Add oRGC4 term (CL_9900001)

[Copilot]

• [x] Understand the repository structure and term format
• [x] Create new term CL_9900001 for oRGC4
• [x] Add term declaration
• [x] Add label annotation
• [x] Add definition with PMIDs (37066415, 31784286)
• [x] Add parent relationship (SubClassOf CL_0000740)
• [x] Add standard metadata (id, namespace)
• [x] Add contributor ORCID (0000-0002-5507-2103)
• [x] Add creator metadata
• [x] Validate syntax with robot convert
• [x] Fix en dash character in definition
• [x] Add in-text references to definition
• [x] Run code review
• [x] Run security checks

Original prompt

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This section details on the original issue you should resolve

<issue_title>[NTR] Create new term for oRGC4</issue_title> <issue_description>Please check that the term does not already exist by using the ontology search tool OLS: https://www.ebi.ac.uk/ols4/ontologies/cl

Preferred term label oRGC4

Synonyms (add reference(s), please)

Definition (free text, with reference(s), please. PubMed ID format is PMID:XXXXXX) A conserved retinal ganglion cell orthotype whose transcriptomic profile groups together ON midget RGCs from primate foveal and peripheral retina with their molecularly homologous mouse alpha RGC subtype (ON‑sustained α RGC, C43)(Hahn et al., 2023; Tran et al., 2019).

Reference: PMID:37066415 PMID:31784286

Parent cell type term (check the hierarchy here https://www.ebi.ac.uk/ols4/ontologies/cl) CL_0000740

Anatomical structure where the cell type is found (check Uberon for anatomical structures: https://www.ebi.ac.uk/ols4/ontologies/uberon)

Your ORCID https://orcid.org/0000-0002-5507-2103

Additional notes or concerns

</issue_description>

<agent_instructions>Please create a new CL term with the information provided</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes obophenotype/cell-ontology#3515

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