code · pull · Oct 23, 2025 · Oct 23, 2025 · Oct 23, 2025 · Oct 23, 2025
diff --git a/packages/cli/package.json b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@botpress/cli",
-  "version": "4.20.0",
+  "version": "4.20.1",
   "description": "Botpress CLI",
   "scripts": {
     "build": "pnpm run build:types && pnpm run bundle && pnpm run template:gen",
@@ -27,7 +27,7 @@
     "@apidevtools/json-schema-ref-parser": "^11.7.0",
     "@botpress/chat": "0.5.2",
     "@botpress/client": "1.26.0",
-    "@botpress/sdk": "4.17.0",
+    "@botpress/sdk": "4.17.1",
     "@bpinternal/const": "^0.1.0",
     "@bpinternal/tunnel": "^0.1.1",
     "@bpinternal/yargs-extra": "^0.0.3",

diff --git a/packages/cli/src/code-generation/generators.ts b/packages/cli/src/code-generation/generators.ts
@@ -8,7 +8,7 @@ import * as consts from './consts'
 export type Primitive = string | number | boolean | null | undefined
 
 export const zuiSchemaToTypeScriptType = async (zuiSchema: sdk.z.Schema, name: string): Promise<string> => {
-  let code = zuiSchema.toTypescriptType()
+  let code = zuiSchema.toTypescriptType({ treatDefaultAsOptional: true })
   code = `export type ${name} = ${code}`
   code = await prettier.format(code, { parser: 'typescript' })
   return [

diff --git a/packages/cli/templates/empty-bot/package.json b/packages/cli/templates/empty-bot/package.json
@@ -6,7 +6,7 @@
   "private": true,
   "dependencies": {
     "@botpress/client": "1.26.0",
-    "@botpress/sdk": "4.17.0"
+    "@botpress/sdk": "4.17.1"
   },
   "devDependencies": {
     "@types/node": "^22.16.4",

diff --git a/packages/cli/templates/empty-integration/package.json b/packages/cli/templates/empty-integration/package.json
@@ -7,7 +7,7 @@
   "private": true,
   "dependencies": {
     "@botpress/client": "1.26.0",
-    "@botpress/sdk": "4.17.0"
+    "@botpress/sdk": "4.17.1"
   },
   "devDependencies": {
     "@types/node": "^22.16.4",

diff --git a/packages/cli/templates/empty-plugin/package.json b/packages/cli/templates/empty-plugin/package.json
@@ -6,7 +6,7 @@
   },
   "private": true,
   "dependencies": {
-    "@botpress/sdk": "4.17.0"
+    "@botpress/sdk": "4.17.1"
   },
   "devDependencies": {
     "@types/node": "^22.16.4",

diff --git a/packages/cli/templates/hello-world/package.json b/packages/cli/templates/hello-world/package.json
@@ -7,7 +7,7 @@
   "private": true,
   "dependencies": {
     "@botpress/client": "1.26.0",
-    "@botpress/sdk": "4.17.0"
+    "@botpress/sdk": "4.17.1"
   },
   "devDependencies": {
     "@types/node": "^22.16.4",

diff --git a/packages/cli/templates/webhook-message/package.json b/packages/cli/templates/webhook-message/package.json
@@ -7,7 +7,7 @@
   "private": true,
   "dependencies": {
     "@botpress/client": "1.26.0",
-    "@botpress/sdk": "4.17.0",
+    "@botpress/sdk": "4.17.1",
     "axios": "^1.6.8"
   },
   "devDependencies": {

diff --git a/packages/cognitive/build.ts b/packages/cognitive/build.ts
@@ -14,11 +14,11 @@ const common: esbuild.BuildOptions = {
 
 async function generateTypes() {
   const code =
-    `export type GenerateContentInput = ${llm.schemas.GenerateContentInputSchema(z.any()).toTypescriptType()};
+    `export type GenerateContentInput = ${llm.schemas.GenerateContentInputSchema(z.any()).toTypescriptType({ treatDefaultAsOptional: true })};
 
-export type GenerateContentOutput = ${llm.schemas.GenerateContentOutputSchema.toTypescriptType()};
+export type GenerateContentOutput = ${llm.schemas.GenerateContentOutputSchema.toTypescriptType({ treatDefaultAsOptional: true })};
 
-export type Model = ${llm.schemas.ModelSchema.toTypescriptType()};
+export type Model = ${llm.schemas.ModelSchema.toTypescriptType({ treatDefaultAsOptional: true })};
 `.trim()
 
   const filePath = './src/schemas.gen.ts'

diff --git a/packages/cognitive/package.json b/packages/cognitive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@botpress/cognitive",
-  "version": "0.1.47",
+  "version": "0.1.48",
   "description": "Wrapper around the Botpress Client to call LLMs",
   "main": "./dist/index.cjs",
   "module": "./dist/index.mjs",
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@botpress/client": "workspace:*",
     "@botpress/common": "workspace:*",
-    "@bpinternal/zui": "^1.0.1",
+    "@bpinternal/zui": "1.2.1",
     "@size-limit/file": "^11.1.6",
     "@types/axios": "^0.14.4",
     "@types/debug": "^4.1.12",

diff --git a/packages/cognitive/src/schemas.gen.ts b/packages/cognitive/src/schemas.gen.ts
@@ -31,7 +31,7 @@ export type GenerateContentInput = {
           type: 'text' | 'image'
           /** Indicates the MIME type of the content. If not provided it will be detected from the content-type header of the provided URL. */
           mimeType?: string
-          /** Required if part type is "text"  */
+          /** Required if part type is "text" */
           text?: string
           /** Required if part type is "image" */
           url?: string
@@ -103,7 +103,7 @@ export type GenerateContentOutput = {
           type: 'text' | 'image'
           /** Indicates the MIME type of the content. If not provided it will be detected from the content-type header of the provided URL. */
           mimeType?: string
-          /** Required if part type is "text"  */
+          /** Required if part type is "text" */
           text?: string
           /** Required if part type is "image" */
           url?: string

diff --git a/packages/llmz/examples/package.json b/packages/llmz/examples/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@botpress/client": "workspace:^",
     "@botpress/zai": "^2.0.8",
-    "@bpinternal/zui": "^1.0.1",
+    "@bpinternal/zui": "1.2.1",
     "chalk": "^4.1.2",
     "llmz": "link:..",
     "lodash": "^4.17.21",

diff --git a/packages/llmz/package.json b/packages/llmz/package.json
@@ -2,7 +2,7 @@
   "name": "llmz",
   "type": "module",
   "description": "LLMz – An LLM-native Typescript VM built on top of Zui",
-  "version": "0.0.26",
+  "version": "0.0.27",
   "types": "./dist/index.d.ts",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
@@ -70,9 +70,9 @@
   },
   "peerDependencies": {
     "@botpress/client": "1.26.0",
-    "@botpress/cognitive": "0.1.47",
+    "@botpress/cognitive": "0.1.48",
     "@bpinternal/thicktoken": "^1.0.5",
-    "@bpinternal/zui": "^1.0.1"
+    "@bpinternal/zui": "1.2.1"
   },
   "dependenciesMeta": {
     "@bpinternal/zui": {

diff --git a/packages/llmz/src/prompts/dual-modes.ts b/packages/llmz/src/prompts/dual-modes.ts
@@ -71,7 +71,7 @@ const getSystemMessage: Prompt['getSystemMessage'] = async (props) => {
         name: exit.name,
         description: exit.description,
         has_typings: true,
-        typings: exit.zSchema.toTypescriptType(),
+        typings: exit.zSchema.toTypescriptType({ treatDefaultAsOptional: true }),
       })
     } else {
       exits.push({

diff --git a/packages/llmz/src/typings.ts b/packages/llmz/src/typings.ts
@@ -299,7 +299,7 @@ ${typeof schema.value === 'string' ? escapeString(schema.value) : schema.value}`
   }
 
   try {
-    let typings = schema?.toTypescriptType()
+    let typings = schema?.toTypescriptType({ treatDefaultAsOptional: true })
     typings ??= 'unknown'
 
     return stripSpaces(typings)

diff --git a/packages/sdk/package.json b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@botpress/sdk",
-  "version": "4.17.0",
+  "version": "4.17.1",
   "description": "Botpress SDK",
   "main": "./dist/index.cjs",
   "module": "./dist/index.mjs",
@@ -28,7 +28,7 @@
     "tsup": "^8.0.2"
   },
   "peerDependencies": {
-    "@bpinternal/zui": "^1.0.1",
+    "@bpinternal/zui": "1.2.1",
     "esbuild": "^0.16.12"
   },
   "peerDependenciesMeta": {

diff --git a/packages/vai/package.json b/packages/vai/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@botpress/vai",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "Vitest AI (vai) – a vitest extension for testing with LLMs",
   "types": "./dist/index.d.ts",
   "exports": {
@@ -41,7 +41,7 @@
   "peerDependencies": {
     "@botpress/client": "1.26.0",
     "@bpinternal/thicktoken": "^1.0.1",
-    "@bpinternal/zui": "^1.0.1",
+    "@bpinternal/zui": "1.2.1",
     "lodash": "^4.17.21",
     "vitest": "^2 || ^3 || ^4 || ^5"
   },

diff --git a/packages/vai/src/utils/predictJson.ts b/packages/vai/src/utils/predictJson.ts
@@ -84,7 +84,7 @@ ${options.systemMessage}
 ---
 Please generate a JSON response with the following format:
 \`\`\`typescript
-${outputSchema.toTypescriptType()}
+${outputSchema.toTypescriptType({ treatDefaultAsOptional: true })}
 \`\`\`
 `.trim(),
       messages: [

diff --git a/packages/zai/package.json b/packages/zai/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@botpress/zai",
   "description": "Zui AI (zai) – An LLM utility library written on top of Zui and the Botpress API",
-  "version": "2.1.16",
+  "version": "2.1.17",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
@@ -32,7 +32,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@botpress/cognitive": "0.1.47",
+    "@botpress/cognitive": "0.1.48",
     "json5": "^2.2.3",
     "jsonrepair": "^3.10.0",
     "lodash-es": "^4.17.21"
@@ -53,7 +53,7 @@
   },
   "peerDependencies": {
     "@bpinternal/thicktoken": "^1.0.0",
-    "@bpinternal/zui": "^1.0.1"
+    "@bpinternal/zui": "1.2.1"
   },
   "engines": {
     "node": ">=18.0.0"

diff --git a/packages/zai/src/operations/extract.ts b/packages/zai/src/operations/extract.ts
@@ -100,7 +100,7 @@ const extract = async <S extends OfType<AnyObjectOrArray>>(
     } catch {}
   }
 
-  const schemaTypescript = schema.toTypescriptType({ declaration: false })
+  const schemaTypescript = schema.toTypescriptType({ declaration: false, treatDefaultAsOptional: true })
   const schemaLength = tokenizer.count(schemaTypescript)
 
   options.chunkLength = Math.min(options.chunkLength, model.input.maxTokens - PROMPT_INPUT_BUFFER - schemaLength)

diff --git a/plugins/knowledge/src/question-prompt.ts b/plugins/knowledge/src/question-prompt.ts
@@ -98,7 +98,7 @@ Questions should be extracted with the following JSON format:
 If there are no questions in the USER MESSAGE, return an empty array.
 
 Always respond in JSON with the following format:
-type OutputFormat = ${ExtractedQuestion.toTypescriptType()}
+type OutputFormat = ${ExtractedQuestion.toTypescriptType({ treatDefaultAsOptional: true })}
 
 The below examples are for illustrative purposes only. Your responses will be evaluated based on the quality of the questions extracted.
 Please extract the questions found on line L${args.line} only. If there are no questions, return an empty array.

diff --git a/plugins/personality/src/rewrite-prompt.ts b/plugins/personality/src/rewrite-prompt.ts
@@ -31,7 +31,7 @@ const userPrompt = (args: PromptArgs): string => dedent`
 { "payload": ${args.payload} }
 \`\`\`
 
-type OutputFormat = ${responseSchema.toTypescriptType()}
+type OutputFormat = ${responseSchema.toTypescriptType({ treatDefaultAsOptional: true })}
 `
 
 export const prompt = (args: PromptArgs): LLMInput => ({