feat(gateway): promote GitHub Copilot to a stable backend#14
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The copilot adapter was marked experimental and only spawned a bare `-p` prompt, so it had no structured output, no resume, and could hang on permission prompts. Upgrade it to mirror the stable Claude adapter: - Emit JSONL via --output-format json (final result line carries sessionId and exitCode) and parse Copilot's assistant.message and result events in AgentSession. - Capture sessionId from the result line and resume with --session-id so multi-agent runs keep per-agent context. - Auto-approve non-interactive runs (--allow-all-tools, --allow-all on full access) and never block with --no-ask-user. - Pass --model through. - Set stability stable, supportsResume, supportsStructuredOutput, guardType flag.
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What
Promotes the GitHub Copilot adapter in
apps/gateway/src/backends.tsfromexperimentaltostable, bringing it to parity with the Claude/Codex stable adapters. Previously Copilot just spawned a bare-pprompt: no structured output, no session resume, and it could hang on a permission prompt.Why
The CLI is mature enough to drive autonomously. Wiring up the documented one-shot flags makes it usable for multi-agent runs like the existing stable backends.
Changes
apps/gateway/src/backends.ts: copilot is nowstable,supportsResume: true,supportsStructuredOutput: true,guardType: "flag".buildArgsemits--output-format json, auto-approves with--allow-all-tools(--allow-allon full access) and--no-ask-user, resumes via--session-id, and passes--modelthrough.packages/orchestrator/src/agent-session.ts: parse Copilot JSONL: capturesessionIdfrom the finalresultline for resume, and surface the finalassistant.messagecontent (deltas skipped to avoid dupes).Verification (real copilot v1.0.65, authed)
pnpm install; gateway bundles via tsup; orchestrator/gateway typecheck show only 2 pre-existing errors (prompt-templates.ts:406,telegram-channel.ts:391), unchanged by this PR.sessionId/exitCode:0, then resumed with the same--session-idand Copilot correctly recalled prior context.Licensing
This repo has no LICENSE file. Contribution terms are unclear; please confirm how you want external contributions handled before merging.