Update issue templates

.github/ISSUE_TEMPLATE/add-term-annotations.md

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+---
+name: Add term annotations
+about: Add information to an existing term
+title: "[ADD] <ID> <label> — add <synonym/definition/xref/...>"
+labels: ''
+assignees: ''
+
+---
+
+**Term ID and label**
+(e.g., liquid-liquid phase separation (IDPO:0000025))
+
+**Information to add**
+(e.g., name, synonym, definition, definition source, cross-reference, usage note, etc.)
+
+**Evidence / references**
+Provide PMIDs/DOIs, datasets, or community discussions supporting the addition.
+
+**Additional Information**

.github/ISSUE_TEMPLATE/amend-ontology-structure.md

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+---
+name: Amend ontology structure
+about: Request structural modifications (new parent, merge, split, deprecate/replace)
+title: "[REORG] <action>"
+labels: ''
+assignees: ''
+
+---
+
+**Affected Terms (ID + name)**
+(e.g., liquid-liquid phase separation (IDPO:0000025))
+
+**Requested action**
+- [ ] update hierarchy
+      - Proposed new Parent Term and ID
+      - Annotations to be modified (e.g. any definition tweaks needed to fit the new parent)
+- [ ] merge
+       - “Target” term to keep (ID + label)
+       - Which annotations to carry over (synonyms with types, xrefs, usage notes)
+- [ ] split
+      - Proposed new terms (for each: provisional label, definition, parent(s), key differentiating criterion, initial synonyms)
+      - Clear assignment rules (how existing annotations should map to each new term)
+- [ ] deprecate & replace
+      - Obsolescence reason (out of scope, inaccurate, superseded, duplicate, etc.)
+      - Replacement guidance: “replaced_by” (one best match) and/or “consider” (alternatives), with IDs.
+
+**Rationale / use case**
+Why is this change needed?
+
+**Evidence / references**
+PMIDs/DOIs or community discussions.
+
+**Additional Information**

.github/ISSUE_TEMPLATE/edit-term-annotations.md

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+---
+name: Edit term annotations
+about: Modify the information of an existing term
+title: "[EDIT] <ID> <label> — change <definition/synonym/xref/...>"
+labels: ''
+assignees: ''
+
+---
+
+**Term ID and current label**
+(e.g., liquid-liquid phase separation (IDPO:0000025))
+
+**Information to modify**
+(e.g., name, synonym, definition, definition source, cross-reference, usage note, etc.)
+
+**Rationale / use case**
+Why is this modification needed?
+
+**Evidence / references**
+PMIDs/DOIs or other sources. If changing the label, indicate whether the old label should remain as an exact/related synonym.
+
+**Additional Information**

.github/ISSUE_TEMPLATE/new-term-request.md

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+---
+name: New term request
+about: Suggest a new term for this ontology
+title: "[NTR] <preferred label>"
+labels: new term request
+assignees: ''
+
+---
+
+For new term requests, please provide the following information:
+
+**Preferred term label**
+(e.g., liquid-liquid phase separation)
+
+**Synonyms**
+(e.g., liquid–liquid demixing; note synonym types if known: exact/related/broad/narrow)
+
+**Abbreviation (if any)**
+(e.g., LLPS)
+
+**Textual definition**
+The definition should be understandable to non-specialists. Include a PubMed ID (PMID/DOI) for the source of the definition or other relevant references.
+
+**Suggested parent term**
+Please look in the hierarchy in a browser such as [OLS](http://www.ebi.ac.uk/ols/ontologies/idpo). Provide IDs (e.g., IDPO:0000123).
+
+**Rationale / use case**
+Why is this term needed? Where will it be used?
+
+**Attribution**
+If you would like a nano attribution, please indicate your ORCID id
+
+**Additional Information**