pref: 生成参数微调，可选能力默认启用

.gitignore

@@ -70,3 +70,4 @@ bin
 !/AppHome/Agent/industry/
 /AppHome/Agent/config/AgentConfig.json
 /cc
+/AppHome/Logs

AgentTest/AgentEngineLogicTests.cs

@@ -4,6 +4,8 @@ using System.Collections.Generic;
 using System.Threading;
 using Tools.MyAgent;
 using Tools.MyAgent.Agent;
+using Tools.MyAgent.Agent.Tools;
+using Tools.MyAgent.Config;
 using Tools.MyAgent.Kb;
 
 namespace AgentTest
@@ -27,6 +29,27 @@ namespace AgentTest
             Assert.Equal(0, errorCount, "释放后的迟到请求不应再向 UI 上报网络错误");
         }
 
+        [Test]
+        public void DefaultConfig_UsesExpandedGenerationDefaults_AndOptionalTools()
+        {
+            var cfg = new AgentConfig();
+
+            Assert.Equal(32768, cfg.MaxTokens, "默认输出上限应为原默认值的 4 倍");
+            Assert.Equal(128000, cfg.MaxContextTokens, "默认上下文预算应为原默认值的 4 倍");
+            Assert.True(cfg.EnableOptionalTools, "可选能力默认应启用");
+        }
+
+        [Test]
+        public void DefaultToolSchema_IncludesOptionalTools()
+        {
+            var tools = ToolSchema.Build();
+            string schema = tools.ToString();
+
+            Assert.Contains(schema, "db_query", "默认工具应包含数据库查询");
+            Assert.Contains(schema, "db_schema", "默认工具应包含数据库结构查询");
+            Assert.Contains(schema, "doc_export", "默认工具应包含文档导出");
+        }
+
         // ── token 估算 ──
 
         [Test]

AppHome/Tools.Agent.xml

@@ -61,7 +61,7 @@
             </summary>
         </member>
         <member name="F:Tools.MyAgent.Agent.AgentEngine._contextTokens">
-            <summary>上下文 token 预算（由配置注入；默认 32000）</summary>
+            <summary>上下文 token 预算（由配置注入；默认 128000）</summary>
         </member>
         <member name="F:Tools.MyAgent.Agent.AgentEngine.MaxToolReturnChars">
             <summary>工具结果回填模型的字符上限（#42：超限压缩 + 完整结果落盘）。
@@ -126,7 +126,7 @@
             <summary>本次运行已自动续写的轮数（每次 RunAsync 重置；见 FinishAnswerAsync）</summary>
         </member>
         <member name="F:Tools.MyAgent.Agent.AgentEngine._includeOptionalTools">
-            <summary>是否向模型下发可选/高级工具（默认只下发核心工具）</summary>
+            <summary>是否向模型下发可选/高级工具（默认下发全部已注册工具）</summary>
         </member>
         <member name="F:Tools.MyAgent.Agent.AgentEngine._toolRoleAllow">
             <summary>工具级权限（P3）：工具名 → 允许角色列表；空 = 全部可用（由 AgentConfig.ToolRoleAllow 注入）</summary>
@@ -495,7 +495,7 @@
             </summary>
         </member>
         <member name="M:Tools.MyAgent.Agent.ToolSchema.Build">
-            <summary>构建默认工具（核心能力）的 JSON Schema</summary>
+            <summary>构建默认工具（包含可选能力）的 JSON Schema</summary>
         </member>
         <member name="M:Tools.MyAgent.Agent.ToolSchema.Build(System.Boolean,System.Func{System.String,System.Boolean})">
             <summary>
@@ -720,7 +720,7 @@
             <summary>故障转移（#31）：备用模型配置；EnableFailover 且主模型连续失败达阈值时自动切换</summary>
         </member>
         <member name="P:Tools.MyAgent.Config.AgentConfig.EnableOptionalTools">
-            <summary>是否启用可选/高级工具（db_query、module_patch、img_search、/workflow）</summary>
+            <summary>是否启用可选/高级工具（db_query、module_patch、img_search、/workflow）；默认启用，可显式关闭</summary>
         </member>
         <member name="P:Tools.MyAgent.Config.AgentConfig.EnableImageInput">
             <summary>是否启用图片提问（多模态，v2.2）：启用后粘贴截图随提问以 image_url 发送，需视觉模型支持（如 DeepSeek-VL / qwen-vl）；默认启用</summary>
@@ -1206,7 +1206,7 @@
             </summary>
         </member>
         <member name="M:Tools.MyAgent.Kb.KbIndex.Start">
-            <summary>启动：打开/建库 + 后台构建（幂等）</summary>
+            <summary>启动索引：只在后台打开 SQLite 并开始构建，调用方不会被建库 IO 阻塞。</summary>
         </member>
         <member name="M:Tools.MyAgent.Kb.KbIndex.Invalidate">
             <summary>标记变更，调度后台增量重建（带去抖；构建中则完成后自动续跑）</summary>
@@ -1357,6 +1357,11 @@
         <member name="P:Tools.MyAgent.Kb.KbService.IsSearchValid">
             <summary>搜索范围是否有效（目录存在）</summary>
         </member>
+        <member name="M:Tools.MyAgent.Kb.KbService.EnsureIndexStartedIfSmall(System.Int32)">
+            <summary>
+            仅为小型知识库自动启动索引。文件数未知或超过阈值时保持未建索引，避免打开窗口触发大规模 SQLite 建库。
+            </summary>
+        </member>
         <member name="M:Tools.MyAgent.Kb.KbService.EnsureIndexStarted">
             <summary>
             启动后台检索索引（幂等）：索引目录固定为输出目录下 index 文件夹，与所选知识库无关。

Tools.Agent/Agent/AgentEngine.cs

@@ -28,8 +28,8 @@ namespace Tools.MyAgent.Agent
         private CancellationTokenSource _cts;
         private int _disposeStarted;
 
-        /// <summary>上下文 token 预算（由配置注入；默认 32000）</summary>
-        private int _contextTokens = 32000;
+        /// <summary>上下文 token 预算（由配置注入；默认 128000）</summary>
+        private int _contextTokens = AgentConfig.DefaultMaxContextTokens;
 
         // #31 故障转移
         private FailoverPolicy _failover;
@@ -107,8 +107,8 @@ namespace Tools.MyAgent.Agent
         /// <summary>本次运行已自动续写的轮数（每次 RunAsync 重置；见 FinishAnswerAsync）</summary>
         private int _continueRounds;
 
-        /// <summary>是否向模型下发可选/高级工具（默认只下发核心工具）</summary>
-        private bool _includeOptionalTools;
+        /// <summary>是否向模型下发可选/高级工具（默认下发全部已注册工具）</summary>
+        private bool _includeOptionalTools = true;
 
         /// <summary>工具级权限（P3）：工具名 → 允许角色列表；空 = 全部可用（由 AgentConfig.ToolRoleAllow 注入）</summary>
         private Dictionary<string, string> _toolRoleAllow = new Dictionary<string, string>();
@@ -194,8 +194,8 @@ namespace Tools.MyAgent.Agent
             _client.ApiKey = cfg.ApiKey ?? "";
             _client.Model = string.IsNullOrEmpty(cfg.Model) ? "deepseek-v4-flash" : cfg.Model;
             _client.Temperature = cfg.Temperature;
-            _client.MaxTokens = cfg.MaxTokens > 0 ? cfg.MaxTokens : 8192;
-            _contextTokens = cfg.MaxContextTokens > 0 ? cfg.MaxContextTokens : 32000;
+            _client.MaxTokens = cfg.MaxTokens > 0 ? cfg.MaxTokens : AgentConfig.DefaultMaxTokens;
+            _contextTokens = cfg.MaxContextTokens > 0 ? cfg.MaxContextTokens : AgentConfig.DefaultMaxContextTokens;
             // R12：策略参数（越界回退默认，防止手改配置文件导致异常行为）
             _maxToolRounds = ClampStrategy(cfg.MaxToolRounds, 1, 50, 15);
             _maxHistoryMessages = ClampStrategy(cfg.MaxHistoryMessages, 3, 200, 60);

Tools.Agent/Agent/FailoverPolicy.cs

 using System;
 using System.Threading;
 using System.Threading.Tasks;
-using Newtonsoft.Json.Linq;
+using Tools.MyAgent.Config;
 
 namespace Tools.MyAgent.Agent
 {
@@ -36,7 +36,7 @@ namespace Tools.MyAgent.Agent
                 _backup.ApiKey = backupApiKey ?? "";
                 _backup.Model = string.IsNullOrEmpty(backupModel) ? "qwen2.5" : backupModel;
                 _backup.Temperature = 0.3;
-                _backup.MaxTokens = 8192;
+                _backup.MaxTokens = AgentConfig.DefaultMaxTokens;
             }
             if (!enabled && _failedOver)
             {

Tools.Agent/Agent/OpenAiCompatibleClient.cs

@@ -9,6 +9,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Tools.MyAgent.Config;
 
 namespace Tools.MyAgent.Agent
 {
@@ -46,7 +47,7 @@ namespace Tools.MyAgent.Agent
         public string ApiKey { get; set; } = "";
         public string Model { get; set; } = "deepseek-v4-flash";
         public double Temperature { get; set; } = 0.3;
-        public int MaxTokens { get; set; } = 8192;
+        public int MaxTokens { get; set; } = AgentConfig.DefaultMaxTokens;
 
         /// <summary>获取当前兼容接口公开的模型列表（不影响聊天请求）</summary>
         public async Task<(bool Ok, string Message, List<string> Models)> FetchModelsAsync(CancellationToken ct)

Tools.Agent/Agent/ToolSchema.cs

@@ -10,8 +10,8 @@ namespace Tools.MyAgent.Agent
     /// </summary>
     public static class ToolSchema
     {
-        /// <summary>构建默认工具（核心能力）的 JSON Schema</summary>
-        public static JArray Build() => Build(false);
+        /// <summary>构建默认工具（包含可选能力）的 JSON Schema</summary>
+        public static JArray Build() => Build(true);
 
         /// <summary>
         /// 构建工具 JSON Schema；includeOptional=true 时包含高级/可选工具；

Tools.Agent/Config/AgentConfig.cs

@@ -9,6 +9,10 @@
     /// </summary>
     public sealed class AgentConfig
     {
+        public const double DefaultTemperature = 0.3;
+        public const int DefaultMaxTokens = 32768;
+        public const int DefaultMaxContextTokens = 128000;
+
         // ════════════════ 核心项（主设置页） ════════════════
 
         /// <summary>【核心】提供商预设名（DeepSeek / 通义千问 / OpenAI / 本地 Ollama / 自定义）</summary>
@@ -52,13 +56,13 @@
         // ════════════════ 高级项：生成参数 ════════════════
 
         /// <summary>采样温度</summary>
-        public double Temperature { get; set; } = 0.3;
+        public double Temperature { get; set; } = DefaultTemperature;
 
         /// <summary>输出上限（过小会导致长回答被截断残缺；若超出模型上限，客户端会自动减半重试兑底）</summary>
-        public int MaxTokens { get; set; } = 8192;
+        public int MaxTokens { get; set; } = DefaultMaxTokens;
 
         /// <summary>上下文 token 预算（超出后自动裁剪历史 / LLM 摘要压缩；0 = 使用模型默认值）</summary>
-        public int MaxContextTokens { get; set; } = 32000;
+        public int MaxContextTokens { get; set; } = DefaultMaxContextTokens;
 
         /// <summary>是否使用系统代理（挂 WebRequest.GetSystemWebProxy / HTTPS_PROXY 环境变量）</summary>
         public bool UseSystemProxy { get; set; } = true;
@@ -98,8 +102,8 @@
 
         // ════════════════ 高级项：可选能力 ════════════════
 
-        /// <summary>是否启用可选/高级工具（db_query、module_patch、img_search、/workflow）</summary>
-        public bool EnableOptionalTools { get; set; } = false;
+        /// <summary>是否启用可选/高级工具（db_query、module_patch、img_search、/workflow）；默认启用，可显式关闭</summary>
+        public bool EnableOptionalTools { get; set; } = true;
 
         /// <summary>是否启用图片提问（多模态，v2.2）：启用后粘贴截图随提问以 image_url 发送，需视觉模型支持（如 DeepSeek-VL / qwen-vl）；默认启用</summary>
         public bool EnableImageInput { get; set; } = true;

Tools.Agent/Forms/AgentSettingsForm.Designer.cs

@@ -554,7 +554,7 @@
             0});
             this.numMaxTokens.Location = new System.Drawing.Point(384, 28);
             this.numMaxTokens.Maximum = new decimal(new int[] {
-            16384,
+            65536,
             0,
             0,
             0});
@@ -567,7 +567,7 @@
             this.numMaxTokens.Size = new System.Drawing.Size(96, 23);
             this.numMaxTokens.TabIndex = 4;
             this.numMaxTokens.Value = new decimal(new int[] {
-            8192,
+            32768,
             0,
             0,
             0});
@@ -590,7 +590,7 @@
             0});
             this.numContext.Location = new System.Drawing.Point(92, 60);
             this.numContext.Maximum = new decimal(new int[] {
-            200000,
+            800000,
             0,
             0,
             0});
@@ -603,7 +603,7 @@
             this.numContext.Size = new System.Drawing.Size(96, 23);
             this.numContext.TabIndex = 6;
             this.numContext.Value = new decimal(new int[] {
-            32000,
+            128000,
             0,
             0,
             0});

Tools.Agent/Forms/AgentSettingsForm.cs

@@ -270,9 +270,9 @@ namespace Tools.MyAgent.Forms
             // 基础配置：UI 风格固定为 RichBox（RichTextBox + RTF 渲染），不再提供 WebView 选项
 
             // 高级配置：生成参数
-            numTemp.Value = ClampDecimalToControl(_config.Temperature, numTemp, 0.3m);
-            numMaxTokens.Value = ClampToControl(_config.MaxTokens, numMaxTokens, 8192);
-            numContext.Value = ClampToControl(_config.MaxContextTokens, numContext, 32000);
+            numTemp.Value = ClampDecimalToControl(_config.Temperature, numTemp, (decimal)AgentConfig.DefaultTemperature);
+            numMaxTokens.Value = ClampToControl(_config.MaxTokens, numMaxTokens, AgentConfig.DefaultMaxTokens);
+            numContext.Value = ClampToControl(_config.MaxContextTokens, numContext, AgentConfig.DefaultMaxContextTokens);
             chkProxy.Checked = _config.UseSystemProxy;
 
             // 高级配置：策略参数（R12；越界回退默认，避免 NumericUpDown 赋值抛异常）

Tools.Agent/wMyAgent.Designer.cs

@@ -27,7 +27,7 @@ namespace Tools.MyAgent
             this.components = new System.ComponentModel.Container();
             this.panelChat = new System.Windows.Forms.Panel();
             this.panelBottom = new System.Windows.Forms.Panel();
-            this.btnSend = new System.Windows.Forms.Button();
+            this.lblShortcutHint = new System.Windows.Forms.Label();
             this.txtInput = new System.Windows.Forms.TextBox();
             this.panelToolbar = new System.Windows.Forms.Panel();
             this.lblCopy = new System.Windows.Forms.LinkLabel();
@@ -54,8 +54,8 @@ namespace Tools.MyAgent
             // 
             // panelBottom
             // 
-            this.panelBottom.Controls.Add(this.btnSend);
             this.panelBottom.Controls.Add(this.txtInput);
+            this.panelBottom.Controls.Add(this.lblShortcutHint);
             this.panelBottom.Dock = System.Windows.Forms.DockStyle.Bottom;
             this.panelBottom.Location = new System.Drawing.Point(0, 490);
             this.panelBottom.Margin = new System.Windows.Forms.Padding(4);
@@ -64,20 +64,18 @@ namespace Tools.MyAgent
             this.panelBottom.Size = new System.Drawing.Size(817, 148);
             this.panelBottom.TabIndex = 1;
             //
-            // btnSend
-            // 
-            this.btnSend.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(120)))), ((int)(((byte)(212)))));
-            this.btnSend.Dock = System.Windows.Forms.DockStyle.Right;
-            this.btnSend.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
-            this.btnSend.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Bold);
-            this.btnSend.ForeColor = System.Drawing.Color.White;
-            this.btnSend.Location = new System.Drawing.Point(723, 6);
-            this.btnSend.Margin = new System.Windows.Forms.Padding(4);
-            this.btnSend.Name = "btnSend";
-            this.btnSend.Size = new System.Drawing.Size(89, 136);
-            this.btnSend.TabIndex = 1;
-            this.btnSend.Text = "发送";
-            this.btnSend.UseVisualStyleBackColor = false;
+            // lblShortcutHint
+            //
+            this.lblShortcutHint.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.lblShortcutHint.Font = new System.Drawing.Font("微软雅黑", 9F);
+            this.lblShortcutHint.ForeColor = System.Drawing.Color.Gray;
+            this.lblShortcutHint.Location = new System.Drawing.Point(5, 112);
+            this.lblShortcutHint.Name = "lblShortcutHint";
+            this.lblShortcutHint.Padding = new System.Windows.Forms.Padding(4, 0, 0, 0);
+            this.lblShortcutHint.Size = new System.Drawing.Size(807, 24);
+            this.lblShortcutHint.TabIndex = 2;
+            this.lblShortcutHint.Text = "Enter 发送，Shift + Enter 换行";
+            this.lblShortcutHint.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
             //
             // txtInput
             //
@@ -228,7 +226,7 @@ namespace Tools.MyAgent
 
         private System.Windows.Forms.Panel panelChat;
         private System.Windows.Forms.Panel panelBottom;
-        private System.Windows.Forms.Button btnSend;
+        private System.Windows.Forms.Label lblShortcutHint;
         private System.Windows.Forms.TextBox txtInput;
         private System.Windows.Forms.Panel panelToolbar;
         private System.Windows.Forms.LinkLabel lblNewChat;

Tools.Agent/wMyAgent.cs

@@ -388,7 +388,7 @@ namespace Tools.MyAgent
             cmbScope.SelectedIndexChanged += (s, e) => OnScopeComboChanged();
             lblSaveKb.LinkClicked += (s, e) => SaveLastAnswerToKb();
             lblCopy.LinkClicked += (s, e) => CopyLastAnswer();
-            btnSend.Click += (s, e) => OnSendButtonClick();
+            // 发送/取消均使用键盘：Enter 发送，ESC 取消
             txtInput.KeyDown += OnInputKeyDown;
             // 输入框拖入图片文件 → 加入待发送附图列表（与 Ctrl+V 粘贴同一套收图流程）
             txtInput.AllowDrop = true;
@@ -532,7 +532,7 @@ namespace Tools.MyAgent
 
         // ── 发送 / 取消 ──────────────────────────────────
 
-        private void OnSendButtonClick()
+        private void OnSendOrCancel()
         {
             if (_engine.IsRunning)
             {
@@ -568,7 +568,7 @@ namespace Tools.MyAgent
 
             txtInput.Text = "";
             SetInputEnabled(false);
-            SetButtonState(true);
+            SetShortcutHint(true);
 
             _messages.Add(new ChatMessage
             {
@@ -770,24 +770,20 @@ namespace Tools.MyAgent
             txtInput.Focus();
         }
 
-        private void SetButtonState(bool isRunning)
+        private void SetShortcutHint(bool isRunning)
         {
-            if (isRunning)
-            {
-                btnSend.Text = "取消";
-                btnSend.BackColor = Color.FromArgb(220, 50, 50);
-            }
-            else
-            {
-                btnSend.Text = "发送";
-                btnSend.BackColor = Color.FromArgb(0, 120, 212);
-            }
+            lblShortcutHint.Text = isRunning
+                ? "ESC 取消"
+                : "Enter 发送，Shift + Enter 换行";
+            lblShortcutHint.ForeColor = isRunning
+                ? Color.FromArgb(190, 50, 50)
+                : Color.Gray;
         }
 
         private void ResetInputState()
         {
             SetInputEnabled(true);
-            SetButtonState(false);
+            SetShortcutHint(false);
             txtInput.Focus();
         }
 
@@ -1060,7 +1056,7 @@ namespace Tools.MyAgent
                     // Enter：录入选中命令并作为消息发送
                     e.Handled = true; e.SuppressKeyPress = true;
                     CommitSelectedCommand();
-                    OnSendButtonClick();
+                    OnSendOrCancel();
                     return;
                 }
                 if (e.KeyCode == Keys.Escape)
@@ -1098,7 +1094,7 @@ namespace Tools.MyAgent
             {
                 // Enter：发送（回复中则为取消）
                 e.SuppressKeyPress = true;
-                OnSendButtonClick();
+                OnSendOrCancel();
             }
         }