feat: add codex_sdk package for Codex CLI integration#73
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Norbert515 merged 3 commits intomainfrom Feb 19, 2026
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Adds codex_sdk as a standalone package that wraps OpenAI's Codex CLI (codex exec --json) and maps its JSONL events to ClaudeResponse types, allowing the existing downstream pipeline to work unchanged. Key components: - CodexClient: process lifecycle, multi-turn resume via stdin - CodexEventParser/Mapper: JSONL parsing and response mapping - CodexConfig: CLI flag generation with correct ordering - CodexMcpRegistry: .codex/config.toml for MCP server discovery
… tests - Fix resume mode: prompt passed as positional arg, not stdin - Fix stale process callbacks via turn ID scoping - Add _isClosed guard to prevent post-close stream errors - Remove dead approvalPolicy/fullAuto fields (exec mode ignores them) - Always pass --full-auto (exec mode hardcodes approval_policy: never) - Add 85 unit tests (config, event parser, event mapper, MCP registry) - Add 7 e2e tests including multi-turn resume verification
Replace process-per-turn architecture with persistent JSON-RPC subprocess. This enables interactive approval handling, streaming text deltas, and persistent sessions without per-turn overhead. - Add CodexTransport for persistent subprocess management and JSON-RPC I/O - Add JSON-RPC message types (notification, request, response) - Add approval types (CodexApprovalRequest, CodexApprovalDecision) - Rewrite CodexEvent as sealed class built from JSON-RPC notifications - Rewrite CodexClient with initialize handshake, thread/turn lifecycle - Replace toCliArgs() with toThreadStartParams(), add approvalPolicy - Handle list-based content blocks in reasoning summary fields - Update all unit and e2e tests
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Summary
codex_sdkpackage wrapping OpenAI Codex CLI's headless mode (codex exec --json)ClaudeResponsetypes so the downstream pipeline works unchanged.codex/config.tomlgenerationAgentClientabstraction is introducedWhat's in the package
CodexClientImpl— spawnscodex execprocesses, handles multi-turn via thread resumeCodexEventParser— parses JSONL output from Codex CLICodexEventMapper— maps Codex events (agent_message, command_execution, file_change, mcp_tool_call, reasoning) to ClaudeResponse objectsCodexConfig— configuration and CLI arg generationCodexMcpRegistry— writes.codex/config.tomlfor MCP server discoveryTest plan
dart analyze— zero issues in core packagesdart test— 302/302 tests passaggregated_output,server/tool)