[rig-summarizer] Daily file summary — 2026-08-31

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Global Summary

Rig is a minimal TypeScript multi-agent harness providing typed schemas, prompt intents, and sub-agent delegation. The core runtime (skills/rig/rig.ts) is complemented by pluggable engine adapters (Copilot, Anthropic, Codex, Gemini, Pi), ambient workflow globals, and an extensive library of sample agents demonstrating patterns from simple haiku generation to end-to-end release orchestration.

Individual File Summaries

File	Summary
.agents/skills/rig/engines/anthropic.ts	Implements the Anthropic engine adapter using the Anthropic SDK, translating rig tool/agent calls into Anthropic beta-tool API requests and responses.
.agents/skills/rig/engines/codex.ts	Implements an engine adapter for the OpenAI Codex SDK, wiring rig agent/tool invocations to Codex thread sessions.
.agents/skills/rig/engines/gemini.ts	Implements a Gemini engine adapter by spawning a child process and communicating over stdio with the Gemini CLI.
.agents/skills/rig/engines/pi.ts	Implements a Pi AI engine adapter using the Pi agent SDK and provider models.
.agents/skills/rig/engines/utils.ts	Shared utility for converting rig tool schemas into the JSON Schema object format expected by third-party engine SDKs.
.agents/skills/rig/globals.ts	Exports ambient workflow context helpers (call, pipeline, parallel) that delegate to the currently active workflow without explicit wiring.
.agents/skills/rig/rig.ts	Mirror/copy of the core rig runtime for the .agents workspace, providing all agent, schema, prompt, and engine primitives.
scripts/haiku.integration.test.ts	Integration test that spawns the rig launcher with a real Copilot auth token and verifies a single haiku agent produces a valid output.
scripts/run-sample.test.ts	Sample test runner that loads each sample with a stub Copilot SDK client synthesizing shape-conforming output from the prompt output schema.
skills/rig/engines/anthropic.ts	Canonical Anthropic engine adapter source (same as the .agents copy) for the skills workspace.
skills/rig/engines/codex.ts	Canonical Codex engine adapter source for the skills workspace.
skills/rig/engines/gemini.ts	Canonical Gemini engine adapter source for the skills workspace.
skills/rig/engines/pi.ts	Canonical Pi AI engine adapter source for the skills workspace.
skills/rig/engines/utils.ts	Canonical tool-schema utility source for the skills workspace.
skills/rig/globals.ts	Canonical ambient workflow globals source for the skills workspace.
skills/rig/rig.ts	Core rig runtime: defines agent, s.* schema helpers, p.* prompt intents, copilotEngine, and the full multi-agent harness execution loop.
src/engines/copilot.test.ts	Unit tests for the Copilot engine, mocking the @github/copilot-sdk to verify session creation, prompt dispatch, and tool approval flows.
src/engines/codex.test.ts	Unit tests for the Codex engine adapter, covering thread creation and tool call round-trips.
src/engines/anthropic.test.ts	Unit tests for the Anthropic engine adapter, covering message formatting and beta-tool invocation.
src/rig.test.ts	Main unit test suite covering agent definition, schema validation, prompt intent resolution, output parsing, and repair logic.
src/workflow.test.ts	Unit tests for workflow primitives (call, pipeline, parallel, currentWorkflow) and ambient context delegation.
vitest.config.ts	Vitest configuration defining the rig path alias (pointing to skills/rig/rig.ts) for all test files.

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• expires on Sep 7, 2026, 4:51 AM UTC