Added value: +{
+  "description": "Authenticated Minds workspace link for the Study.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Previous value: -"Answers to the draft confirmation questions."New value: +"Answers to the draft confirmation questions. Not with questions in the same call (refused): answer a fixed instrument's confirmation questions with draftPlanId, revision and answers alone, which keeps its questions exactly."

Previous value: -"Explicit response-format edits, one entry per question. Each entry needs questionId (from the latest draft) plus the type the question actually calls for: categorical for one choice, multiselect for several (with maxSelections), ranking when every Mind orders all categoricalOptions, scale with an inclusive finite numeric scaleRange, and qualitative only for a genuinely open answer. Use this to correct an item whose options ended up inside its text."New value: +"Explicit response-format edits, one entry per question. Each entry needs questionId (from the latest draft) plus the type the question actually calls for: categorical for one choice, multiselect for several (with maxSelections), ranking when every Mind orders all categoricalOptions, scale with an inclusive finite numeric scaleRange, and qualitative only for a genuinely open answer. Use this to correct an item whose options ended up inside its text. Not with questions in the same call (refused): a fixed instrument states each item's format in questions.response."

Previous value: -"How the user wants the existing draft changed."New value: +"How the user wants the existing draft changed, in the user's terms. Never tool errors, status or retry messages, Minds or other internal links, or your own process notes. Not with questions in the same call (refused): to change a fixed instrument, send the changed instrument as questions."

Previous value: -"Fixed instrument: use INSTEAD of request when the user supplies a pre-registered or fixed questionnaire whose wording, order, and response formats must not change. The planner is bypassed; every question is stored verbatim, in this order, with exactly this response contract. Cannot be combined with refinement, answers, questionResponses, or suggestQuestionStimuli in the same call; answer the draft's confirmation questions afterwards with draft.id, draft.revision and draft.answers alone, which keeps these questions exactly. Repeated question texts or colliding ids are rejected. A saved Study template's configuration.questions can be passed here (each item's text and response); pass its configuration.methodId as policy.methodId so the template's method runs. Without it a fixed instrument runs as Custom research (guided-research)."New value: +"Fixed instrument: use INSTEAD of request when the user supplies a pre-registered or fixed questionnaire whose wording, order, and response formats must not change. The planner is bypassed; every question is stored verbatim, in this order, with exactly this response contract. Cannot be combined with refinement, answers or questionResponses in the same call (refused); suggestQuestionStimuli has no effect here, place files with questionAttachments; answer the draft's confirmation questions afterwards with draft.id, draft.revision and draft.answers alone, which keeps these questions exactly. Repeated question texts or colliding ids are rejected. A saved Study template's configuration.questions can be passed here (each item's text and response); pass its configuration.methodId as policy.methodId so the template's method runs. Without it a fixed instrument runs as Custom research (guided-research)."

Previous value: -"Planner input containing the research objective, questionnaire, survey, battery, section, cohesive question set, audit request, or analysis request. Required for a new draft. Include EVERY question already known in this one request so the planner can group the complete set into cohesive named modules for one confirmed multi-question run inside the Study; never create one planning request per known question. This request is not sent verbatim to Minds; the exact proposed respondent-visible questions are returned in the draft for review."New value: +"Planner input containing the research objective, questionnaire, survey, battery, section, cohesive question set, audit request, or analysis request. Required for a new draft. Include EVERY question already known in this one request so the planner can group the complete set into cohesive named modules for one confirmed multi-question run inside the Study; never create one planning request per known question. This request is not sent verbatim to Minds; the exact proposed respondent-visible questions are returned in the draft for review. Write only the user's research brief and context relevant to the research question. Never tool errors, status or retry messages, Minds or other internal links, or your own process notes."

Previous value: -"The one main source this study is about. When Minds must evaluate pasted text, use kind prompt and put the exact respondent-visible material in content. Keep research objectives, requested questions, and planner-only instructions in request. Accepts a public HTTP(S) URL or a file already in the user's Minds uploads under chat/<userId>/ (its storage path or its /api/uploads/chat/ URL). MCP cannot read a local path. Files shared in the conversation (uploaded or generated images, PDFs, documents) go in the tool's top-level conversationFiles field where the tool has one; elsewhere a PDF or image without a public URL has no MCP route and is uploaded in the Minds app first. Plain text contents (UTF-8 text, Markdown, CSV, JSON) can go to import_audience_sources. External URLs are copied into Minds storage before a Study is saved or run. temp/, portfolio/ and context/ paths and /api/uploads/file-access/ URLs belong to other owners and are not accepted. A Study does not start until Minds can read every file."New value: +"The one main source this study is about. When Minds must evaluate pasted text, use kind prompt and put the exact respondent-visible material in content. Keep research objectives, requested questions, and planner-only instructions in request. Content is only the material respondents judge; the planner sets aside anything else it finds there. Accepts a public HTTP(S) URL or a file already in the user's Minds uploads under chat/<userId>/ (its storage path or its /api/uploads/chat/ URL). MCP cannot read a local path. Files shared in the conversation (uploaded or generated images, PDFs, documents) go in the tool's top-level conversationFiles field where the tool has one; elsewhere a PDF or image without a public URL has no MCP route and is uploaded in the Minds app first. Plain text contents (UTF-8 text, Markdown, CSV, JSON) can go to import_audience_sources. External URLs are copied into Minds storage before a Study is saved or run. temp/, portfolio/ and context/ paths and /api/uploads/file-access/ URLs belong to other owners and are not accepted. A Study does not start until Minds can read every file."

Previous value: -"Exact respondent-visible pasted text. Use only with kind prompt when Minds must evaluate a concept, message, description, or other text. Do not include planner-only instructions."New value: +"Exact respondent-visible pasted text: the material the user shared for the Minds to judge. Use only with kind prompt when Minds must evaluate a concept, message, description, or other text. Do not include planner-only instructions. Never tool errors, status or retry messages, Minds or other internal links, or your own process notes."

Previous value: -"Default true. Lets the planner assign each attached file or website to one or more questions (attachmentIds on those questions). Pass false to leave questions unassigned unless questionAttachments names them."New value: +"Default true. Lets the planner assign each attached file or website to one or more questions (attachmentIds on those questions). Pass false to leave questions unassigned unless questionAttachments names them. Only planned drafts (request) use it: with questions (a fixed instrument) no planner runs and it has no effect, so place files on those questions with questionAttachments."

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "condition": {
+        "additionalProperties": false,
+        "properties": {
+          "assignmentId": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "levelIds": {
+            "items": {
+              "type": "string"
+            },
+            "maxItems": 100,
+            "minItems": 1,
+            "type": "array"
+          }
+        },
+        "required": [
+          "assignmentId",
+          "levelIds"
+        ],
+        "type": "object"
+      },
+      "label": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "options": {
+        "items": {
+          "type": "string"
+        },
+        "maxItems": 100,
+        "minItems": 2,
+        "type": "array"
+      }
+    },
+    "required": [
+      "condition",
+      "label",
+      "options"
+    ],
+    "type": "object"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "condition": {
+        "additionalProperties": false,
+        "properties": {
+          "assignmentId": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "levelIds": {
+            "items": {
+              "type": "string"
+            },
+            "maxItems": 100,
+            "minItems": 1,
+            "type": "array"
+          }
+        },
+        "required": [
+          "assignmentId",
+          "levelIds"
+        ],
+        "type": "object"
+      },
+      "label": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "options": {
+        "items": {
+          "type": "string"
+        },
+        "maxItems": 100,
+        "minItems": 2,
+        "type": "array"
+      }
+    },
+    "required": [
+      "condition",
+      "label",
+      "options"
+    ],
+    "type": "object"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 100,
+  "minItems": 1,
+  "type": "array"
+}

Previous value: -"Save exact edits to draftPlanId and revision without a model call. Preserves method configuration, source policy, item IDs and exact wording. Questions are the complete selected instrument in module order, including each item's askIf (omitted means none); method-specific batteries are read-only. Cannot combine with planner inputs."New value: +"Save exact edits to draftPlanId and revision without a model call. Preserves method configuration, item IDs and exact wording. Each new revision includes relevant Mind knowledge. Questions are the complete selected instrument in module order, including each item's askIf (omitted means none); method-specific batteries are read-only. Cannot combine with planner inputs."

Previous value: -"Research method, locale and permitted source policies for this plan."New value: +"Research method and locale for this plan. Each Mind automatically uses its relevant knowledge alongside the assigned Study stimulus."

Removed value: -{
-  "description": "Experimental per-Mind treatment assignments stored in the exact draft revision. Each Mind may appear once; unlisted Minds use sourcePolicy. Use only for a preregistered source-policy experiment.",
-  "items": {
-    "additionalProperties": false,
-    "properties": {
-      "mindId": {
-        "description": "Exact Mind UUID in the Study cohort.",
-        "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"
-      },
-      "sourcePolicy": {
-        "description": "Request-scoped evidence treatment for this Mind.",
-        "enum": [
-          "request_only",
-          "auto"
-        ],
-        "type": "string"
-      }
-    },
-    "required": [
-      "mindId",
-      "sourcePolicy"
-    ],
-    "type": "object"
-  },
-  "maxItems": 2000,
-  "type": "array"
-}

Removed value: -{
-  "description": "Evidence policy stored in the draft and reviewed before execution. Defaults to request_only for a controlled Study. Use auto only for an explicitly designed experiment that should allow relevant Mind-knowledge retrieval; response-mode rules still control live web search.",
-  "enum": [
-    "request_only",
-    "auto"
-  ],
-  "type": "string"
-}

Previous value: -"Question-to-file mapping. In multi-asset blocks map every question, using [] for no assets; an omitted question receives every asset and an asset on no question is shown with every question. Each question at most once; every referenced attachment id must resolve."New value: +"Question-to-file mapping. An omitted question receives every asset. An asset placed on no question is shown with every question, including questions mapped to []. Each question at most once; every referenced attachment id must resolve."