Fix day-2 cell rehydration and add record-level license default

assets/schemas/cell-instance.schema.json

@@ -256,6 +256,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

assets/schemas/cell-spec.schema.json

@@ -406,6 +406,11 @@
       "type": "string",
       "description": "Usable extinguishing agent for the battery (EU Battery Regulation Annex VI Part A)."
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

assets/schemas/test-protocol.schema.json

@@ -251,6 +251,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

assets/schemas/test.schema.json

@@ -283,6 +283,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

src/battinfo/data/schemas/cell-instance.schema.json

@@ -256,6 +256,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

src/battinfo/data/schemas/cell-spec.schema.json

@@ -406,6 +406,11 @@
       "type": "string",
       "description": "Usable extinguishing agent for the battery (EU Battery Regulation Annex VI Part A)."
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

src/battinfo/data/schemas/test-protocol.schema.json

@@ -251,6 +251,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

src/battinfo/data/schemas/test.schema.json

@@ -283,6 +283,11 @@
         "type": "string"
       }
     },
+    "license": {
+      "type": "string",
+      "minLength": 1,
+      "description": "License under which this record and its data are released, as an SPDX license identifier (e.g. \"cc-by-4.0\") or a license URL. Stamped from the workspace default (ws.license) and emitted as dcterms:license in JSON-LD."
+    },
     "funding": {
       "$ref": "#/$defs/Funding"
     },

src/battinfo/jsonld.py

@@ -606,6 +606,13 @@ def record_to_jsonld(record: dict, record_type: str, *, context: str = "url") ->
         people = contributor_to_jsonld(record.get("contributor"))
         if people is not None:
             node["schema:contributor"] = people
+        # Record-level license (FAIR R1.1) → dcterms:license, the same convention
+        # the dataset emitter uses. Cell specs/instances/tests carry it at the
+        # record top level (stamped from the workspace default); datasets carry it
+        # on the dataset body and emit it from dataset_to_jsonld, so this only
+        # reaches the non-dataset record kinds.
+        if record.get("license") and "dcterms:license" not in node:
+            node["dcterms:license"] = {"@id": record["license"]}
     if context == "url" and isinstance(node.get("@context"), dict):
         # Swap the inline records context for the hosted reference. Only the
         # records-context nodes (a dict @context) are affected; material/component

src/battinfo/validate/publication.py

@@ -176,6 +176,33 @@ def _test_condition_issues(data: dict[str, Any], policy: ValidationPolicy) -> Va
     return ValidationReport(issues=tuple(issues), policy=policy)
 
 
+def _license_issues(data: dict[str, Any], policy: ValidationPolicy) -> ValidationReport:
+    """Warn (never block) when the published catalog carries no license — a FAIR R1.1
+    nudge to set one so every served record states its reuse terms. Mirrors the
+    contributor/attribution nudge in tone: a warning pointing at ``ws.license(...)``,
+    not a publish blocker. Only the top catalog node is checked; per-member licenses
+    are propagated from it by the builder."""
+    issues: list[ValidationIssue] = []
+    for path, node in _graph_nodes(data):
+        types = _type_values(node)
+        if "dcat:Catalog" not in types and "schema:DataCatalog" not in types:
+            continue
+        if node.get("schema:license") or node.get("dcterms:license"):
+            continue
+        _append_issue(
+            issues,
+            code="publication.license_missing",
+            severity="warning",  # explicit: a nudge, not a publish blocker
+            path=path,
+            message=(
+                "No license on the published record; consumers cannot tell how they "
+                "may reuse the data (FAIR R1.1). Set a default with "
+                'ws.license("cc-by-4.0") before publishing.'
+            ),
+        )
+    return ValidationReport(issues=tuple(issues), policy=policy)
+
+
 def _is_absolute_uri(value: Any) -> bool:
     if not isinstance(value, str) or not value:
         return False
@@ -379,6 +406,7 @@ def validate_publication_report(
         _shape_issues(data, resolved_policy),
         _shacl_publication_report(data, resolved_policy),
         _test_condition_issues(data, resolved_policy),
+        _license_issues(data, resolved_policy),
         policy=resolved_policy,
     )