feat: Human-in-the-Loop (HITL) system implementation#189

Merged

betterclever merged 25 commits intomainfrom

betterclever/25b2026/d3feat2

Dec 28, 2025

Commits on Dec 28, 2025

feat: add Human-in-the-Loop approval gate (WIP)
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feat(approvals): add backend API for human-in-the-loop approvals
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feat(hitl): complete Human-in-the-Loop implementation
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fix(approvals): add ApiKeysModule import to fix AuthGuard dependency
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feat(approvals): add proper Zod DTOs and regenerate OpenAPI client
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refactor: generalize approvals to human inputs architecture
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Fix OpenAPI generation and update API client for Human Inputs
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Rename ApprovalsPage to ActionCenterPage with updated UI
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Fix drizzle schema for relational query API support
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Wire up human-input activities to workflow for approval gate support
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Rename approval signal to resolveHumanInput and fix signal payload
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Add AWAITING_INPUT trace event to show node waiting for human input
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Add AWAITING_INPUT to backend trace event types
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feat(workflow): implement correct awaiting-input status handling and node trace emission
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feat(workflow): generalize human input handling and add Choice/Form components
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refactor(workflow): move human interaction components to manual-action folder and update category to manual_action
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feat: rename manual action components and add dynamic templating with context variables
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feat: standardize parameter inputs and implement interactive designers for manual actions
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Centralize Action Required dialog logic and UI into HumanInputResolutionView
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Add support for 'approval' type and action switching in HumanInputResolutionView
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Restrict Approve/Reject UI to 'approval' and 'review' input types
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Fix form rendering in Action Center and refine input type handling
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fix(timeout): expire human inputs on timeout before throwing error
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fix(ui): allow falsy values (0, false) in required form fields
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fix(test): mock hasPendingInputs in workflow controller and service tests
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