Added value: +{
+  "description": "Document date of the related work (YYYY-MM-DD), the date rows are ordered by within each relation type and direction. Absent when CELLAR records none; such rows sort last.",
+  "type": "string"
+}

Added value: +{
+  "description": "The related work's English title, whole. Absent when the work has no English title — most national_transposition measures are titled only in their member state's language — with no other language substituted.",
+  "type": "string"
+}

Previous value: -"CELLAR work resource URI to traverse (e.g. http://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1). Used directly as the addressed work; its CELEX identity is resolved for relation-specific act matching, and act-matched relation types stand down when the work carries several CELEX numbers — address such a work by celex_number to name the act you mean. Provide exactly one of celex_number or work_uri."New value: +"CELLAR work resource URI to traverse (e.g. http://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1). Used directly as the addressed work; its CELEX identity is resolved for the national_transposition act match, which stands down when the work carries several CELEX numbers — address such a work by celex_number to name the act you mean. Provide exactly one of celex_number or work_uri."

Previous value: -"Requested relation types that returned zero relations in THIS page. Page-scoped: a type can appear here because all its edges sit beyond the current offset/limit window, not only because the act genuinely has none of that relation — so absent-from-here does not prove absent-in-CELLAR. An empty first page throws no_relations; an exhausted non-zero page returns all requested types here."New value: +"Requested relation types that returned zero relations in THIS page. Page-scoped: a type can appear here because all its edges sit beyond the current offset/limit window, not only because the act genuinely has none of that relation — so absent-from-here does not prove absent-in-CELLAR. An empty page — a first page with no edges, or an exhausted later page — returns all requested types here."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_identifier_args`: Neither celex_number nor work_uri was provided, or both were. `not_found`: CELEX number not found in CELLAR — resolve the identifier with eurlex_lookup_celex first. `no_relations`: The first page (offset 0) was empty — the work exists but has no CDM relations of the requested types. A later page that comes back empty returns an empty success instead. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_identifier_args`: Neither celex_number nor work_uri was provided, or both were. `not_found`: CELEX number not found in CELLAR — resolve the identifier with eurlex_lookup_celex first. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "invalid_identifier_args",
-  "not_found",
-  "no_relations"
-]New value: +[
+  "invalid_identifier_args",
+  "not_found"
+]

Added value: +{
+  "description": "Guidance for the next call: on an empty first page, how to widen the traversal; on a page with more rows, the offset to continue from.",
+  "type": "string"
+}

Added value: +{
+  "description": "ISO 3166-1 alpha-3 code of the member state whose national measure this is (e.g. \"CZE\"), read from the three letters after the directive number in related_celex_number. Present on national_transposition rows only. The codes are the 27 member states plus \"GBR\" (the United Kingdom).",
+  "type": "string"
+}

Added value: +[
+  {
+    "const": "",
+    "type": "string"
+  },
+  {
+    "description": "CELEX number of the work (e.g. 32016R0679). Surrounding whitespace is trimmed and the value is uppercased before validation.",
+    "pattern": "^[0-9A-Z][0-9A-Z()/_-]{5,}$",
+    "type": "string"
+  }
+]

Removed value: -"string"

Previous value: -"Maximum related works per relation type and direction (1–100, default 100). Incoming edges are ordered newest-first, so the cap keeps the newest — page with offset for older ones. When truncated is true, at least one direction filled its cap."New value: +"Maximum related works per relation type and direction (1–100, default 100). Incoming edges are ordered newest-first, so the cap keeps the newest — page with offset for older ones."

Previous value: -"Subset of relation types to return; omit for all. Types: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis (treaty/article this act rests on), consolidated_version (consolidated texts of this act)."New value: +"Subset of relation types to return; omit for all. Types: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis (treaty/article this act rests on), consolidated_version (consolidated texts of this act), national_transposition (member-state implementing measures)."

Previous value: -[
-  "cites",
-  "amends",
-  "amended_by",
-  "repeals",
-  "repealed_by",
-  "implicitly_repeals",
-  "implicitly_repealed_by",
-  "legal_basis",
-  "consolidated_version"
-]New value: +[
+  "cites",
+  "amends",
+  "amended_by",
+  "repeals",
+  "repealed_by",
+  "implicitly_repeals",
+  "implicitly_repealed_by",
+  "legal_basis",
+  "consolidated_version",
+  "national_transposition"
+]

Previous value: -"CELLAR work resource URI to traverse (e.g. http://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1). Used directly without CELEX resolution. Provide exactly one of celex_number or work_uri."New value: +"CELLAR work resource URI to traverse (e.g. http://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1). Used directly as the addressed work; its CELEX identity is resolved for relation-specific act matching, and act-matched relation types stand down when the work carries several CELEX numbers — address such a work by celex_number to name the act you mean. Provide exactly one of celex_number or work_uri."

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "work_uri",
-      "relations",
-      "total",
-      "offset",
-      "requested_relation_types",
-      "empty_relation_types"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "work_uri",
+      "relations",
+      "total",
+      "offset",
+      "has_more",
+      "requested_relation_types",
+      "empty_relation_types"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Previous value: -"The per-direction cap applied to this page."New value: +"The per-direction cap. It bounds each relation type and each direction independently, so it is not an upper bound on shown: a page spanning several types and both directions can return more relations than this number."

Previous value: -"CELEX number of the source work whose relations were traversed. Absent when addressed directly by work_uri."New value: +"CELEX number of the source work whose relations were traversed — the celex_number input, or the CELEX resolved from work_uri when the addressed work carries exactly one. Absent when the addressed work carries none, carries several, or its identity was not resolved because no requested relation type needs it."

Previous value: -"Requested relation types that returned zero relations in THIS page. Page-scoped: a type can appear here because all its edges sit beyond the current offset/limit window, not only because the act genuinely has none of that relation — so absent-from-here does not prove absent-in-CELLAR. When every requested type is empty the tool throws no_relations instead."New value: +"Requested relation types that returned zero relations in THIS page. Page-scoped: a type can appear here because all its edges sit beyond the current offset/limit window, not only because the act genuinely has none of that relation — so absent-from-here does not prove absent-in-CELLAR. An empty first page throws no_relations; an exhausted non-zero page returns all requested types here."

Previous value: -"Machine-readable failure mode. Declared by this tool: `invalid_identifier_args`: Neither celex_number nor work_uri was provided, or both were. `not_found`: CELEX number not found in CELLAR — resolve the identifier with eurlex_lookup_celex first. `no_relations`: Work exists but has no CDM relations of the requested types. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `invalid_identifier_args`: Neither celex_number nor work_uri was provided, or both were. `not_found`: CELEX number not found in CELLAR — resolve the identifier with eurlex_lookup_celex first. `no_relations`: The first page (offset 0) was empty — the work exists but has no CDM relations of the requested types. A later page that comes back empty returns an empty success instead. Other values are possible when a failure originates below the handler."

Added value: +{
+  "description": "True only when at least one requested relation type/direction returned an additional valid row beyond this page.",
+  "type": "boolean"
+}

Added value: +{
+  "description": "Offset for the next page. Present only when has_more is true.",
+  "type": "number"
+}

Previous value: -"Type of relation: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis, consolidated_version."New value: +"Type of relation: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis, consolidated_version, national_transposition."

Previous value: -"Number of relations returned in this page."New value: +"Number of relations returned in this page, summed across every relation type and direction — not the count for any single type or direction."

Previous value: -"Number of relations returned in this page (not a corpus-wide count). A direction that filled its cap sets truncated — page with offset for the rest."New value: +"Number of relations returned in this page (not a corpus-wide count)."

Previous value: -"True when at least one relation type/direction filled its per-direction cap and more related works may exist — page with offset."New value: +"True when an additional valid row proves at least one relation type/direction has more related works — page with offset."

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "work_uri",
+      "relations",
+      "total",
+      "offset",
+      "requested_relation_types",
+      "empty_relation_types"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `invalid_identifier_args`: Neither celex_number nor work_uri was provided, or both were. `not_found`: CELEX number not found in CELLAR — resolve the identifier with eurlex_lookup_celex first. `no_relations`: Work exists but has no CDM relations of the requested types. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "invalid_identifier_args",
+            "not_found",
+            "no_relations"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "work_uri",
-  "relations",
-  "total",
-  "offset",
-  "requested_relation_types",
-  "empty_relation_types"
-]

Added value: +{
+  "description": "Requested relation types that returned zero relations in THIS page. Page-scoped: a type can appear here because all its edges sit beyond the current offset/limit window, not only because the act genuinely has none of that relation — so absent-from-here does not prove absent-in-CELLAR. When every requested type is empty the tool throws no_relations instead.",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "The relation types this request traversed — the explicit relation_types list, or all types when it was omitted. Diff against the types present in relations[], or read empty_relation_types, to confirm which requested types returned edges.",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}

Previous value: -[
-  "work_uri",
-  "relations",
-  "total",
-  "offset"
-]New value: +[
+  "work_uri",
+  "relations",
+  "total",
+  "offset",
+  "requested_relation_types",
+  "empty_relation_types"
+]

Previous value: -"Maximum related works to return per relation type and per direction (1–100). Defaults to 100. Incoming edges (e.g. works that cite this act) are ordered by document date descending, so the cap keeps the newest — page with offset for older ones. For the symmetric cites relation, outgoing and incoming each get this budget independently. When truncated is true, at least one direction filled its cap and more may exist."New value: +"Maximum related works per relation type and direction (1–100, default 100). Incoming edges are ordered newest-first, so the cap keeps the newest — page with offset for older ones. When truncated is true, at least one direction filled its cap."

Previous value: -"Pagination offset applied per relation type and per direction — number of related works to skip. Defaults to 0. Page forward by adding limit each call; incoming edges are ordered newest-first, so higher offsets reach older works."New value: +"Pagination offset applied per relation type and direction — related works to skip (default 0). Page forward by adding limit; incoming edges are newest-first, so higher offsets reach older works."

Previous value: -"Subset of relation types to return. Omit to return all types: cites (citation graph), amends (what this work amends), amended_by (what amends this work), repeals (what this work explicitly repeals), repealed_by (what explicitly repealed this work), implicitly_repeals (what this work implicitly repeals), implicitly_repealed_by (what implicitly repealed this work), legal_basis (treaty/treaty article this act is based on), consolidated_version (consolidated versions of this act)."New value: +"Subset of relation types to return; omit for all. Types: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis (treaty/article this act rests on), consolidated_version (consolidated texts of this act)."

Previous value: -"CELEX number of the source work whose relations were traversed. Absent when the work was addressed directly by work_uri."New value: +"CELEX number of the source work whose relations were traversed. Absent when addressed directly by work_uri."

Previous value: -"Number of relations returned in this page (not a corpus-wide count). A direction that filled its per-direction cap sets truncated — page with offset for the rest."New value: +"Number of relations returned in this page (not a corpus-wide count). A direction that filled its cap sets truncated — page with offset for the rest."

Added value: +{
+  "default": 100,
+  "description": "Maximum related works to return per relation type and per direction (1–100). Defaults to 100. Incoming edges (e.g. works that cite this act) are ordered by document date descending, so the cap keeps the newest — page with offset for older ones. For the symmetric cites relation, outgoing and incoming each get this budget independently. When truncated is true, at least one direction filled its cap and more may exist.",
+  "maximum": 100,
+  "minimum": 1,
+  "type": "integer"
+}

Added value: +{
+  "default": 0,
+  "description": "Pagination offset applied per relation type and per direction — number of related works to skip. Defaults to 0. Page forward by adding limit each call; incoming edges are ordered newest-first, so higher offsets reach older works.",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}

Added value: +{
+  "description": "The per-direction cap applied to this page.",
+  "type": "number"
+}

Added value: +{
+  "description": "Pagination offset applied to this response (per relation type and direction).",
+  "type": "number"
+}

Added value: +{
+  "description": "Number of relations returned in this page.",
+  "type": "number"
+}

Previous value: -"Total number of direct CDM relations returned."New value: +"Number of relations returned in this page (not a corpus-wide count). A direction that filled its per-direction cap sets truncated — page with offset for the rest."

Added value: +{
+  "description": "True when at least one relation type/direction filled its per-direction cap and more related works may exist — page with offset.",
+  "type": "boolean"
+}

Previous value: -[
-  "work_uri",
-  "relations",
-  "total"
-]New value: +[
+  "work_uri",
+  "relations",
+  "total",
+  "offset"
+]

Previous value: -"Subset of relation types to return. Omit to return all types: cites (citation graph), amends (what this work amends), amended_by (what amends this work), legal_basis (treaty/treaty article this act is based on), consolidated_version (consolidated versions of this act)."New value: +"Subset of relation types to return. Omit to return all types: cites (citation graph), amends (what this work amends), amended_by (what amends this work), repeals (what this work explicitly repeals), repealed_by (what explicitly repealed this work), implicitly_repeals (what this work implicitly repeals), implicitly_repealed_by (what implicitly repealed this work), legal_basis (treaty/treaty article this act is based on), consolidated_version (consolidated versions of this act)."

Previous value: -[
-  "cites",
-  "amends",
-  "amended_by",
-  "legal_basis",
-  "consolidated_version"
-]New value: +[
+  "cites",
+  "amends",
+  "amended_by",
+  "repeals",
+  "repealed_by",
+  "implicitly_repeals",
+  "implicitly_repealed_by",
+  "legal_basis",
+  "consolidated_version"
+]

Previous value: -"Type of relation: cites, amends, amended_by, legal_basis, consolidated_version."New value: +"Type of relation: cites, amends, amended_by, repeals, repealed_by, implicitly_repeals, implicitly_repealed_by, legal_basis, consolidated_version."

Previous value: -"Subset of relation types to return. Omit to return all types: cites (citation graph), amends (what this work amends), amended_by (what amends this work), legal_basis (treaty/treaty article this act is based on), consolidated_version (current consolidated text)."New value: +"Subset of relation types to return. Omit to return all types: cites (citation graph), amends (what this work amends), amended_by (what amends this work), legal_basis (treaty/treaty article this act is based on), consolidated_version (consolidated versions of this act)."

Previous value: -"CELEX number of the work to traverse (e.g. 32016R0679). Preferred identifier."New value: +"CELEX number of the work to traverse (e.g. 32016R0679). Provide exactly one of celex_number or work_uri."

Removed value: -1

Previous value: -"CELLAR work URI as alternative to celex_number. Used if celex_number resolves to no work."New value: +"CELLAR work resource URI to traverse (e.g. http://publications.europa.eu/resource/cellar/3e485e15-11bd-11e6-ba9a-01aa75ed71a1). Used directly without CELEX resolution. Provide exactly one of celex_number or work_uri."

Removed value: -[
-  "celex_number"
-]

Previous value: -"CELEX number of the source work whose relations were traversed."New value: +"CELEX number of the source work whose relations were traversed. Absent when the work was addressed directly by work_uri."

Previous value: -"CELLAR URI of the source work (resolved from the CELEX number)."New value: +"CELLAR URI of the source work (the work_uri input, or resolved from the CELEX)."

Previous value: -[
-  "celex_number",
-  "relations",
-  "total"
-]New value: +[
+  "work_uri",
+  "relations",
+  "total"
+]