Práticas recomendadas para o gerenciamento de sessões com a API Prompt

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// Make this work in web apps and in extensions. const aiNamespace = LanguageModel || chrome.aiOriginTrial.languageModel; const languageModel = await aiNamespace.create({   systemPrompt: 'You are a helpful assistant and you speak like a pirate.', }); console.log(await languageModel.prompt('Tell me a joke.')); // 'Avast ye, matey! What do you call a lazy pirate?\n\nA **sail-bum!**\n\nAhoy // there, me hearties!  Want to hear another one? \n' 

// Make this work in web apps and in extensions. const aiNamespace = LanguageModel || chrome.aiOriginTrial.languageModel; const languageModel = await aiNamespace.create({   systemPrompt: 'You are a helpful assistant and you speak like a pirate.', });  // The original session `languageModel` remains unchanged, and // the two clones can be interacted with independently from each other. const firstClonedLanguageModel = await languageModel.clone(); const secondClonedLanguageModel = await languageModel.clone(); // Interact with the sessions independently. await firstClonedLanguageModel.prompt('Tell me a joke about parrots.'); await secondClonedLanguageModel.prompt('Tell me a joke about treasure troves.'); // Each session keeps its own context. // The first session's context is jokes about parrots. await firstClonedLanguageModel.prompt('Tell me another.'); // The second session's context is jokes about treasure troves. await secondClonedLanguageModel.prompt('Tell me another.'); 

// Make this work in web apps and in extensions. const aiNamespace = LanguageModel || chrome.aiOriginTrial.languageModel  // Restore the session from localStorage, or initialize a new session. // The UUID is hardcoded here, but would come from a // session picker in your user interface. const uuid = '7e62c0e0-6518-4658-bc38-e7a43217df87';  function getSessionData(uuid) {   try {     const storedSession = localStorage.getItem(uuid);     return storedSession ? JSON.parse(storedSession) : false;   } catch {     return false;   } }  let sessionData = getSessionData(uuid);  // Initialize a new session. if (!sessionData) {   // Get the current default parameters so they can be restored as they were,   // even if the default values change in the future.   const { defaultTopK, defaultTemperature } =     await aiNamespace.params();   sessionData = {     systemPrompt: '',     initialPrompts: [],     topK: defaultTopK,     temperature: defaultTemperature,   }; }  // Initialize the session with the (previously stored or new) session data. const languageModel = await aiNamespace.create(sessionData);  // Keep track of the ongoing conversion and store it in localStorage. const prompt = 'Tell me a joke'; try {   const stream = languageModel.promptStreaming(prompt);   let result = '';   // You can already work with each `chunk`, but then store   // the final `result` in history.   for await (const chunk of stream) {     // In practice, you'd render the chunk.     console.log(chunk);     result = chunk;   }    sessionData.initialPrompts.push(     { role: 'user', content: prompt },     { role: 'assistant', content: result },   );    // To avoid growing localStorage infinitely, make sure to delete   // no longer used sessions from time to time.   localStorage.setItem(uuid, JSON.stringify(sessionData)); } catch (err) {   console.error(err.name, err.message); } 

const { maxTokens, tokensLeft, tokensSoFar } = languageModel; 

const controller = new AbortController(); stopButton.onclick = () => controller.abort();  try {   const stream = languageModel.promptStreaming('Write me a poem!', {     signal: controller.signal,   });   for await (const chunk of stream) {     console.log(chunk);   } } catch (err) {   // Ignore `AbortError` errors.   if (err.name !== 'AbortError') {     console.error(err.name, err.message);   } }