<!-- .github/pull_request_template.md -->
## Description
Resolve issue with cypher search by encoding the return value from the
cypher query into JSON. Uses fastapi json encoder
## Type of Change
<!-- Please check the relevant option -->
- [x] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [ ] Code refactoring
- [ ] Performance improvement
- [ ] Other (please specify):
## Screenshots/Videos (if applicable)
Example of result now with Cypher search with the following query "MATCH
(src)-[rel]->(nbr) RETURN src, rel" on Simple example:
```
{
"search_result":[
[
[
{
"_id":{
"offset":0,
"table":0
},
"_label":"Node",
"id":"87372381-a9fe-5b82-9c92-3f5dbab1bc35",
"name":"",
"type":"DocumentChunk",
"created_at":"2025-11-05T14:12:46.707597",
"updated_at":"2025-11-05T14:12:54.801747",
"properties":"{\"created_at\": 1762351945009, \"updated_at\": 1762351945009, \"ontology_valid\": false, \"version\": 1, \"topological_rank\": 0, \"metadata\": {\"index_fields\": [\"text\"]}, \"belongs_to_set\": null, \"text\": \"\\n Natural language processing (NLP) is an interdisciplinary\\n subfield of computer science and information retrieval.\\n \", \"chunk_size\": 48, \"chunk_index\": 0, \"cut_type\": \"paragraph_end\"}"
},
{
"_src":{
"offset":0,
"table":0
},
"_dst":{
"offset":1,
"table":0
},
"_label":"EDGE",
"_id":{
"offset":0,
"table":1
},
"relationship_name":"contains",
"created_at":"2025-11-05T14:12:47.217590",
"updated_at":"2025-11-05T14:12:55.193003",
"properties":"{\"source_node_id\": \"87372381-a9fe-5b82-9c92-3f5dbab1bc35\", \"target_node_id\": \"bc338a39-64d6-549a-acec-da60846dd90d\", \"relationship_name\": \"contains\", \"updated_at\": \"2025-11-05 14:12:54\", \"relationship_type\": \"contains\", \"edge_text\": \"relationship_name: contains; entity_name: natural language processing (nlp); entity_description: An interdisciplinary subfield of computer science and information retrieval concerned with interactions between computers and human (natural) languages.\"}"
}
]
]
],
"dataset_id":"UUID(""af4b1c1c-90fc-59b7-952c-1da9bbde370c"")",
"dataset_name":"main_dataset",
"graphs":"None"
}
```
Relates to https://github.com/topoteretes/cognee/pull/1725
Issue: https://github.com/topoteretes/cognee/issues/1723
## Pre-submission Checklist
<!-- Please check all boxes that apply before submitting your PR -->
- [ ] **I have tested my changes thoroughly before submitting this PR**
- [ ] **This PR contains minimal changes necessary to address the
issue/feature**
- [ ] My code follows the project's coding standards and style
guidelines
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have added necessary documentation (if applicable)
- [ ] All new and existing tests pass
- [ ] I have searched existing PRs to ensure this change hasn't been
submitted already
- [ ] I have linked any relevant issues in the description
- [ ] My commits have clear and descriptive messages
## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.
007c7d403e