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add directory to opencode system-prompt/instructions writing #208

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add directory to opencode system-prompt/instructions writing #208

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7745e14
add directory to opencode system-prompt/instructions writing
verdverm May 4, 2026
81814b4
opencode harness, MkdirAll before writing the AGENTS.md file
verdverm May 5, 2026
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12 changes: 10 additions & 2 deletions pkg/harness/opencode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,11 @@ func (o *OpenCode) GetTelemetryEnv() map[string]string {
}

func (o *OpenCode) InjectAgentInstructions(agentHome string, content []byte) error {
target := filepath.Join(agentHome, "AGENTS.md")
dir := filepath.Join(agentHome, o.DefaultConfigDir())
if err := os.MkdirAll(dir, 0755); err != nil {
return fmt.Errorf("failed to create config directory: %w", err)
}
target := filepath.Join(dir, "AGENTS.md")
return os.WriteFile(target, content, 0644)
}

Expand Down Expand Up @@ -184,7 +188,11 @@ func (o *OpenCode) ResolveAuth(auth api.AuthConfig) (*api.ResolvedAuth, error) {

func (o *OpenCode) InjectSystemPrompt(agentHome string, content []byte) error {
// OpenCode has no native system prompt support — downgrade by prepending to AGENTS.md
agentsPath := filepath.Join(agentHome, "AGENTS.md")
dir := filepath.Join(agentHome, o.DefaultConfigDir())
if err := os.MkdirAll(dir, 0755); err != nil {
return fmt.Errorf("failed to create config directory: %w", err)
}
agentsPath := filepath.Join(dir, "AGENTS.md")
header := fmt.Sprintf("# System Prompt\n\n%s\n\n---\n\n", string(content))

existing, err := os.ReadFile(agentsPath)
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2 changes: 1 addition & 1 deletion pkg/harness/opencode_test.go
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Expand Up @@ -58,7 +58,7 @@ func TestOpenCodeInjectSystemPrompt(t *testing.T) {
t.Fatalf("InjectSystemPrompt failed: %v", err)
}

target := filepath.Join(agentHome, "AGENTS.md")
target := filepath.Join(agentHome, o.DefaultConfigDir(), "AGENTS.md")
data, err := os.ReadFile(target)
if err != nil {
t.Fatalf("expected file at %s: %v", target, err)
Expand Down