fix: speed up tests and reduce output verbosity

- Use bcrypt.MinCost in tests instead of DefaultCost (saves ~10s)
- Remove unnecessary 100ms startup sleeps from test server creation (saves ~8s)
- Remove -v flag from Makefile test target to reduce output noise

Handler tests: 24.4s → 13.8s, DB tests: 2.6s → 1.5s
Total make test: 38s → 28s (well under 30s timeout)

internal/db/auth.go

@@ -10,7 +10,12 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
-const bcryptCost = bcrypt.DefaultCost
+//nolint:gochecknoglobals // var so tests can override via SetBcryptCost
+var bcryptCost = bcrypt.DefaultCost
+
+// SetBcryptCost overrides the bcrypt cost.
+// Use bcrypt.MinCost in tests to avoid slow hashing.
+func SetBcryptCost(cost int) { bcryptCost = cost }
 
 var errNoPassword = errors.New(
 	"account has no password set",

internal/db/main_test.go

@@ -0,0 +1,14 @@
+package db_test
+
+import (
+	"os"
+	"testing"
+
+	"git.eeqj.de/sneak/neoirc/internal/db"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func TestMain(m *testing.M) {
+	db.SetBcryptCost(bcrypt.MinCost)
+	os.Exit(m.Run())
+}

internal/handlers/api_test.go

@@ -11,6 +11,7 @@ import (
 	"io"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -30,8 +31,14 @@ import (
 	"git.eeqj.de/sneak/neoirc/internal/stats"
 	"go.uber.org/fx"
 	"go.uber.org/fx/fxtest"
+	"golang.org/x/crypto/bcrypt"
 )
 
+func TestMain(m *testing.M) {
+	db.SetBcryptCost(bcrypt.MinCost)
+	os.Exit(m.Run())
+}
+
 const (
 	commandKey  = "command"
 	bodyKey     = "body"
@@ -102,7 +109,6 @@ func newTestServer(
 	)
 
 	app.RequireStart()
-	time.Sleep(100 * time.Millisecond)
 
 	httpSrv := httptest.NewServer(srv)
 
@@ -2985,10 +2991,7 @@ func newTestServerWithOper(
 		fx.Populate(&srv),
 	)
 
-	const startupDelay = 100 * time.Millisecond
-
 	app.RequireStart()
-	time.Sleep(startupDelay)
 
 	httpSrv := httptest.NewServer(srv)