Update.

apps/generator2.wren

@@ -0,0 +1,144 @@
+#!/usr/local/bin/wren
+
+import "pathlib" for Path
+import "http" for Http
+import "json" for Json
+import "env" for Environment
+import "argparse" for ArgumentParser
+import "os" for Process
+
+class SourceCodeGenerator {
+  static VERSION { "1.0" }
+  static DEFAULT_MODEL { "anthropic/claude-haiku-4.5" }
+  static API_ENDPOINT { "https://openrouter.ai/api/v1/chat/completions" }
+  static TUTORIAL_PATH { "apps/minitut.md" }
+
+  static DEFAULT_PROMPT {
+    "A small but useful application that combines several modules / libraries that is plug and play to use! Small description on top commenten what the application is and what it does and where it can be used for."
+  }
+
+  static run() {
+    System.print("// wren source code generator v%(this.VERSION)")
+
+    var startTime = System.clock
+    var args = parseArguments()
+    var apiKey = getApiKey()
+    var tutorial = loadTutorial()
+    var messages = buildMessages(tutorial, args["prompt"])
+    var sourceCode = generateCode(apiKey, messages)
+
+    printResults(startTime, sourceCode)
+    saveOutput(args["output"], sourceCode)
+  }
+
+  static parseArguments() {
+    var parser = ArgumentParser.new()
+    parser.addArgument("prompt", {"default": this.DEFAULT_PROMPT})
+    parser.addArgument("-o", {"long": "--output", "default": ""})
+    return parser.parseArgs()
+  }
+
+  static getApiKey() {
+    var apiKey = Environment.get("OPENROUTER_API_KEY")
+    if (apiKey == null || apiKey.count == 0) {
+      System.print("Error: OPENROUTER_API_KEY environment variable not set")
+      Fiber.abort("Missing API key")
+    }
+    return apiKey
+  }
+
+  static loadTutorial() {
+    return Path.new(this.TUTORIAL_PATH).readText()
+  }
+
+  static buildMessages(tutorial, userPrompt) {
+    var messages = []
+    messages.add({
+      "role": "system",
+      "content": "You are an application generator that will produce wren source code exclusively as described below:\n" + tutorial
+    })
+    messages.add({
+      "role": "user",
+      "content": "Please generate source code based on everything what i say from now on."
+    })
+    messages.add({
+      "role": "assistant",
+      "content": "I will respond in literally valid JSON only in this format: {\"source_code\":\"<the source code>\"} without any markup or markdown formatting."
+    })
+    messages.add({
+      "role": "user",
+      "content": userPrompt
+    })
+    return messages
+  }
+
+  static generateCode(apiKey, messages) {
+    var requestBody = {
+      "model": "%(this.DEFAULT_MODEL)",
+      "messages": messages
+    }
+
+    var headers = {
+      "Authorization": "Bearer " + apiKey,
+      "Content-Type": "application/json"
+    }
+
+    var response = Http.post(this.API_ENDPOINT, requestBody, headers)
+
+    if (!response.ok) {
+      System.print("Error: %(response.body)")
+      return ""
+    }
+
+    return extractSourceCode(response.body)
+  }
+
+  static extractSourceCode(responseBody) {
+    var data = Json.parse(responseBody)
+
+    if (data == null || data["choices"] == null || data["choices"].count == 0) {
+      return ""
+    }
+
+    var message = data["choices"][0]["message"]
+    if (message == null || message["content"] == null) {
+      return ""
+    }
+
+    var text = message["content"]
+    text = stripMarkdownWrapper(text)
+    text = extractFromJson(text)
+
+    return text
+  }
+
+  static stripMarkdownWrapper(text) {
+    if (text.startsWith("```")) {
+      return text[7..-4].trim()
+    }
+    return text
+  }
+
+  static extractFromJson(text) {
+    if (text.startsWith("{")) {
+      return Json.parse(text)["source_code"]
+    }
+    return text
+  }
+
+  static printResults(startTime, output) {
+    var elapsedTime = System.clock - startTime
+    System.print("// Generation time: %(elapsedTime)")
+    System.print("")
+    System.print(output)
+  }
+
+  static saveOutput(outputPath, content) {
+    if (!outputPath.isEmpty) {
+      Path.new(outputPath).writeText(content)
+    }
+  }
+}
+
+SourceCodeGenerator.run()
+

apps/merge_all_wren.wren

@@ -1,3 +1,5 @@
+#!/usr/local/bin/wren
+
 import "io" for File, Directory
 
 class WrenFileReader {

apps/merge_docs.wren

@@ -1,3 +1,5 @@
+#!/usr/local/bin/wren
+
 import "pathlib" for Path
 
 var startTime = System.clock

apps/phonebook.wren

@@ -1,3 +1,4 @@
+#!/usr/local/bin/wren
 // wren source code generator v1.0
 // Generation time: 0.101419