zyratlo opened a new issue, #5261:
URL: https://github.com/apache/texera/issues/5261
### Task Summary
Introduce the frontend orchestration service that sits between the upcoming
migration-tool UI and the lower layers — the LLM client
(`migration-tool-llm-client`) and the backend microservice
(`migration-tool-backend-notebook-migration-service`). Centralises model
lookup, the LLM-conversion lifecycle, the HTTP calls into the
notebook-migration microservice, and the in-memory cell↔operator mapping cache.
### Scope
Adds two files under
`frontend/src/app/workspace/service/notebook-migration/`:
- `notebook-migration.service.ts` (~195 lines) —
`NotebookMigrationService`, an Angular `providedIn: "root"` service exposing:
- `getAvailableModels()` (GETs the LiteLLM proxy's `/models`)
- `sendToAIGenerateWorkflow(notebook, modelType, apiKey)` (drives the
full `NotebookMigrationLLM` lifecycle — initialize → verify → convert → close —
and returns the resulting workflow + mapping content)
- `sendNotebookToJupyter(notebook)`, `getJupyterURL()`,
`getJupyterIframeURL()` (HTTP calls into the notebook-migration microservice)
- `storeNotebookAndMapping(wid, vid, mapping, notebook)` (microservice
persistence call)
- a small in-memory mapping cache (`hasMapping`, `getMapping`,
`setMapping`, `deleteMapping`) keyed by
`mapping_wid_<workflowId>`
- `notebook-migration.service.spec.ts` (~187 lines)
- `getAvailableModels` (success + error → empty array)
- `sendNotebookToJupyter` (success + error), both Jupyter URL getters
(success + null on failure)
- mapping cache (set/get + delete)
- `storeNotebookAndMapping`
### Task Type
- [ ] Refactor / Cleanup
- [ ] DevOps / Deployment / CI
- [ ] Testing / QA
- [ ] Documentation
- [ ] Performance
- [x] Other
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