* fix(codegen): prevent NullRef in GenerateAddFKModel, skip readonly fields in test gen [BUG-1] - Add null guard at entry of GenerateAddFKModel (t == null → return "") - Add null check before dereferencing fktype.Name in GenerateTest and GenerateAddFKModel - Add fktype != null guards in recursive FK resolution to avoid null propagation - Add pro.SetMethod != null check in GetRandomValues to skip get-only properties, preventing generated test code from assigning values to readonly fields Upstream: dotnetcore/WTM#490, dotnetcore/WTM#654 Part of #14 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(upload): handle non-image files in UploadImage action [BUG-2] - Wrap Image.Load() in try-catch: ImageSharp throws UnknownImageFormatException when a non-image file is uploaded (never returns null as the old null check assumed) - Return 400 Bad Request instead of propagating unhandled exception (500) Upstream: dotnetcore/WTM#652 Part of #14 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(tenant): file access bypasses tenant query filter via IgnoreQueryFilters [BUG-3] - FileAttachment implements ITenant, so EF applies TenantCode query filter to all lookups - Files uploaded by system admin (TenantCode=null) were invisible to tenant users because the filter WHERE TenantCode = 'tenant_a' excluded NULL-tenant files - Fix: use IgnoreQueryFilters() in GetFile, DeleteFile, GetFileName so files are retrieved by ID regardless of tenant — file IDs (UUIDs) already serve as capability tokens Upstream: dotnetcore/WTM#650 Part of #14 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * feat(multidb): add Enabled toggle per database connection [BUG-7] - Add Enabled property to CS config model (default: true for backward compatibility) - Filter disabled connections in AddWtm startup loop (skip EnsureCreate) - Wrap EnsureCreate() in try-catch so one bad connection doesn't block others - Update GetCS() routing to exclude disabled connections and their read replicas - Guard CreateDC() in WTMContext: throws clear InvalidOperationException when code attempts to use a disabled connection at runtime Allows graceful degradation when Oracle or other secondary DB is unreachable. Set Enabled: false in appsettings.json Connections array to disable a connection. Part of #16 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * perf(oracle): add DbConnectionWarmupService to pre-warm connection pools [BUG-8] - BackgroundService runs 2s after startup, calls CanConnectAsync() on each enabled connection to pre-warm the connection pool - Moves Oracle's ~60s cold start (TNS resolution, pool creation, ODP.NET metadata loading) from first user request to app boot (background) - Fault-tolerant: logs warning on failure, never crashes app or blocks startup - Respects BUG-7 Enabled toggle: skips disabled connections Root cause: ODP.NET cold start includes TNS resolution, connection pool creation, internal metadata loading, and self-tuning calibration — all on first Open(). Pre-warming with CanConnectAsync() during boot triggers all of this up front. Part of #16 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(workflow): Elsa workflow tables not auto-created in MySQL [BUG-4] - MySQL treats schema = database; applying the default Elsa schema name "Elsa" causes EF Core to look for a separate MySQL database that may not exist - Fix: return null schema for MySQL (via ProviderName check), same as Oracle - This allows Elsa to create its tables in the current MySQL database without a schema prefix Upstream: dotnetcore/WTM#659 Part of #15 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(codegen): resolve path configuration failures in non-standard environments [BUG-5] - MainDir computation: fix crash when AppDomain.BaseDirectory lacks \bin\Debug\ or \bin\Release\ (e.g. dotnet run from repo root, Docker containers, published apps). Previous code set index=-1 and called Substring(0,-1) → ArgumentOutOfRangeException. Fix: fall back to Directory.GetCurrentDirectory() when bin path not found. - GetAllModels(): guard against null DcConstructor (e.g. connections with Enabled=false from BUG-7 fix, or when no matching DataContext constructor is found via reflection). Upstream: dotnetcore/WTM#661 Part of #15 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(ui): ComboBox respects item.Selected when no DefaultValue set [BUG-6] When the user provides a custom Items list with pre-set Selected=true flags and no field model value or DefaultValue is resolved (selectVal is empty), the previous code forced all items to Selected=false, ignoring the user's intent. Fix: only override item selection state when selectVal has entries. If selectVal is empty, the existing Selected values on items are preserved. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * docs: update README CI badges to GitHub Actions (.NET 8) Replace stale Azure Pipelines badges (legacy .NET 2.2/3.1/5/6) with current GitHub Actions badge targeting dotnet8 branch. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> --------- Co-authored-by: cct0831 <cct0831github@gmail.com> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

上传图片报错，上传接口请求异常 #652

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