Move export validation from backend errors to frontend warnings

[travisformayor]

Export errors during auto-save created a stream of toast notifications in SynBioSuite.

• Backend (MxToSBML.java, MxToSBOL.java) skips incomplete elements (missing promoters, disconnected edges, null species) and logs to stderr instead of throwing
• Frontend ProblemsComponent checks for the same conditions and shows warnings in the Problems dropdown
• Removed error postMessage from auto-export sending all the toast notifications to SynBioSuite
• Fixed setInterval leak in ProblemsComponent, timer was never cleared on destroy
• Fixed SBML parameter names from kr_f_<id> to kr_<id>_f to match iBioSim
• Reduced SBML auto-export debounce from 2000ms to 1000ms

[github-actions]

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[Copilot]

Pull request overview

Moves export-time validation from backend exceptions/toast notifications into frontend “Problems” warnings to reduce noisy autosave UX, while keeping exports best-effort.

Changes:

• Frontend: add SBML/SBOL export validation warnings in ProblemsComponent and fix its interval cleanup.
• Frontend: stop posting auto-export errors to the embedded parent and reduce SBML debounce to 1000ms.
• Backend: make SBOL/SBML exporters skip incomplete/invalid elements instead of throwing; adjust SBML parameter naming to match iBioSim.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
SBOLCanvasFrontend/src/app/problems/problems.component.ts	Adds new validation checks + clears the validation timer on destroy.
SBOLCanvasFrontend/src/app/graph.service.ts	Removes embedded error postMessage calls and reduces SBML debounce interval.
SBOLCanvasFrontend/src/app/graph-helpers.ts	Exposes event/interaction dict accessors publicly for UI validation.
SBOLCanvasBackend/src/utils/MxToSBOL.java	Wraps SBOL export steps in try/catch to skip invalid elements and warn to stderr.
SBOLCanvasBackend/src/utils/MxToSBML.java	Skips invalid SBML constructs instead of throwing; renames parameters; adjusts error handling behavior.

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[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://blue-flower-0c36fd81e-415.westus2.5.azurestaticapps.net

[travisformayor]

export validation now produces frontend warnings

[github-actions]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://blue-flower-0c36fd81e-415.westus2.5.azurestaticapps.net