feat(kilo): adapter with kilo.json render + agent symlink

internal/adapters/opencode/opencode.go

@@ -0,0 +1,145 @@
+// Package opencode is the opencode harness adapter.
+package opencode
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/lukaszraczylo/harness-sync/internal/adapter"
+	"github.com/lukaszraczylo/harness-sync/internal/canonical"
+	"github.com/lukaszraczylo/harness-sync/internal/render"
+)
+
+const name = "opencode"
+
+// Adapter implements adapter.Adapter for the opencode harness.
+type Adapter struct{ home string }
+
+// Option configures an Adapter.
+type Option func(*Adapter)
+
+// WithHome overrides the home directory (defaults to os.UserHomeDir).
+func WithHome(h string) Option { return func(a *Adapter) { a.home = h } }
+
+// New returns a new Adapter with the given options applied.
+func New(opts ...Option) *Adapter {
+	a := &Adapter{home: defaultHome()}
+	for _, o := range opts {
+		o(a)
+	}
+	return a
+}
+
+func defaultHome() string {
+	h, err := os.UserHomeDir()
+	if err != nil {
+		return ""
+	}
+	return h
+}
+
+// Name returns the harness identifier.
+func (a *Adapter) Name() string { return name }
+
+// Detect returns true when ~/.config/opencode exists.
+func (a *Adapter) Detect() bool {
+	_, err := os.Stat(filepath.Join(a.home, ".config", "opencode"))
+	return err == nil
+}
+
+// Render produces the FileSet that applies the canonical bundle to opencode.
+func (a *Adapter) Render(b *canonical.Bundle) (*adapter.FileSet, error) {
+	fs := adapter.NewFileSet()
+	base := filepath.Join(a.home, ".config", "opencode")
+
+	cfg, err := renderConfig(b)
+	if err != nil {
+		return nil, err
+	}
+	fs.Add(adapter.File{
+		Dest:    filepath.Join(base, "opencode.jsonc"),
+		Kind:    adapter.RenderedFile,
+		Content: cfg,
+	})
+
+	instructions := b.Instructions.Global
+	if override, ok := b.Instructions.PerHarness[name]; ok && override != "" {
+		instructions = override
+	}
+	fs.Add(adapter.File{
+		Dest:    filepath.Join(base, "AGENTS.md"),
+		Kind:    adapter.RenderedFile,
+		Content: []byte(instructions),
+	})
+
+	return fs, nil
+}
+
+func renderConfig(b *canonical.Bundle) ([]byte, error) {
+	providers := make([]map[string]any, 0)
+	if b.Profile.Gateway.URL != "" {
+		gw := map[string]any{
+			"id":       "harness-sync-gateway",
+			"name":     "harness-sync gateway",
+			"base_url": b.Profile.Gateway.URL,
+			"api_key":  b.Profile.Gateway.Token,
+		}
+		models := make([]map[string]any, 0, len(b.Profile.Models))
+		for _, m := range b.Profile.Models {
+			entry := map[string]any{"id": m.ID}
+			if m.Alias != "" {
+				entry["alias"] = m.Alias
+			}
+			models = append(models, entry)
+		}
+		if len(models) > 0 {
+			gw["models"] = models
+		}
+		providers = append(providers, gw)
+	}
+	for _, up := range b.Profile.Upstreams {
+		p := map[string]any{"id": up.Name, "name": up.Name}
+		if up.BaseURL != "" {
+			p["base_url"] = up.BaseURL
+		}
+		if up.APIKey != "" {
+			p["api_key"] = up.APIKey
+		}
+		providers = append(providers, p)
+	}
+
+	mcp := map[string]any{}
+	for _, s := range b.MCP.Servers {
+		entry := map[string]any{}
+		if s.Command != "" {
+			entry["command"] = s.Command
+		}
+		if len(s.Args) > 0 {
+			entry["args"] = s.Args
+		}
+		if s.URL != "" {
+			entry["url"] = s.URL
+		}
+		if s.Transport != "" {
+			entry["transport"] = s.Transport
+		}
+		if len(s.Env) > 0 {
+			entry["env"] = s.Env
+		}
+		mcp[s.Name] = entry
+	}
+
+	out := map[string]any{
+		"providers":     providers,
+		"default_model": b.Profile.Gateway.DefaultModel,
+	}
+	if len(mcp) > 0 {
+		out["mcpServers"] = mcp
+	}
+	return render.JSON(out)
+}
+
+// Import reads opencode config from home and returns a canonical ImportResult.
+func (a *Adapter) Import(home string) (*adapter.ImportResult, error) {
+	return importFrom(home)
+}