Truncate long abstracts

I can't see anything in the Slack docs, but it seems that 'mrkdwn' objects have a limit of 3,000 characters.

.npmrc

@@ -1,3 +1,4 @@
+@jsr:registry=https://npm.jsr.io
 audit = false
 engine-strict = true
 fund = false

package.json

@@ -6,6 +6,7 @@
   },
   "type": "module",
   "dependencies": {
+    "@arendjr/text-clipper": "npm:@jsr/arendjr__text-clipper@^3.0.0",
     "@effect/platform": "0.58.20",
     "@effect/platform-node": "^0.53.19",
     "@effect/schema": "^0.68.17",

src/ReviewRequest.ts

@@ -1,3 +1,4 @@
+import clip from '@arendjr/text-clipper'
 import { Schema } from '@effect/schema'
 import { Array, Context, Data, Effect, Exit, Match, String, pipe } from 'effect'
 import { decode } from 'html-entities'
@@ -47,7 +48,7 @@ const threadToSlackBlocks = (
           post.text,
           String.replaceAll(
             '[ABSTRACT]',
-            `> ${decode(striptags(preprint.abstract)).replaceAll(/(?:\r\n|\r|\n)+/gm, ' ')}`,
+            `> ${clip(decode(striptags(preprint.abstract)).replaceAll(/(?:\r\n|\r|\n)+/gm, ' '), 2_900)}`,
           ),
           slackifyMarkdown,
           String.trim,