Troubleshoot sync. work

Finds out what actually happened, says it plainly, and resumes the work without starting a second paid job.

1. Gather the facts

Collect what's known before guessing: the tool or request that failed, the exact error text and code, and any generation, batch, project, asset or job ID. Then read the current state:

• A generation: generate_get-generation with its id. Note status, error and errorCode.
• No ID: generate_get-generations with a small limit, or batches_list for batches, to find it.
• The account: get-account-context for plan limits and concurrency, get-account-usage for credits.

Never ask for the user's API key or password, and don't paste signed media links into anything public.

2. Find the cause