Enforce text length limits in editor paste handling, adjust API request size limit, and crop excessive content in LLM profile extraction

backend/api/src/app.ts

@@ -669,7 +669,7 @@ Object.entries(handlers).forEach(([path, handler]) => {
 
   const apiRoute = [
     url,
-    express.json(),
+    express.json({limit: '1mb'}),
     allowCorsUnrestricted,
     cache,
     typedEndpoint(path as any, handler as any),

backend/api/src/llm-extract-profile.ts

@@ -274,8 +274,8 @@ TEXT TO ANALYZE:
 `
   const text = EXTRACTION_PROMPT + content
   if (text.length > MAX_CONTEXT_LENGTH) {
-    log('Content exceeds maximum length', {length: text.length})
-    throw APIErrors.badRequest('Content exceeds maximum length')
+    log('Content exceeds maximum length, will be cropped', {length: text.length})
+    // throw APIErrors.badRequest('Content exceeds maximum length')
   }
   debug({text})
 
@@ -404,6 +404,8 @@ export const llmExtractProfileEndpoint: APIHandler<'llm-extract-profile'> = asyn
     extracted.bio = bio
   }
 
+  debug(JSON.stringify(bio))
+
   log('Profile extracted successfully', {extracted})
 
   return extracted