feat(agent): depth-aware delegation + StartAgentParams refactor#87
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yishuiliunian merged 2 commits intomainfrom Apr 6, 2026
Merged
feat(agent): depth-aware delegation + StartAgentParams refactor#87yishuiliunian merged 2 commits intomainfrom
yishuiliunian merged 2 commits intomainfrom
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…ruct params (#86) Sub-agents had no awareness of their position in the delegation chain, leading to cascading spawns (129 agents from a single task). This change: - Propagates `depth` through the full IPC chain so each agent knows how deep it is (rendered as `{{ agent_depth }}` in system prompt) - Removes the hard `max_depth` limit — depth is informational, not a gate - Adds Delegation Depth guidance in agent-guidelines.md so deeper agents naturally prefer direct tool use over further delegation - Refactors `start_agent()` from 10 positional params to `StartAgentParams` - Removes redundant concurrency guidance from agent-type prompts (explore, plan, default-subagent) — centralized in agent-guidelines.md
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Summary
depththrough full IPC chain (SpawnParams → Hub → StartAgentParams → AgentShared → PromptContext) so each agent sees its nesting level as{{ agent_depth }}in the system promptAgentClient::start_agent()from 10 positional parameters toStartAgentParamsstructmax_depthhard limit — depth is informational context, not a gateChanges
crates/loopal-agent-client/—StartAgentParamsstruct,start_agent(&self, p: &StartAgentParams)crates/loopal-agent/—SpawnParams.depth,AgentSharedremovesmax_depthcrates/loopal-agent-hub/— dispatch + spawn_manager pass depth throughcrates/loopal-agent-server/—StartParams.depth,agent_setupwires depth into promptcrates/loopal-prompt/—PromptContext.agent_depthcrates/loopal-context/—build_system_prompt()acceptsagent_depthcrates/loopal-prompt-system/prompts/— agent-guidelines.md, explore.md, plan.md, default-subagent.mdTest plan