System token usage is 10k

[Frozensun47]

Description

╭───────────────────────────────────────────────────────────╮
│ DCP Context Analysis │
╰───────────────────────────────────────────────────────────╯
Session Context Breakdown:
────────────────────────────────────────────────────────────
System 88.7% │███████████████████████████ │ 10.9K tokens
User 0.3% │ │ 31 tokens
Assistant 10.3% │▒▒▒ │ 1.3K tokens
Tools (1) 0.7% │ │ 81 tokens
────────────────────────────────────────────────────────────
Summary:
Pruned: 1 messages (~9 tokens)
Current context: ~12.3K tokens
Without DCP: ~12.3K tokens

Plugins

No response

OpenCode version

No response

Steps to reproduce

No response

Screenshot and/or share link

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Operating System

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Terminal

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[github-actions]

This issue doesn't fully meet our contributing guidelines.

What needs to be fixed:

• The description only contains a raw context analysis output without explaining what the actual problem or question is. Please describe what you expected vs. what you observed.
• All other required fields are left as _No response_: OpenCode version, Steps to reproduce, Operating System, and Terminal. These fields help reproduce and investigate the issue.

Please edit this issue to address the above within 2 hours, or it will be automatically closed.

---

This issue might be a duplicate of existing issues. Please check:

• Massive token usage + counts don't add up? #23551: Similar observation of ~10K system tokens in a basic query, with questions about where tokens are coming from
• Tool descriptions consume excessive tokens in system prompt #11995: Tool descriptions consuming excessive tokens in the system prompt (related root cause)

If you believe this was flagged incorrectly, please let a maintainer know.

[github-actions]

This issue has been automatically closed because it was not updated to meet our contributing guidelines within the 2-hour window.

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