feat: HitlSchema types and dynamic QuickForm dispatch for guardrail escalations#1737
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feat: HitlSchema types and dynamic QuickForm dispatch for guardrail escalations#1737dushyant-uipath wants to merge 1 commit into
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…tasks Adds a new `hitl/` module to `uipath-platform` with `HitlSchema`, `HitlSchemaField`, `HitlSchemaOutcome`, `HitlFieldType`, and `HitlFieldDirection` — a Python mirror of `@uipath/hitl-schema-types`. `pydantic_to_hitl_schema()` converts Pydantic models into `HitlSchema` instances. Field aliases become the schema field IDs, enabling PascalCase form field names while keeping Python field names snake_case. `CreateTask` gains an optional `hitl_schema` field. When set, `_handle_task_trigger` routes to `create_quickform_async` instead of `create_async`, sending the schema inline to `GenericTasks/CreateTask` (type=6). A deterministic UUID derived from the schema content is used as `taskSchemaKey` so Orchestrator can upsert rather than duplicate. No pre-deployed Action App is required when a schema is provided.
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Summary
uipath-platform/hitl/module withHitlSchema,HitlSchemaField,HitlSchemaOutcome,HitlFieldType,HitlFieldDirection— Python mirror of@uipath/hitl-schema-typespydantic_to_hitl_schema(): converts Pydantic models toHitlSchema; field aliases become schema field IDshitl_schema: HitlSchema | Nonefield toCreateTask/CreateEscalation_handle_task_triggerdispatches tocreate_quickform_asyncwhenhitl_schemais set — no pre-deployed Action App requiredtaskSchemaKeyderived from SHA-256 of schema content (Orchestrator upserts, no duplicates)Context
Part of the dynamic schemas feature for agent guardrail escalations. Instead of requiring a developer to pre-deploy a static Action App with fixed form fields, the schema is generated at runtime by the LLM and travels inline with the escalation interrupt.
This PR is the platform foundation. The LangChain runtime PR (uipath-langchain-python) depends on this being published first.
See design doc: https://uipath.atlassian.net/wiki/spaces/BPA/pages/90813301792/Dynamic+Schemas+for+Agent+Guardrail+Escalations
Test plan
uv run pytest packages/uipath-platform/tests/services/test_hitl_schema.py— 20 new unit testsuv run pytest packages/uipath-platform/tests/🤖 Generated with Claude Code