Fix analysis summary report not appearing after importing moves

[Copilot]

When analysis is started by importing moves (rather than loading an existing game), the summary report was invisible until the user manually clicked the last node. This is because ImportMovesHandler sets MoveTreeWidget.#selectedNode internally without firing any listeners, leaving AnalysisBoardPage unaware of the new position — engine analysis continued on the start FEN and no summary check was triggered.

Changes

• import-moves-handler.js — Added optional afterImportCallback (3rd param); invoked on successful import.
• move-history-drop-down-menu.js — Threads an optional afterImportCallback (6th ctor param) through to the ImportMovesHandler it owns.
• analysis-board.js — Both import entry points now pass a callback that calls #handleNodeSelected() (syncs engine to the imported position) and #scheduleRenderAnalysisSummaryIfPossible() (triggers immediate summary check if background analysis is already done):

() => {
    this.#handleNodeSelected();
    this.#scheduleRenderAnalysisSummaryIfPossible();
}

[benckx]

@copilot resolve the merge conflicts in this pull request

[Copilot]

@copilot resolve the merge conflicts in this pull request

Merged master into the branch and resolved the changelog conflict in 5cf6d55. The master's entries for 2026-05-29 through 2026-05-31 were inserted before our 2026-05-28 entry, keeping the date order correct.