feat(cli): 配置相对路径按 exe 目录解析

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/Gpulse.WCT.DataAnalyzer/Program.cs

@@ -17,14 +17,8 @@ public class Program
 {
     public static async Task<int> Main(string[] args)
     {
-        // 1. 构建引导配置（用于 Serilog 初始化）
+        // 1. 构建引导配置（用于 Serilog 初始化），并将数据库/日志等相对路径解析到 exe 所在目录
-        var bootstrapConfig = new ConfigurationBuilder()
+        var bootstrapConfig = BuildConfiguration(args);
-            .SetBasePath(AppContext.BaseDirectory)
-            .AddJsonFile("appsettings.json", optional: false)
-            .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT") ?? "Production"}.json", optional: true)
-            .AddEnvironmentVariables()
-            .AddCommandLine(args)
-            .Build();
 
         // 2. 创建引导日志器
         Log.Logger = new LoggerConfiguration()
@@ -89,4 +83,79 @@ public class Program
             await Log.CloseAndFlushAsync();
         }
     }
+
+    /// <summary>
+    /// 构建配置。除支持 json/环境变量/命令行外，
+    /// 将 appsettings.json 中数据库、日志、输出等相对路径统一解析为基于 exe 所在目录的绝对路径，
+    /// 保证应用从任意工作目录启动时，配置文件、数据库、日志都落在 exe 旁边。
+    /// </summary>
+    private static IConfiguration BuildConfiguration(string[] args)
+    {
+        var builder = new ConfigurationBuilder()
+            .SetBasePath(AppContext.BaseDirectory)
+            .AddJsonFile("appsettings.json", optional: false)
+            .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT") ?? "Production"}.json", optional: true)
+            .AddEnvironmentVariables()
+            .AddCommandLine(args);
+
+        var config = builder.Build();
+
+        // 收集需要解析的相对路径，通过内存配置覆盖层注入（优先级高于 json/环境变量/命令行）
+        var overrides = ResolveRelativePaths(config);
+
+        if (overrides.Count == 0)
+            return config;
+
+        return new ConfigurationBuilder()
+            .AddConfiguration(config)
+            .AddInMemoryCollection(overrides)
+            .Build();
+    }
+
+    /// <summary>
+    /// 将配置中的相对路径解析为基于 exe 目录的绝对路径。
+    /// </summary>
+    private static Dictionary<string, string?> ResolveRelativePaths(IConfiguration config)
+    {
+        var baseDirectory = AppContext.BaseDirectory;
+        var overrides = new Dictionary<string, string?>(StringComparer.OrdinalIgnoreCase);
+
+        // 数据库文件
+        foreach (var key in new[] { "Database:Path", "Database:LocalPath", "Database:ReleasePath" })
+        {
+            AddResolved(overrides, config, key, baseDirectory);
+        }
+
+        // 日志与输出目录
+        foreach (var key in new[] { "Paths:LogDir", "Paths:OutputDir" })
+        {
+            AddResolved(overrides, config, key, baseDirectory);
+        }
+
+        // Serilog 文件日志路径（遍历 WriteTo 数组，避免硬编码索引）
+        foreach (var sink in config.GetSection("Serilog:WriteTo").GetChildren())
+        {
+            if (!string.Equals(sink["Name"], "File", StringComparison.OrdinalIgnoreCase))
+                continue;
+
+            AddResolved(overrides, config, $"{sink.Path}:Args:path", baseDirectory);
+        }
+
+        return overrides;
+    }
+
+    private static void AddResolved(
+        Dictionary<string, string?> overrides,
+        IConfiguration config,
+        string key,
+        string baseDirectory)
+    {
+        var value = config[key];
+        if (string.IsNullOrWhiteSpace(value))
+            return;
+
+        overrides[key] = Path.IsPathRooted(value)
+            ? value
+            : Path.GetFullPath(Path.Combine(baseDirectory, value));
+    }
 }