feat: subagent context inheritance in workflow steps#1460
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Add SubagentContext to inject parent workflow step outputs into subagent prompts, enabling downstream agents to make context-aware decisions. - Add SubagentContext struct in librefang-types with format_preamble() and truncate_output_preview() helpers - Extend WorkflowStep with optional inherit_context field (per-step override) - Extend AgentManifest with inherit_parent_context (default true) - Update WorkflowEngine::execute_run() to build and inject context preamble into each step's prompt when enabled - Update all call sites (kernel, channel_bridge, API routes, dashboard types) - Add tests for context injection, agent-level disable, step-level override, output truncation, and serde round-trips
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Summary
Workflow subagents now receive parent context — previous step outputs are injected into the prompt preamble.
SubagentContextstruct withformat_preamble()for context assemblyinherit_parent_context: bool(default true)inherit_context: Option<bool>overrideChanges
crates/librefang-types/src/subagent.rs— new modulecrates/librefang-types/src/agent.rs—inherit_parent_contexton AgentManifestcrates/librefang-kernel/src/workflow.rs— context injection in all 4 step modescrates/librefang-kernel/src/kernel.rs— resolver returns inherit flagTest plan
Closes #883