refactor: move buildable .NET source into src/, update CI/doc paths

Groups the repo root into src (buildable source), docs (already existed),
and everything else (db/, scripts/, tests/, deploy/ - deployment/ops/test
assets that aren't compiled, already organized as their own folders). CI
now only needs src/ to build: dotnet restore/build/test/publish all point
at src/TaxBaik.sln, src/TaxBaik.Web/, src/TaxBaik.Proxy/.

- git mv every project (Domain, Infrastructure, Application,
  Application.Tests, Web, Web.Client, Proxy) and TaxBaik.sln into src/ as a
  unit, so relative ProjectReference/.sln paths stay valid unchanged.
- .gitea/workflows/deploy.yml: 6 dotnet restore/clean/build/test/publish
  invocations now point at src/. db/migrations and scripts/ stay at root
  (deploy_gb.sh and browser-e2e.yml only touch published output and the
  deployed URL, not source paths - verified, no changes needed there).
- scripts/validate_admin_render.sh: admin render-mode file paths now
  src/TaxBaik.Web.Client/...
- scripts/validate_kst_timestamps.sh: dropped deploy.sh from its target
  list - that script was removed in the prior cleanup commit (dead, no
  CI workflow referenced it) but this validator still expected it to exist.
- CLAUDE.md, docs/ENGINEERING_HARNESS.md, docs/ADMIN_PATTERN_CRITIQUE_WBS.md:
  updated project-structure diagram, dotnet run/build commands, and grep
  targets to the new src/ paths (also fixed a pre-existing stale path in
  ADMIN_PATTERN_CRITIQUE_WBS.md that still said TaxBaik.Web/Components/Admin
  from before that ever moved to TaxBaik.Web.Client).
- Added a Repo Root harness rule + Architecture Guardrail entries: new files
  belong under src/docs/tests/scripts/db/deploy, not loose at root; temp
  work stays outside the repo (or under a gitignored .scratch/) and is
  never committed.

Verified locally: dotnet build/test src/TaxBaik.sln (26/26 tests), and all
three scripts/validate_*.sh pass against the new layout.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/TaxBaik.Web.Client/Components/Admin/Pages/Inquiries/InquiryEdit.razor

@@ -0,0 +1,165 @@
+@page "/admin/inquiries/{id:int}/edit"
+@rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
+@attribute [Authorize]
+@using TaxBaik.Application.DTOs
+@using TaxBaik.WasmClient.Components.Admin.Forms
+@inject IInquiryBrowserClient InquiryClient
+@inject NavigationManager Navigation
+@inject ISnackbar Snackbar
+@inject IDialogService DialogService
+
+<PageTitle>문의 수정</PageTitle>
+
+<AdminCrudPageShell Title="문의 수정"
+                    Eyebrow="Customer Relations"
+                    Subtitle="고객 문의 정보를 수정합니다."
+                    Loading="@isLoading"
+                    SkeletonContent="@EditorSkeleton"
+                    OnCancel="@GoBack">
+    @if (inquiry == null)
+{
+    <MudAlert Severity="Severity.Error" Class="mt-4">문의를 찾을 수 없습니다.</MudAlert>
+}
+else
+{
+    <MudPaper Class="pa-4 mt-4" Elevation="1">
+        <InquiryForm ButtonText="수정" InitialData="formModel" OnSubmit="HandleUpdate" OnCancel="GoBack" />
+
+        <MudDivider Class="my-4" />
+
+        <MudButton Variant="Variant.Outlined" Color="Color.Error" @onclick="DeleteInquiry" Class="mt-2">
+            문의 삭제
+        </MudButton>
+    </MudPaper>
+}
+</AdminCrudPageShell>
+
+@code {
+    [Parameter]
+    public int Id { get; set; }
+
+    private Domain.Entities.Inquiry? inquiry;
+    private InquiryForm.InquiryFormModel? formModel;
+    private bool isLoading = true;
+
+    private RenderFragment EditorSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 3);
+        builder.CloseComponent();
+    };
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            inquiry = await InquiryClient.GetByIdAsync(Id);
+            if (inquiry != null)
+            {
+                formModel = new InquiryForm.InquiryFormModel
+                {
+                    Name = inquiry.Name,
+                    Phone = inquiry.Phone,
+                    Email = inquiry.Email,
+                    ServiceType = inquiry.ServiceType,
+                    Message = inquiry.Message,
+                    Status = inquiry.Status,
+                    AdminMemo = inquiry.AdminMemo
+                };
+            }
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"문의 로드 실패: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            isLoading = false;
+        }
+    }
+
+    private void GoBack()
+    {
+        Navigation.NavigateTo("/taxbaik/admin/inquiries");
+    }
+
+    private async Task HandleUpdate(InquiryForm.InquiryFormModel model)
+    {
+        if (inquiry == null)
+            return;
+
+        try
+        {
+            var updated = await InquiryClient.UpdateAsync(inquiry.Id, new UpdateInquiryDto
+            {
+                Name = model.Name,
+                Phone = model.Phone,
+                Email = model.Email,
+                ServiceType = model.ServiceType,
+                Message = model.Message,
+                Status = model.Status,
+                AdminMemo = model.AdminMemo
+            });
+
+            if (updated == null)
+            {
+                Snackbar.Add("문의 수정에 실패했습니다.", Severity.Error);
+                return;
+            }
+
+            inquiry = updated;
+            formModel = new InquiryForm.InquiryFormModel
+            {
+                Name = inquiry.Name,
+                Phone = inquiry.Phone,
+                Email = inquiry.Email,
+                ServiceType = inquiry.ServiceType,
+                Message = inquiry.Message,
+                Status = inquiry.Status,
+                AdminMemo = inquiry.AdminMemo
+            };
+
+            Snackbar.Add("문의가 수정되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/inquiries");
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"수정 실패: {ex.Message}", Severity.Error);
+        }
+    }
+
+    private async Task DeleteInquiry()
+    {
+        if (inquiry == null)
+            return;
+
+        var result = await DialogService.ShowMessageBox(
+            "문의 삭제",
+            "정말 삭제하시겠습니까? 이 작업은 취소할 수 없습니다.",
+            "삭제", "취소");
+
+        if (result != true)
+            return;
+
+        try
+        {
+            var deleted = await InquiryClient.DeleteAsync(inquiry.Id);
+            if (!deleted)
+            {
+                Snackbar.Add("문의 삭제에 실패했습니다.", Severity.Error);
+                return;
+            }
+            Snackbar.Add("문의가 삭제되었습니다.", Severity.Success);
+            Navigation.NavigateTo("/taxbaik/admin/inquiries");
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"삭제 실패: {ex.Message}", Severity.Error);
+        }
+    }
+}