Per-session quota meter for DSH

Key features

• Real-token billing — Accounting based on real usage of dsh llm/stream, cache hit/miss/output billing
• Peak hoursBeijing time Monday to Friday 9:00–12:00, 14:00–18:00
• Manually confirm before writing to the disk: the capture/comparison is automatic, and the application must be clicked
• Live progress bar — The 2px thin bar above the input box displays the remaining balance in real time (right aligned and backwards). When the request is initiated, the "burning" highlight on the left pulsates, and the deduction pops up instantly -¥ amount logo
• Budget blocking — Automatically intercept new model calls (agent/pre-step) when the quota is exhausted, and a prompt will pop up