初始提交：姜十三论坛 Jiang13 Forum

轻量自用论坛，Go 单二进制 + React SPA 内嵌 + SQLite。

Co-authored-by: Cursor <cursoragent@cursor.com>

embed_static/templates/board.html

@@ -0,0 +1,16 @@
+{{define "board.html"}}{{template "layout" .}}{{end}}
+{{define "content"}}
+<nav aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="/">首页</a></li><li class="breadcrumb-item active">{{.Board.Name}}</li></ol></nav>
+<h3>{{.Board.Name}}</h3>
+<p class="text-muted">{{.Board.Description}}</p>
+{{if .CurrentUser}}<a href="/post/new?board={{.Board.ID}}" class="btn btn-success btn-sm mb-3">在此板块发帖</a>{{end}}
+{{range .Posts}}
+<div class="card mb-2">
+  <div class="card-body py-2">
+    {{if .Pinned}}<span class="badge badge-pin me-1">置顶</span>{{end}}
+    <a href="/post/{{.ID}}" class="text-decoration-none fw-semibold">{{.Title}}</a>
+    <div class="small text-muted mt-1">{{.User.Nickname}} · {{.CreatedAt.Format "2006-01-02 15:04"}} · 👍 {{.LikeCount}}</div>
+  </div>
+</div>
+{{else}}<p class="text-muted">该板块暂无帖子</p>{{end}}
+{{end}}