diff --git a/src/features/tech-log/contracts/studio/canonical-source.json b/src/features/tech-log/contracts/studio/canonical-source.json
index 7ad0063..128290c 100644
--- a/src/features/tech-log/contracts/studio/canonical-source.json
+++ b/src/features/tech-log/contracts/studio/canonical-source.json
@@ -1,8 +1,8 @@
 {
   "packageId": "@tech-log/studio-contract",
   "version": "3.0.0",
-  "digest": "sha256:25ed2e9f5b76bfeacf66e5a84ea8daf05979faa0b54e4980781f02115bbf0627",
-  "sourceRevision": "3e8a164",
+  "digest": "sha256:8ec2170ccdb27bd7ef29b46d732527987cf69d2c9818f7fe1943cb4d12b0dde4",
+  "sourceRevision": "d170392",
   "operationIds": [
     "getStudioSession",
     "getStudioDashboard",
diff --git a/src/features/tech-log/contracts/studio/generated.ts b/src/features/tech-log/contracts/studio/generated.ts
index 423d857..d3f735a 100644
--- a/src/features/tech-log/contracts/studio/generated.ts
+++ b/src/features/tech-log/contracts/studio/generated.ts
@@ -588,7 +588,7 @@ export interface components {
             relations: components["schemas"]["RelationInput"][];
         };
         CaseInput: components["schemas"]["WorkingCopyInputBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "CASE";
             problem: string;
             conclusion: string;
@@ -608,7 +608,7 @@ export interface components {
             kind: "CASE";
         };
         ReferenceInput: components["schemas"]["WorkingCopyInputBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "REFERENCE";
             purpose: string;
             rules: components["schemas"]["ReferenceRule"][];
@@ -625,7 +625,7 @@ export interface components {
             kind: "REFERENCE";
         };
         QuestionInput: components["schemas"]["WorkingCopyInputBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "QUESTION";
             /**
              * @description Backend Inquiry lifecycle의 축약 view다.
@@ -652,7 +652,7 @@ export interface components {
             kind: "QUESTION";
         };
         ProjectDecisionInput: components["schemas"]["WorkingCopyInputBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "PROJECT_DECISION";
             /**
              * @description UI 용어다. Backend Domain의 `ACCEPTED`/`ADOPTED` 명칭이 다르면
@@ -687,7 +687,7 @@ export interface components {
             updatedAt: string;
         };
         CaseWorkingCopy: components["schemas"]["WorkingCopyBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "CASE";
             problem: string;
             conclusion: string;
@@ -704,7 +704,7 @@ export interface components {
             kind: "CASE";
         };
         ReferenceWorkingCopy: components["schemas"]["WorkingCopyBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "REFERENCE";
             purpose: string;
             rules: components["schemas"]["ReferenceRule"][];
@@ -721,7 +721,7 @@ export interface components {
             kind: "REFERENCE";
         };
         QuestionWorkingCopy: components["schemas"]["WorkingCopyBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "QUESTION";
             /** @enum {string|null} */
             questionStatus: "OPEN" | "RESOLVED" | null;
@@ -740,7 +740,7 @@ export interface components {
             kind: "QUESTION";
         };
         ProjectDecisionWorkingCopy: components["schemas"]["WorkingCopyBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "PROJECT_DECISION";
             /** @enum {string|null} */
             decisionStatus: "PROPOSED" | "ADOPTED" | null;
@@ -911,7 +911,7 @@ export interface components {
         };
         Inline: components["schemas"]["InlineText"] | components["schemas"]["InlineEmphasis"] | components["schemas"]["InlineStrong"] | components["schemas"]["InlineCode"] | components["schemas"]["InlineLink"] | components["schemas"]["InlineStatus"];
         InlineEmphasis: components["schemas"]["InlineContainer"] & {
-            /** @constant */
+            /** @enum {string} */
             type?: "EMPHASIS";
         } & {
             /**
@@ -921,7 +921,7 @@ export interface components {
             type: "EMPHASIS";
         };
         InlineStrong: components["schemas"]["InlineContainer"] & {
-            /** @constant */
+            /** @enum {string} */
             type?: "STRONG";
         } & {
             /**
@@ -966,7 +966,7 @@ export interface components {
             items: components["schemas"]["ListItem"][];
         };
         UnorderedListBlock: components["schemas"]["ListBlockBase"] & {
-            /** @constant */
+            /** @enum {string} */
             type?: "UNORDERED_LIST";
         } & {
             /**
@@ -976,7 +976,7 @@ export interface components {
             type: "UNORDERED_LIST";
         };
         OrderedListBlock: components["schemas"]["ListBlockBase"] & {
-            /** @constant */
+            /** @enum {string} */
             type?: "ORDERED_LIST";
         } & {
             /**
@@ -1074,7 +1074,7 @@ export interface components {
         };
         CaseRenderBlock: components["schemas"]["HeadingBlock"] | components["schemas"]["ParagraphBlock"] | components["schemas"]["BlockquoteBlock"] | components["schemas"]["UnorderedListBlock"] | components["schemas"]["OrderedListBlock"] | components["schemas"]["CodeBlock"] | components["schemas"]["DataTableBlock"] | components["schemas"]["CalloutBlock"] | components["schemas"]["EvidenceFigureBlock"];
         CasePublicRenderModel: components["schemas"]["PublicRenderModelBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "CASE";
             problem: string;
             conclusion: string;
@@ -1091,7 +1091,7 @@ export interface components {
             kind: "CASE";
         };
         ReferencePublicRenderModel: components["schemas"]["PublicRenderModelBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "REFERENCE";
             purpose: string;
             rules: components["schemas"]["ReferenceRule"][];
@@ -1113,7 +1113,7 @@ export interface components {
             linkLabel: string;
         };
         QuestionPublicRenderModel: components["schemas"]["PublicRenderModelBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "QUESTION";
             /**
              * @description 공개 표현용 축약 상태다. Domain의 `INVESTIGATING`/`PAUSED`는 `OPEN`으로 표현된다.
@@ -1135,7 +1135,7 @@ export interface components {
             kind: "QUESTION";
         };
         ProjectDecisionPublicRenderModel: components["schemas"]["PublicRenderModelBase"] & {
-            /** @constant */
+            /** @enum {string} */
             kind: "PROJECT_DECISION";
             /** @enum {string} */
             status: "PROPOSED" | "ADOPTED";
diff --git a/src/features/tech-log/contracts/studio/studio-api.openapi.yaml b/src/features/tech-log/contracts/studio/studio-api.openapi.yaml
index 0f5b320..8cc18c2 100644
--- a/src/features/tech-log/contracts/studio/studio-api.openapi.yaml
+++ b/src/features/tech-log/contracts/studio/studio-api.openapi.yaml
@@ -928,7 +928,7 @@ components:
         - type: object
           required: [kind, problem, conclusion, environment, reproduction, lastVerifiedOn, bodyMarkdown]
           properties:
-            kind: { type: string, const: CASE }
+            kind: { type: string, enum: [CASE] }
             problem: { type: string, maxLength: 100000 }
             conclusion: { type: string, maxLength: 100000 }
             environment: { type: string, maxLength: 100000 }
@@ -947,7 +947,7 @@ components:
         - type: object
           required: [kind, purpose, rules, applyWhen, exceptions, examples, verifiedOn]
           properties:
-            kind: { type: string, const: REFERENCE }
+            kind: { type: string, enum: [REFERENCE] }
             purpose: { type: string, maxLength: 100000 }
             rules: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/ReferenceRule" } }
             applyWhen: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/OrderedText" } }
@@ -961,7 +961,7 @@ components:
         - type: object
           required: [kind, questionStatus, facts, assumptions, unknowns, constraints, options, nextValidation, resolution]
           properties:
-            kind: { type: string, const: QUESTION }
+            kind: { type: string, enum: [QUESTION] }
             questionStatus:
               type: [string, "null"]
               enum: [OPEN, RESOLVED, null]
@@ -988,7 +988,7 @@ components:
         - type: object
           required: [kind, decisionStatus, decidedOn, statement, rationale, consequences]
           properties:
-            kind: { type: string, const: PROJECT_DECISION }
+            kind: { type: string, enum: [PROJECT_DECISION] }
             decisionStatus:
               type: [string, "null"]
               enum: [PROPOSED, ADOPTED, null]
@@ -1035,7 +1035,7 @@ components:
         - type: object
           required: [kind, problem, conclusion, environment, reproduction, lastVerifiedOn, bodyMarkdown]
           properties:
-            kind: { type: string, const: CASE }
+            kind: { type: string, enum: [CASE] }
             problem: { type: string, maxLength: 100000 }
             conclusion: { type: string, maxLength: 100000 }
             environment: { type: string, maxLength: 100000 }
@@ -1049,7 +1049,7 @@ components:
         - type: object
           required: [kind, purpose, rules, applyWhen, exceptions, examples, verifiedOn]
           properties:
-            kind: { type: string, const: REFERENCE }
+            kind: { type: string, enum: [REFERENCE] }
             purpose: { type: string, maxLength: 100000 }
             rules: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/ReferenceRule" } }
             applyWhen: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/OrderedText" } }
@@ -1063,7 +1063,7 @@ components:
         - type: object
           required: [kind, questionStatus, facts, assumptions, unknowns, constraints, options, nextValidation, resolution]
           properties:
-            kind: { type: string, const: QUESTION }
+            kind: { type: string, enum: [QUESTION] }
             questionStatus: { type: [string, "null"], enum: [OPEN, RESOLVED, null] }
             facts: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/OrderedText" } }
             assumptions: { type: array, maxItems: 50, items: { $ref: "#/components/schemas/OrderedText" } }
@@ -1082,7 +1082,7 @@ components:
         - type: object
           required: [kind, decisionStatus, decidedOn, statement, rationale, consequences]
           properties:
-            kind: { type: string, const: PROJECT_DECISION }
+            kind: { type: string, enum: [PROJECT_DECISION] }
             decisionStatus: { type: [string, "null"], enum: [PROPOSED, ADOPTED, null] }
             decidedOn: { type: [string, "null"], format: date }
             statement: { type: string, maxLength: 100000 }
@@ -1251,7 +1251,7 @@ components:
       additionalProperties: false
       required: [type, text]
       properties:
-        type: { type: string, const: TEXT }
+        type: { type: string, enum: [TEXT] }
         text: { type: string, minLength: 1, maxLength: 100000 }
     InlineContainer:
       type: object
@@ -1264,14 +1264,14 @@ components:
       additionalProperties: false
       required: [type, code]
       properties:
-        type: { type: string, const: INLINE_CODE }
+        type: { type: string, enum: [INLINE_CODE] }
         code: { type: string, minLength: 1, maxLength: 100000 }
     InlineLink:
       type: object
       additionalProperties: false
       required: [type, label, href]
       properties:
-        type: { type: string, const: LINK }
+        type: { type: string, enum: [LINK] }
         label: { type: string, minLength: 1, maxLength: 100000 }
         href: { type: string, format: uri, maxLength: 2000 }
     InlineStatus:
@@ -1279,7 +1279,7 @@ components:
       additionalProperties: false
       required: [type, label, tone]
       properties:
-        type: { type: string, const: STATUS }
+        type: { type: string, enum: [STATUS] }
         label: { type: string, minLength: 1, maxLength: 120 }
         tone: { type: string, enum: [warning, evidence, neutral] }
     Inline:
@@ -1303,18 +1303,18 @@ components:
       unevaluatedProperties: false
       allOf:
         - { $ref: "#/components/schemas/InlineContainer" }
-        - { type: object, properties: { type: { type: string, const: EMPHASIS } } }
+        - { type: object, properties: { type: { type: string, enum: [EMPHASIS] } } }
     InlineStrong:
       unevaluatedProperties: false
       allOf:
         - { $ref: "#/components/schemas/InlineContainer" }
-        - { type: object, properties: { type: { type: string, const: STRONG } } }
+        - { type: object, properties: { type: { type: string, enum: [STRONG] } } }
     HeadingBlock:
       type: object
       additionalProperties: false
       required: [type, id, level, content]
       properties:
-        type: { type: string, const: HEADING }
+        type: { type: string, enum: [HEADING] }
         id: { type: string, minLength: 1, maxLength: 200 }
         level: { type: integer, minimum: 2, maximum: 4 }
         content: { type: array, maxItems: 1000, items: { $ref: "#/components/schemas/Inline" } }
@@ -1323,14 +1323,14 @@ components:
       additionalProperties: false
       required: [type, content]
       properties:
-        type: { type: string, const: PARAGRAPH }
+        type: { type: string, enum: [PARAGRAPH] }
         content: { type: array, maxItems: 1000, items: { $ref: "#/components/schemas/Inline" } }
     BlockquoteBlock:
       type: object
       additionalProperties: false
       required: [type, content]
       properties:
-        type: { type: string, const: BLOCKQUOTE }
+        type: { type: string, enum: [BLOCKQUOTE] }
         content: { type: array, maxItems: 1000, items: { $ref: "#/components/schemas/Inline" } }
     ListItem:
       type: object
@@ -1349,18 +1349,18 @@ components:
       unevaluatedProperties: false
       allOf:
         - { $ref: "#/components/schemas/ListBlockBase" }
-        - { type: object, properties: { type: { type: string, const: UNORDERED_LIST } } }
+        - { type: object, properties: { type: { type: string, enum: [UNORDERED_LIST] } } }
     OrderedListBlock:
       unevaluatedProperties: false
       allOf:
         - { $ref: "#/components/schemas/ListBlockBase" }
-        - { type: object, properties: { type: { type: string, const: ORDERED_LIST } } }
+        - { type: object, properties: { type: { type: string, enum: [ORDERED_LIST] } } }
     CodeBlock:
       type: object
       additionalProperties: false
       required: [type, code, language, label]
       properties:
-        type: { type: string, const: CODE_BLOCK }
+        type: { type: string, enum: [CODE_BLOCK] }
         code: { type: string, maxLength: 100000 }
         language: { type: [string, "null"], maxLength: 100 }
         label: { type: [string, "null"], maxLength: 200 }
@@ -1391,7 +1391,7 @@ components:
       additionalProperties: false
       required: [type, id, caption, rowHeaderColumn, columns, rows]
       properties:
-        type: { type: string, const: DATA_TABLE }
+        type: { type: string, enum: [DATA_TABLE] }
         id: { type: string, minLength: 1, maxLength: 200 }
         caption: { type: string, maxLength: 1000 }
         rowHeaderColumn: { type: [integer, "null"], minimum: 1 }
@@ -1402,7 +1402,7 @@ components:
       additionalProperties: false
       required: [type, tone, label, content]
       properties:
-        type: { type: string, const: CALLOUT }
+        type: { type: string, enum: [CALLOUT] }
         tone: { type: string, enum: [warning, info] }
         label: { type: string, maxLength: 200 }
         content: { type: array, maxItems: 1000, items: { $ref: "#/components/schemas/Inline" } }
@@ -1425,7 +1425,7 @@ components:
         Asset decorative=true                          → alt="" 허용
         ```
       properties:
-        type: { type: string, const: EVIDENCE_FIGURE }
+        type: { type: string, enum: [EVIDENCE_FIGURE] }
         key: { type: string, minLength: 1, maxLength: 200 }
         alt: { type: string, maxLength: 1000 }
         caption: { type: string, maxLength: 1000 }
@@ -1477,7 +1477,7 @@ components:
         - type: object
           required: [kind, problem, conclusion, environment, reproduction, lastVerifiedOn, bodyBlocks]
           properties:
-            kind: { type: string, const: CASE }
+            kind: { type: string, enum: [CASE] }
             problem: { type: string, minLength: 1, maxLength: 100000 }
             conclusion: { type: string, minLength: 1, maxLength: 100000 }
             environment: { type: string, maxLength: 100000 }
@@ -1491,7 +1491,7 @@ components:
         - type: object
           required: [kind, purpose, rules, applyWhen, exceptions, examples, verifiedOn]
           properties:
-            kind: { type: string, const: REFERENCE }
+            kind: { type: string, enum: [REFERENCE] }
             purpose: { type: string, minLength: 1, maxLength: 100000 }
             rules: { type: array, minItems: 1, maxItems: 50, items: { $ref: "#/components/schemas/ReferenceRule" } }
             applyWhen: { type: array, minItems: 1, maxItems: 50, items: { $ref: "#/components/schemas/OrderedText" } }
@@ -1513,7 +1513,7 @@ components:
         - type: object
           required: [kind, status, facts, assumptions, unknowns, constraints, options, nextValidation, resolution]
           properties:
-            kind: { type: string, const: QUESTION }
+            kind: { type: string, enum: [QUESTION] }
             status:
               type: string
               enum: [OPEN, RESOLVED]
@@ -1535,7 +1535,7 @@ components:
         - type: object
           required: [kind, status, decidedOn, statement, rationale, consequences]
           properties:
-            kind: { type: string, const: PROJECT_DECISION }
+            kind: { type: string, enum: [PROJECT_DECISION] }
             status: { type: string, enum: [PROPOSED, ADOPTED] }
             decidedOn: { type: string, format: date }
             statement: { type: string, minLength: 1, maxLength: 100000 }