlier document, including its
+    /// authored nodes and comments, while retaining all other current settings.
+    pub fn restore_top_level(&mut self, key: &str, baseline: &Self) -> Result<(), Error> {
+        if key.is_empty() || key.contains('.') {
+            return Err(Error("Expected a top-level setting".into()));
+        }
+        let mut candidate = self.clone();
+        let index = candidate
+            .doc
+            .nodes()
+            .iter()
+            .position(|node| field(node.name().value(), "") == key)
+            .unwrap_or(candidate.doc.nodes().len());
+        candidate
+            .doc
+            .nodes_mut()
+            .retain(|node| field(node.name().value(), "") != key);
+        let restored = baseline
+            .doc
+            .nodes()
+            .iter()
+            .filter(|node| field(node.name().value(), "") == key)
+            .cloned();
+        let index = index.min(candidate.doc.nodes().len());
+        candidate.doc.nodes_mut().splice(index..index, restored);
+        candidate.refresh()?;
+        *self = candidate;
+        Ok(())
+    }
+
     fn refresh(&mut self) -> Result<(), Error> {
         self.value = Value::Object(object(&self.doc, "")?);
         Ok(())
@@ -1124,6 +1154,36 @@ pub fn from_str<T: DeserializeOwned>(source: &str) -> Result<T, Error> {
 mod tests {
     use super::*;
 
+    #[test]
+    fn restoring_display_records_keeps_authored_comments_and_other_current_settings() {
+        let baseline=Document::parse("// desk note\noutput-profile \"Desk\" { output match=\"DP-1\" scale=2; }\ninput { repeat-rate 25; }\n").unwrap();
+        let mut current = baseline.clone();
+        current
+            .set("output_profiles.0.outputs.0.scale", 1.5.into())
+            .unwrap();
+        current.set("input.repeat_rate", 31.into()).unwrap();
+        current
+            .restore_top_level("output_profiles", &baseline)
+            .unwrap();
+        assert_eq!(
+            current.get("output_profiles"),
+            baseline.get("output_profiles")
+        );
+        assert_eq!(
+            current.get("input.repeat_rate"),
+            Some(&serde_json::json!(31))
+        );
+        assert!(current.to_string().contains("// desk note"));
+        current
+            .restore_top_level("output_profiles", &Document::parse("").unwrap())
+            .unwrap();
+        assert!(current.get("output_profiles").is_none());
+        assert_eq!(
+            current.get("input.repeat_rate"),
+            Some(&serde_json::json!(31))
+        );
+    }
+
     #[test]
     fn structured_activity_rules_use_native_kdl_syntax() {
         let mut doc = Document::parse("activities { max-visible 2; }\n").unwrap();