Upgrade atlas graph and desktop reader layout

web/README.md

@@ -20,6 +20,14 @@ OLLAMA_URL=http://192.168.1.10:11434
 http://100.114.68.27:18080
 ```
 
+映射域名：
+
+```text
+https://lab.k1412.top/
+```
+
+图谱增强渲染懒加载本地 vendored `ECharts 6.1.0`，文件位于 `web/static/vendor/`。首屏先显示内置 SVG 图谱；ECharts 加载成功后自动升级为 Canvas 交互图谱。
+
 ## AI Policy
 
 - 默认摘要模型：`ChatGPT-5.6:fast`

web/static/app.js

@@ -9,15 +9,18 @@ const state = {
   searchItems: [],
   searchTotal: 0,
   aiBusy: false,
+  atlasChart: null,
 };
 
 const $ = (selector) => document.querySelector(selector);
 
 const elements = {
+  app: $(".atlas-app"),
   healthLine: $("#healthLine"),
   searchInput: $("#searchInput"),
   searchBtn: $("#searchBtn"),
   mapTitle: $("#mapTitle"),
+  atlasChart: $("#atlasChart"),
   atlasSvg: $("#atlasSvg"),
   routeList: $("#routeList"),
   timeline: $("#timeline"),
@@ -61,16 +64,74 @@ async function api(path, options = {}) {
   return payload;
 }
 
+function loadChartEngine() {
+  if (window.echarts) {
+    if (state.atlas) renderAtlasMap();
+    return;
+  }
+  if (document.querySelector("script[data-chart-engine='echarts']")) return;
+
+  const script = document.createElement("script");
+  script.src = "/static/vendor/echarts.min.js?v=6.1.0";
+  script.async = true;
+  script.dataset.chartEngine = "echarts";
+  script.onload = () => {
+    if (state.atlas) renderAtlasMap();
+  };
+  script.onerror = () => {
+    console.warn("ECharts atlas enhancement unavailable; SVG fallback remains active.");
+  };
+  document.head.appendChild(script);
+}
+
 function topicLabel(topic) {
   const found = state.atlas?.topics?.find((item) => item.id === topic);
   return found?.label || topic.replaceAll("-", " ");
 }
 
 function colorFor(index) {
-  const colors = ["#0d766f", "#ba5644", "#aa7419", "#527b46", "#665d9f", "#236092", "#8a5a25"];
+  const colors = ["#0b7a75", "#c95745", "#b37a22", "#4d7f52", "#5f63b5", "#22699a", "#9a5d2f", "#7b4aa0"];
   return colors[index % colors.length];
 }
 
+function hexToRgb(hex) {
+  const clean = String(hex || "").replace("#", "");
+  const value = Number.parseInt(clean.length === 3 ? clean.replace(/(.)/g, "$1$1") : clean, 16);
+  return {
+    r: (value >> 16) & 255,
+    g: (value >> 8) & 255,
+    b: value & 255,
+  };
+}
+
+function hexToRgba(hex, alpha) {
+  const { r, g, b } = hexToRgb(hex);
+  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
+}
+
+function mixColor(hex, target, amount) {
+  const base = hexToRgb(hex);
+  const next = hexToRgb(target);
+  const mix = (left, right) => Math.round(left + (right - left) * amount);
+  return `rgb(${mix(base.r, next.r)}, ${mix(base.g, next.g)}, ${mix(base.b, next.b)})`;
+}
+
+function chartGradient(color) {
+  if (!window.echarts?.graphic?.RadialGradient) return color;
+  return new window.echarts.graphic.RadialGradient(0.34, 0.28, 0.86, [
+    { offset: 0, color: "#ffffff" },
+    { offset: 0.58, color: mixColor(color, "#ffffff", 0.64) },
+    { offset: 1, color },
+  ]);
+}
+
+function setReaderMode(enabled) {
+  const changed = elements.app.classList.toggle("reader-mode", Boolean(enabled));
+  if (changed && state.atlas) {
+    window.requestAnimationFrame(() => renderAtlasMap());
+  }
+}
+
 async function loadHealth() {
   try {
     const health = await api("/api/health");
@@ -90,11 +151,234 @@ async function loadAtlas() {
   renderOverview();
 }
 
+function atlasTopics() {
+  return state.atlas.topics.filter((topic) => topic.count >= 30).slice(0, 13);
+}
+
+function setAtlasRenderer(useChart) {
+  if (elements.atlasChart) elements.atlasChart.hidden = !useChart;
+  if (elements.atlasSvg) elements.atlasSvg.hidden = useChart;
+}
+
 function renderAtlasMap() {
+  if (window.echarts && elements.atlasChart) {
+    try {
+      renderEchartsAtlasMap();
+      return;
+    } catch (error) {
+      console.warn("ECharts atlas failed, falling back to SVG", error);
+    }
+  }
+  renderSvgAtlasMap();
+}
+
+function renderEchartsAtlasMap() {
+  const isMobile = window.matchMedia("(max-width: 760px)").matches;
+  const readerMode = elements.app.classList.contains("reader-mode");
+  let topics = atlasTopics();
+  if (readerMode && !isMobile) {
+    topics = topics.slice(0, 10);
+  }
+  const topicMap = new Map(topics.map((topic, index) => [topic.id, { ...topic, index }]));
+  const maxCount = Math.max(...topics.map((topic) => topic.count), 1);
+  setAtlasRenderer(true);
+
+  if (!state.atlasChart) {
+    state.atlasChart = window.echarts.init(elements.atlasChart, null, {
+      renderer: "canvas",
+      useDirtyRect: true,
+    });
+  }
+
+  const width = elements.atlasChart.clientWidth || (isMobile ? 360 : 780);
+  const height = elements.atlasChart.clientHeight || (isMobile ? 360 : 460);
+  const isCompact = isMobile || width < 690 || elements.app.classList.contains("reader-mode");
+  const padding = isCompact
+    ? { left: 46, right: 86, top: 42, bottom: 54 }
+    : { left: 92, right: 92, top: 64, bottom: 74 };
+  const layoutX = (topic) => (isCompact ? topic.x - Math.max(0, topic.x - 64) * 0.65 : topic.x);
+  const xs = topics.map(layoutX);
+  const ys = topics.map((topic) => topic.y);
+  const minX = Math.min(...xs);
+  const maxX = Math.max(...xs);
+  const minY = Math.min(...ys);
+  const maxY = Math.max(...ys);
+  const xSpan = Math.max(maxX - minX, 1);
+  const ySpan = Math.max(maxY - minY, 1);
+  const plotWidth = Math.max(width - padding.left - padding.right, 260);
+  const plotHeight = Math.max(height - padding.top - padding.bottom, 230);
+  const sizeBase = isCompact ? (isMobile ? 24 : 36) : 48;
+  const sizeRange = isCompact ? (isMobile ? 30 : 42) : 62;
+
+  const nodes = topics.map((topic, index) => {
+    const color = colorFor(index);
+    const active = topic.id === state.activeTopic;
+    const symbolSize = sizeBase + sizeRange * Math.sqrt(topic.count / maxCount);
+    return {
+      id: topic.id,
+      name: topic.label,
+      value: topic.count,
+      x: padding.left + ((layoutX(topic) - minX) / xSpan) * plotWidth,
+      y: padding.top + ((topic.y - minY) / ySpan) * plotHeight,
+      symbolSize,
+      count: topic.count,
+      recent_count: topic.recent_count,
+      heat: topic.heat,
+      question: topic.question,
+      stance: topic.stance,
+      itemStyle: {
+        color: chartGradient(color),
+        borderColor: active ? "#17201c" : mixColor(color, "#101614", 0.08),
+        borderWidth: active ? 3 : 1.4,
+        shadowBlur: active ? 30 : 18,
+        shadowColor: hexToRgba(color, active ? 0.34 : 0.2),
+      },
+      label: {
+        color: active ? "#0f1714" : "#18211d",
+      },
+    };
+  });
+
+  const links = state.atlas.edges
+    .filter((edge) => topicMap.has(edge.source) && topicMap.has(edge.target))
+    .map((edge) => ({
+      source: edge.source,
+      target: edge.target,
+      value: edge.count,
+      lineStyle: {
+        width: Math.max(1, 1.2 + edge.strength * 5.4),
+        opacity: Math.min(0.58, 0.13 + edge.strength * 0.5),
+        color: hexToRgba(colorFor(topicMap.get(edge.source).index), 0.48),
+        curveness: 0.08,
+      },
+    }));
+
+  state.atlasChart.setOption(
+    {
+      backgroundColor: "transparent",
+      animationDuration: 850,
+      animationDurationUpdate: 450,
+      animationEasing: "cubicOut",
+      tooltip: {
+        trigger: "item",
+        confine: true,
+        appendToBody: true,
+        backgroundColor: "rgba(252, 253, 249, 0.97)",
+        borderColor: "rgba(31, 37, 33, 0.18)",
+        borderWidth: 1,
+        padding: [10, 12],
+        textStyle: {
+          color: "#151b18",
+          fontSize: 12,
+          lineHeight: 18,
+        },
+        extraCssText: "box-shadow:0 16px 42px rgba(24,31,28,.16);border-radius:8px;",
+        formatter(params) {
+          if (params.dataType === "edge") {
+            return `
+              <strong>${escapeHtml(topicLabel(params.data.source))} ↔ ${escapeHtml(topicLabel(params.data.target))}</strong><br>
+              共现证据：${escapeHtml(params.data.value)}
+            `;
+          }
+          const item = params.data;
+          return `
+            <strong>${escapeHtml(item.name)}</strong><br>
+            ${escapeHtml(item.count)} papers · recent +${escapeHtml(item.recent_count)}<br>
+            <span style="color:#68706b">${escapeHtml(item.question)}</span>
+          `;
+        },
+      },
+      series: [
+        {
+          type: "graph",
+          layout: "none",
+          data: nodes,
+          links,
+          roam: true,
+          draggable: true,
+          center: isCompact ? (isMobile ? ["80%", "50%"] : ["120%", "50%"]) : ["50%", "50%"],
+          zoom: isCompact ? (isMobile ? 0.64 : 0.72) : 1,
+          nodeScaleRatio: isCompact ? 0.24 : 0.5,
+          cursor: "pointer",
+          selectedMode: "single",
+          scaleLimit: { min: 0.45, max: 3.2 },
+          label: {
+            show: true,
+            position: "inside",
+            overflow: "truncate",
+            formatter(params) {
+              return `{name|${params.data.name}}\n{meta|${params.data.count} · +${params.data.recent_count}}`;
+            },
+            rich: {
+              name: {
+                fontSize: isCompact ? (isMobile ? 9 : 10) : 12,
+                fontWeight: 850,
+                lineHeight: isCompact ? (isMobile ? 12 : 13) : 16,
+              },
+              meta: {
+                color: "#59625d",
+                fontSize: isCompact ? (isMobile ? 8 : 9) : 10,
+                fontWeight: 700,
+                lineHeight: isCompact ? (isMobile ? 10 : 11) : 13,
+              },
+            },
+          },
+          lineStyle: {
+            color: "source",
+            cap: "round",
+          },
+          emphasis: {
+            focus: "adjacency",
+            scale: 1.08,
+            itemStyle: {
+              shadowBlur: 36,
+            },
+            lineStyle: {
+              opacity: 0.82,
+              width: 4,
+            },
+            label: {
+              color: "#0b1411",
+            },
+          },
+          blur: {
+            itemStyle: {
+              opacity: 0.28,
+            },
+            lineStyle: {
+              opacity: 0.06,
+            },
+            label: {
+              opacity: 0.35,
+            },
+          },
+          select: {
+            itemStyle: {
+              borderColor: "#111714",
+              borderWidth: 3,
+              shadowBlur: 34,
+            },
+          },
+        },
+      ],
+    },
+    true,
+  );
+
+  state.atlasChart.off("click");
+  state.atlasChart.on("click", async (params) => {
+    if (params.dataType !== "node" || !params.data?.id) return;
+    await selectTopic(params.data.id);
+    scrollLensIntoView();
+  });
+}
+
+function renderSvgAtlasMap() {
   const topics = state.atlas.topics.filter((topic) => topic.count >= 30).slice(0, 13);
   const topicMap = new Map(topics.map((topic, index) => [topic.id, { ...topic, index }]));
   const maxCount = Math.max(...topics.map((topic) => topic.count), 1);
   const isMobile = window.matchMedia("(max-width: 760px)").matches;
+  setAtlasRenderer(false);
   elements.atlasSvg.setAttribute("viewBox", isMobile ? "16 -4 78 86" : "0 0 170 100");
   const point = (topic) => ({
     x: isMobile ? topic.x : 14 + topic.x * 1.58,
@@ -229,6 +513,7 @@ function routeButtons(routes) {
 }
 
 function renderOverview(aiHtml = "") {
+  setReaderMode(false);
   state.view = "atlas";
   state.selectedPaper = null;
   elements.lensEyebrow.textContent = "Atlas";
@@ -296,6 +581,7 @@ async function selectTopic(topic) {
 }
 
 function renderTopic(focus, aiHtml = "") {
+  setReaderMode(false);
   state.view = "atlas";
   elements.lensEyebrow.textContent = "Topic";
   elements.lensTitle.textContent = focus.label;
@@ -366,6 +652,7 @@ function renderTopic(focus, aiHtml = "") {
 function renderRoute(routeId) {
   const route = state.atlas.routes.find((item) => item.id === routeId);
   if (!route) return;
+  setReaderMode(false);
   state.selectedPaper = null;
   elements.lensEyebrow.textContent = "Route";
   elements.lensTitle.textContent = route.title;
@@ -397,6 +684,7 @@ async function runSearch() {
     renderOverview();
     return;
   }
+  setReaderMode(false);
   state.view = "search";
   setModeButtons("search");
   elements.lensEyebrow.textContent = "Search";
@@ -422,6 +710,7 @@ async function runSearch() {
 }
 
 function renderReading() {
+  setReaderMode(false);
   state.view = "reading";
   setModeButtons("reading");
   elements.lensEyebrow.textContent = "Reading";
@@ -465,6 +754,7 @@ async function selectPaper(id) {
 function renderPaperReader(aiHtml = "", abstractHtml = "") {
   const paper = state.selectedPaper;
   if (!paper) return;
+  setReaderMode(true);
   elements.lensEyebrow.textContent = "Paper";
   elements.lensTitle.textContent = "研读";
   elements.lensBody.innerHTML = `
@@ -483,6 +773,7 @@ function renderPaperReader(aiHtml = "", abstractHtml = "") {
     <section class="section">
       <div class="tool-row">
         <a class="paper-link" href="${escapeHtml(paper.url)}" target="_blank" rel="noreferrer">arXiv</a>
+        <button class="tool-button" type="button" data-reader-action="map">回到图谱</button>
         <button class="tool-button" type="button" data-paper-action="abstract">摘要</button>
         <button class="tool-button primary" type="button" data-paper-action="summary">中文摘要</button>
         <button class="tool-button" type="button" data-paper-action="translate">翻译</button>
@@ -580,13 +871,6 @@ function setModeButtons(view) {
   document.querySelectorAll("[data-view]").forEach((button) => {
     button.classList.toggle("active", button.dataset.view === view);
   });
-
-  window.addEventListener(
-    "resize",
-    debounce(() => {
-      if (state.atlas) renderAtlasMap();
-    }, 150),
-  );
 }
 
 function scrollLensIntoView() {
@@ -619,6 +903,7 @@ function bindEvents() {
     const topicAi = event.target.closest("[data-topic-ai]");
     const compareButton = event.target.closest("[data-compare-topic]");
     const paperAction = event.target.closest("[data-paper-action]");
+    const readerAction = event.target.closest("[data-reader-action]");
 
     if (topicButton) {
       await selectTopic(topicButton.dataset.topic);
@@ -638,6 +923,9 @@ function bindEvents() {
       const action = paperAction.dataset.paperAction;
       if (action === "abstract") await loadAbstract();
       else await runPaperAi(action);
+    } else if (readerAction) {
+      if (state.topicFocus) renderTopic(state.topicFocus);
+      else renderOverview();
     }
   });
 
@@ -669,12 +957,20 @@ function bindEvents() {
       scrollLensIntoView();
     });
   });
+
+  window.addEventListener(
+    "resize",
+    debounce(() => {
+      if (state.atlas) renderAtlasMap();
+    }, 150),
+  );
 }
 
 async function boot() {
   bindEvents();
   await loadHealth();
   await loadAtlas();
+  loadChartEngine();
 }
 
 boot();

web/static/index.html

@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Agent Knowledge Atlas</title>
     <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Crect width='64' height='64' rx='12' fill='%23cfe8e3'/%3E%3Ctext x='32' y='40' text-anchor='middle' font-size='24' font-family='Arial' font-weight='700' fill='%23064c47'%3EAK%3C/text%3E%3C/svg%3E" />
-    <link rel="stylesheet" href="/static/styles.css?v=atlas-20260708-2" />
+    <link rel="stylesheet" href="/static/styles.css?v=atlas-20260708-8" />
   </head>
   <body>
     <main class="atlas-app">
@@ -44,7 +44,8 @@
           </div>
 
           <div id="atlasStage" class="atlas-stage">
-            <svg id="atlasSvg" viewBox="0 0 170 100" role="img" aria-label="Agent topic map"></svg>
+            <div id="atlasChart" class="atlas-chart" role="img" aria-label="Agent topic map"></div>
+            <svg id="atlasSvg" class="atlas-fallback" viewBox="0 0 170 100" role="img" aria-label="Agent topic map"></svg>
           </div>
 
           <div class="route-band">
@@ -78,6 +79,6 @@
       </footer>
     </main>
 
-    <script src="/static/app.js?v=atlas-20260708-2"></script>
+    <script src="/static/app.js?v=atlas-20260708-8"></script>
   </body>
 </html>

web/static/styles.css

@@ -1,17 +1,17 @@
 :root {
-  --bg: #f4f2ec;
+  --bg: #eef0ed;
-  --surface: #fffefa;
+  --surface: #fcfcf8;
-  --surface-2: #ece8df;
+  --surface-2: #e6ece8;
   --ink: #171a18;
   --muted: #6d716c;
-  --line: #ddd8cb;
+  --line: #d5ddd3;
   --teal: #0d766f;
   --teal-2: #cfe8e3;
   --coral: #ba5644;
   --gold: #aa7419;
   --green: #527b46;
   --violet: #665d9f;
-  --shadow: 0 18px 50px rgba(35, 31, 24, 0.1);
+  --shadow: 0 20px 54px rgba(23, 31, 28, 0.11);
 }
 
 * {
@@ -58,7 +58,7 @@ button {
   gap: 18px;
   padding: 16px 22px;
   border-bottom: 1px solid var(--line);
-  background: rgba(255, 254, 250, 0.94);
+  background: rgba(252, 252, 248, 0.94);
   backdrop-filter: blur(14px);
   position: sticky;
   top: 0;
@@ -215,26 +215,49 @@ button {
 }
 
 .atlas-stage {
+  position: relative;
+  isolation: isolate;
   height: min(58vh, 560px);
   min-height: 420px;
   border: 1px solid var(--line);
   border-radius: 8px;
   background:
-    linear-gradient(90deg, rgba(23, 26, 24, 0.035) 1px, transparent 1px),
+    linear-gradient(90deg, rgba(25, 34, 30, 0.045) 1px, transparent 1px),
-    linear-gradient(0deg, rgba(23, 26, 24, 0.035) 1px, transparent 1px),
+    linear-gradient(0deg, rgba(25, 34, 30, 0.045) 1px, transparent 1px),
-    #fffefa;
+    linear-gradient(135deg, rgba(13, 118, 111, 0.08), transparent 42%),
-  background-size: 34px 34px;
+    linear-gradient(315deg, rgba(186, 86, 68, 0.07), transparent 38%),
+    #f8faf5;
+  background-size: 34px 34px, 34px 34px, 100% 100%, 100% 100%, auto;
   box-shadow: var(--shadow);
   overflow: hidden;
 }
 
+.atlas-stage::after {
+  position: absolute;
+  inset: 0;
+  z-index: 0;
+  pointer-events: none;
+  content: "";
+  background:
+    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 24%),
+    linear-gradient(0deg, rgba(19, 25, 22, 0.045), transparent 26%);
+}
+
+.atlas-chart,
 #atlasSvg {
+  position: relative;
+  z-index: 1;
   width: 100%;
   height: 100%;
   min-height: 420px;
   display: block;
 }
 
+.atlas-chart[hidden],
+#atlasSvg[hidden] {
+  display: none;
+}
+
 .atlas-edge {
   stroke: rgba(82, 85, 79, 0.24);
   stroke-linecap: round;
@@ -544,6 +567,99 @@ button {
   display: none;
 }
 
+@media (min-width: 1181px) {
+  html,
+  body {
+    height: 100%;
+    overflow: hidden;
+  }
+
+  .atlas-app {
+    height: 100vh;
+    min-height: 0;
+    overflow: hidden;
+  }
+
+  .workspace {
+    min-height: 0;
+    overflow: hidden;
+  }
+
+  .map-panel,
+  .lens-panel {
+    height: 100%;
+    min-height: 0;
+  }
+
+  .map-panel {
+    overflow: auto;
+    overflow-x: hidden;
+    scrollbar-gutter: stable;
+  }
+
+  .lens-panel {
+    overflow: hidden;
+  }
+
+  .lens-body {
+    overflow: auto;
+  }
+
+  .reader-mode .workspace {
+    grid-template-columns: minmax(430px, 0.78fr) minmax(660px, 1.22fr);
+  }
+
+  .reader-mode .map-head {
+    align-items: flex-start;
+    flex-wrap: wrap;
+  }
+
+  .reader-mode .map-head h2 {
+    font-size: 24px;
+  }
+
+  .reader-mode .atlas-actions {
+    justify-content: flex-start;
+  }
+
+  .reader-mode .route-list {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
+  .reader-mode .lens-head {
+    padding: 22px 30px;
+  }
+
+  .reader-mode .lens-body {
+    padding: 0 30px 38px;
+  }
+
+  .reader-mode .lens-body .section {
+    max-width: 900px;
+    margin: 0 auto;
+  }
+
+  .reader-mode .lens-head h2 {
+    font-size: 26px;
+  }
+
+  .reader-mode .reader-title {
+    font-size: 24px;
+    line-height: 1.22;
+  }
+
+  .reader-mode .reader-box,
+  .reader-mode .ai-box {
+    padding: 18px;
+  }
+
+  .reader-mode .markdown-preview,
+  .reader-mode .ai-output,
+  .reader-mode .abstract-text {
+    font-size: 15px;
+  }
+}
+
 @media (max-width: 1180px) {
   .topbar {
     grid-template-columns: 1fr;
@@ -636,6 +752,7 @@ button {
     max-width: calc(100vw - 28px);
   }
 
+  .atlas-chart,
   #atlasSvg {
     min-height: 360px;
     width: 100%;

web/static/vendor/echarts.LICENSE.txt

@@ -0,0 +1,222 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
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+========================================================================
+Apache ECharts Subcomponents:
+
+The Apache ECharts project contains subcomponents with separate copyright
+notices and license terms. Your use of the source code for these
+subcomponents is also subject to the terms and conditions of the following
+licenses.
+
+BSD 3-Clause (d3.js):
+The following files embed [d3.js](https://github.com/d3/d3) BSD 3-Clause:
+    `/src/chart/treemap/treemapLayout.ts`,
+    `/src/chart/tree/layoutHelper.ts`,
+    `/src/chart/graph/forceHelper.ts`,
+    `/src/util/number.ts`
+See `/licenses/LICENSE-d3` for details of the license.

web/static/vendor/echarts.NOTICE.txt

@@ -0,0 +1,5 @@
+Apache ECharts
+Copyright 2017-2026 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (https://www.apache.org/).