feat(manual-trigger): add manual trigger

[icecrasher321]

Summary

Manual Trigger to trigger workflows.

Type of Change

• Bug fix

Testing

Manually executing workflows with this as the start block.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
sim	Ready	Preview	Comment	Sep 25, 2025 11:28pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
docs	Skipped			Sep 25, 2025 11:28pm

[greptile-apps]

Greptile Overview

Summary

This PR introduces a new Manual Trigger block to provide a simplified workflow execution option. The implementation separates concerns between simple manual execution (Manual Trigger) and structured input workflows (Input Form Trigger).

Key Changes:

• New Manual Trigger Block: Simple trigger with no input schema, using Play icon
• Input Form Trigger Clarification: Renamed from "Input Form" and changed to FormInput icon for distinction
• Enhanced Execution Logic: Updated workflow execution to prefer manual_trigger over input_trigger for simple runs
• Trigger Utilities: Extended trigger classification system to handle the new manual trigger type
• Documentation Updates: Clarified references to "Input Form Trigger" vs generic "Input Trigger"

Implementation Quality:

• Clean separation of concerns between different trigger types
• Proper integration with existing trigger infrastructure
• Maintains backward compatibility with legacy starter blocks
• Follows established patterns for block configuration

Confidence Score: 4/5

• This PR is safe to merge with minor syntax fix needed
• Score reflects a well-implemented feature with proper separation of concerns, good integration with existing systems, and only one minor issue with an error message that should be updated to reflect the new trigger types
• The use-workflow-execution.ts file needs attention for the error message update on line 790

Important Files Changed

File Analysis

Filename	Score	Overview
apps/sim/blocks/blocks/manual_trigger.ts	5/5	New manual trigger block with minimal configuration, no inputs/outputs, clean implementation
apps/sim/lib/workflows/triggers.ts	5/5	Added MANUAL trigger type and updated trigger utilities to handle manual vs input form distinction
apps/sim/app/workspace/[workspaceId]/w/[workflowId]/hooks/use-workflow-execution.ts	4/5	Enhanced manual execution logic to prefer manual_trigger over input_trigger, includes input extraction from test values

Sequence Diagram

sequenceDiagram
    participant User as User
    participant Editor as Workflow Editor
    participant Hook as useWorkflowExecution
    participant Engine as Workflow Engine
    participant Block as Manual Trigger Block

    User->>Editor: Click Run/Execute button
    Editor->>Hook: executeWorkflow()
    Hook->>Hook: Find manual triggers
    
    alt Manual Trigger found
        Hook->>Hook: Set selectedTrigger = manual_trigger
        Hook->>Hook: selectedBlockId = manual trigger ID
        Note right of Hook: No input extraction needed for manual trigger
    else Input Form Trigger found
        Hook->>Hook: Set selectedTrigger = input_trigger  
        Hook->>Hook: Extract test values from inputFormat
        Hook->>Hook: Set finalWorkflowInput = test values
    else Legacy Starter found
        Hook->>Hook: Set selectedTrigger = starter block
        Note right of Hook: Fallback for legacy workflows
    end
    
    Hook->>Engine: Execute workflow with selectedTrigger
    Engine->>Block: Start execution from trigger block
    Block->>Engine: Return success/result
    Engine->>Hook: Execution complete
    Hook->>Editor: Update execution state
    Editor->>User: Show execution results

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