Redis vector store: unEscapeSpecialChars only reverses -, causing JSON.parse failure on metadata read #6598

Describe the bug

When retrieving documents from a Redis vector store via Retrieval Playground, similarity search fails with: Expected property name or '}' in JSON at position 1
This happens on any document whose metadata contains RediSearch special characters other than -
after modifying unEscapeSpecialChars in usr/local/lib/node_modules/flowise/node_modules/flowise-components/dist/nodes/vectorstores/Redis/utils.js to become:
const unEscapeSpecialChars = (str) => { return str.replace(/\\([,.<>{}[\]"':;!@#$%^&*()\-+=~])/g, '$1'); };
Playground works as expected

To Reproduce

1- Setup a Redis vector store node
2- upsert a document whose metadata contains colon or double quote
3- in Retrival Playground run similarity search
4- JSON error appears

Expected behavior

Retrieval should succeed regardless of which RediSearch-reserved characters appear in the document metadata.

Screenshots

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Flow

No response

Use Method

Docker

Flowise Version

3.1.2

Operating System

Linux

Browser

None

Additional context

No response