Parallel Agent Type Contracts
Parallel Agent Type Contracts When launching parallel agents for code implementation, prevent type duplication. Required in Every Agent Prompt 1. Verification Command (MANDATORY) ## Before Marking Complete Run verification: \`\`\`bash npx tsc --noEmit 2>&1 | head -20 \`\`\` If ANY type errors exist, fix them before completing. 2. Grep-Before-Create ## Before Creating Any Type/Interface First check if it exists: \`\`\`bash grep -r "interface YourTypeName\|type YourTypeName" src/ \`\`\` If found, import it. NEVER duplicate existing types. 3. Canonical Type Map Include relevant entries from this map in agent prompts: Type Owner File Import From NormalizedTool src/sdk/agent.ts './agent' ToolCall src/sdk/agent.ts './agent' ToolResult src/sdk/agent.ts './agent' ToolDefinition src/sdk/agent.ts './agent' Message src/sdk/types.ts './types' ContentBlock src/sdk/types.ts './types' TokenUsage src/sdk/types.ts './types' ProviderAdapter src/sdk/providers/index.ts './providers' RiggClient src/sdk/client.ts './client' Prompt Template When spawning implementation agents: # Task: [Description] ## Type Ownership (DO NOT recreate) - [List relevant types from canonical map] ## Before Creating New Types Run: `grep -r "interface TypeName" src/` - if exists, import it. ## Before Marking Complete Run: `npx tsc --noEmit 2>&1 | head -20` Fix all type errors before completing. ## Your Implementation [Actual task description] Why This Works Type checker is the contract - tsc catches conflicts automatically Grep is fast - 1 second to check if type exists Explicit ownership - No ambiguity about where types live Fail fast - Agent can't claim "done" with broken types
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