From b5deefbec16e4e5051af92de3be75d85a6c472c4 Mon Sep 17 00:00:00 2001
From: MartinBraquet <martin.braquet@gmail.com>
Date: Wed, 1 Apr 2026 13:52:34 +0200
Subject: [PATCH] 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                 |  2 +-
 backend/api/src/llm-extract-profile.ts |  6 ++++--
 web/components/widgets/editor.tsx      | 12 ++++++++++++
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/backend/api/src/app.ts b/backend/api/src/app.ts
index 897994f9..30f44d85 100644
--- a/backend/api/src/app.ts
+++ b/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),
diff --git a/backend/api/src/llm-extract-profile.ts b/backend/api/src/llm-extract-profile.ts
index e5fa6816..4dc7f588 100644
--- a/backend/api/src/llm-extract-profile.ts
+++ b/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
diff --git a/web/components/widgets/editor.tsx b/web/components/widgets/editor.tsx
index 2e558636..7e45b135 100644
--- a/web/components/widgets/editor.tsx
+++ b/web/components/widgets/editor.tsx
@@ -178,6 +178,18 @@ export function useTextEditor(props: {
           return true // Prevent image in text/html from getting pasted again
         }
 
+        if (max) {
+          event.preventDefault()
+          const text = event.clipboardData?.getData('text/plain') ?? ''
+          const currentLength = editor.getText().length
+          const available = Math.max(0, max - currentLength)
+          if (available > 0 && text.length > 0) {
+            const croppedText = text.slice(0, available)
+            editor.commands.insertContent(croppedText)
+          }
+          return true
+        }
+
         // Otherwise, use default paste handler
       },
       handleDrop(_view, event, _slice, moved) {