First deployment

openspec/specs/end-to-end-system-testing/spec.md

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+## Purpose
+
+Canonical specification for end-to-end-system-testing requirements synced from OpenSpec change deltas.
+
+## Requirements
+
+### Requirement: End-to-end coverage spans UI, API, and DB effects
+The system SHALL provide end-to-end tests that validate full workflows across UI, API, and persisted database outcomes.
+
+#### Scenario: Core user flow E2E
+- **WHEN** a core browsing flow is executed in E2E tests
+- **THEN** UI behavior, API responses, and DB side effects match expected outcomes
+
+### Requirement: Edge-case workflows are covered
+The system SHALL include edge-case E2E tests for critical failure and boundary conditions.
+
+#### Scenario: Failure-state E2E
+- **WHEN** an edge case is triggered (empty data, unavailable upstream, invalid permalink, etc.)
+- **THEN** system response remains stable and user-safe
+- **AND** no unhandled runtime errors occur