🐛 fix(app): 修复品牌图标与 SQLite 查询展示

- 修复 Windows、macOS 与关于页的品牌图标展示及资源裁切问题
- 补齐 SQLite 表记录数与 SELECT 查询结果渲染
- 增加品牌图标和 SQLite 回归测试

internal/app/methods_db_sqlite_test.go

@@ -0,0 +1,90 @@
+//go:build gonavi_full_drivers || gonavi_sqlite_driver
+
+package app
+
+import (
+	"path/filepath"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestDBGetTablesIncludesSQLiteRowCounts(t *testing.T) {
+	app := newSQLAuditTestApp(t)
+	databasePath := filepath.Join(t.TempDir(), "table-counts.sqlite")
+	config := connection.ConnectionConfig{
+		Type:     "custom",
+		Driver:   "sqlite",
+		DSN:      databasePath,
+		Database: databasePath,
+	}
+	t.Cleanup(func() { app.DBReleaseConnection(config) })
+
+	for _, statement := range []string{
+		"CREATE TABLE orders (id INTEGER PRIMARY KEY)",
+		"INSERT INTO orders(id) VALUES (1), (2)",
+	} {
+		result := app.DBQueryMulti(config, databasePath, statement, "sqlite-table-counts")
+		if !result.Success {
+			t.Fatalf("DBQueryMulti(%q) returned failure: %s", statement, result.Message)
+		}
+	}
+
+	result := app.DBGetTables(config, databasePath)
+	if !result.Success {
+		t.Fatalf("DBGetTables returned failure: %s", result.Message)
+	}
+	tables, ok := result.Data.([]map[string]string)
+	if !ok {
+		t.Fatalf("DBGetTables data type = %T, want []map[string]string", result.Data)
+	}
+	for _, table := range tables {
+		if table["Table"] == "orders" {
+			if table["Rows"] != "2" {
+				t.Fatalf("SQLite table row count = %q, want 2", table["Rows"])
+			}
+			return
+		}
+	}
+	t.Fatalf("orders table missing from SQLite table list: %#v", tables)
+}
+
+func TestDBQueryMultiReturnsSQLiteRows(t *testing.T) {
+	app := newSQLAuditTestApp(t)
+	databasePath := filepath.Join(t.TempDir(), "query-results.sqlite")
+	config := connection.ConnectionConfig{
+		Type:     "custom",
+		Driver:   "sqlite",
+		DSN:      databasePath,
+		Database: databasePath,
+	}
+	t.Cleanup(func() { app.DBReleaseConnection(config) })
+
+	for _, statement := range []string{
+		"CREATE TABLE orders (id INTEGER PRIMARY KEY, name TEXT)",
+		"INSERT INTO orders(id, name) VALUES (1, 'SQLite row')",
+	} {
+		result := app.DBQueryMulti(config, databasePath, statement, "sqlite-query-results")
+		if !result.Success {
+			t.Fatalf("DBQueryMulti(%q) returned failure: %s", statement, result.Message)
+		}
+	}
+
+	result := app.DBQueryMulti(config, databasePath, "SELECT id, name FROM orders", "sqlite-query-results")
+	if !result.Success {
+		t.Fatalf("SQLite SELECT returned failure: %s", result.Message)
+	}
+	resultSets, ok := result.Data.([]connection.ResultSetData)
+	if !ok {
+		t.Fatalf("SQLite SELECT data type = %T, want []connection.ResultSetData", result.Data)
+	}
+	if len(resultSets) != 1 || len(resultSets[0].Rows) != 1 {
+		t.Fatalf("SQLite SELECT result sets = %#v, want one row", resultSets)
+	}
+	if len(resultSets[0].Columns) != 2 || resultSets[0].Columns[0] != "id" || resultSets[0].Columns[1] != "name" {
+		t.Fatalf("SQLite SELECT columns = %#v, want [id name]", resultSets[0].Columns)
+	}
+	if resultSets[0].Rows[0]["id"] != int64(1) || resultSets[0].Rows[0]["name"] != "SQLite row" {
+		t.Fatalf("SQLite SELECT row = %#v", resultSets[0].Rows[0])
+	}
+}