Previous value: -"Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."New value: +"Files/images processed once and given to every participating Mind. Pass a fetchable HTTP(S) URL, or an existing Minds workspace upload under chat/<userId>/ (that storage path or its /api/uploads/chat/ URL; request the signed upload with folder \"chat\"). MCP cannot read a local path, and a file the user attached in the chat client is NOT reachable either unless that client also exposes a public URL for it — most do not. When it is not: send the file CONTENTS to import_audience_sources (UTF-8 text, Markdown, CSV, JSON), which takes contents rather than paths. A PDF or image with no public URL has no MCP route at all — it must be uploaded in the Minds app first; say so instead of retrying. Study tools import external file URLs into durable Minds storage before saving or running. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."New value: +"Storage path of a file already uploaded to Minds. Pass a fetchable HTTP(S) URL, or an existing Minds workspace upload under chat/<userId>/ (that storage path or its /api/uploads/chat/ URL; request the signed upload with folder \"chat\"). MCP cannot read a local path, and a file the user attached in the chat client is NOT reachable either unless that client also exposes a public URL for it — most do not. When it is not: send the file CONTENTS to import_audience_sources (UTF-8 text, Markdown, CSV, JSON), which takes contents rather than paths. A PDF or image with no public URL has no MCP route at all — it must be uploaded in the Minds app first; say so instead of retrying. Study tools import external file URLs into durable Minds storage before saving or running. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."New value: +"Fetchable HTTP(S), signed, or Minds workspace upload URL. Pass a fetchable HTTP(S) URL, or an existing Minds workspace upload under chat/<userId>/ (that storage path or its /api/uploads/chat/ URL; request the signed upload with folder \"chat\"). MCP cannot read a local path, and a file the user attached in the chat client is NOT reachable either unless that client also exposes a public URL for it — most do not. When it is not: send the file CONTENTS to import_audience_sources (UTF-8 text, Markdown, CSV, JSON), which takes contents rather than paths. A PDF or image with no public URL has no MCP route at all — it must be uploaded in the Minds app first; say so instead of retrying. Study tools import external file URLs into durable Minds storage before saving or running. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Use knowledge_only to forbid web/request sources and require every answer to be grounded in processed Mind knowledge."New value: +"Use knowledge_only to exclude web and request sources. When relevant Mind knowledge is unavailable, subjective answers use the trained profile and factual answers state the evidence limitation."

Previous value: -"Exactly ONE respondent-visible standalone question or result-dependent adaptive follow-up for every selected Mind. Never concatenate, enumerate, or otherwise place a questionnaire, survey, battery, section, cohesive question set, or two or more known questions in this field. The system may classify or reformat it, but any text here can reach the Minds and influence their answers. Include only the single question, its necessary stimulus, and respondent-facing instructions. Never place planner-only or MCP-client orchestration instructions here. If the question offers a fixed set of answer options, say so in the text as the respondent would read it. A direct question is classified automatically, and a question whose options are only prose can still be answered as free text, which yields no option breakdown. A question whose options must be ranked, or whose exact option labels and order must be preserved, belongs in a planned multi-question block, where each item carries an explicit response contract."New value: +"Exactly ONE respondent-visible standalone question or result-dependent adaptive follow-up for every selected Mind. Never concatenate, enumerate, or otherwise place a questionnaire, survey, battery, section, cohesive question set, or two or more known questions in this field. The system may classify or reformat it, but any text here can reach the Minds and influence their answers. Include only the single question, its necessary stimulus, and respondent-facing instructions. Never place planner-only or MCP-client orchestration instructions here. If the question offers a fixed set of answer options, say so in the text as the respondent would read it. The research reader identifies the question and its answer contract together. Include the complete authored labels, ordering and selection instructions. Numbered answer options do not by themselves make a request a multi-question battery. An invalid or ambiguous reading stops for retry or planning before execution."

Previous value: -"Exactly ONE respondent-visible standalone question or result-dependent adaptive follow-up for every selected Mind. Never concatenate, enumerate, or otherwise place a questionnaire, survey, battery, section, cohesive question set, or two or more known questions in this field. The system may classify or reformat it, but any text here can reach the Minds and influence their answers. Include only the single question, its necessary stimulus, and respondent-facing instructions. Never place planner-only or MCP-client orchestration instructions here."New value: +"Exactly ONE respondent-visible standalone question or result-dependent adaptive follow-up for every selected Mind. Never concatenate, enumerate, or otherwise place a questionnaire, survey, battery, section, cohesive question set, or two or more known questions in this field. The system may classify or reformat it, but any text here can reach the Minds and influence their answers. Include only the single question, its necessary stimulus, and respondent-facing instructions. Never place planner-only or MCP-client orchestration instructions here. If the question offers a fixed set of answer options, say so in the text as the respondent would read it. A direct question is classified automatically, and a question whose options are only prose can still be answered as free text, which yields no option breakdown. A question whose options must be ranked, or whose exact option labels and order must be preserved, belongs in a planned multi-question block, where each item carries an explicit response contract."

Removed value: -{
-  "description": "Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
-  "items": {
-    "properties": {
-      "id": {
-        "description": "Stable asset ID used by questionAttachments to assign this file to specific planned questions.",
-        "maxLength": 255,
-        "minLength": 1,
-        "type": "string"
-      },
-      "name": {
-        "description": "File name visible in the Study.",
-        "minLength": 1,
-        "type": "string"
-      },
-      "path": {
-        "description": "Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
-        "minLength": 1,
-        "type": "string"
-      },
-      "type": {
-        "description": "MIME type when known.",
-        "minLength": 1,
-        "type": "string"
-      },
-      "url": {
-        "description": "Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
-        "minLength": 1,
-        "type": "string"
-      }
-    },
-    "type": "object"
-  },
-  "type": "array"
-}

Added value: +{
+  "description": "Material given to every participating Mind for this question, and the policy governing what else it may use.",
+  "properties": {
+    "attachments": {
+      "description": "Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
+      "items": {
+        "properties": {
+          "id": {
+            "description": "Stable asset ID used by questionAttachments to assign this file to specific planned questions.",
+            "maxLength": 255,
+            "minLength": 1,
+            "type": "string"
+          },
+          "name": {
+            "description": "File name visible in the Study.",
+            "minLength": 1,
+            "type": "string"
+          },
+          "path": {
+            "description": "Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
+            "minLength": 1,
+            "type": "string"
+          },
+          "type": {
+            "description": "MIME type when known.",
+            "minLength": 1,
+            "type": "string"
+          },
+          "url": {
+            "description": "Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset.",
+            "minLength": 1,
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "keywords": {
+      "description": "Search keywords used to gather evidence for this question through v1 /studies/{studyId}/runs.",
+      "items": {
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "label": {
+            "description": "Search keyword or phrase",
+            "type": "string"
+          },
+          "url": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "label"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "links": {
+      "description": "Web pages given to every Mind as evidence for this question through v1 /studies/{studyId}/runs.",
+      "items": {
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "label": {
+            "description": "Human-readable label for the link",
+            "type": "string"
+          },
+          "url": {
+            "description": "URL to fetch as evidence for this question",
+            "type": "string"
+          }
+        },
+        "required": [
+          "label"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "sourcePolicy": {
+      "description": "Use knowledge_only to forbid web/request sources and require every answer to be grounded in processed Mind knowledge.",
+      "enum": [
+        "auto",
+        "knowledge_only"
+      ],
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Removed value: -{
-  "description": "Legacy alias for audienceIds. Accepted for compatibility.",
-  "items": {
-    "type": "string"
-  },
-  "type": "array"
-}

Removed value: -{
-  "description": "Controls prior Study-history carryover for this one direct question. Defaults to none, so this measurement is independent of earlier Study questions. last5 is only for a conversational/adaptive question that requires respondent continuity; it costs roughly 2.4x wall-clock for about 0.6pp of accuracy. followup_only carries history only when the submitted question is classified as a conversational follow-up.",
-  "enum": [
-    "last5",
-    "followup_only",
-    "none"
-  ],
-  "type": "string"
-}

Removed value: -{
-  "description": "Search keywords used to gather evidence for this question through v1 /studies/{studyId}/runs.",
-  "items": {
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "label": {
-        "description": "Search keyword or phrase",
-        "type": "string"
-      },
-      "url": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "label"
-    ],
-    "type": "object"
-  },
-  "type": "array"
-}

Removed value: -{
-  "description": "Web pages given to every Mind as evidence for this question through v1 /studies/{studyId}/runs.",
-  "items": {
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "label": {
-        "description": "Human-readable label for the link",
-        "type": "string"
-      },
-      "url": {
-        "description": "URL to fetch as evidence for this question",
-        "type": "string"
-      }
-    },
-    "required": [
-      "label"
-    ],
-    "type": "object"
-  },
-  "type": "array"
-}

Previous value: -"Optional per-request model override. Must be sent together with provider."New value: +"Model override for this question. Use connection for a verified team model connection, or name with provider; the two are mutually exclusive."

Added value: +{
+  "connection": {
+    "additionalProperties": false,
+    "description": "Verified team model connection ID and current revision. Mutually exclusive with model/provider. Applies to Mind answers and verbatim rendering; supporting analysis retains platform models.",
+    "properties": {
+      "id": {
+        "format": "uuid",
+        "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+        "type": "string"
+      },
+      "revision": {
+        "exclusiveMinimum": 0,
+        "maximum": 9007199254740991,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "id",
+      "revision"
+    ],
+    "type": "object"
+  },
+  "name": {
+    "description": "Optional per-request model override. Must be sent together with provider.",
+    "type": "string"
+  },
+  "provider": {
+    "description": "Provider for the model override. Must be sent together with model.",
+    "enum": [
+      "anthropic",
+      "openai",
+      "google"
+    ],
+    "type": "string"
+  }
+}

Previous value: -"string"New value: +"object"

Removed value: -{
-  "additionalProperties": false,
-  "description": "Verified team model connection ID and current revision. Mutually exclusive with model/provider. Applies to Mind answers and verbatim rendering; supporting analysis retains platform models.",
-  "properties": {
-    "id": {
-      "format": "uuid",
-      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
-      "type": "string"
-    },
-    "revision": {
-      "exclusiveMinimum": 0,
-      "maximum": 9007199254740991,
-      "type": "integer"
-    }
-  },
-  "required": [
-    "id",
-    "revision"
-  ],
-  "type": "object"
-}

Removed value: -{
-  "description": "Study ID (UUID; legacy wire field name: panelId). Omit both panelId and panelName only when continuing the active Study from this MCP session.",
-  "type": "string"
-}

Removed value: -{
-  "description": "Study name (fuzzy matched; legacy wire field name: panelName). Omit both panelName and panelId only when continuing the active Study from this MCP session.",
-  "type": "string"
-}

Removed value: -{
-  "description": "Provider for the model override. Must be sent together with model.",
-  "enum": [
-    "anthropic",
-    "openai",
-    "google"
-  ],
-  "type": "string"
-}

Added value: +{
+  "description": "Shape of each answer, and whether earlier Study questions carry over.",
+  "properties": {
+    "historyMode": {
+      "description": "Controls prior Study-history carryover for this one direct question. Defaults to none, so this measurement is independent of earlier Study questions. last5 is only for a conversational/adaptive question that requires respondent continuity; it costs roughly 2.4x wall-clock for about 0.6pp of accuracy. followup_only carries history only when the submitted question is classified as a conversational follow-up.",
+      "enum": [
+        "last5",
+        "followup_only",
+        "none"
+      ],
+      "type": "string"
+    },
+    "responseForm": {
+      "description": "How long and how shaped each qualitative answer should be: concise is one short message (5-20 words), standard is 1-3 sentences (25-90 words), expanded is 2-5 sentences (70-180 words). Omit to let the question itself decide. Set expanded when the researcher wants narrative depth (interviews, lived experience, reasoning) without editing the question wording, which a fixed instrument must keep exact. Ignored for scale, categorical and multiselect questions.",
+      "enum": [
+        "concise",
+        "standard",
+        "expanded"
+      ],
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Removed value: -{
-  "description": "How long and how shaped each qualitative answer should be: concise is one short message (5-20 words), standard is 1-3 sentences (25-90 words), expanded is 2-5 sentences (70-180 words). Omit to let the question itself decide. Set expanded when the researcher wants narrative depth (interviews, lived experience, reasoning) without editing the question wording, which a fixed instrument must keep exact. Ignored for scale, categorical and multiselect questions.",
-  "enum": [
-    "concise",
-    "standard",
-    "expanded"
-  ],
-  "type": "string"
-}

Removed value: -{
-  "description": "Use knowledge_only to forbid web/request sources and require every answer to be grounded in processed Mind knowledge.",
-  "enum": [
-    "auto",
-    "knowledge_only"
-  ],
-  "type": "string"
-}

Added value: +{
+  "description": "Which Study to ask in. Omit entirely to continue the active Study from this MCP session.",
+  "properties": {
+    "id": {
+      "description": "Study ID (UUID). Omit with studyName to continue the active Study from this MCP session.",
+      "type": "string"
+    },
+    "name": {
+      "description": "Study name (fuzzy matched among the newest 1,000 visible Studies; use studyId for older records). Omit with studyId to continue the active Study from this MCP session.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Removed value: -{
-  "description": "Study ID (UUID). Omit with studyName to continue the active Study from this MCP session.",
-  "type": "string"
-}

Removed value: -{
-  "description": "Study name (fuzzy matched among the newest 1,000 visible Studies; use studyId for older records). Omit with studyId to continue the active Study from this MCP session.",
-  "type": "string"
-}

Previous value: -"Study name (fuzzy matched). Omit with studyId to continue the active Study from this MCP session."New value: +"Study name (fuzzy matched among the newest 1,000 visible Studies; use studyId for older records). Omit with studyId to continue the active Study from this MCP session."

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "properties": {
+    "apiBase": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Minds base URL."
+    },
+    "executionStarted": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "False when nothing was submitted."
+    },
+    "locale": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Study display locale."
+    },
+    "proposedQuestions": {
+      "anyOf": [
+        {
+          "items": {},
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "For planning_required: the respondent questions detected or proposed."
+    },
+    "question": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "The submitted question."
+    },
+    "questionId": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Identifier of this question; pass it to get_study_status to follow only this question."
+    },
+    "runId": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Durable run identifier."
+    },
+    "sharedStudyUrl": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Public share link, or null when link sharing is off."
+    },
+    "status": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "queued once submitted, or planning_required when the request needs a reviewed multi-question plan (nothing was submitted)."
+    },
+    "studyId": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Study the question was asked in."
+    },
+    "workspaceUrl": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Authenticated Minds workspace link for the Study."
+    }
+  },
+  "type": "object"
+}

Added value: +{
+  "description": "How long and how shaped each qualitative answer should be: concise is one short message (5-20 words), standard is 1-3 sentences (25-90 words), expanded is 2-5 sentences (70-180 words). Omit to let the question itself decide. Set expanded when the researcher wants narrative depth (interviews, lived experience, reasoning) without editing the question wording, which a fixed instrument must keep exact. Ignored for scale, categorical and multiselect questions.",
+  "enum": [
+    "concise",
+    "standard",
+    "expanded"
+  ],
+  "type": "string"
+}

Previous value: -"Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."New value: +"Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."New value: +"Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."New value: +"Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. A workspace upload reused as a Study asset must sit under chat/<userId>/: request the signed upload with folder \"chat\" and pass that storage path or its /api/uploads/chat/ URL. A temp/, portfolio/, or context/ path — and any /api/uploads/file-access/ URL — is refused as not belonging to the workspace owner and is never re-fetched; pass a plain external URL instead. The Study refuses to start if Minds cannot read the asset."

Added value: +{
+  "additionalProperties": false,
+  "description": "Verified team model connection ID and current revision. Mutually exclusive with model/provider. Applies to Mind answers and verbatim rendering; supporting analysis retains platform models.",
+  "properties": {
+    "id": {
+      "format": "uuid",
+      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+      "type": "string"
+    },
+    "revision": {
+      "exclusiveMinimum": 0,
+      "maximum": 9007199254740991,
+      "type": "integer"
+    }
+  },
+  "required": [
+    "id",
+    "revision"
+  ],
+  "type": "object"
+}

Added value: +{
+  "description": "Stable asset ID used by questionAttachments to assign this file to specific planned questions.",
+  "maxLength": 255,
+  "minLength": 1,
+  "type": "string"
+}

Previous value: -"Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. The Study refuses to start if Minds cannot read the asset."New value: +"Files/images processed once and given to every participating Mind. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. The Study refuses to start if Minds cannot read the asset."New value: +"Storage path of a file already uploaded to Minds. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."

Previous value: -"Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. The Study refuses to start if Minds cannot read the asset."New value: +"Fetchable HTTP(S), signed, or Minds workspace upload URL. MCP cannot read or upload a local file:// path. Use a fetchable HTTP(S) URL, a signed URL supplied by the client for the attached file, or an existing Minds workspace upload URL/path. Study tools import external file URLs into durable Minds storage before saving or running. The Study refuses to start if Minds cannot read the asset."