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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1280 1200" width="100%" height="100%">
+<!--
+================================================================================
+图表名称：提示词策略 MCP Server 原型架构图 (Prompt Strategy MVP Architecture)
+文件命名：prompt-strategy-mcp-server-prototype-architecture.svg
+用途：展示从 Client 请求到 5 Whys 策略引擎、资源层再到大模型推理的“上下层级”完整组件链及执行流。
+版本：v1.0.0 (Top-Down Layout with 50px Spacing Adjustment)
+作者：Gitconomy Research-郭晧
+SPDX-License-Identifier: MIT & CC-BY-SA-4.0
+创建日期：2026-03-01
+================================================================================
+-->
+
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+
+  <defs>
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+      :root {
+        /* 语义色定义 */
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+        --c-cloud-blue-light: rgba(0, 153, 255, 0.08);
+        --c-local-green: #009900;
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+        --c-gov-blue: #3B82F6;
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+        --c-neutral-gray: #475569;
+        --c-neutral-gray-light: #E2E8F0;
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+      .label-text { font-size: 12px; font-weight: bold; fill: var(--c-neutral-gray); }
+      .step-text { font-size: 13px; font-weight: bold; fill: #FFFFFF; }
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+    <!-- 箭头标记 -->
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+    <!-- 返回箭头 (虚线用) -->
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+      <path d="M 0 0 L 8 4 L 0 8 Z" fill="var(--c-neutral-gray)" />
+    </marker>
+  </defs>
+
+  <!--
+  ===========================================================================
+       顶层标题块 (Title Block)
+       绝对底部坐标为: 40 + 70 + 3 = 113
+  ===========================================================================
+  -->
+  <g id="title-block" transform="translate(640, 40)">
+    <text y="0" text-anchor="middle" class="font-mono" font-size="12" fill="var(--c-neutral-gray)" letter-spacing="1">FIG-01</text>
+    <text y="30" text-anchor="middle" class="font-sans" font-weight="bold" font-size="24" fill="#000000">提示词策略 MCP Server 系统组件工作流架构图</text>
+    <text y="55" text-anchor="middle" class="font-mono" font-size="14" fill="var(--c-neutral-gray)">架构图 &gt; MVP Sprint1 &amp; 系统组件工作流</text>
+    <rect x="-30" y="70" width="60" height="3" fill="var(--c-cloud-blue)" />
+  </g>
+
+  <!--
+  ===========================================================================
+       架构图主体内容 (Architecture Diagram Content)
+       通过 translate(0, 73) 平移，使最顶部的 Client Request (原 y=90)
+       新坐标达到 163，从而与标题底部 (113) 保持精确的 50 单位距离。
+  ===========================================================================
+  -->
+  <g id="diagram-content" transform="translate(0, 73)">
+
+    <!--
+    ===========================================================================
+         物理边界与容器 (Boundaries)
+    ===========================================================================
+    -->
+    <g id="boundaries" transform="translate(0, 240)">
+      <!-- Node.js MCP Server Runtime Boundary -->
+      <rect x="280" y="0" width="960" height="550" rx="12" fill="var(--c-local-green-light)" stroke="var(--c-local-green)" stroke-dasharray="4 4" stroke-width="2" />
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+      <text x="300" y="23" class="font-mono" font-size="14" font-weight="bold" fill="var(--c-local-green)">📦 Node.js MCP Server Runtime (Express.js)</text>
+    </g>
+
+    <!--
+    ===========================================================================
+         核心连线与正交路由路径 (Orthogonal Routing)
+    ===========================================================================
+    -->
+    <g id="connections" fill="none" stroke="var(--c-neutral-gray)" stroke-width="2">
+      <!-- Client to app.js -->
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+      <path d="M 760 470 L 760 495 L 1080 495 L 1080 518" marker-end="url(#arrow-gray)" />
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+      <!-- Controllers to Services -->
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+      <path d="M 760 580 L 760 632" marker-end="url(#arrow-gray)" />
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+      <path d="M 970 680 L 875 680" stroke-dasharray="4 2" marker-end="url(#arrow-gray)" />
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+      <path d="M 1080 725 L 1080 855" marker-end="url(#arrow-gray)" />
+
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+
+      <!-- config.js to app.js -->
+      <path d="M 490 310 L 682 310" stroke-dasharray="2 2" marker-end="url(#arrow-gray)" />
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+
+    <!--
+    ===========================================================================
+         路径上的文本标签 (Path Labels)
+    ===========================================================================
+    -->
+    <g id="path-labels" class="font-sans label-text">
+      <text x="775" y="255" text-anchor="start">HTTP Request</text>
+      <text x="425" y="605" text-anchor="end">Enquiry</text>
+      <text x="590" y="650" text-anchor="middle">Enhanced</text>
+      <text x="590" y="665" text-anchor="middle">Prompt</text>
+      <text x="930" y="650" text-anchor="middle">Context</text>
+      <text x="930" y="665" text-anchor="middle">Data</text>
+      <text x="725" y="820" text-anchor="end">API Call</text>
+      <text x="795" y="820" text-anchor="start">Response</text>
+      <text x="1095" y="820" text-anchor="start">Fetch / Sync</text>
+    </g>
+
+    <!--
+    ===========================================================================
+         节点卡片 (Cards & Nodes)
+    ===========================================================================
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+    <g id="nodes">
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+        <text x="120" y="20" text-anchor="middle" class="font-sans" font-size="14" font-weight="bold" fill="#0F172A">Client Request</text>
+
+        <!-- List -->
+        <text x="15" y="55" class="font-mono text-code">- /api/prompts/query</text>
+        <text x="15" y="75" class="font-mono text-code">- /api/model/infer</text>
+        <text x="15" y="95" class="font-mono text-code">- /api/resources/list</text>
+        <line x1="15" y1="110" x2="225" y2="110" stroke="var(--c-neutral-gray-light)" stroke-dasharray="2 2" />
+        <text x="15" y="123" class="font-sans card-text" font-size="11">Format: JSON-RPC 2.0</text>
+      </g>
+
+      <!-- 2. config.js & .env -->
+      <g transform="translate(310, 280)">
+        <rect x="0" y="0" width="180" height="60" rx="6" fill="#F8FAFC" stroke="var(--c-neutral-gray)" stroke-width="1.5" stroke-dasharray="2 2" />
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+        <rect x="0" y="20" width="180" height="6" fill="var(--c-neutral-gray)" />
+        <text x="90" y="18" text-anchor="middle" class="font-mono card-title" font-size="13">.env &amp; config.js</text>
+        <text x="90" y="48" text-anchor="middle" class="font-sans card-text">API Keys &amp; Configuration</text>
+      </g>
+
+      <!-- 3. app.js -->
+      <g transform="translate(695, 280)">
+        <rect x="0" y="0" width="130" height="60" rx="6" fill="#FFFFFF" stroke="var(--c-gov-blue)" stroke-width="2" />
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+        <rect x="0" y="20" width="130" height="6" fill="var(--c-gov-blue)" />
+        <text x="65" y="18" text-anchor="middle" class="font-mono card-title">app.js</text>
+        <text x="65" y="48" text-anchor="middle" class="font-sans card-text">Main Gateway</text>
+      </g>
+
+      <!-- 4. apiRoutes.js -->
+      <g transform="translate(670, 380)">
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+        <rect x="0" y="20" width="180" height="6" fill="var(--c-gov-blue)" />
+        <text x="90" y="18" text-anchor="middle" class="font-mono card-title">apiRoutes.js</text>
+        <text x="90" y="45" text-anchor="middle" class="font-sans card-text">API Router Node</text>
+        <line x1="20" y1="55" x2="160" y2="55" stroke="var(--c-neutral-gray-light)" stroke-width="1.5" />
+        <text x="90" y="75" text-anchor="middle" class="font-mono card-text" font-size="11">Express Router()</text>
+      </g>
+
+      <!-- 5. promptsController.js -->
+      <g transform="translate(340, 520)">
+        <rect x="0" y="0" width="200" height="60" rx="6" fill="#FFFFFF" stroke="var(--c-risk-amber)" stroke-width="2" />
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+        <rect x="0" y="20" width="200" height="6" fill="var(--c-risk-amber)" />
+        <text x="100" y="18" text-anchor="middle" class="font-mono card-title">promptsController.js</text>
+        <text x="100" y="48" text-anchor="middle" class="font-sans card-text">查询与提示词请求分发</text>
+      </g>
+
+      <!-- 6. modelController.js -->
+      <g transform="translate(660, 520)">
+        <rect x="0" y="0" width="200" height="60" rx="6" fill="#FFFFFF" stroke="var(--c-risk-amber)" stroke-width="2" />
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+        <rect x="0" y="20" width="200" height="6" fill="var(--c-risk-amber)" />
+        <text x="100" y="18" text-anchor="middle" class="font-mono card-title">modelController.js</text>
+        <text x="100" y="48" text-anchor="middle" class="font-sans card-text">多步推理请求分发</text>
+      </g>
+
+      <!-- 7. resourcesController.js -->
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+        <rect x="0" y="20" width="200" height="6" fill="var(--c-risk-amber)" />
+        <text x="100" y="18" text-anchor="middle" class="font-mono card-title">resourcesController.js</text>
+        <text x="100" y="48" text-anchor="middle" class="font-sans card-text">资源获取与管理分发</text>
+      </g>
+
+      <!-- 8. promptService.js -->
+      <g transform="translate(330, 640)">
+        <rect x="0" y="0" width="220" height="85" rx="6" fill="#FFFFFF" stroke="var(--c-local-green)" stroke-width="2" />
+        <rect x="0" y="0" width="220" height="26" fill="var(--c-local-green)" rx="6" />
+        <rect x="0" y="20" width="220" height="6" fill="var(--c-local-green)" />
+        <text x="110" y="18" text-anchor="middle" class="font-mono card-title">promptService.js</text>
+        <rect x="15" y="35" width="190" height="20" rx="3" fill="var(--c-risk-amber-light)" />
+        <text x="110" y="50" text-anchor="middle" class="font-sans text-code" fill="var(--c-risk-amber)">核心: 5 Whys 模板分解引擎</text>
+        <text x="110" y="70" text-anchor="middle" class="font-sans card-text">输出: 增强合成提示词</text>
+      </g>
+
+      <!-- 9. inferenceService.js -->
+      <g transform="translate(650, 640)">
+        <rect x="0" y="0" width="220" height="85" rx="6" fill="#FFFFFF" stroke="var(--c-local-green)" stroke-width="2" />
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+        <rect x="0" y="20" width="220" height="6" fill="var(--c-local-green)" />
+        <text x="110" y="18" text-anchor="middle" class="font-mono card-title">inferenceService.js</text>
+        <text x="110" y="50" text-anchor="middle" class="font-sans text-code">大语言模型交互管理</text>
+        <text x="110" y="70" text-anchor="middle" class="font-sans card-text">上下文注入与结果格式化</text>
+      </g>
+
+      <!-- 10. resourceService.js -->
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+        <rect x="0" y="20" width="220" height="6" fill="var(--c-local-green)" />
+        <text x="110" y="18" text-anchor="middle" class="font-mono card-title">resourceService.js</text>
+        <text x="110" y="50" text-anchor="middle" class="font-sans text-code">管理学术DB、PDF等</text>
+        <text x="110" y="70" text-anchor="middle" class="font-sans card-text">提供推理上下文数据</text>
+      </g>
+
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+        <polygon points="0,-40 50,-20 50,20 0,40 -50,20 -50,-20" fill="var(--c-cloud-blue-light)" stroke="var(--c-cloud-blue)" stroke-width="3" />
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+        <text x="0" y="15" text-anchor="middle" class="font-mono card-text" font-size="11" fill="var(--c-cloud-blue)">(Model)</text>
+      </g>
+
+      <!-- 12. External Resources (Cylinder) -->
+      <g transform="translate(980, 865)">
+        <!-- Cylinder Body -->
+        <path d="M 0 15 A 100 20 0 1 0 200 15 V 75 A 100 20 0 1 1 0 75 Z" fill="var(--c-cloud-blue-light)" stroke="var(--c-cloud-blue)" stroke-width="2" />
+        <!-- Cylinder Top -->
+        <ellipse cx="100" cy="15" rx="100" ry="20" fill="var(--c-cloud-blue-light)" stroke="var(--c-cloud-blue)" stroke-width="2" />
+        <text x="100" y="50" text-anchor="middle" class="font-sans card-title" fill="var(--c-cloud-blue)" font-size="14">资源与知识库 (Resources)</text>
+        <text x="100" y="70" text-anchor="middle" class="font-sans card-text" fill="var(--c-cloud-blue)" font-size="12">学术DB / PDF / Obsidian</text>
+      </g>
+    </g>
+
+    <!--
+    ===========================================================================
+         MVP 执行步骤气泡与侧边栏 (MVP Execution Flow Steps)
+    ===========================================================================
+    -->
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+
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+        <circle cx="0" cy="0" r="10" fill="var(--c-step-red)" />
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+
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+        <circle cx="0" cy="0" r="10" fill="var(--c-step-red)" />
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+      </g>
+
+      <!-- Step 4: Assemble Enhanced Prompt -->
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+        <circle cx="0" cy="0" r="10" fill="var(--c-step-red)" />
+        <text x="0" y="4.5" text-anchor="middle" class="font-sans step-text">4</text>
+      </g>
+
+      <!-- Step 5: Inference Request -->
+      <g transform="translate(740, 815)">
+        <circle cx="0" cy="0" r="10" fill="var(--c-step-red)" />
+        <text x="0" y="4.5" text-anchor="middle" class="font-sans step-text">5</text>
+      </g>
+
+      <!-- Step 6: Return Result -->
+      <g transform="translate(780, 815)">
+        <circle cx="0" cy="0" r="10" fill="var(--c-step-red)" />
+        <text x="0" y="4.5" text-anchor="middle" class="font-sans step-text">6</text>
+      </g>
+
+      <!-- Flow Legend Box (Left Side) -->
+      <g transform="translate(20, 360)">
+        <rect x="0" y="0" width="240" height="180" rx="8" fill="#FEF2F2" stroke="var(--c-step-red)" stroke-width="1.5" />
+        <text x="120" y="25" text-anchor="middle" class="font-sans" font-size="14" font-weight="bold" fill="var(--c-step-red)">MVP 核心执行步骤流</text>
+        <line x1="15" y1="35" x2="225" y2="35" stroke="var(--c-step-red)" stroke-dasharray="2 2" />
+
+        <!-- List Items -->
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+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">1</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">接收初始查询与资源请求</text>
+        </g>
+        <g transform="translate(15, 75)">
+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">2</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">5 Whys 深度模板分解</text>
+        </g>
+        <g transform="translate(15, 95)">
+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">3</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">提取外部资源与本地知识</text>
+        </g>
+        <g transform="translate(15, 115)">
+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">4</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">注入上下文生成合成提示词</text>
+        </g>
+        <g transform="translate(15, 135)">
+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">5</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">发起大模型多步推理</text>
+        </g>
+        <g transform="translate(15, 155)">
+          <circle cx="6" cy="-4" r="6" fill="var(--c-step-red)" />
+          <text x="6" y="0" text-anchor="middle" class="font-sans step-text" font-size="9">6</text>
+          <text x="18" y="0" class="font-sans card-text" fill="#000000">组装并返回深度研究结果</text>
+        </g>
+      </g>
+    </g>
+  </g>
+
+  <!--
+  ===========================================================================
+       底部图例与注释块 (Legend & Key Block)
+  ===========================================================================
+  -->
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+
+    <g transform="translate(-420, 0)">
+      <text x="0" y="8" class="font-sans" font-size="13" font-weight="bold" fill="var(--c-neutral-gray)">组件与语义对照:</text>
+
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