feat: add Claude subscription OAuth support#697
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* feat: add OpenAI ChatGPT-subscription support (Sign in with ChatGPT) Use OpenAI models via a ChatGPT Plus/Pro plan instead of metered API billing — the mechanism OpenCode's openai plugin implements and the Codex CLI's official OAuth app provides. - src/auth/openai_subscription.py: authorization-code+PKCE against auth.openai.com with a localhost:1455 callback, device-code flow for headless boxes, import-from-Codex-CLI, form-urlencoded token exchange/ refresh (lock + rotation-safe), JWT account-id extraction, 0600 atomic credential store at ~/.clawcodex/openai-oauth.json. - src/providers/openai_responses.py: Responses-API wire format — Anthropic-format messages → input items (function_call/ function_call_output/reasoning replay with ids stripped, the Codex convention), flat function tools, SSE parsing, usage mapping with billing_mode=subscription (/bin/zsh cost via the #697 hook). - OpenAIProvider: subscription mode (active when no API key + stored OAuth) streams from chatgpt.com/backend-api/codex/responses with ESC-abort worker/queue parity, 401→refresh-once retry, encrypted reasoning replayed across turns via raw_content_blocks passthrough. - Foreign-provider strips: Chat-Completions converter, Anthropic and Minimax providers drop the passthrough blocks (mid-session /model switches); Gemini drops unknown blocks by construction. - provider_has_credentials(): shared gate for startup validation and BOTH agent-server gates — also fixes #697's Claude subscription being rejected by the TUI session-init/set_provider api-key checks. - Model configs for gpt-5.5/5.4/5.4-mini/5.3-codex-spark (272K/128K windows) + legacy gpt rows; subscription model list in login/picker. - CLI: clawcodex login openai→subscription (browser/device-code/import), clawcodex logout openai, config status line. Validated live against the ChatGPT backend: single-turn with custom instructions+tools, multi-turn replay (with and without reasoning items), headless -p runs incl. Bash tool loop, and the agent-server gate in both directions. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * fix: critic fast-follows for ChatGPT subscription - Abort-path test: ESC mid-stream raises AbortError and the guard's close-on-abort listener closes the httpx response (critic MAJOR). - Honor /effort on the subscription path: the agent-server's _EffortProvider injects extra_body.reasoning_effort — map it to reasoning.effort with xhigh/max clamped to high (general gpt-5.x models advertise low/medium/high). - Construct the provider from load_credentials() presence only — get_valid_credentials() could do a blocking 30s token refresh at startup / every model switch; the request path already refreshes. - Warn at login when an exported OPENAI_API_KEY shadows the subscription. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
This was referenced Jul 12, 2026
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Summary
Test plan
.venv/bin/pytest -q tests/test_anthropic_subscription.py tests/entrypoints/test_startup_validation.py tests/test_providers.py tests/test_cost_tracker.py tests/test_headless_cli.py tests/test_init_integration.py(88 passed).venv/bin/pytest -q tests(2466 passed + 17 subtests before a pre-existing long-running async test was interrupted after 3m51s; no failures)git diff --checkpython -m compileallon changed Python modulesNote
Anthropic does not officially support using Claude Pro/Max subscriptions from third-party clients. The CLI displays this warning and requires explicit confirmation before OAuth login.