feat: publish language model origins chapter

src/pages/index.astro

@@ -6,6 +6,7 @@ import { chapters, statusLabel } from "@/data/chapters";
 
 const routes: Record<string, string> = {
   roadmap: "/roadmap/",
+  "foundations/language-models": "/foundations/language-models/",
   foundations: "/foundations/",
   scaling: "/scaling/",
   "pretraining/data": "/pretraining/data/",
@@ -79,6 +80,7 @@ const paths = [
         </p>
         <div class="hero-actions">
           <a class="button primary" href="/roadmap/">选择学习路径 <span aria-hidden="true">↓</span></a>
+          <a class="button" href="/foundations/language-models/">语言模型从哪里来</a>
           <a class="button" href="/k3/">直接解剖 K3</a>
           <a class="button" href="/deepseek/">DeepSeek 专题</a>
           <a class="button" href="/scaling/">Scaling Laws 专题</a>
@@ -97,7 +99,7 @@ const paths = [
         <div class="hero-stats">
           <div><b>16</b><span>核心专题</span></div>
           <div><b>151</b><span>K3 报告来源</span></div>
-          <div><b>223</b><span>关键论文索引</span></div>
+          <div><b>247</b><span>关键论文索引</span></div>
           <div><b>47p</b><span>K3 技术报告</span></div>
         </div>
       </aside>
@@ -111,6 +113,22 @@ const paths = [
 
   <section class="section compact release-section" id="new-chapters">
     <div class="release-grid">
+      <a class="release-card foundation-release" href="/foundations/language-models/">
+        <div>
+          <p class="eyebrow"><span>NEW / CHAPTER 01</span> LANGUAGE MODELING ORIGINS</p>
+          <h2>预测下一个 Token，为什么会走到今天的大模型？</h2>
+          <p>
+            用预测单位、概率信息、上下文、稀疏性、分布式表示、循环记忆、序列转导与系统成本八张账，
+            从 Shannon、N-gram、Kneser–Ney、Bengio、RNN/LSTM 一路走到 Seq2Seq、Attention 与 K3 / DeepSeek。
+          </p>
+        </div>
+        <dl>
+          <div><dt>LINEAGE</dt><dd>1948 → 2026</dd></div>
+          <div><dt>PAPERS</dt><dd>33 个一手节点</dd></div>
+          <div><dt>LAB</dt><dd>概率 · 向量 · 记忆 · 对齐</dd></div>
+        </dl>
+        <span class="release-arrow" aria-hidden="true">从语言模型的起点开始 →</span>
+      </a>
       <a class="release-card numerics-release" href="/systems/numerics/">
         <div>
           <p class="eyebrow"><span>NEW / CHAPTER 09</span> PRECISION · OPTIMIZATION · STABILITY</p>
@@ -456,6 +474,7 @@ const paths = [
       transition: transform 180ms ease, border-color 180ms ease;
     }
 
+    .foundation-release,
     .numerics-release,
     .data-release,
     .scaling-release,
@@ -473,6 +492,14 @@ const paths = [
         var(--paper-raised);
     }
 
+    .foundation-release {
+      background:
+        radial-gradient(circle at 82% 18%, rgba(159, 91, 52, 0.2), transparent 30%),
+        repeating-linear-gradient(90deg, transparent 0 72px, rgba(159, 91, 52, 0.045) 72px 73px),
+        repeating-linear-gradient(0deg, transparent 0 72px, rgba(48, 64, 82, 0.035) 72px 73px),
+        var(--paper-raised);
+    }
+
     .data-release {
       background:
         radial-gradient(circle at 82% 18%, rgba(76, 118, 112, 0.2), transparent 30%),
@@ -563,6 +590,7 @@ const paths = [
         padding-bottom: 76px;
       }
 
+      .foundation-release,
       .numerics-release,
       .data-release,
       .scaling-release,