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VQA/Hybrid loop visualization (VQE + QML) #5

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@q-inho

QAVE currently visualizes a single circuit run in three stages: (1) state/density evolution, (2) shots accumulating, and (3) the final shot histogram. Many modern algorithms (VQE and QML) add an extra “hybrid” layer where a classical optimizer repeats the circuit many times with updated parameters.

Add a Stage 4 mode that visualizes this hybrid loop across iterations: show how the objective (energy/loss) changes over time and let the user pick an iteration to view the usual Stage 1–3 visuals for that iteration’s circuit run.

Currently I expected QAVE can demonstrate a small VQE example and a small QML example with an iteration curve + per-iteration circuit/measurement playback in the viewer.

Other proposals for hybrid/VQA visualization are welcome for discussion.

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