Add deterministic path engine, UI diagnostics/wizard, and scene automation; harden Host Tools/security handling

[sircharlo]

Motivation

• Improve reliability against Zoom UI changes by introducing deterministic navigation paths and explicit checks before acting on UI elements.
• Provide operators with diagnostics and a lightweight wizard to re-map changed UI labels without editing INI files.
• Enable external integrations (Electron/CLI) to trigger well-defined automation "scenes" and make security toggles more robust.

Description

• Added a new path engine Includes/ZoomPathEngine.au3 with helpers like EnsureZoomMainWindow, EnsureHostToolsVisible, and EnsureSecurityToggleVisible to discover UI scope before actions and report user-facing path errors via ReportUserFacingError in Includes/Utils.au3.
• Refactored host-tools logic in Includes/ZoomOperations.au3 to support legacy flyout and new side-panel layouts via _FindHostToolsContainer and made _OpenHostTools more resilient (tries direct button, then More menu, then finds container).
• Hardened security toggle handling in Includes/Settings.au3 by using UIA toggle state when available and falling back to label parsing, and moved toggle discovery into EnsureSecurityToggleVisible.
• Added UI features in Includes/GUI.au3 and Includes/Globals.au3: an error display area, UI Diagnostics and Path Wizard buttons, and back-compat migration in Includes/Config.au3 to move legacy day fields into the Meetings section; SaveConfigGUI now writes day settings to the Meetings section.
• Implemented diagnostics and mapping tools: RunUIDiagnostics (captures element names to zoom_ui_diagnostics.txt) and RunPathCaptureWizard (prompts and persists More, HostTools, and Participants labels to INI and g_UserSettings).
• Added convenience automation helpers in Includes/MeetingAutomation.au3: EnsureGalleryView, PulseSpotlightHostVideo (placeholder), and RunAutomationScene with CLI integration in ZoomMate.au3 to run prepost and prestart scenes when invoked with --scene.
• Improved i18n robustness in Includes/i18n.au3 with lazy/idempotent translation initialization and minor API variable renames to avoid shadowing.
• Documentation updates in README.md describing CLI scene usage and the new reliability/diagnostics toolkit.

Testing

• No automated tests were added or executed as part of this change."}

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