Add per-IED print preview and harden IO FAT reconnect reporting

[masarray]

Purpose

Address field feedback in the workbook-driven IO List FAT workspace:

1. port the ARIEC60870-style report preview into the selected IED workspace
2. keep preparation progress only on the IED card
3. prevent stale/late progress callbacks from leaving CONNECTING visible forever
4. make reconnect explicitly reuse the saved endpoint and discovery model
5. give static/dynamic Reporting enough time and one controlled rebuild before accepting MMS fallback

Per-IED print preview

• adds Print Preview to the IO FAT header
• switches the selected IED workspace between Signals and a WebBrowser report preview
• follows the selected IED in Explorer
• refreshes from current evidence and marks active evidence as DRAFT / LIVE
• supports browser Print and native per-IED PDF export
• keeps project-wide PDF and .arsas export unchanged

The implementation follows the project-owned ARIEC60870 pattern: standalone HTML is generated from current evidence and rendered with WebBrowser.NavigateToString.

Progress and reconnect

• removes the main-workspace preparation surface at runtime
• retains only the card-local progress bar
• clears stale IsPreparing flags after the true preparation owner completes
• uses ConnectUsingSavedModelAsync first when endpoint/model cache is available
• falls back to one full discovery only when cached reconnect fails

Reporting priority

• static configured RCB/DataSet first
• temporary dynamic DataSet/URCB for uncovered points
• bounded MMS fallback last
• waits for report planning to settle
• evaluates each imported point's acquisition source
• rebuilds the report plan once when polling remains and dynamic reporting is allowed
• reports final report-backed versus fallback counts honestly
• no process control calls

Automated validation at head 4ef19049357404a34501b45d961ce1b8111241a0

Validate IO List Testing run 40 — success

• WPF/WebBrowser compilation succeeded
• complete focused IO FAT regression suite passed
• per-IED preview/scoping, HTML encoding, native PDF scope, stale progress guard, cached reconnect, report settle/retry, evidence, persistence, Excel, PDF and .arsas contracts passed

Build ARSAS run 788 — success

• source, website, license, premium UX, protocol and immutable engine invariants passed
• full solution build and complete application regression suite passed
• portable Windows x64 publication and artifact upload succeeded

Validate SV evidence bundles run 72 — success

• Sampled Values evidence workflow remains unaffected

No review threads are open.

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Keep preview and exported PDF signal scopes consistent

When an operator disables test points, this filter removes them from both the preview table and its metrics, but ExportSelectedIedPdf_Click passes the original IED to IoFatPdfReportService, whose DrawIedSection iterates every ied.TestPoints entry without checking TestEnabled. The resulting per-IED PDF therefore contains signals that were absent from the print preview and may count them as pending; either preview the complete export scope or filter the scoped project before generating the PDF.

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[chatgpt-codex-connector]

Recognize the runtime's static and dynamic report labels

For an active RCB whose name is something ordinary such as Events or RP01, the runtime emits CurrentSource as Static: Events or Dynamic: RP01 (NativeIec61850Client.BuildAcquisitionLabel), neither of which matches these tokens. ObserveIoFatAcquisitionAsync consequently treats genuinely report-backed points as unknown, waits the full timeout, and then reports report-backed 0/N; recognize the emitted Static:/Dynamic: acquisition prefixes rather than relying on the vendor-defined RCB name.

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