Add a minimal HTTP API

internal/adapter/cli/run_test.go

@@ -74,6 +74,26 @@ func TestParseRunArgsRequiredFlags(t *testing.T) {
 	}
 }
 
+func TestParseServeArgsRequiredFlags(t *testing.T) {
+	_, err := parseServeArgs([]string{"--llm-base-url", "http://x/v1"})
+	if err == nil {
+		t.Fatal("expected missing --profile-dir error")
+	}
+
+	_, err = parseServeArgs([]string{"--profile-dir", "./profiles"})
+	if err == nil {
+		t.Fatal("expected missing --llm-base-url error")
+	}
+
+	cfg, err := parseServeArgs([]string{"--profile-dir", "./profiles", "--llm-base-url", "http://x/v1"})
+	if err != nil {
+		t.Fatalf("expected valid serve args, got %v", err)
+	}
+	if cfg.addr != ":8080" {
+		t.Fatalf("expected default addr :8080, got %q", cfg.addr)
+	}
+}
+
 func TestDetermineExitCode(t *testing.T) {
 	if got := determineExitCode(errors.New("boom"), nil); got != ExitRuntimeError {
 		t.Fatalf("expected runtime exit code, got %d", got)