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Add infer and agents fields to Plan agent config and serialization #3252

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Merged
digitarald merged 3 commits into from
Jan 29, 2026
Merged

Add infer and agents fields to Plan agent config and serialization #3252

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9eb0685
Add infer and agents fields to Plan agent config and serialization
digitarald Jan 28, 2026
2e31ffd
Merge branch 'main' into digitarald/plan-agent-infer-agents
digitarald Jan 29, 2026
53a088e
Add skills note to planning
digitarald Jan 29, 2026
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2 changes: 2 additions & 0 deletions assets/prompts/skills/agent-customization/primitives/agents.md
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Expand Up @@ -17,6 +17,8 @@ description: "<required>" # For agent picker and subagent discovery
name: "Agent Name" # Optional, defaults to filename
tools: ["search", "web"] # Optional: aliases, MCP (<server>/*), extension tools
model: "Claude Sonnet 4" # Optional, uses picker default
argument-hint: "Task..." # Optional, input guidance
agents: ["Agent1", "Agent2"] # Optional, restrict allowed subagents by name (omit = all, [] = none)
infer: "all" # Optional: "all"|true, "user"|false, "agent", "hidden"
handoffs: [...] # Optional, transitions to other agents
---
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14 changes: 14 additions & 0 deletions src/extension/agents/vscode-node/planAgentProvider.ts
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Expand Up @@ -32,6 +32,8 @@ interface PlanAgentConfig {
tools: string[];
model?: string;
target?: string;
infer?: string;
agents?: string[];
handoffs: PlanAgentHandoff[];
body: string;
}
Expand All @@ -45,6 +47,8 @@ const BASE_PLAN_AGENT_CONFIG: PlanAgentConfig = {
description: 'Researches and outlines multi-step plans',
argumentHint: 'Outline the goal or problem to research',
target: 'vscode',
infer: 'user',
agents: [],
tools: [
'agent',
'search',
Expand Down Expand Up @@ -93,6 +97,9 @@ export function buildAgentMarkdown(config: PlanAgentConfig): string {
if (config.target) {
lines.push(`target: ${config.target}`);
}
if (config.infer) {
lines.push(`infer: ${config.infer}`);
}

// Tools array - flow style for readability
// Escape single quotes by doubling them (YAML spec)
Expand All @@ -101,6 +108,12 @@ export function buildAgentMarkdown(config: PlanAgentConfig): string {
lines.push(`tools: [${quotedTools}]`);
}

// Agents array - same format as tools (empty array = no subagents allowed)
if (config.agents) {
const quotedAgents = config.agents.map(a => `'${a.replace(/'/g, '\'\'')}'`).join(', ');
lines.push(`agents: [${quotedAgents}]`);
}

// Handoffs - block style for complex nested objects
// Escape prompts using single quotes (with doubled single quotes for internal quotes)
if (config.handoffs.length > 0) {
Expand Down Expand Up @@ -228,6 +241,7 @@ MANDATORY: Instruct the subagent to work autonomously following <research_instru
<research_instructions>
- Research the user's task comprehensively using read-only tools.
- Start with high-level code searches before reading specific files.
- Pay special attention to instructions and skills made available by the developers to understand best practices and intended usage.
- Identify missing information, conflicting requirements, or technical unknowns.
- DO NOT draft a full plan yet — focus on discovery and feasibility.
</research_instructions>
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