Fix Razor build errors and address PR review comments

[Copilot]

Fixes 13 Razor compiler errors introduced in the portal UI build (b8bb463) and addresses five review comments from PR #507.

Build fixes

CS0246 — missing [Authorize] namespace (Reports, PaymentRuns, Workflows, PremiumBilling)
Added @using Microsoft.AspNetCore.Authorization to _Imports.razor rather than repeating it per-file.

RZ9986 — mixed C# and markup in Style attributes (AssignPcpDialog, ClaimDetailsNew)
Razor disallows interleaving literal text with @(...) in attribute values. Converted to single expressions:

- Style="color: @(bc.DeductibleMet ? "#00ff88" : "#ffaa00");"
+ Style="@(bc.DeductibleMet ? "color: #00ff88;" : "color: #ffaa00;")"

RZ9999 — shadowed context in nested RowTemplate (EdiOperations)
Inner MudTable RowTemplate inside ChildRowContent conflicted with the outer context. Fixed with an explicit Context="record" rename.

Review comment fixes

• solutions-payers.html — escaped <1 → <1 so <1 hour deployment renders rather than being treated as a tag
• cho-assessment.md + assessment.html — removed duplicate "Lengthy implementation timelines" bullet from the Traditional Vendors list (copy/paste leftover)
• Apis.razor — Patient Access API "Try in Demo" now deep-links to /demo/members instead of the generic /demo landing, consistent with all other API cards

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[aurelianware]

@copilot Error: buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c dotnet build -c Release -o /app/build" did not complete successfully: exit code: 1

[Copilot]

@copilot Error: buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c dotnet build -c Release -o /app/build" did not complete successfully: exit code: 1

Fixed in commit 85d9205. Two root causes:

1. CS0101 namespace conflict — Pages/Error.razor generated class Error in namespace CloudHealthOffice.Portal.Pages, while Pages/Error/AdminConsentRequired.razor created a sub-namespace CloudHealthOffice.Portal.Pages.Error. C# (via Roslyn) treats having a class and a sub-namespace with the same name as a duplicate definition. Fixed by renaming Error.razor → AppError.razor; the @page "/error" route is unchanged so all Navigation.NavigateTo("/error") calls continue to work.

2. CS0117 invalid icon — Icons.Material.Filled.CalculateOutlined doesn't exist in MudBlazor 6.x (line 614 of ClaimDetailsNew.razor). This error was previously masked by earlier compile failures. Fixed by using Icons.Material.Filled.Calculate.

Both dotnet build (Debug) and dotnet build -c Release now succeed locally.

[github-actions]

Package	Line Rate	Branch Rate	Health
CloudHealthOffice.Portal	2%	2%	❌
CloudHealthOffice.Portal	2%	2%	❌
Summary	2% (390 / 20508)	2% (96 / 5156)	❌

[Copilot]

Pull request overview

This PR fixes Razor build breaks in the Portal UI and applies a few small content/UI updates that address prior review feedback (notably around demo deep-links and static site copy).

Changes:

• Added a shared Razor import for Microsoft.AspNetCore.Authorization to resolve missing [Authorize]/[AllowAnonymous] compile errors across pages.
• Fixed Razor compiler issues in MudBlazor templates/attributes (nested context shadowing; mixed markup/C# in Style attributes).
• Applied small UI/content fixes: corrected HTML escaping, removed duplicate bullets, and deep-linked the Patient Access API “Try in Demo” button to /demo/members.

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/site/solutions-payers.html	Escapes <1 to &lt;1 so the text renders correctly in HTML.
src/site/assets/cho-assessment.md	Removes a duplicated bullet in the “Traditional Vendors” list.
src/site/assessment.html	Removes the same duplicated bullet in the rendered HTML version.
src/portal/CloudHealthOffice.Portal/_Imports.razor	Adds Microsoft.AspNetCore.Authorization to resolve Razor attribute namespace errors globally.
src/portal/CloudHealthOffice.Portal/Pages/EdiOperations.razor	Renames the inner MudTable row context to avoid context shadowing (RZ9999).
src/portal/CloudHealthOffice.Portal/Pages/ClaimDetailsNew.razor	Fixes Style attribute Razor parsing (RZ9986) and updates the tab icon constant.
src/portal/CloudHealthOffice.Portal/Pages/AppError.razor	Adds an anonymous-accessible /error page for account-load failure messaging.
src/portal/CloudHealthOffice.Portal/Pages/Apis.razor	Updates the Patient Access API demo button to deep-link to /demo/members.
src/portal/CloudHealthOffice.Portal/Dialogs/AssignPcpDialog.razor	Converts mixed text/expression Style attribute to a single expression (RZ9986).