拓展阅读 / Jev Ultrafast：浏览器决策

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Jev Ultrafast

Read README.md before editing. Keep the loop small: page -> indexed elements -> operation + target -> execution.

• The input is one natural-language goal. Do not add site-specific plans or hardcoded field values.

• TypeSafe chooses an operation and operation-specific target heads in one request. Consume only the selected operation's target.

• Targets must map to observed elements and supported operations. Never let the model emit selectors or executable code.

• TYPE_TEXT invokes the text LLM. Cache a stale retry's value only while its entire helper input is identical.

• Never retry a browser mutation. Log execution before observing its result.

• Screenshots are optional; the model does not consume them. Keep demonstration footage at its original speed.

• Keep credentials server-side and .env ignored. Tests must not call paid APIs.

• Verify actual final outcomes independently. A DONE choice is not proof of success.

• Keep examples, README claims, raw evidence, and model-call counts consistent.

• Do not commit or push unless the user requests it.

Checks: uv run ruff check ., uv run pytest, node --check jev_ultrafast/static/app.js, uv build.