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Project	Deployment	Review	Updated (UTC)
docs	Skipped		Jan 16, 2026 11:40pm

Greptile Summary

This PR consolidates workflow utility functions and standardizes modal UI patterns across the application.

Key Changes:

• Utility Consolidation: Created start-block-types.ts to centralize start block type definitions (VALID_START_BLOCK_TYPES, isValidStartBlockType) and prevent circular imports. All hardcoded block type checks across 8+ files now use this centralized utility.
• Modal Standardization: Unified modal styling and copy patterns - standardized cancel button variants from active to default, destructive action buttons use destructive variant, and error text size consistently set to 12px
• Enhanced UX: Added confirmation modal for "Leave Workspace" action in workspace-header.tsx to prevent accidental departures
• UI Improvements: Replaced basic input elements with proper Input components in custom tool modal, added submit buttons with ArrowUp icons for schema/code generation
• Documentation: Added DeepWiki badge to README

The refactoring improves code maintainability by eliminating duplicate logic and provides a single source of truth for start block type validation.

Confidence Score: 5/5

• This PR is safe to merge with no blocking issues
• The changes are well-structured code hygiene improvements with proper consolidation patterns. The new utility module correctly exports all necessary functions and types, all import paths have been updated consistently, and the modal standardization follows established UI patterns. No functional logic changes that could introduce bugs.
• No files require special attention

Important Files Changed

Sequence Diagram

sequenceDiagram
    participant User
    participant UI as UI Components
    participant Utils as start-block-types.ts
    participant TriggerUtils as trigger-utils.ts
    participant API as API Routes
    
    Note over Utils: New centralized module<br/>exports VALID_START_BLOCK_TYPES,<br/>ValidStartBlockType, isValidStartBlockType()
    
    User->>UI: Interacts with workflow
    UI->>Utils: isValidStartBlockType(blockType)
    Utils-->>UI: boolean (type guard)
    
    User->>UI: Opens modal (delete/leave/edit)
    Note over UI: Standardized modal patterns:<br/>- variant='default' for cancel<br/>- variant='destructive' for dangerous actions<br/>- Consistent text sizing (12px)
    UI-->>User: Shows confirmation modal
    
    User->>API: Submits form/workflow
    API->>Utils: isValidStartBlockType(block.type)
    Utils-->>API: Validates start block
    API->>TriggerUtils: getTrigger() / generateMockPayload()
    TriggerUtils->>Utils: isValidStartBlockType()
    Utils-->>TriggerUtils: Validation result
    TriggerUtils-->>API: Mock payload
    API-->>User: Response
    
    Note over UI,API: All hardcoded checks replaced<br/>with centralized utility:<br/>- input-format.ts<br/>- workflow-tool-schema.ts<br/>- get-block-upstream-references.ts<br/>- use-accessible-reference-prefixes.ts

@greptile