Build fixes: offline-safe fonts, Next.js API route type updates, TS strict errors resolved, MUI import cleanup, chat markdown wrapper, Azure OpenAI typing, caching key + chapter API id types, and misc error-logging typings.

lib/ai/azure-openai.ts

@@ -1,4 +1,5 @@
 import { AzureOpenAI } from 'openai'
+import type { ChatCompletionMessageParam } from 'openai/resources/chat/completions'
 
 const client = new AzureOpenAI({
   apiKey: process.env.AZURE_OPENAI_KEY!,
@@ -7,7 +8,7 @@ const client = new AzureOpenAI({
 })
 
 export async function generateChatResponse(
-  messages: Array<{ role: string; content: string }>,
+  messages: Array<{ role: 'user' | 'assistant'; content: string }>,
   verseContext?: string
 ) {
   try {
@@ -17,7 +18,7 @@ export async function generateChatResponse(
       model: process.env.AZURE_OPENAI_DEPLOYMENT || 'gpt-4',
       messages: [
         { role: 'system', content: systemPrompt },
-        ...messages
+        ...messages as unknown as ChatCompletionMessageParam[]
       ],
       temperature: 0.7,
       max_tokens: 1000
@@ -56,4 +57,4 @@ export async function generateEmbedding(text: string): Promise<number[]> {
     // Return empty array if embedding service is not available
     return []
   }
-}
+}