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feat(auto-fixer): add 5 connection structure fix types

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Add automatic repair for malformed workflow connections commonly
generated by AI models:
- connection-numeric-keys: "0","1" keys → main[0], main[1]
- connection-invalid-type: type:"0" → type:"main" (or parent key)
- connection-id-to-name: node ID refs → node name refs
- connection-duplicate-removal: dedup identical connection entries
- connection-input-index: out-of-bounds input index → clamped

Includes collision-safe ID-to-name renames, medium confidence on
merge conflicts and index clamping, shared CONNECTION_FIX_TYPES
constant, and 24 unit tests.

Concieved by Romuald Członkowski - www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
czlonkowski
2026-03-08 07:17:40 +01:00
parent 0918cd5425
commit 2e472ebc6c
18 changed files with 1320 additions and 28 deletions
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9
dist/services/workflow-auto-fixer.d.ts vendored
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@@ -5,7 +5,8 @@ import { WorkflowDiffOperation } from '../types/workflow-diff';
import { Workflow } from '../types/n8n-api';
import { PostUpdateGuidance } from './post-update-validator';
export type FixConfidenceLevel = 'high' | 'medium' | 'low';
export type FixType = 'expression-format' | 'typeversion-correction' | 'error-output-config' | 'node-type-correction' | 'webhook-missing-path' | 'typeversion-upgrade' | 'version-migration' | 'tool-variant-correction';
export type FixType = 'expression-format' | 'typeversion-correction' | 'error-output-config' | 'node-type-correction' | 'webhook-missing-path' | 'typeversion-upgrade' | 'version-migration' | 'tool-variant-correction' | 'connection-numeric-keys' | 'connection-invalid-type' | 'connection-id-to-name' | 'connection-duplicate-removal' | 'connection-input-index';
export declare const CONNECTION_FIX_TYPES: FixType[];
export interface AutoFixConfig {
applyFixes: boolean;
fixTypes?: FixType[];
@@ -68,6 +69,12 @@ export declare class WorkflowAutoFixer {
private filterOperationsByFixes;
private calculateStats;
private generateSummary;
private processConnectionFixes;
private fixNumericKeys;
private fixIdToName;
private fixInvalidTypes;
private fixInputIndices;
private fixDuplicateConnections;
private processVersionUpgradeFixes;
private processVersionMigrationFixes;
}