feat: parse all Go CLIs with flaggy; dump bash complete. (#36)

stdlib flag dropped --hop after the query. One wrapper in internal/cli,
source <(./bin/cli/complete.go bash). Gitea #34.

internal/reasoner/args.go

@@ -0,0 +1,47 @@
+package reasoner
+
+import (
+	"os"
+
+	"github.com/eSlider/2dph/internal/cli"
+	"github.com/integrii/flaggy"
+)
+
+type CLI struct {
+	Base    string
+	Model   string
+	Device  string
+	JSONOut bool
+}
+
+func Parser() *flaggy.Parser {
+	c := NewCLI()
+	return Bind(&c)
+}
+
+func NewCLI() CLI {
+	base := os.Getenv("REASONER_BASE_URL")
+	if base == "" {
+		base = "http://127.0.0.1:11435/v1"
+	}
+	model := os.Getenv("REASONER_MODEL")
+	if model == "" {
+		model = OllamaRAM
+	}
+	return CLI{Base: base, Model: model, Device: "cpu"}
+}
+
+func Bind(c *CLI) *flaggy.Parser {
+	p := cli.New("reasoner-bakeoff")
+	p.Description = "CPU tool-call bake-off"
+	p.Bool(&c.JSONOut, "", "json", "JSON output")
+	p.String(&c.Model, "", "model", "Ollama/HF model id")
+	p.String(&c.Base, "", "base-url", "OpenAI-compatible URL")
+	p.String(&c.Device, "", "device", "cpu")
+	return p
+}
+
+func ParseArgs(args []string) (CLI, error) {
+	c := NewCLI()
+	return c, cli.Parse(Bind(&c), args)
+}