fix: resolve @file references in slash commands with subagents #4221
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Fixes an issue where
@filereferences in custom slash commands were not resolvedwhen the command specified
agent: <subagent>.Problem
When a slash command used both
@filereferences andagent: foo, the file referenceswere passed literally to the subagent instead of being resolved to actual file
contents. This worked correctly for normal commands but failed for subagent
dispatch.
Solution
Extracted
resolvePromptParts()function and reused it in the task tool pipeline(
packages/opencode/src/tool/task.ts:68) to ensure@filereferences are resolvedbefore subagent execution, matching the behavior of normal command handling.