[Fix] All thresholds, Increase Batch Predict Limit, Make "Back" Button on error page trigger a new pageload. (#432)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#432

envipath/settings.py

@@ -340,6 +340,7 @@ DEFAULT_MODEL_PARAMS = {
 DEFAULT_MAX_NUMBER_OF_NODES = 50
 DEFAULT_MAX_DEPTH = 8
 DEFAULT_MODEL_THRESHOLD = 0.25
+BATCH_PREDICT_MAX_COMPOUNDS = 150
 
 # Loading Plugins
 PLUGINS_ENABLED = os.environ.get("PLUGINS_ENABLED", "False") == "True"

epapi/v1/endpoints/additional_information.py

@@ -9,8 +9,8 @@ from envipy_additional_information import registry
 from envipy_additional_information.groups import GroupEnum
 from epapi.utils.schema_transformers import build_rjsf_output
 from epapi.utils.validation_errors import handle_validation_error
-from epdb.models import AdditionalInformation
-from ..dal import get_scenario_for_read, get_scenario_for_write
+from epdb.models import AdditionalInformation, Scenario, Node
+from ..dal import get_scenario_for_read, get_scenario_for_write, get_package_for_write
 
 logger = logging.getLogger(__name__)
 
@@ -58,6 +58,61 @@ def list_scenario_info(request, scenario_uuid: UUID):
     return result
 
 
+@router.post("/information/{model_name}/")
+def add_object_info(request, model_name: str, payload: Dict[str, Any] = Body(...)):
+    from epdb.views import EPDBURLParser
+
+    cls = registry.get_model(model_name.lower())
+    if not cls:
+        raise HttpError(404, f"Unknown model: {model_name}")
+
+    try:
+        instance = cls(**payload)  # Pydantic validates
+    except ValidationError as e:
+        handle_validation_error(e)
+
+    if "attach_obj_url" in payload:
+        url_parser = EPDBURLParser(payload["attach_obj_url"])
+
+        if url_parser.contains_package_url():
+            package = get_package_for_write(request.user, url_parser.get_objects()[0].uuid)
+            attach_obj = url_parser.get_object()
+
+            if "scenario_uuid" in payload:
+                scenario = get_scenario_for_read(request.user, payload["scenario_uuid"])
+            else:
+                scenario = Scenario.create(
+                    package,
+                    name=f"Scenario {Scenario.objects.filter(package=package).count() + 1}",
+                    description="no description",
+                    scenario_date=None,
+                    scenario_type=None,
+                    additional_information=[],
+                )
+
+            if isinstance(attach_obj, Node):
+                ai = add_info_to_node(package, instance, scenario, attach_obj)
+            else:
+                raise HttpError(404, f"Bad request - Not implemented for {type(attach_obj)}!")
+
+            return {"status": "created", "uuid": ai.uuid}
+
+    raise HttpError(404, "Bad request!")
+
+
+def add_info_to_node(package, add_inf, scenario, node):
+    ai = AdditionalInformation.create(
+        package,
+        add_inf,
+        scenario=scenario,
+        content_object=node,
+    )
+
+    node.pathway.scenarios.add(scenario)
+
+    return ai
+
+
 @router.post("/scenario/{uuid:scenario_uuid}/information/{model_name}/")
 def add_scenario_info(
     request, scenario_uuid: UUID, model_name: str, payload: Dict[str, Any] = Body(...)

epdb/legacy_api.py

@@ -1620,7 +1620,7 @@ class PathwayNode(Schema):
     image: str = Field(None, alias="image")
     imageSize: int = Field(None, alias="image_size")
     name: str = Field(None, alias="name")
-    proposed: List[Dict[str, str]] = []
+    proposed: List[Dict[str, Any]] = []
     smiles: str = Field(None, alias="smiles")
     pseudo: bool = Field(False, alias="pseudo")
 

epdb/logic.py

@@ -44,7 +44,7 @@ class EPDBURLParser:
     MODEL_PATTERNS = {
         "epdb.User": re.compile(rf"^.*/user/{UUID_PATTERN}"),
         "epdb.Group": re.compile(rf"^.*/group/{UUID_PATTERN}"),
-        "epdb.Package": re.compile(rf"^.*/package/{UUID_PATTERN}"),
+        s.EPDB_PACKAGE_MODEL: re.compile(rf"^.*/package/{UUID_PATTERN}"),
         "epdb.Compound": re.compile(rf"^.*/package/{UUID_PATTERN}/compound/{UUID_PATTERN}"),
         "epdb.CompoundStructure": re.compile(
             rf"^.*/package/{UUID_PATTERN}/compound/{UUID_PATTERN}/structure/{UUID_PATTERN}"
@@ -94,7 +94,7 @@ class EPDBURLParser:
 
     def contains_package_url(self):
         return (
-            bool(self.MODEL_PATTERNS["epdb.Package"].findall(self.url))
+            bool(self.MODEL_PATTERNS[s.EPDB_PACKAGE_MODEL].findall(self.url))
             and not self.is_package_url()
         )
 
@@ -122,7 +122,7 @@ class EPDBURLParser:
             "epdb.EPModel",
             "epdb.Pathway",
             # 1st level
-            "epdb.Package",
+            s.EPDB_PACKAGE_MODEL,
             "epdb.Setting",
             "epdb.Group",
             "epdb.User",
@@ -144,7 +144,7 @@ class EPDBURLParser:
 
         hierarchy_order = [
             # 1st level
-            "epdb.Package",
+            s.EPDB_PACKAGE_MODEL,
             "epdb.Setting",
             "epdb.Group",
             "epdb.User",
@@ -1805,12 +1805,51 @@ class SPathway(object):
 
         logger.info("Update done!")
 
+    def compute_bayes_probabilities(self) -> Dict[SEdge, float]:
+        """
+        Computes Bayes-adjusted probabilities for all edges in the pathway
+        by iterating level by level from depth 0 upwards, keyed on educt depth.
+
+        Returns:
+            A dict mapping each SEdge to its Bayes-adjusted probability.
+        """
+        bayes_probs: Dict[SEdge, float] = {}
+
+        # Group edges by their educt depth
+        edges_by_depth: Dict[int, List[SEdge]] = {}
+        for edge in self.edges:
+            d = edge.educts[0].depth
+            edges_by_depth.setdefault(d, []).append(edge)
+
+        for depth in sorted(edges_by_depth.keys()):
+            for edge in edges_by_depth[depth]:
+                if depth == 0:
+                    bayes_probs[edge] = edge.probability
+                else:
+                    predecessor_edges = [e for e in self.edges if edge.educts[0] in e.products]
+
+                    if not predecessor_edges or not all(
+                        e in bayes_probs for e in predecessor_edges
+                    ):
+                        # Predecessor not computed yet (e.g. same-depth product),
+                        # fall back to raw probability
+                        bayes_probs[edge] = edge.probability
+                    else:
+                        predecessor_avg = sum(bayes_probs[e] for e in predecessor_edges) / len(
+                            predecessor_edges
+                        )
+                        bayes_probs[edge] = predecessor_avg * edge.probability
+
+        return bayes_probs
+
     def to_json(self):
         nodes = []
         edges = []
 
         idx_lookup = {}
 
+        bayes_probs = self.compute_bayes_probabilities()
+
         for i, smiles in enumerate(self.smiles_to_node):
             n = self.smiles_to_node[smiles]
             idx_lookup[smiles] = i
@@ -1831,6 +1870,7 @@ class SPathway(object):
 
             if edge.probability:
                 e["probability"] = edge.probability
+                e["multiGenProbability"] = bayes_probs[edge]
 
             edges.append(e)
 

epdb/models.py

@@ -2455,7 +2455,7 @@ class Node(EnviPathModel, AliasMixin, ScenarioMixin, AdditionalInformationMixin)
             "name": self.get_name(),
             "plain_name": self.get_name(include_suffix=False),
             "smiles": self.default_node_label.smiles,
-            "scenarios": [{"name": s.get_name(), "url": s.url} for s in self.scenarios.all()],
+            "scenarios": [{"name": s.get_name(), "url": s.url} for s in self.get_scenarios()],
             "app_domain": {
                 "inside_app_domain": app_domain_data["assessment"]["inside_app_domain"]
                 if app_domain_data
@@ -2583,6 +2583,15 @@ class Node(EnviPathModel, AliasMixin, ScenarioMixin, AdditionalInformationMixin)
 
         return list(collected.values())
 
+    def get_scenarios(self):
+        qs = self.scenarios.all()
+        qs |= Scenario.objects.filter(
+            id__in=self.additional_information.filter(scenario__isnull=False)
+            .values_list("scenario", flat=True)
+            .distinct()
+        )
+        return qs.distinct()
+
 
 class Edge(EnviPathModel, AliasMixin, ScenarioMixin, AdditionalInformationMixin):
     pathway = models.ForeignKey(
@@ -2994,7 +3003,14 @@ class PackageBasedModel(EPModel):
 
             prec, rec = dict(), dict()
 
-            for t in np.arange(0, 1.05, 0.05):
+            thresholds = list(np.arange(0, 1.05, 0.05))
+
+            # Add specific threshold set during object creation if not already present
+            if np.float64(threshold) not in thresholds:
+                thresholds.append(np.float64(threshold))
+                thresholds.sort()
+
+            for t in thresholds:
                 temp_thresholded = (y_pred_filtered >= t).astype(int)
                 prec[f"{t:.2f}"] = precision_score(
                     y_test_filtered, temp_thresholded, zero_division=0
@@ -3004,7 +3020,14 @@ class PackageBasedModel(EPModel):
             return acc, prec, rec
 
         def evaluate_mg(model, pathways: Union[QuerySet["Pathway"] | List["Pathway"]], threshold):
-            thresholds = np.arange(0.1, 1.1, 0.1)
+            thresholds = list(np.arange(0, 1.05, 0.05))
+
+            # Add specific threshold set during object creation if not already present
+            if np.float64(threshold) not in thresholds:
+                thresholds.append(np.float64(threshold))
+                thresholds.sort()
+
+            logger.info(f"Thresholds: {thresholds}")
 
             precision = {f"{t:.2f}": [] for t in thresholds}
             recall = {f"{t:.2f}": [] for t in thresholds}
@@ -3030,7 +3053,7 @@ class PackageBasedModel(EPModel):
 
             s = Setting()
             s.model = mod
-            s.model_threshold = thresholds.min()
+            s.model_threshold = 0.0
             s.max_depth = 10
             s.max_nodes = 50
 

epdb/views.py

@@ -523,6 +523,7 @@ def batch_predict_pathway(request):
     context = get_base_context(request)
     context["title"] = "enviPath - Batch Predict Pathway"
     context["meta"]["current_package"] = context["meta"]["user"].default_package
+    context["batch_predict_max_compounds"] = s.BATCH_PREDICT_MAX_COMPOUNDS
 
     return render(request, "batch_predict_pathway.html", context)
 
@@ -1918,6 +1919,21 @@ def package_reactions(request, package_uuid):
         reaction_name = request.POST.get("reaction-name")
         reaction_description = request.POST.get("reaction-description")
         reaction_smiles = request.POST.get("reaction-smiles")
+
+        if reaction_smiles is None or reaction_smiles.strip() == "":
+            return error(
+                request,
+                "Reaction SMILES is empty / missing",
+                "No reaction SMILES provided. Please provide a SMILES for the reaction.",
+            )
+
+        if not FormatConverter.is_valid_smirks(reaction_smiles):
+            return error(
+                request,
+                "Reaction SMILES is invalid",
+                f"The provided reactions SMILES {reaction_smiles} is invalid",
+            )
+
         educts = reaction_smiles.split(">>")[0].split(".")
         products = reaction_smiles.split(">>")[1].split(".")
 

epiuclid/serializers/pathway_mapper.py

@@ -120,13 +120,6 @@ class PathwayMapper:
             )
             bundle.reference_substances.append(ref_sub)
 
-            sub = IUCLIDSubstanceData(
-                uuid=sub_uuid,
-                name=compound.name,
-                reference_substance_uuid=ref_sub_uuid,
-            )
-            bundle.substances.append(sub)
-
         if not export.compounds:
             return bundle
 
@@ -145,6 +138,16 @@ class PathwayMapper:
         if not root_compound_pks:
             return bundle
 
+        for root_pk in root_compound_pks:
+            root_sub_uuid, root_ref_uuid = seen_compounds[root_pk]
+            bundle.substances.append(
+                IUCLIDSubstanceData(
+                    uuid=root_sub_uuid,
+                    name=compound_names[root_pk],
+                    reference_substance_uuid=root_ref_uuid,
+                )
+            )
+
         edge_templates: list[tuple[UUID, frozenset[int], tuple[int, ...], tuple[UUID, ...]]] = []
         for edge in sorted(export.edges, key=lambda item: str(item.edge_uuid)):
             parent_compound_pks = sorted(

epiuclid/tests/test_api.py

@@ -70,8 +70,7 @@ class IUCLIDExportAPITest(TestCase):
             names = zf.namelist()
             self.assertIn("manifest.xml", names)
             i6d_files = [n for n in names if n.endswith(".i6d")]
-            # 2 substances + 2 ref substances + 1 ESR = 5 i6d files
-            self.assertEqual(len(i6d_files), 5)
+            self.assertEqual(len(i6d_files), 4)
 
     def test_anonymous_returns_401(self):
         self.client.logout()

epiuclid/tests/test_i6z.py

@@ -7,6 +7,11 @@ from uuid import uuid4
 
 from django.test import SimpleTestCase, tag
 
+from epapi.v1.interfaces.iuclid.dto import (
+    PathwayCompoundDTO,
+    PathwayEdgeDTO,
+    PathwayExportDTO,
+)
 from epiuclid.serializers.i6z import I6ZSerializer
 from epiuclid.serializers.pathway_mapper import (
     IUCLIDDocumentBundle,
@@ -14,9 +19,24 @@ from epiuclid.serializers.pathway_mapper import (
     IUCLIDReferenceSubstanceData,
     IUCLIDSubstanceData,
     IUCLIDTransformationProductEntry,
+    PathwayMapper,
 )
 
 
+def _unlinked_documents(manifest_xml: str) -> list[tuple[str | None, str]]:
+    ns = "http://iuclid6.echa.europa.eu/namespaces/manifest/v1"
+    root = ET.fromstring(manifest_xml)
+    base = root.findtext(f"{{{ns}}}base-document-uuid")
+    linked_targets: set[str | None] = {base}
+    docs: dict[str, str | None] = {}
+    for doc in root.findall(f".//{{{ns}}}document"):
+        uuid = doc.findtext(f"{{{ns}}}uuid")
+        docs[uuid] = doc.findtext(f"{{{ns}}}type")
+        for link in doc.findall(f"{{{ns}}}links/{{{ns}}}link"):
+            linked_targets.add(link.findtext(f"{{{ns}}}ref-uuid"))
+    return [(doc_type, uuid) for uuid, doc_type in docs.items() if uuid not in linked_targets]
+
+
 def _make_bundle() -> IUCLIDDocumentBundle:
     ref_uuid = uuid4()
     sub_uuid = uuid4()
@@ -197,3 +217,29 @@ class I6ZSerializerTest(SimpleTestCase):
             }
             self.assertIn(parent_ref_key, reference_links)
             self.assertIn(product_ref_key, reference_links)
+
+    def test_multi_compound_pathway_has_no_unlinked_documents(self):
+        compounds = [
+            PathwayCompoundDTO(pk=1, name="Root", smiles="c1ccccc1"),
+            PathwayCompoundDTO(pk=2, name="P1", smiles="CCO"),
+            PathwayCompoundDTO(pk=3, name="P2", smiles="CCN"),
+            PathwayCompoundDTO(pk=4, name="P3", smiles="CCC"),
+        ]
+        export = PathwayExportDTO(
+            pathway_uuid=uuid4(),
+            pathway_name="Regression Pathway",
+            compounds=compounds,
+            edges=[
+                PathwayEdgeDTO(edge_uuid=uuid4(), start_compound_pks=[1], end_compound_pks=[2]),
+                PathwayEdgeDTO(edge_uuid=uuid4(), start_compound_pks=[1], end_compound_pks=[3]),
+                PathwayEdgeDTO(edge_uuid=uuid4(), start_compound_pks=[2], end_compound_pks=[4]),
+            ],
+            root_compound_pks=[1],
+        )
+        bundle = PathwayMapper().map(export)
+        data = I6ZSerializer().serialize(bundle)
+
+        with zipfile.ZipFile(io.BytesIO(data)) as zf:
+            manifest_xml = zf.read("manifest.xml").decode("utf-8")
+
+        self.assertEqual(_unlinked_documents(manifest_xml), [])

epiuclid/tests/test_pathway_mapper.py

@@ -31,7 +31,7 @@ class PathwayMapperTest(SimpleTestCase):
         )
         bundle = PathwayMapper().map(export)
 
-        self.assertEqual(len(bundle.substances), 2)
+        self.assertEqual(len(bundle.substances), 1)
         self.assertEqual(len(bundle.reference_substances), 2)
         self.assertEqual(len(bundle.endpoint_study_records), 1)
 
@@ -49,8 +49,7 @@ class PathwayMapperTest(SimpleTestCase):
         )
         bundle = PathwayMapper().map(export)
 
-        # 2 unique compounds -> 2 substances, 2 ref substances
-        self.assertEqual(len(bundle.substances), 2)
+        self.assertEqual(len(bundle.substances), 1)
         self.assertEqual(len(bundle.reference_substances), 2)
         # One endpoint study record per pathway
         self.assertEqual(len(bundle.endpoint_study_records), 1)

static/js/api/additional-information.js

@@ -186,6 +186,40 @@ window.AdditionalInformationApi = {
     return this._handleResponse(response, "createItem");
   },
 
+    /**
+   * Create new additional information and attach it to an object.
+
+   * @param {string} modelName - Name/type of the additional information model
+   * @param {Object} data - Data for the new item
+   * @param {string} attachObjectUrl - UUID of the object this data should be attached to
+   * @param {string} scenarioUuid - UUID of the scenario
+   * @returns {Promise<{status: string, uuid: string}>}
+   */
+  async createItemOnNonScenarioObject(modelName, data, attachObjectUrl, scenarioUuid) {
+    const sanitizedData = this.sanitizePayload(data);
+    this._log("createItemOnNonScenarioObject", { modelName, data: sanitizedData, attachObjectUrl, scenarioUuid });
+
+    sanitizedData.attach_obj_url = attachObjectUrl;
+    if (scenarioUuid) {
+      sanitizedData.scenario_uuid = scenarioUuid;
+    }
+
+
+    // Normalize model name to lowercase
+    const normalizedName = modelName.toLowerCase();
+
+    const response = await fetch(
+      `/api/v1/information/${normalizedName}/`,
+      {
+        method: "POST",
+        headers: this._buildHeaders(),
+        body: JSON.stringify(sanitizedData),
+      },
+    );
+
+    return this._handleResponse(response, "createItemOnNonScenarioObject");
+  },
+
   /**
    * Delete additional information from a scenario
    * @param {string} scenarioUuid - UUID of the scenario

templates/actions/objects/pathway.html

@@ -83,6 +83,19 @@
       <i class="glyphicon glyphicon-edit"></i> Edit Pathway</a
     >
   </li>
+  <li>
+    <a
+      class="button"
+      onclick="
+      const modal = document.getElementById('edit_pathway_node_modal');
+      modal.showModal();
+      window.dispatchEvent(new Event('modal-opened'));
+      return false;
+      "
+    >
+      <i class="glyphicon glyphicon-edit"></i> Edit Compound</a
+    >
+  </li>
   <li>
     <a
       role="button"

templates/actions/objects/scenario.html

@@ -10,7 +10,7 @@
   <li>
     <a
       class="button"
-      onclick="document.getElementById('add_additional_information_modal').showModal(); return false;"
+      onclick="document.getElementById('add_scenario_additional_information_modal').showModal(); return false;"
     >
       <i class="glyphicon glyphicon-trash"></i> Add Additional Information</a
     >

templates/batch_predict_pathway.html

@@ -37,7 +37,8 @@
               class="text-xs text-base-content/50 border-t border-base-300 pt-3"
             >
               <strong>Format:</strong> First column = SMILES, Second column =
-              Name (headers optional) • Maximum 30 rows
+              Name (headers optional) • Maximum
+              {{ batch_predict_max_compoundss|default:150 }} rows
             </div>
           </div>
         </div>
@@ -195,8 +196,7 @@
     // Function to populate table from CSV data
     function populateTableFromCSV(csvData) {
       const lines = csvData.trim().split("\n");
-      const maxRows = 30;
-
+      const maxRows = Number("{{ batch_predict_max_compounds|default:150 }}");
       // Clear existing table
       clearTable();
 

templates/errors/error.html

@@ -51,7 +51,10 @@
               </svg>
               Go Home
             </a>
-            <button onclick="window.history.back()" class="btn btn-outline">
+            <button
+              onclick="window.location.href = document.referrer"
+              class="btn btn-outline"
+            >
               <svg
                 xmlns="http://www.w3.org/2000/svg"
                 class="mr-2 h-5 w-5"

templates/modals/objects/add_scenario_additional_information_modal.html

@@ -1,7 +1,7 @@
 {% load static %}
 <!-- Add Additional Information -->
 <dialog
-  id="add_additional_information_modal"
+  id="add_scenario_additional_information_modal"
   class="modal"
   x-data="{
     isSubmitting: false,
@@ -98,7 +98,7 @@
         );
 
         // Close modal and reload page to show new item
-        document.getElementById('add_additional_information_modal').close();
+        document.getElementById('add_scenario_additional_information_modal').close();
         window.location.reload();
       } catch (err) {
         if (err.isValidationError && err.fieldErrors) {

templates/modals/objects/edit_pathway_node_modal.html

@@ -0,0 +1,276 @@
+{% load static %}
+<!-- Add Additional Information -->
+<dialog
+  id="edit_pathway_node_modal"
+  class="modal"
+  x-data="{
+    isSubmitting: false,
+    selectedType: '',
+    selectedScenario: '',
+    selectedNode: '',
+    schemas: {},
+    loadingSchemas: false,
+    error: null,
+    formData: null,  // Store reference to form data
+    formRenderKey: 0,  // Counter to force form re-render
+    allowedTypes: ['halflife', 'halflifews', 'proposedintermediate', 'transformationproductimportance', 'confidence'],
+    scenarios: [],
+    scenariosLoaded: false,
+
+    // Get sorted unique schema names for dropdown, excluding already-added types
+    get sortedSchemaNames() {
+      const names = Object.keys(this.schemas);
+      // Remove duplicates, exclude existing types, and sort alphabetically by display title
+      const unique = [...new Set(names)];
+      const available = unique.filter(name =>
+        this.allowedTypes.includes(name)
+      );
+      return available.sort((a, b) => {
+        const titleA = (this.schemas[a]?.schema?.['x-title'] || a).toLowerCase();
+        const titleB = (this.schemas[b]?.schema?.['x-title'] || b).toLowerCase();
+        return titleA.localeCompare(titleB);
+      });
+    },
+
+    async init() {
+      // Watch for selectedType changes
+      this.$watch('selectedType', (value) => {
+        // Reset formData when type changes and increment key to force re-render
+        this.formData = null;
+        this.formRenderKey++;
+        // Clear previous errors
+        this.error = null;
+        Alpine.store('validationErrors').clearErrors(); // No context - clears all
+      });
+
+      // Load schemas and existing items
+      try {
+        this.loadingSchemas = true;
+        const [schemasRes, scenarioRes] = await Promise.all([
+          fetch('/api/v1/information/schema/'),
+          fetch('{% url "package scenario list" meta.current_package.uuid %}', { headers: {'Accept': 'application/json' }}),
+        ]);
+
+        if (!schemasRes.ok) throw new Error('Failed to load schemas');
+        if (!scenarioRes.ok) throw new Error('Failed to load scenarios');
+
+        this.schemas = await schemasRes.json();
+        this.scenarios = await scenarioRes.json();
+        // Get unique existing types (normalize to lowercase)
+      } catch (err) {
+        this.error = err.message;
+      } finally {
+        this.loadingSchemas = false;
+      }
+    },
+
+    reset() {
+      this.isSubmitting = false;
+      this.selectedType = '';
+      this.error = null;
+      this.formData = null;
+      this.selectedScenario = '';
+      Alpine.store('validationErrors').clearErrors(); // No context - clears all
+    },
+
+    setFormData(data) {
+      // Fired from schemaRenderer
+      this.formData = data;
+    },
+
+    async submit() {
+      if (!this.selectedType) return;
+      const payload = window.AdditionalInformationApi.sanitizePayload(this.formData || {});
+
+      // Validate that form has data
+      if (!payload || Object.keys(payload).length === 0) {
+        // proposedintermediate is parameterless
+        if (!this.selectedType === 'proposedintermediate') {
+          this.error = 'Please fill in at least one field';
+          return;
+        }
+      }
+
+      this.isSubmitting = true;
+      this.error = null;
+
+      try {
+      // TODO
+        await window.AdditionalInformationApi.createItemOnNonScenarioObject(
+          this.selectedType,
+          payload,
+          this.selectedNode,
+          this.selectedScenario
+        );
+
+        // Close modal and reload page to show new item
+        document.getElementById('edit_pathway_node_modal').close();
+        window.location.reload();
+      } catch (err) {
+        if (err.isValidationError && err.fieldErrors) {
+          // No context for add modal - simple flat errors
+          Alpine.store('validationErrors').setErrors(err.fieldErrors);
+          this.error = err.message || 'Please correct the errors in the form';
+        } else {
+          this.error = err.message || 'An error occurred. Please try again.';
+        }
+      } finally {
+        this.isSubmitting = false;
+      }
+    }
+  }"
+  @close="reset()"
+  @form-data-ready="setFormData($event.detail)"
+  @modal-opened.window="
+   const el = d3.select('circle.highlighted').node();
+   if (el !== null) {
+    const selectElement = document.getElementById('edit_pathway_nodes_node');
+    for (let option of selectElement.options) {
+        if (option.value === el.__data__.url) {
+            option.selected = true;
+            break;
+        }
+    }
+    selectElement.dispatchEvent(new Event('change'));
+   }
+  "
+>
+  <div class="modal-box max-w-2xl">
+    <!-- Header -->
+    <h3 class="text-lg font-bold">Edit Compound</h3>
+
+    <!-- Close button (X) -->
+    <form method="dialog">
+      <button
+        class="btn btn-sm btn-circle btn-ghost absolute top-2 right-2"
+        :disabled="isSubmitting"
+      >
+        ✕
+      </button>
+    </form>
+
+    <!-- Body -->
+    <div class="py-4">
+      <!-- Loading state -->
+      <template x-if="loadingSchemas">
+        <div class="flex items-center justify-center p-4">
+          <span class="loading loading-spinner loading-md"></span>
+        </div>
+      </template>
+
+      <!-- Error state -->
+      <template x-if="error">
+        <div class="alert alert-error mb-4">
+          <span x-text="error"></span>
+        </div>
+      </template>
+      <div class="form-control">
+        <p>
+          If no Scenario is selected a new Scenario will be created and attached
+          to this Pathway
+        </p>
+        <label class="label" for="edit_pathway_nodes_node">
+          <span class="label-text">Select Node</span>
+        </label>
+        <select
+          id="edit_pathway_nodes_node"
+          name="node"
+          class="select select-bordered w-full"
+          x-model="selectedNode"
+        >
+          {% for n in pathway.nodes %}
+            <option value="{{ n.url }}">
+              {{ n.default_node_label.name|safe }}
+            </option>
+          {% endfor %}
+        </select>
+
+        <label class="label" for="scenario-select">
+          <span class="label-text">Scenarios</span>
+        </label>
+        <select
+          id="scenario-select"
+          name="selected-scenarios"
+          class="select select-bordered w-full"
+          x-model="selectedScenario"
+        >
+          <option value="" selected disabled>Select Scenario</option>
+          <template x-for="scenario in scenarios" :key="scenario.url">
+            <option :value="scenario.url" x-text="scenario.name"></option>
+          </template>
+        </select>
+      </div>
+
+      <!-- Schema selection -->
+      <template x-if="!loadingSchemas">
+        <div>
+          <div class="form-control mb-4">
+            <label class="label" for="select-additional-information-type">
+              <span class="label-text">Select the type to add</span>
+            </label>
+            <select
+              id="select-additional-information-type"
+              class="select select-bordered w-full"
+              x-model="selectedType"
+            >
+              <option value="" selected disabled>Select the type to add</option>
+              <template x-for="name in sortedSchemaNames" :key="name">
+                <option
+                  :value="name"
+                  x-text="(schemas[name].schema && (schemas[name].schema['x-title'] || schemas[name].schema.title)) || name"
+                ></option>
+              </template>
+            </select>
+          </div>
+
+          <!-- Form renderer for selected type -->
+          <!-- Use unique key per type to force re-render -->
+          <template x-for="renderKey in [formRenderKey]" :key="renderKey">
+            <div x-show="selectedType && schemas[selectedType]">
+              <div
+                x-data="schemaRenderer({
+                  rjsf: schemas[selectedType],
+                  mode: 'edit'
+                  // No context - single form, backward compatible
+                })"
+                x-init="await init(); $dispatch('form-data-ready', data)"
+              >
+                {% include "components/schema_form.html" %}
+              </div>
+            </div>
+          </template>
+        </div>
+      </template>
+    </div>
+
+    <!-- Footer -->
+    <div class="modal-action">
+      <button
+        type="button"
+        class="btn"
+        onclick="this.closest('dialog').close()"
+        :disabled="isSubmitting"
+      >
+        Close
+      </button>
+      <button
+        type="button"
+        class="btn btn-primary"
+        @click="submit()"
+        :disabled="isSubmitting || loadingSchemas || !selectedType || !selectedNode"
+      >
+        <span x-show="!isSubmitting">Add</span>
+        <span
+          x-show="isSubmitting"
+          class="loading loading-spinner loading-sm"
+        ></span>
+        <span x-show="isSubmitting">Adding...</span>
+      </button>
+    </div>
+  </div>
+
+  <!-- Backdrop -->
+  <form method="dialog" class="modal-backdrop">
+    <button :disabled="isSubmitting">close</button>
+  </form>
+</dialog>

templates/objects/pathway.html

@@ -4,6 +4,8 @@
 
 {% block content %}
   <script src="https://d3js.org/d3.v7.min.js"></script>
+  <script src="{% static 'js/api/additional-information.js' %}"></script>
+
   <style>
     #vizdiv {
       width: 100%;
@@ -97,6 +99,7 @@
     {% include "modals/objects/identify_missing_rules_modal.html" %}
     {% include "modals/objects/generic_copy_object_modal.html" %}
     {% include "modals/objects/edit_pathway_modal.html" %}
+    {% include "modals/objects/edit_pathway_node_modal.html" %}
     {% include "modals/objects/generic_set_aliases_modal.html" %}
     {% include "modals/objects/generic_set_scenario_modal.html" %}
     {% include "modals/objects/delete_pathway_node_modal.html" %}

templates/objects/scenario.html

@@ -7,7 +7,7 @@
 
   {% block action_modals %}
     {% include "modals/objects/edit_scenario_modal.html" %}
-    {% include "modals/objects/add_additional_information_modal.html" %}
+    {% include "modals/objects/add_scenario_additional_information_modal.html" %}
     {% include "modals/objects/update_scenario_additional_information_modal.html" %}
     {% include "modals/objects/generic_delete_modal.html" %}
   {% endblock action_modals %}