fix: scope page insights to reporting periods

docs/openapi.yaml

@@ -647,7 +647,7 @@ paths:
       parameters:
         - {name: module, in: path, required: true, schema: {$ref: '#/components/schemas/AIInsightModule'}}
         - {name: terminalId, in: query, required: false, schema: {type: string, maxLength: 128}}
-        - {name: periodId, in: query, required: false, description: Used only by the transactions module to match the selected reporting period., schema: {type: string, maxLength: 128}}
+        - {name: periodId, in: query, required: false, description: Server-offered reporting period used to match the visible analytics run., schema: {type: string, maxLength: 128}}
         - $ref: '#/components/parameters/RequestIdHeader'
       responses:
         '200': {description: Latest ready or deterministic-partial snapshot., content: {application/json: {schema: {$ref: '#/components/schemas/AIInsight'}}}}
@@ -1709,7 +1709,7 @@ components:
       additionalProperties: false
       properties:
         terminalId: {type: string, maxLength: 128}
-        periodId: {type: string, maxLength: 128, description: Used only by the transactions module.}
+        periodId: {type: string, maxLength: 128, description: Server-offered reporting period used to match the visible analytics run.}
     AIInsightJob:
       type: object
       additionalProperties: false