fix: adapt to ChatGPT API v2 metadata format + Turnstile solver support#6
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abczsl520 wants to merge 1 commit into432539:mainfrom
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fix: adapt to ChatGPT API v2 metadata format + Turnstile solver support#6abczsl520 wants to merge 1 commit into432539:mainfrom
abczsl520 wants to merge 1 commit into432539:mainfrom
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…upport ## Problem ChatGPT upstream API changed the metadata format for image generation tool messages: - Old format: `metadata.async_task_type = "image_gen"` - New format: `metadata.image_gen_title = "..."` (final) or `metadata.async_source = "..."` (preview) This caused `ExtractImageToolMsgs` to match zero tool messages, making poll always timeout with no images returned. Additionally, the upstream now requires Turnstile challenge solving for the two-step chat-requirements flow (prepare → finalize). ## Changes ### Core fix: metadata compatibility (image.go) - `ExtractImageToolMsgs` now matches tool messages by any of: `async_task_type=image_gen` (old), `image_gen_title` (new final), or `async_source` (new preview) ### Turnstile solver support - New `TurnstileSolver` interface signature: `Solve(ctx, dx, token)` adds the `token` (p_value) parameter needed for bytecode decryption - New `HTTPTurnstileSolver`: delegates to an external HTTP service - New config field: `upstream.turnstile_solver_url` - Wiring in `runner.go` and `main.go` - `ChatRequirementsPrepareResp.PToken` field to pass the requirements_token through to the solver ### Tuning - Poll interval: 3s → 15s (avoids 429 rate limiting from upstream) - Consecutive 429 tolerance: 3 → 10 - PerAttemptTimeout: 6min → 10min (image gen can take 3-5 min) - PollMaxWait: 300s → 480s
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Problem
ChatGPT upstream API changed the metadata format for image generation tool messages:
metadata.async_task_type = "image_gen"metadata.image_gen_title = "..."(final image) ormetadata.async_source = "..."(preview)This caused
ExtractImageToolMsgsto match zero tool messages during poll, making image generation always timeout with no results.Additionally, the upstream now requires Turnstile challenge solving for the two-step chat-requirements flow (prepare → finalize).
Changes
1. Core fix: metadata compatibility (
image.go)ExtractImageToolMsgsnow matches tool messages by any of:async_task_type = "image_gen"(old format, backward compatible)image_gen_title != ""(new format, final image)async_source != ""(new format, preview image)2. Turnstile solver support
TurnstileSolverinterface: addedtokenparameter toSolve(ctx, dx, token)— thetokenis thep_value/ requirements_token needed for Turnstile bytecode decryptionHTTPTurnstileSolver: delegates to an external HTTP microservice (e.g. a Python VM decompiler)upstream.turnstile_solver_url— when set, enables the two-step prepare → solve → finalize flow3. Tuning
Testing
Tested with a ChatGPT Plus account:
/v1/images/generations: ✅ (HTTP 200, 1-2 images returned)/api/me/playground/image: ✅/p/img/endpoint: ✅