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johndoe6345789 5ac579a2ed feat: Add Python plugins from AutoMetabuilder + restructure workflow folder

Restructure workflow/ for multi-language plugin support:
- Rename src/ to core/ (engine code: DAG executor, registry, types)
- Create executor/{cpp,python,ts}/ for language-specific runtimes
- Consolidate plugins to plugins/{ts,python}/ by language then category

Add 80+ Python plugins from AutoMetabuilder in 14 categories:
- control: bot control, switch logic, state management
- convert: type conversions (json, boolean, dict, list, number, string)
- core: AI requests, context management, tool calls
- dict: dictionary operations (get, set, keys, values, merge)
- list: list operations (concat, find, sort, slice, filter)
- logic: boolean logic (and, or, xor, equals, comparisons)
- math: arithmetic operations (add, subtract, multiply, power, etc.)
- string: string manipulation (concat, split, replace, format)
- notifications: Slack, Discord integrations
- test: assertion helpers and test suite runner
- tools: file operations, git, docker, testing utilities
- utils: filtering, mapping, reducing, condition branching
- var: variable store operations (get, set, delete, exists)
- web: Flask server, environment variables, JSON handling

Add language executor runtimes:
- TypeScript: direct import execution (default, fast startup)
- Python: child process with JSON stdin/stdout communication
- C++: placeholder for native FFI bindings (Phase 3)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-21 16:08:08 +00:00

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DBAL Read Node Plugin

Query database with filtering, sorting, and pagination support.

Installation

npm install @metabuilder/workflow-plugin-dbal-read

Usage

{
  "id": "read-users",
  "type": "operation",
  "nodeType": "dbal-read",
  "parameters": {
    "entity": "User",
    "operation": "read",
    "filter": {
      "tenantId": "{{ $context.tenantId }}",
      "status": "active"
    },
    "sort": { "createdAt": -1 },
    "limit": 50,
    "offset": 0
  }
}

Operations

read

Query database records with optional filtering and sorting.

validate

Validate input data against rules.

aggregate

Perform aggregation queries (group by, count, sum, etc.).

Parameters

entity (required): Entity name to query
operation: Operation type (read, validate, aggregate)
filter: Filter conditions
sort: Sort order
limit: Max results (default: 100)
offset: Pagination offset (default: 0)

Features

Multi-tenant safe (enforces tenantId filtering)
Template variable interpolation in filters
Input validation with flexible rules
Aggregation support
Automatic pagination

License

MIT

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