Load for reliable post-commit messaging, domain/integration event delivery, transactional outbox tables, dispatch workers, retries, idempotent consumers, duplicate delivery, or dual-write failure; not for synchronous in-process events with no external side effect.
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ABOUTME: Transactional outbox pattern skill for reliable at-least-once event delivery. ABOUTME: Covers OutboxMessage entity, OutboxProcessor, retry/dead-letter, and specialized variants.
Guid in C#, uuidv7() in PostgreSQL) — not auto-increment.TryMarkAsProcessing uses optimistic concurrency — returns bool, no exceptions on contention.InitialRetryDelaySeconds × 2^retryCount, capped at MaxRetryDelaySeconds.MaxRetries exhausted, status transitions to DeadLettered — messages stay in DB indefinitely for monitoring.LoggingOutboxMessageDispatcher is the default no-op — real dispatchers must be registered to replace it.OutboxMessage, PolicyChangeOutbox (settings), PdsSyncOutbox (AT Protocol federation). Each has its own entity and repository.PeriodicTimer — not event-driven. Default interval: 5 seconds.resources/entity-model.md — OutboxMessage fields, status lifecycle, EF configurationresources/processor-configuration.md — OutboxProcessor settings, retry strategy, dead-letterresources/dispatcher-patterns.md — IOutboxMessageDispatcher, specialized variantsresources/database-schema.md — Indexes, queries, database conventionsdocs/internal/OUTBOX_PATTERN.mddocs/internal/ARCHITECTURE.md (Background Services section).agents/skills/dotnet-efcore-guidelines/SKILL.md.agents/skills/clean-architecture-rules/SKILL.mdNo reviews yet. Tell others what you thought.
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Load for Blazor/MudBlazor UI changes involving forms, dialogs, focus, keyboard navigation, landmarks, ARIA, color contrast, RTL-safe styling, or WCAG 2.2 AA tests; not for backend-only changes.
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Load when a task asks to research, verify, compare, or look up framework/package behavior, release notes, standards, RFCs, CVEs, or unfamiliar APIs; use repository evidence first, then official docs, and not for codebase navigation alone.
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Load for Aspire AppHost work: start/stop/wait resources, inspect dashboard/logs/traces, add integrations/resources, rebuild a service, run isolated worktrees, or diagnose Aspire orchestration; not for plain dotnet apps, container-only deployments, or cloud deployment.
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Load for authentication or authorization changes involving BFF cookies/tokens, JWT validation, claims/user ID extraction, policies, handler access checks, impersonation, or 401/403 bugs; not for UI affordance gating alone.
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Load for Blazor BFF server work involving YARP proxy routes, cookie sessions, access-token forwarding/refresh, downstream API calls, BFF handlers, or browser-to-API auth failures; not for client component rendering or API JWT validation alone.
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Load when editing Blazor `.razor.css`, scoped selectors, `::deep`, BEM class names, RTL/logical CSS properties, or styling nested MudBlazor components; not for global design tokens or non-Blazor CSS.
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