fix: resolve golangci-lint issues

- Fix gofumpt formatting in models.go
- Replace deprecated database methods with context-aware versions:
  - db.Ping() -> db.PingContext()
  - db.Exec() -> db.ExecContext()
  - db.Begin() -> db.BeginTx()
- Update Taskfile.yaml to match CI lint configuration

Taskfile.yaml

@@ -6,12 +6,12 @@ tasks:
   lint:
     desc: Run base linters
     cmds:
-      - golangci-lint run
+      - golangci-lint run --path-mode=abs --config=".golangci.yml" --timeout=5m
 
   lint-fix:
     desc: Run base linters and fix issues
     cmds:
-      - golangci-lint run --fix
+      - golangci-lint run --path-mode=abs --config=".golangci.yml" --timeout=5m --fix
 
   test:
     desc: Run tests

internal/tui/components/dialogs/models/models.go

@@ -219,7 +219,7 @@ func (m *modelDialogCmp) SetModelType(modelType int) tea.Cmd {
 	providers := config.Providers()
 	modelItems := []util.Model{}
 	selectIndex := 0
-	
+
 	cfg := config.Get()
 	var currentModel config.PreferredModel
 	if m.modelType == LargeModelType {
@@ -227,7 +227,7 @@ func (m *modelDialogCmp) SetModelType(modelType int) tea.Cmd {
 	} else {
 		currentModel = cfg.Models.Small
 	}
-	
+
 	for _, provider := range providers {
 		name := provider.Name
 		if name == "" {