Improve prompt construction (#36)

Author: splinesreticulating

src/lib/prompts.ts

@@ -2,35 +2,48 @@ import { CUSTOM_CONTEXT } from '$env/static/private'
 import type { Message, ToneType } from './types'
 import { formatMessagesAsText } from './utils'
 
-const coreContext = `Analyze messages attributed to "me:" to mimic my vocabulary and tone when suggesting replies.
-Additional context about recent conversation history is provided below. Use this to understand the current situation and tone, but focus your reply on the most recent messages.
-Do not summarize the history - it is only for context. 
-I will also provide a desired tone and may include extra context. Always incorporate that tone and context when crafting replies
-`
+const coreContext = [
+    'Analyze messages attributed to "me:" to mimic my vocabulary and tone when suggesting replies.',
+    'Additional context about recent conversation history is provided below. Use this to understand the current situation and tone, but focus your reply on the most recent messages.',
+    'Do not summarize the history - it is only for context.',
+    'I will also provide a desired tone and may include extra context. Always incorporate that tone and context when crafting replies.',
+].join('\n')
 
-const instructions = `Given the conversation above, provide a brief summary including the emotional tone, main topics, and any changes in mood.
-Suggest 3 replies that I might send. Provide one short reply, one medium-length reply, and one long reply. 
-Always use this tone when drafting replies:`
+const instructions = [
+    'Given the conversation above, provide a brief summary including the emotional tone, main topics, and any changes in mood.',
+    'Suggest 3 replies that I might send. Provide one short reply, one medium-length reply, and one long reply.',
+    'Always use this tone when drafting replies:',
+].join('\n')
 
-const responseFormat = `Please respond using this format:
-Summary: <summary>
-Suggested replies:
-Reply 1: <short reply>
-Reply 2: <medium reply>
-Reply 3: <long reply>`
+const responseFormat = [
+    'Please respond using this format:',
+    'Summary: <summary>',
+    'Suggested replies:',
+    'Reply 1: <short reply>',
+    'Reply 2: <medium reply>',
+    'Reply 3: <long reply>',
+].join('\n')
 
-export const systemContext = `${CUSTOM_CONTEXT}\n\n${coreContext}`
+export const systemContext = [CUSTOM_CONTEXT, coreContext].join('\n\n')
 
-const buildPrompt = (tone: string, context: string): string =>
-    `${instructions} ${tone}${context ? `\nExtra context: ${context}` : ''}`
+const buildPrompt = (tone: string, context: string): string => {
+    const lines = [`${instructions} ${tone}`]
+    if (context) lines.push(`Extra context: ${context}`)
+    return lines.join('\n')
+}
 
 export const openAiPrompt = (tone: string, context: string): string =>
-    `\n${buildPrompt(tone, context)}\n`
+    buildPrompt(tone, context)
 
-export const khojPrompt = (messages: Message[], tone: ToneType, context: string): string =>
-    `${systemContext}
-     Here are some text messages between my partner and I:\n
-     ${formatMessagesAsText(messages)}\n
-     ${buildPrompt(tone, context)}\n
-     ${responseFormat}\n
-`
+export const khojPrompt = (
+    messages: Message[],
+    tone: ToneType,
+    context: string
+): string =>
+    [
+        systemContext,
+        'Here are some text messages between my partner and I:\n' +
+            formatMessagesAsText(messages),
+        buildPrompt(tone, context),
+        responseFormat,
+    ].join('\n')