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feat: bind HITL escalation recipients to upstream tool outputs [ACTN-10480]#867

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feat/custom-assignments
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feat: bind HITL escalation recipients to upstream tool outputs [ACTN-10480]#867
kunaluipath wants to merge 1 commit into
mainfrom
feat/custom-assignments

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@kunaluipath
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Adds support for resolving escalation recipients at runtime from the output of upstream tools, in addition to the existing literal / agent-input bindings. Works for User, Group, Workload, RoundRobin, and CustomAssignees criteria.

  • _extract_tool_output_value: walks state.messages backwards, finds the latest ToolMessage by name, parses content as JSON, extracts a top-level field (fail-loud on missing tool / missing path).
  • _build_tool_output_task_recipient: maps the extracted value to the appropriate TaskRecipient shape per criteria (list to Workload-style, string to single, CustomAssignees comma-split).
  • resolve_recipient_value: new ToolOutputRecipient branch.
  • resolve_channel_recipients: threads tool_messages through; tool-output takes precedence over CustomAssignees aggregation.
  • escalation_wrapper: captures state.messages into tool.metadata so escalation_tool_fn can read it without changing public signatures.
  • create_escalation_tool: auto-augments tool description with a hint listing the tool dependencies for the LLM to plan tool calls.

Backwards-compatible: existing recipients without source parse and resolve identically.

Adds support for resolving escalation recipients at runtime from the
output of upstream tools, in addition to the existing literal /
agent-input bindings. Works for User, Group, Workload, RoundRobin,
and CustomAssignees criteria.

- _extract_tool_output_value: walks state.messages backwards, finds
  the latest ToolMessage by name, parses content as JSON, extracts a
  top-level field (fail-loud on missing tool / missing path).
- _build_tool_output_task_recipient: maps the extracted value to the
  appropriate TaskRecipient shape per criteria (list to Workload-style,
  string to single, CustomAssignees comma-split).
- resolve_recipient_value: new ToolOutputRecipient branch.
- resolve_channel_recipients: threads tool_messages through; tool-output
  takes precedence over CustomAssignees aggregation.
- escalation_wrapper: captures state.messages into tool.metadata so
  escalation_tool_fn can read it without changing public signatures.
- create_escalation_tool: auto-augments tool description with a hint
  listing the tool dependencies for the LLM to plan tool calls.

Backwards-compatible: existing recipients without source parse and
resolve identically.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
@sonarqubecloud
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Quality Gate Failed Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 90%)

See analysis details on SonarQube Cloud

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