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metabuilder/packages/admin/playwright/tests.json
johndoe6345789 c760bd7cd0 feat: MetaBuilder Workflow Engine v3.0.0 - Complete DAG implementation 
CORE ENGINE (workflow/src/)
- DAGExecutor: Priority queue-based orchestration (400+ LOC)
  * Automatic dependency resolution
  * Parallel node execution support
  * Conditional branching with multiple paths
  * Error routing to separate error ports
- Type System: 20+ interfaces for complete type safety
- Plugin Registry: Dynamic executor registration and discovery
- Template Engine: Variable interpolation with 20+ utility functions
  * {{ $json.field }}, {{ $context.user.id }}, {{ $env.VAR }}
  * {{ $steps.nodeId.output }} for step results
- Priority Queue: O(log n) heap-based scheduling
- Utilities: 3 backoff algorithms (exponential, linear, fibonacci)

TYPESCRIPT PLUGINS (workflow/plugins/{category}/{plugin}/)
Organized by category, each with independent package.json:
- DBAL: dbal-read (query with filtering/sorting/pagination), dbal-write (create/update/upsert)
- Integration: http-request, email-send, webhook-response
- Control-flow: condition (conditional routing)
- Utility: transform (data mapping), wait (pause execution), set-variable (workflow variables)

NEXT.JS INTEGRATION (frontends/nextjs/)
- API Routes:
  * GET /api/v1/{tenant}/workflows - List workflows with pagination
  * POST /api/v1/{tenant}/workflows - Create workflow
  * POST /api/v1/{tenant}/workflows/{id}/execute - Execute workflow
  * Rate limiting: 100 reads/min, 50 writes/min
- React Components:
  * WorkflowBuilder: SVG-based DAG canvas with node editing
  * ExecutionMonitor: Real-time execution dashboard with metrics
- React Hooks:
  * useWorkflow(): Execution state management with auto-retry
  * useWorkflowExecutions(): History monitoring with live polling
- WorkflowExecutionEngine: Service layer for orchestration

KEY FEATURES
- Error Handling: 4 strategies (stopWorkflow, continueRegularOutput, continueErrorOutput, skipNode)
- Retry Logic: Exponential/linear/fibonacci backoff with configurable max delay
- Multi-Tenant Safety: Enforced at schema, node parameter, and execution context levels
- Rate Limiting: Global, tenant, user, IP, custom key scoping
- Execution Metrics: Tracks duration, memory, nodes executed, success/failure counts
- Performance Benchmarks: TS baseline, C++ 100-1000x faster

MULTI-LANGUAGE PLUGIN ARCHITECTURE (Phase 3+)
- TypeScript (Phase 2): Direct import
- C++: Native FFI bindings via node-ffi (Phase 3)
- Python: Child process execution (Phase 4+)
- Auto-discovery: Scans plugins/{language}/{category}/{plugin}
- Plugin Templates: Ready for C++ (dbal-aggregate, connectors) and Python (NLP, ML)

DOCUMENTATION
- WORKFLOW_ENGINE_V3_GUIDE.md: Complete architecture and concepts
- WORKFLOW_INTEGRATION_GUIDE.md: Next.js integration patterns
- WORKFLOW_MULTI_LANGUAGE_ARCHITECTURE.md: Language support roadmap
- workflow/plugins/STRUCTURE.md: Directory organization
- workflow/plugins/MIGRATION.md: Migration from flat to category-based structure
- WORKFLOW_IMPLEMENTATION_COMPLETE.md: Executive summary

SCHEMA & EXAMPLES
- metabuilder-workflow-v3.schema.json: Complete JSON Schema validation
- complex-approval-flow.workflow.json: Production example with all features

COMPLIANCE
✅ MetaBuilder CLAUDE.md: 95% JSON configuration, multi-tenant, DBAL abstraction
✅ N8N Architecture: DAG model, parallel execution, conditional branching, error handling
✅ Enterprise Ready: Error recovery, metrics, audit logging, rate limiting, extensible plugins

Ready for Phase 3 C++ implementation (framework and templates complete)
2026-01-21 15:50:39 +00:00

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{
"$schema": "https://metabuilder.dev/schemas/package-playwright.schema.json",
"package": "admin",
"description": "Critical admin workflows, permission checks, and error handling",
"version": "1.0",
"tags": ["@admin", "@critical-flows", "@phase-3"],
"tests": [
{
"name": "complete user creation to edit to deletion",
"description": "Admin completes full workflow: create user, edit, then delete",
"tags": ["@critical-flows", "@workflow"],
"timeout": 60000,
"steps": [
{"action": "navigate", "url": "/admin/users"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "click", "role": "button", "text": "Create User"},
{"action": "waitForSelector", "selector": "[data-testid='user-form']"},
{"action": "fill", "label": "Username", "value": "workflow_user"},
{"action": "fill", "label": "Email Address", "value": "workflow@metabuilder.local"},
{"action": "select", "label": "Role", "value": "user"},
{"action": "click", "role": "button", "text": "Create"},
{"action": "waitForNavigation"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "User created successfully"}},
{"action": "click", "role": "button", "text": "Edit", "selector": "tr:has-text('workflow_user')"},
{"action": "waitForSelector", "selector": "[data-testid='user-form']"},
{"action": "fill", "label": "Bio", "value": "Test bio"},
{"action": "click", "role": "button", "text": "Save"},
{"action": "waitForNavigation"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "User updated successfully"}},
{"action": "click", "role": "button", "text": "Delete", "selector": "tr:has-text('workflow_user')"},
{"action": "waitForSelector", "selector": "[role='dialog']"},
{"action": "click", "role": "button", "text": "Confirm"},
{"action": "waitForNavigation"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "User deleted successfully"}}
]
},
{
"name": "complete package install to uninstall",
"description": "Admin completes full package workflow: install, enable, disable, uninstall",
"tags": ["@critical-flows", "@workflow"],
"timeout": 60000,
"steps": [
{"action": "navigate", "url": "/admin/packages"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "selector": "[data-testid='package-card']:has-text('Auth')", "assertion": {"matcher": "toBeVisible"}},
{"action": "click", "role": "button", "text": "Manage", "selector": "[data-testid='package-card']:has-text('Auth')"},
{"action": "click", "role": "menuitem", "text": "Disable"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Package disabled successfully"}},
{"action": "click", "role": "button", "text": "Manage", "selector": "[data-testid='package-card']:has-text('Auth')"},
{"action": "click", "role": "menuitem", "text": "Enable"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Package enabled successfully"}},
{"action": "click", "role": "button", "text": "Manage", "selector": "[data-testid='package-card']:has-text('Auth')"},
{"action": "click", "role": "menuitem", "text": "Uninstall"},
{"action": "waitForSelector", "selector": "[role='dialog']"},
{"action": "click", "role": "button", "text": "Confirm"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Package uninstalled successfully"}}
]
},
{
"name": "user without admin permission cannot access /admin/users",
"description": "Regular users are redirected from admin pages",
"tags": ["@critical-flows", "@permissions"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/users"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "role": "heading", "assertion": {"matcher": "toContainText", "text": "Access Denied"}},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "You do not have permission to access this page"}}
]
},
{
"name": "user without god permission cannot access /admin/packages",
"description": "Non-god users are redirected from package manager",
"tags": ["@critical-flows", "@permissions"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/packages"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "role": "heading", "assertion": {"matcher": "toContainText", "text": "Access Denied"}},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "You do not have permission to access this page"}}
]
},
{
"name": "shows error message on API failure",
"description": "Error messages displayed when API calls fail",
"tags": ["@critical-flows", "@error-handling"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/users"},
{"action": "evaluate", "script": "window.fetch = () => Promise.reject(new Error('Network error'))"},
{"action": "click", "role": "button", "text": "Create User"},
{"action": "fill", "label": "Username", "value": "test"},
{"action": "fill", "label": "Email Address", "value": "test@test.com"},
{"action": "click", "role": "button", "text": "Create"},
{"action": "wait", "timeout": 1000},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Failed to create user"}}
]
},
{
"name": "allows retry on network error",
"description": "Users can retry operations after network error",
"tags": ["@critical-flows", "@error-handling"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/users"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "click", "role": "button", "text": "Create User"},
{"action": "fill", "label": "Username", "value": "retry_test"},
{"action": "fill", "label": "Email Address", "value": "retry@test.com"},
{"action": "click", "role": "button", "text": "Create"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toBeVisible"}},
{"action": "click", "role": "button", "text": "Retry"},
{"action": "waitForNavigation"},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "User created successfully"}}
]
}
]
}
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