fix(session): update plan mode prompt to allow .opencode/plan/*.md writes #8425
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…ites The plan mode prompt previously stated "ZERO exceptions" which prevented the agent from writing plan files to .opencode/plan/*.md, even though the permission system explicitly allows these writes. This fix aligns the prompt with the actual permission configuration: - Edit permission: "*.md" = "deny", ".opencode/plan/*.md" = "allow" - Prompt now clearly states the ONE exception for plan files Resolves the mismatch between agent prompt and permission system that prevented plan agents from creating/editing plan files.
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Thanks for your contribution! This PR doesn't have a linked issue. All PRs must reference an existing issue. Please:
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The following comment was made by an LLM, it may be inaccurate: No duplicate PRs found |
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Explanation of the screenshot The screenshot shows an inconsistency in Plan mode behavior: In Plan mode, writing to .opencode/plan/*.md is expected to be allowed, but the system/model treats Plan mode as fully read-only and rejects the write, insisting that Plan must be exited before any file write. This indicates that the allowlist for .opencode/plan/*.md is not being honored (or is being overridden) in the current Plan-mode write gate. |
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Issue
Plan mode agent refuses to write plan files to
.opencode/plan/*.md, even though the permission system explicitly allows these writes (seeagent.ts:69).Root Cause
The plan mode prompt (
packages/opencode/src/session/prompt/plan.txt) states "ZERO exceptions", which misleads the agent into believing it cannot write any files, including plan files.This creates a mismatch between:
.opencode/plan/*.md= "allow" ✅Fix
Updated the plan mode prompt to clearly state the ONE exception:
.opencode/plan/*.mdare explicitly allowedThe prompt now aligns with the actual permission configuration.
Testing
.opencode/plan/*.mdfilesagent.ts:67-70) remains unchanged