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metabuilder/packages/database_manager/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": "database_manager",
"description": "Database administration panel - Statistics, entity browser, export/import",
"version": "1.0",
"tags": ["@admin", "@database-management", "@phase-3"],
"tests": [
{
"name": "can view database statistics",
"description": "Database stats tab displays system statistics",
"tags": ["@database-admin", "@stats"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "click", "role": "tab", "text": "Statistics"},
{"action": "expect", "testId": "stats-panel", "assertion": {"matcher": "toBeVisible"}},
{"action": "expect", "selector": "[data-testid='user-count']", "assertion": {"matcher": "toContainText", "text": "3"}},
{"action": "expect", "selector": "[data-testid='package-count']", "assertion": {"matcher": "toContainText", "text": "12"}}
]
},
{
"name": "can refresh database statistics",
"description": "Refresh button updates statistics",
"tags": ["@database-admin", "@stats"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Statistics"},
{"action": "waitForSelector", "selector": "[data-testid='stats-panel']"},
{"action": "click", "role": "button", "text": "Refresh"},
{"action": "wait", "timeout": 1000},
{"action": "expect", "selector": "[data-testid='user-count']", "assertion": {"matcher": "toBeVisible"}}
]
},
{
"name": "stats show health indicator",
"description": "Database statistics show health indicator badge",
"tags": ["@database-admin", "@stats"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Statistics"},
{"action": "expect", "selector": "[data-testid='health-badge']", "assertion": {"matcher": "toBeVisible"}},
{"action": "expect", "selector": "[data-testid='health-badge']", "assertion": {"matcher": "toHaveClass", "className": "badge-success"}}
]
},
{
"name": "can browse entity records",
"description": "Entity browser displays records for selected entity type",
"tags": ["@database-admin", "@browser"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Entity Browser"},
{"action": "click", "label": "Entity Type"},
{"action": "click", "role": "option", "text": "User"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "expect", "testId": "entity-table", "assertion": {"matcher": "toBeVisible"}},
{"action": "expect", "selector": "tbody tr", "assertion": {"matcher": "toHaveCount", "count": 3}}
]
},
{
"name": "can sort entity records",
"description": "Entity browser table columns can be sorted",
"tags": ["@database-admin", "@browser"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Entity Browser"},
{"action": "click", "label": "Entity Type"},
{"action": "click", "role": "option", "text": "User"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "click", "role": "columnheader", "text": "Username"},
{"action": "wait", "timeout": 500},
{"action": "expect", "selector": "tbody tr:first-child", "assertion": {"matcher": "toContainText", "text": "admin"}}
]
},
{
"name": "can filter entity records",
"description": "Entity browser records can be filtered",
"tags": ["@database-admin", "@browser"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Entity Browser"},
{"action": "click", "label": "Entity Type"},
{"action": "click", "role": "option", "text": "User"},
{"action": "waitForLoadState", "state": "networkidle"},
{"action": "fill", "placeholder": "Filter records...", "value": "admin"},
{"action": "wait", "timeout": 500},
{"action": "expect", "selector": "tbody tr", "assertion": {"matcher": "toHaveCount", "count": 1}}
]
},
{
"name": "can export database as JSON",
"description": "User can export database as JSON format",
"tags": ["@database-admin", "@export"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Export/Import"},
{"action": "click", "label": "Export Format"},
{"action": "click", "role": "option", "text": "JSON"},
{"action": "click", "role": "button", "text": "Export"},
{"action": "wait", "timeout": 2000},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Export successful"}}
]
},
{
"name": "can export database as YAML",
"description": "User can export database as YAML format",
"tags": ["@database-admin", "@export"],
"timeout": 30000,
"steps": [
{"action": "navigate", "url": "/admin/database"},
{"action": "click", "role": "tab", "text": "Export/Import"},
{"action": "click", "label": "Export Format"},
{"action": "click", "role": "option", "text": "YAML"},
{"action": "click", "role": "button", "text": "Export"},
{"action": "wait", "timeout": 2000},
{"action": "expect", "role": "alert", "assertion": {"matcher": "toContainText", "text": "Export successful"}}
]
}
]
}
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