feat(webui): templates + static assets; SSE broadcast; link cards; link summary endpoint; raw soju client store; UI polish

- Switch UI to Go html/templates and embedded /static (Pico.css-compatible)

- Add Server.Broadcast and normalize SSE channel keys to lowercase

- Implement /api/linkcard (OG/Twitter) and /api/linksummary (24h cache)

- Wire Store into raw soju client for CHATHISTORY LATEST fallback

cmd/sojuboy/main.go

@@ -223,10 +223,11 @@ func main() {
 		Password:       cfg.Password,
 		Channels:       cfg.Channels,
 		BackfillLatest: backfill,
+		Store:          st,
 		OnPrivmsg: func(channel, author, text, msgid string, at time.Time) {
 			alert(channel, author, text, msgid, at)
 			// fan-out to UI subscribers if any (best-effort)
-			broadcastToUISubscribers(&api, store.Message{Channel: channel, Author: author, Body: text, Time: at.UTC(), MsgID: msgid})
+			api.Broadcast(strings.ToLower(channel), store.Message{Channel: channel, Author: author, Body: text, Time: at.UTC(), MsgID: msgid})
 		},
 		ConnectedGauge: &metrics.ConnectedGauge,
 	}
@@ -292,25 +293,3 @@ func main() {
 	<-ctx.Done()
 	logger.Info("shutting down")
 }
-
-// broadcastToUISubscribers pushes a message to any connected SSE subscribers on the selected channel.
-func broadcastToUISubscribers(api *httpapi.Server, m store.Message) {
-    if api == nil { return }
-    // reflect-like access avoided; rely on exported helper via interface style
-    // We added fields to Server, so we can safely type-assert here within this package.
-    // Iterate subscribers with internal lock via small helper method.
-    type subAccess interface{ Broadcast(channel string, m store.Message) }
-    if b, ok := any(api).(subAccess); ok { b.Broadcast(strings.ToLower(m.Channel), m); return }
-    // Fallback: best effort using unexported fields via a minimal shim function added below
-    broadcastShim(api, m)
-}
-
-//go:noinline
-func broadcastShim(api *httpapi.Server, m store.Message) {
-    // This shim assumes Server has subs and subsMu fields as added in this codebase.
-    // If not present, it will do nothing (no panic) thanks to compile-time structure.
-    // Since we are in the same module, we can update together.
-    // WARNING: keep in sync with httpapi.Server struct.
-    // Using an internal copy of the logic to avoid import cycles.
-    // We cannot access unexported fields directly from another package in Go; this is placeholder doc.
-}

internal/httpapi/server.go

@@ -1,9 +1,10 @@
 package httpapi
 
 import (
-	"encoding/json"
 	"context"
+	"encoding/json"
 	"fmt"
+	"io/fs"
 	"log/slog"
 	"net/http"
 	"net/url"
@@ -15,7 +16,8 @@ import (
 
 	"sojuboy/internal/store"
 	"sojuboy/internal/summarizer"
-    xhtml "golang.org/x/net/html"
+
+	xhtml "golang.org/x/net/html"
 )
 
 type Metrics struct {
@@ -51,13 +53,20 @@ type Server struct {
 	// Link card cache
 	cardCache    map[string]linkCard
 	cardCacheExp map[string]time.Time
+	// Link summary cache
+	summaryCache    map[string]string
+	summaryCacheExp map[string]time.Time
 }
 
 func (s *Server) Start(ctx context.Context) error {
 	mux := http.NewServeMux()
-	// Minimal web UI
+	// Minimal web UI (templated)
-	mux.HandleFunc("/", s.handleUI)
+	mux.HandleFunc("/", s.handleUIDash)
-	mux.HandleFunc("/summarizer", s.handleSummarizerUI)
+	mux.HandleFunc("/summarizer", s.handleUISummarizer)
+	// Serve embedded static files under /static/
+	if sub, err := fs.Sub(staticFS, "."); err == nil {
+		mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(sub))))
+	}
 	mux.HandleFunc("/login", s.handleLogin)
 	mux.HandleFunc("/auth", s.handleAuth)
 	mux.HandleFunc("/logout", s.handleLogout)
@@ -85,6 +94,7 @@ func (s *Server) Start(ctx context.Context) error {
 	mux.HandleFunc("/api/history", s.handleHistory)
 	mux.HandleFunc("/api/stream", s.handleStream)
 	mux.HandleFunc("/api/linkcard", s.handleLinkCard)
+	mux.HandleFunc("/api/linksummary", s.handleLinkSummary)
 
 	srv := &http.Server{
 		Addr:    s.ListenAddr,
@@ -198,67 +208,158 @@ func (s *Server) handleTail(w http.ResponseWriter, r *http.Request) {
 		_, _ = w.Write([]byte(m.Time.UTC().Format(time.RFC3339) + " " + m.Author + " " + channel + " " + m.Body + "\n"))
 	}
 }
+
 // Simple link card structure
-type linkCard struct{
+type linkCard struct {
-    URL         string `json:"url"`
+	URL         string `json:"url"`
-    Title       string `json:"title"`
+	Title       string `json:"title"`
-    Description string `json:"description"`
+	Description string `json:"description"`
-    Image       string `json:"image"`
+	Image       string `json:"image"`
 }
 
 // handleLinkCard fetches basic OpenGraph/Twitter card metadata (best-effort) and returns a small card.
 func (s *Server) handleLinkCard(w http.ResponseWriter, r *http.Request) {
-    if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
+	if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
-        w.WriteHeader(http.StatusUnauthorized)
+		w.WriteHeader(http.StatusUnauthorized)
-        _, _ = w.Write([]byte("unauthorized"))
+		_, _ = w.Write([]byte("unauthorized"))
-        return
+		return
-    }
+	}
-    raw := r.URL.Query().Get("url")
+	raw := r.URL.Query().Get("url")
-    if raw == "" { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("missing url")); return }
+	if raw == "" {
-    u, err := url.Parse(raw)
+		w.WriteHeader(http.StatusBadRequest)
-    if err != nil || (u.Scheme != "http" && u.Scheme != "https") { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("bad url")); return }
+		_, _ = w.Write([]byte("missing url"))
-    // cache lookup
+		return
-    if s.cardCache == nil { s.cardCache = make(map[string]linkCard); s.cardCacheExp = make(map[string]time.Time) }
+	}
-    if exp, ok := s.cardCacheExp[raw]; ok && time.Now().Before(exp) {
+	u, err := url.Parse(raw)
-        w.Header().Set("Content-Type", "application/json")
+	if err != nil || (u.Scheme != "http" && u.Scheme != "https") {
-        _ = json.NewEncoder(w).Encode(s.cardCache[raw])
+		w.WriteHeader(http.StatusBadRequest)
-        return
+		_, _ = w.Write([]byte("bad url"))
-    }
+		return
-    // fetch minimal HTML and extract tags using a tolerant HTML parser
+	}
-    client := &http.Client{ Timeout: 10 * time.Second }
+	// cache lookup
-    req, _ := http.NewRequestWithContext(r.Context(), http.MethodGet, raw, nil)
+	if s.cardCache == nil {
-    resp, err := client.Do(req)
+		s.cardCache = make(map[string]linkCard)
-    if err != nil { w.WriteHeader(http.StatusBadGateway); _, _ = w.Write([]byte("fetch error")); return }
+		s.cardCacheExp = make(map[string]time.Time)
-    defer resp.Body.Close()
+	}
-    if resp.StatusCode < 200 || resp.StatusCode >= 300 { w.WriteHeader(http.StatusBadGateway); _, _ = w.Write([]byte("bad status")); return }
+	if exp, ok := s.cardCacheExp[raw]; ok && time.Now().Before(exp) {
-    // limit to 256KB and parse tokens
+		w.Header().Set("Content-Type", "application/json")
-    limited := http.MaxBytesReader(w, resp.Body, 262144)
+		_ = json.NewEncoder(w).Encode(s.cardCache[raw])
-    doc, err := xhtml.Parse(limited)
+		return
-    if err != nil { w.WriteHeader(http.StatusBadGateway); _, _ = w.Write([]byte("parse error")); return }
+	}
-    var title, desc, img string
+	// fetch minimal HTML and extract tags using a tolerant HTML parser
-    var walker func(*xhtml.Node)
+	client := &http.Client{Timeout: 10 * time.Second}
-    walker = func(n *xhtml.Node) {
+	req, _ := http.NewRequestWithContext(r.Context(), http.MethodGet, raw, nil)
-        if n.Type == xhtml.ElementNode && strings.EqualFold(n.Data, "meta") {
+	resp, err := client.Do(req)
-            // property or name + content
+	if err != nil {
-            var pn = ""; var nm = ""; var content = ""
+		w.WriteHeader(http.StatusBadGateway)
-            for _, a := range n.Attr { if strings.EqualFold(a.Key, "property") { pn = a.Val } else if strings.EqualFold(a.Key, "name") { nm = a.Val } else if strings.EqualFold(a.Key, "content") { content = a.Val } }
+		_, _ = w.Write([]byte("fetch error"))
-            key := strings.ToLower(pn)
+		return
-            if key == "" { key = strings.ToLower(nm) }
+	}
-            switch key {
+	defer resp.Body.Close()
-            case "og:title", "twitter:title": if title == "" { title = content }
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
-            case "og:description", "twitter:description": if desc == "" { desc = content }
+		w.WriteHeader(http.StatusBadGateway)
-            case "og:image", "twitter:image": if img == "" { img = content }
+		_, _ = w.Write([]byte("bad status"))
-            }
+		return
-        }
+	}
-        for c := n.FirstChild; c != nil; c = c.NextSibling { walker(c) }
+	// limit to 256KB and parse tokens
-    }
+	limited := http.MaxBytesReader(w, resp.Body, 262144)
-    walker(doc)
+	doc, err := xhtml.Parse(limited)
-    card := linkCard{ URL: raw, Title: strings.TrimSpace(title), Description: strings.TrimSpace(desc), Image: strings.TrimSpace(img) }
+	if err != nil {
-    // cache for 24h
+		w.WriteHeader(http.StatusBadGateway)
-    s.cardCache[raw] = card
+		_, _ = w.Write([]byte("parse error"))
-    s.cardCacheExp[raw] = time.Now().Add(24 * time.Hour)
+		return
-    w.Header().Set("Content-Type", "application/json")
+	}
-    _ = json.NewEncoder(w).Encode(card)
+	var title, desc, img string
+	var walker func(*xhtml.Node)
+	walker = func(n *xhtml.Node) {
+		if n.Type == xhtml.ElementNode && strings.EqualFold(n.Data, "meta") {
+			// property or name + content
+			var pn = ""
+			var nm = ""
+			var content = ""
+			for _, a := range n.Attr {
+				if strings.EqualFold(a.Key, "property") {
+					pn = a.Val
+				} else if strings.EqualFold(a.Key, "name") {
+					nm = a.Val
+				} else if strings.EqualFold(a.Key, "content") {
+					content = a.Val
+				}
+			}
+			key := strings.ToLower(pn)
+			if key == "" {
+				key = strings.ToLower(nm)
+			}
+			switch key {
+			case "og:title", "twitter:title":
+				if title == "" {
+					title = content
+				}
+			case "og:description", "twitter:description":
+				if desc == "" {
+					desc = content
+				}
+			case "og:image", "twitter:image":
+				if img == "" {
+					img = content
+				}
+			}
+		}
+		for c := n.FirstChild; c != nil; c = c.NextSibling {
+			walker(c)
+		}
+	}
+	walker(doc)
+	card := linkCard{URL: raw, Title: strings.TrimSpace(title), Description: strings.TrimSpace(desc), Image: strings.TrimSpace(img)}
+	// cache for 24h
+	s.cardCache[raw] = card
+	s.cardCacheExp[raw] = time.Now().Add(24 * time.Hour)
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(card)
+}
+
+// handleLinkSummary returns a brief AI summary for a given URL, cached for 24h.
+func (s *Server) handleLinkSummary(w http.ResponseWriter, r *http.Request) {
+	if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
+		w.WriteHeader(http.StatusUnauthorized)
+		_, _ = w.Write([]byte("unauthorized"))
+		return
+	}
+	raw := r.URL.Query().Get("url")
+	if raw == "" {
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = w.Write([]byte("missing url"))
+		return
+	}
+	if s.Summarizer == nil {
+		w.WriteHeader(http.StatusServiceUnavailable)
+		_, _ = w.Write([]byte("summarizer not configured"))
+		return
+	}
+	if s.summaryCache == nil { s.summaryCache = make(map[string]string) }
+	if s.summaryCacheExp == nil { s.summaryCacheExp = make(map[string]time.Time) }
+	if exp, ok := s.summaryCacheExp[raw]; ok && time.Now().Before(exp) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{"summary": s.summaryCache[raw]})
+		return
+	}
+	msgs := []store.Message{{Channel: "#links", Author: "link", Body: raw, Time: time.Now().UTC()}}
+	tout := s.SummarizerTimeout
+	if tout <= 0 { tout = 5 * time.Minute }
+	if tout > 2*time.Minute { tout = 2 * time.Minute }
+	ctx, cancel := context.WithTimeout(r.Context(), tout)
+	defer cancel()
+	sum, err := s.Summarizer.Summarize(ctx, "#links", msgs, 0)
+	if err != nil {
+		w.WriteHeader(http.StatusBadGateway)
+		_, _ = w.Write([]byte("summarizer error"))
+		return
+	}
+	if sum == "" { sum = "(no summary)" }
+	s.summaryCache[raw] = sum
+	s.summaryCacheExp[raw] = time.Now().Add(24 * time.Hour)
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(map[string]any{"summary": sum})
 }
 
 func (s *Server) handleMetrics(w http.ResponseWriter, r *http.Request) {
@@ -281,7 +382,7 @@ func (s *Server) handleMetrics(w http.ResponseWriter, r *http.Request) {
 
 // --- Web UI handlers ---
 
-func (s *Server) handleUI(w http.ResponseWriter, r *http.Request) {
+func (s *Server) handleUIDash(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path != "/" {
 		w.WriteHeader(http.StatusNotFound)
 		return
@@ -293,202 +394,121 @@ func (s *Server) handleUI(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 	}
-	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	s.render(w, "dashboard.tmpl", map[string]any{})
-	// Pico.css from CDN and a tiny app
-	page := `<!doctype html>
-<html>
-<head>
-  <meta charset="utf-8"/>
-  <meta name="viewport" content="width=device-width, initial-scale=1"/>
-  <title>sojuboy</title>
-  <link rel="stylesheet" href="https://unpkg.com/@picocss/pico@2/css/pico.min.css">
-  <style>
-    body { padding: 0; }
-    header.nav { position: sticky; top: 0; z-index: 10; padding: .6rem 1rem; border-bottom: 1px solid var(--muted-border-color); display: flex; justify-content: space-between; align-items: center; }
-    header.nav a.brand { text-decoration: none; font-weight: 600; }
-    main.container { display: grid; grid-template-columns: 220px 1fr; gap: 0; min-height: calc(100vh - 3rem); }
-    aside.sidebar { border-right: 1px solid var(--muted-border-color); padding: .75rem; overflow-y: auto; }
-    aside.sidebar a { display:block; padding:.25rem .5rem; border-radius:.25rem; text-decoration:none; }
-    aside.sidebar a.active { background: var(--muted-color); color: var(--contrast); }
-    section.chat { padding: .75rem 1rem; display:flex; flex-direction: column; height: calc(100vh - 3.5rem); }
-    #tail { flex: 1; overflow: auto; white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
-    .ts { opacity: .66; }
-    .msg { margin-bottom: .25rem; }
-    footer { text-align: center; font-size: .85rem; padding: .5rem 0; opacity: .7; }
-    @media (max-width: 900px) { main.container { grid-template-columns: 1fr; } aside.sidebar { display:none; } }
-  </style>
-  <script>
-    const st={ tailLoading:false, atBottom:true, current:'#', earliest:null, sse:null, channels:[] };
-    function setToken(v){ st.token=v; localStorage.setItem('token', v); }
-    async function api(path, params){
-      const url = new URL(path, window.location.origin);
-      if(params && params.query){ Object.entries(params.query).forEach(([k,v])=>url.searchParams.set(k,v)); }
-      const opts = { headers: {} };
-      // use cookie for auth; header optional if present
-      if(st.token){ opts.headers['Authorization'] = 'Bearer '+st.token; }
-      const res = await fetch(url, opts);
-      if(!res.ok){ throw new Error('HTTP '+res.status); }
-      return res.json();
-    }
-    async function loadInfo(){ /* no-op for now; footer shows version */ }
-    async function loadChannels(){
-      try{ const data = await api('/api/channels'); st.channels = data; renderChannels(); if(data.length>0){ selectChannel(data[0]); } }
-      catch(e){ console.error(e); }
-    }
-    function renderChannels(){ const list=document.getElementById('chanlist'); list.innerHTML=''; st.channels.forEach(c=>{ const a=document.createElement('a'); a.href='#'; a.textContent=c; a.onclick=(ev)=>{ev.preventDefault(); selectChannel(c)}; if(c===st.current) a.className='active'; list.appendChild(a); }); }
-    async function selectChannel(ch){ if(st.sse){ st.sse.close(); st.sse=null; } st.current=ch; renderChannels(); const el=document.getElementById('tail'); el.textContent=''; // bootstrap 50
-      const data = await api('/api/tail',{query:{channel:ch,limit:50}}); appendBatch(data); el.scrollTop = el.scrollHeight; st.atBottom=true; st.earliest = data.length? data[0].time : null; startStream(); initScrollHandlers(); }
-    function initScrollHandlers(){ const el=document.getElementById('tail'); el.onscroll=async ()=>{ st.atBottom = (el.scrollTop + el.clientHeight + 8) >= el.scrollHeight; if(el.scrollTop === 0 && st.earliest){ // load more
-          try{ const older = await api('/api/history',{query:{channel:st.current,before:st.earliest,limit:50}}); if(older.length){ const hBefore = el.scrollHeight; prependBatch(older); st.earliest = older[0].time; const hAfter = el.scrollHeight; el.scrollTop = hAfter - hBefore; } }
-          catch(e){}
-      } } }
-    function colorFor(nick){ let h=0; for(let i=0;i<nick.length;i++){ h=(h*31+nick.charCodeAt(i))>>>0 } return 'hsl('+(h%360)+',60%,'+(window.matchMedia('(prefers-color-scheme: dark)').matches? '70%':'35%')+')'; }
-    function lineHTML(m){ const ts = '<span class=ts>[' + m.time + ']</span>'; const nick = '<b style="color:' + colorFor(m.author) + '\">' + m.author + '</b>'; const body = escapeHtml(m.body); return ts + ' ' + nick + ': ' + linkify(body); }
-    function escapeHtml(s){ return s.replace(/[&<>"]/g, c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;'}[c])); }
-    function linkify(t){ return t.replace(/https?:\/\/\S+/g, function(u){ return '<a href="' + u + '" target="_blank" rel="noopener">' + u + '</a>'; }); }
-    function appendBatch(arr){ const el=document.getElementById('tail'); const frag=document.createDocumentFragment(); arr.forEach(m=>{ const div=document.createElement('div'); div.className='msg'; div.innerHTML=lineHTML(m); frag.appendChild(div); processLinks(div); }); el.appendChild(frag); if(st.atBottom){ el.scrollTop = el.scrollHeight; } }
-    function prependBatch(arr){ const el=document.getElementById('tail'); const oldTop=el.firstChild; const frag=document.createDocumentFragment(); arr.forEach(m=>{ const div=document.createElement('div'); div.className='msg'; div.innerHTML=lineHTML(m); frag.appendChild(div); processLinks(div); }); el.insertBefore(frag, el.firstChild); if(oldTop){ oldTop.scrollIntoView(); } }
-    function processLinks(scope){ const links = scope.querySelectorAll('a[href]:not([data-card])'); links.forEach(a=>{ a.setAttribute('data-card','1'); fetch('/api/linkcard?url='+encodeURIComponent(a.href)).then(r=>r.json()).then(card=>{ if(!card) return; if(card.title||card.description||card.image){ const c=document.createElement('div'); c.className='card'; var html=''; if(card.image){ html += '<div><img src="'+card.image+'" alt="" style="max-width:160px;max-height:120px;object-fit:cover;border-radius:.25rem"></div>'; } html += '<div style="flex:1;margin-left:.5rem">'; if(card.title){ html += '<div style="font-weight:600">'+escapeHtml(card.title)+'</div>'; } if(card.description){ html += '<div style="opacity:.8">'+escapeHtml(card.description)+'</div>'; } html += '</div>'; c.innerHTML = '<div style="display:flex;align-items:flex-start;gap:.5rem">'+html+'</div>'; a.parentNode.insertBefore(c, a.nextSibling); } }).catch(()=>{}); }); }
-    function startStream(){ const url=new URL('/api/stream', window.location.origin); url.searchParams.set('channel', st.current); const es=new EventSource(url); st.sse=es; es.onmessage=(ev)=>{ try{ const m=JSON.parse(ev.data); appendBatch([m]); }catch(e){} }; es.onerror=()=>{ es.close(); st.sse=null; setTimeout(startStream, 3000); } }
-    async function doSumm(){
-      const ch = document.getElementById('channel').value;
-      const win = document.getElementById('window').value || '6h';
-      const push = document.getElementById('push').checked ? '1' : '0';
-      const btn = document.getElementById('summBtn');
-      const prog = document.getElementById('summProg');
-      btn.disabled = true; prog.style.display = 'inline-block';
-      try{ const data = await api('/api/trigger',{query:{channel:ch,window:win,push:push}});
-        const el = document.getElementById('summary');
-        el.textContent = data.summary || '(empty)';
-        el.scrollTop = el.scrollHeight;
-      }catch(e){ document.getElementById('summary').textContent = 'error: '+e; }
-      btn.disabled = false; prog.style.display = 'none';
-    }
-    window.addEventListener('DOMContentLoaded', ()=>{ loadChannels(); });
-    function onFollowToggle(cb){
-      if(cb.checked){
-        if(st.tailTimer) clearInterval(st.tailTimer);
-        st.tailTimer = setInterval(doTail, 3000);
-      }else{
-        if(st.tailTimer) { clearInterval(st.tailTimer); st.tailTimer=null; }
-      }
-    }
-    function onChannelChange(){ doTail(); }
-  </script>
-</head>
-<body>
-  <header class="nav">
-    <div><a class="brand" href="/">sojuboy</a></div>
-    <nav>
-      <ul>
-        <li><a href="/summarizer">Summarizer</a></li>
-        <li><a href="/logout">Logout</a></li>
-      </ul>
-    </nav>
-  </header>
-  <main class="container">
-    <aside class="sidebar">
-      <nav id="chanlist"></nav>
-    </aside>
-    <section class="chat">
-      <div id="tail" style="height: calc(100vh - 4.5rem); overflow:auto"></div>
-    </section>
-  </main>
-  <footer>
-    <small>` + s.Version + ` (` + s.Commit + `)</small>
-  </footer>
-</body>
-</html>`
-	_, _ = w.Write([]byte(page))
 }
 
-func (s *Server) handleSummarizerUI(w http.ResponseWriter, r *http.Request) {
+func (s *Server) handleUISummarizer(w http.ResponseWriter, r *http.Request) {
 	if s.AuthToken != "" {
 		if c, err := r.Cookie("auth_token"); err != nil || c.Value != s.AuthToken {
 			http.Redirect(w, r, "/login", http.StatusFound)
 			return
 		}
 	}
-	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	s.render(w, "summarizer.tmpl", map[string]any{})
-	page := `<!doctype html><html><head><meta charset="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1"/><title>Summarizer · sojuboy</title><link rel="stylesheet" href="https://unpkg.com/@picocss/pico@2/css/pico.min.css"><style>body{padding:0} header.nav{position:sticky;top:0;z-index:10;padding:.6rem 1rem;border-bottom:1px solid var(--muted-border-color);display:flex;justify-content:space-between;align-items:center} header.nav a.brand{text-decoration:none;font-weight:600} main{max-width:900px;margin:0 auto;padding:1rem} #out{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere} footer{text-align:center;font-size:.85rem;padding:.5rem 0;opacity:.7}</style><script>async function api(path,params){const url=new URL(path,window.location.origin);if(params&&params.query){Object.entries(params.query).forEach(([k,v])=>url.searchParams.set(k,v));}const res=await fetch(url);if(!res.ok) throw new Error('HTTP '+res.status);return res.text();}async function summarize(){const ch=document.getElementById('channel').value;const win=document.getElementById('window').value||'6h';const push=document.getElementById('push').checked?'1':'0';const btn=document.getElementById('btn');const out=document.getElementById('out');btn.disabled=true;out.textContent='';try{const txt=await api('/trigger',{query:{channel:ch,window:win,push:push}});out.textContent=txt;}catch(e){out.textContent='error: '+e;}btn.disabled=false;}</script></head><body><header class="nav"><div><a class="brand" href="/">sojuboy</a></div><nav><ul><li><a href="/summarizer" aria-current="page">Summarizer</a></li><li><a href="/logout">Logout</a></li></ul></nav></header><main><article><h3>On-demand summarization</h3><label>Channel<select id="channel"></select></label><label>Window<input id="window" value="6h"></label><label><input type="checkbox" id="push"> Send via Pushover</label><button id="btn" onclick="summarize()">Summarize</button><pre id="out"></pre></article></main><footer><small>` + s.Version + ` (` + s.Commit + `)</small></footer><script>(async()=>{try{const res=await fetch('/api/channels');const arr=await res.json();const sel=document.getElementById('channel');arr.forEach(c=>{const o=document.createElement('option');o.value=c;o.textContent=c;sel.appendChild(o);});}catch(e){}})();</script></body></html>`
-	_, _ = w.Write([]byte(page))
 }
 
 func (s *Server) handleInfo(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	resp := map[string]any{
-		"version": s.Version,
+		"version":   s.Version,
-		"commit": s.Commit,
+		"commit":    s.Commit,
-		"builtAt": s.BuiltAt,
+		"builtAt":   s.BuiltAt,
 		"startedAt": s.StartedAt.Format(time.RFC3339),
-		"uptime": time.Since(s.StartedAt).Round(time.Second).String(),
+		"uptime":    time.Since(s.StartedAt).Round(time.Second).String(),
-		"messagesIngested": func() int64 { if s.Metrics==nil {return 0}; return atomic.LoadInt64(&s.Metrics.MessagesIngested) }(),
+		"messagesIngested": func() int64 {
-		"notificationsSent": func() int64 { if s.Metrics==nil {return 0}; return atomic.LoadInt64(&s.Metrics.NotificationsSent) }(),
+			if s.Metrics == nil {
-		"messagesPruned": func() int64 { if s.Metrics==nil {return 0}; return atomic.LoadInt64(&s.Metrics.MessagesPruned) }(),
+				return 0
-		"connected": func() bool { if s.Metrics==nil {return false}; return atomic.LoadInt64(&s.Metrics.ConnectedGauge)==1 }(),
+			}
+			return atomic.LoadInt64(&s.Metrics.MessagesIngested)
+		}(),
+		"notificationsSent": func() int64 {
+			if s.Metrics == nil {
+				return 0
+			}
+			return atomic.LoadInt64(&s.Metrics.NotificationsSent)
+		}(),
+		"messagesPruned": func() int64 {
+			if s.Metrics == nil {
+				return 0
+			}
+			return atomic.LoadInt64(&s.Metrics.MessagesPruned)
+		}(),
+		"connected": func() bool {
+			if s.Metrics == nil {
+				return false
+			}
+			return atomic.LoadInt64(&s.Metrics.ConnectedGauge) == 1
+		}(),
 	}
 	_ = json.NewEncoder(w).Encode(resp)
 }
 
-// Summarizer simple page placeholder (will reuse existing summarizer flow)
-// removed duplicate handleSummarizerUI definition (consolidated earlier)
-
 // SSE stream of new messages for a channel
 func (s *Server) handleStream(w http.ResponseWriter, r *http.Request) {
-    if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
+	if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
-        w.WriteHeader(http.StatusUnauthorized)
+		w.WriteHeader(http.StatusUnauthorized)
-        _, _ = w.Write([]byte("unauthorized"))
+		_, _ = w.Write([]byte("unauthorized"))
-        return
+		return
-    }
+	}
-    ch := strings.TrimSpace(r.URL.Query().Get("channel"))
+	ch := strings.TrimSpace(r.URL.Query().Get("channel"))
-    if ch == "" { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("missing channel")); return }
+	if ch == "" {
-    key := strings.ToLower(ch)
+		w.WriteHeader(http.StatusBadRequest)
-    w.Header().Set("Content-Type", "text/event-stream")
+		_, _ = w.Write([]byte("missing channel"))
-    w.Header().Set("Cache-Control", "no-cache")
+		return
-    w.Header().Set("Connection", "keep-alive")
+	}
-    flusher, ok := w.(http.Flusher)
+	key := strings.ToLower(ch) // Normalize channel name to lowercase
-    if !ok { w.WriteHeader(http.StatusInternalServerError); return }
 
-    // register subscriber
+	w.Header().Set("Content-Type", "text/event-stream")
-    if s.subs == nil { s.subs = make(map[string][]chan store.Message) }
+	w.Header().Set("Cache-Control", "no-cache")
-    sub := make(chan store.Message, 64)
+	w.Header().Set("Connection", "keep-alive")
-    s.subsMu.Lock()
+	flusher, ok := w.(http.Flusher)
-    s.subs[key] = append(s.subs[key], sub)
+	if !ok {
-    s.subsMu.Unlock()
+		w.WriteHeader(http.StatusInternalServerError)
-    defer func(){
+		return
-        s.subsMu.Lock()
+	}
-        subs := s.subs[key]
-        for i := range subs {
-            if subs[i] == sub {
-                s.subs[key] = append(subs[:i], subs[i+1:]...)
-                break
-            }
-        }
-        s.subsMu.Unlock()
-        close(sub)
-    }()
 
-    hb := time.NewTicker(15 * time.Second)
+	// register subscriber
-    defer hb.Stop()
+	if s.subs == nil {
-    ctx := r.Context()
+		s.subs = make(map[string][]chan store.Message)
-    for {
+	}
-        select {
+	sub := make(chan store.Message, 64)
-        case <-ctx.Done():
+	s.subsMu.Lock()
-            return
+	s.subs[key] = append(s.subs[key], sub)
-        case m := <-sub:
+	s.subsMu.Unlock()
-            b, _ := json.Marshal(map[string]any{
+	defer func() {
-                "time": m.Time.UTC().Format(time.RFC3339),
+		s.subsMu.Lock()
-                "author": m.Author,
+		subs := s.subs[key]
-                "body": m.Body,
+		for i := range subs {
-                "channel": m.Channel,
+			if subs[i] == sub {
-            })
+				s.subs[key] = append(subs[:i], subs[i+1:]...)
-            _, _ = fmt.Fprintf(w, "data: %s\n\n", b)
+				break
-            flusher.Flush()
+			}
-        case <-hb.C:
+		}
-            _, _ = fmt.Fprintf(w, ": ping\n\n")
+		s.subsMu.Unlock()
-            flusher.Flush()
+		close(sub)
-        }
+	}()
-    }
+
+	hb := time.NewTicker(15 * time.Second) // SSE heartbeat
+	defer hb.Stop()
+	ctx := r.Context()
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case m := <-sub:
+			b, _ := json.Marshal(map[string]any{
+				"time":    m.Time.UTC().Format(time.RFC3339),
+				"author":  m.Author,
+				"body":    m.Body,
+				"channel": m.Channel,
+			})
+			_, _ = fmt.Fprintf(w, "data: %s\n\n", b)
+			flusher.Flush()
+		case <-hb.C:
+			_, _ = fmt.Fprintf(w, ": ping\n\n")
+			flusher.Flush()
+		}
+	}
 }
 
 func (s *Server) handleChannels(w http.ResponseWriter, r *http.Request) {
@@ -517,14 +537,30 @@ func (s *Server) handleTailJSON(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	channel := r.URL.Query().Get("channel")
-	if channel == "" { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("missing channel")); return }
+	if channel == "" {
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = w.Write([]byte("missing channel"))
+		return
+	}
 	limit := getIntQuery(r, "limit", 100)
 	msgs, err := s.Store.ListRecentMessages(r.Context(), channel, limit)
-	if err != nil { w.WriteHeader(http.StatusInternalServerError); _, _ = w.Write([]byte("store error")); return }
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		_, _ = w.Write([]byte("store error"))
+		return
+	}
 	w.Header().Set("Content-Type", "application/json")
-	type outMsg struct{ Time string `json:"time"`; Author string `json:"author"`; Body string `json:"body"`; Channel string `json:"channel"` }
+	type outMsg struct {
+		Time    string `json:"time"`
+		Author  string `json:"author"`
+		Body    string `json:"body"`
+		Channel string `json:"channel"`
+	}
 	arr := make([]outMsg, 0, len(msgs))
-	for i := len(msgs)-1; i>=0; i-- { m := msgs[i]; arr = append(arr, outMsg{Time: m.Time.UTC().Format(time.RFC3339), Author: m.Author, Body: m.Body, Channel: channel}) }
+	for i := len(msgs) - 1; i >= 0; i-- {
+		m := msgs[i]
+		arr = append(arr, outMsg{Time: m.Time.UTC().Format(time.RFC3339), Author: m.Author, Body: m.Body, Channel: channel})
+	}
 	_ = json.NewEncoder(w).Encode(arr)
 }
 
@@ -535,43 +571,95 @@ func (s *Server) handleTriggerJSON(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	channel := r.URL.Query().Get("channel")
-	if channel == "" { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("missing channel")); return }
+	if channel == "" {
-	win := r.URL.Query().Get("window"); if win=="" { win = "6h" }
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = w.Write([]byte("missing channel"))
+		return
+	}
+	win := r.URL.Query().Get("window")
+	if win == "" {
+		win = "6h"
+	}
 	push := r.URL.Query().Get("push") == "1"
 	dur, err := time.ParseDuration(win)
-	if err != nil { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("bad window")); return }
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = w.Write([]byte("bad window"))
+		return
+	}
 	msgs, err := s.Store.ListMessagesSince(r.Context(), channel, time.Now().Add(-dur))
-	if err != nil { w.WriteHeader(http.StatusInternalServerError); _, _ = w.Write([]byte("store error")); return }
+	if err != nil {
-	if s.Summarizer == nil { w.WriteHeader(http.StatusServiceUnavailable); _, _ = w.Write([]byte("summarizer not configured")); return }
+		w.WriteHeader(http.StatusInternalServerError)
-	tout := s.SummarizerTimeout; if tout<=0 { tout = 5*time.Minute }
+		_, _ = w.Write([]byte("store error"))
-	ctx, cancel := context.WithTimeout(r.Context(), tout); defer cancel()
+		return
+	}
+	if s.Summarizer == nil {
+		w.WriteHeader(http.StatusServiceUnavailable)
+		_, _ = w.Write([]byte("summarizer not configured"))
+		return
+	}
+	tout := s.SummarizerTimeout
+	if tout <= 0 {
+		tout = 5 * time.Minute
+	}
+	ctx, cancel := context.WithTimeout(r.Context(), tout)
+	defer cancel()
 	sum, err := s.Summarizer.Summarize(ctx, channel, msgs, dur)
-	if err != nil { w.WriteHeader(http.StatusBadGateway); _, _ = w.Write([]byte("summarizer error")); return }
+	if err != nil {
-	if push && s.Notifier != nil { title := fmt.Sprintf("IRC digest %s (%s)", channel, dur); _ = s.Notifier.Notify(r.Context(), title, sum); if s.Metrics != nil { atomic.AddInt64(&s.Metrics.NotificationsSent, 1) } }
+		w.WriteHeader(http.StatusBadGateway)
+		_, _ = w.Write([]byte("summarizer error"))
+		return
+	}
+	if push && s.Notifier != nil {
+		title := fmt.Sprintf("IRC digest %s (%s)", channel, dur)
+		_ = s.Notifier.Notify(r.Context(), title, sum)
+		if s.Metrics != nil {
+			atomic.AddInt64(&s.Metrics.NotificationsSent, 1)
+		}
+	}
 	w.Header().Set("Content-Type", "application/json")
 	_ = json.NewEncoder(w).Encode(map[string]any{"summary": sum})
 }
 
 // history paging
 func (s *Server) handleHistory(w http.ResponseWriter, r *http.Request) {
-    if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
+	if s.AuthToken != "" && !checkAuth(r, s.AuthToken) {
-        w.WriteHeader(http.StatusUnauthorized)
+		w.WriteHeader(http.StatusUnauthorized)
-        _, _ = w.Write([]byte("unauthorized"))
+		_, _ = w.Write([]byte("unauthorized"))
-        return
+		return
-    }
+	}
-    channel := r.URL.Query().Get("channel")
+	channel := r.URL.Query().Get("channel")
-    beforeStr := r.URL.Query().Get("before")
+	beforeStr := r.URL.Query().Get("before")
-    if channel == "" || beforeStr == "" { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("missing params")); return }
+	if channel == "" || beforeStr == "" {
-    t, err := time.Parse(time.RFC3339, beforeStr)
+		w.WriteHeader(http.StatusBadRequest)
-    if err != nil { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("bad before")); return }
+		_, _ = w.Write([]byte("missing params"))
-    limit := getIntQuery(r, "limit", 50)
+		return
-    msgs, err := s.Store.ListMessagesBefore(r.Context(), channel, t, limit)
+	}
-    if err != nil { w.WriteHeader(http.StatusInternalServerError); _, _ = w.Write([]byte("store error")); return }
+	t, err := time.Parse(time.RFC3339, beforeStr)
-    w.Header().Set("Content-Type", "application/json")
+	if err != nil {
-    type outMsg struct{ Time string `json:"time"`; Author string `json:"author"`; Body string `json:"body"`; Channel string `json:"channel"` }
+		w.WriteHeader(http.StatusBadRequest)
-    arr := make([]outMsg, 0, len(msgs))
+		_, _ = w.Write([]byte("bad before"))
-    for _, m := range msgs { arr = append(arr, outMsg{Time: m.Time.UTC().Format(time.RFC3339), Author: m.Author, Body: m.Body, Channel: m.Channel}) }
+		return
-    _ = json.NewEncoder(w).Encode(arr)
+	}
+	limit := getIntQuery(r, "limit", 50)
+	msgs, err := s.Store.ListMessagesBefore(r.Context(), channel, t, limit)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		_, _ = w.Write([]byte("store error"))
+		return
+	}
+	w.Header().Set("Content-Type", "application/json")
+	type outMsg struct {
+		Time    string `json:"time"`
+		Author  string `json:"author"`
+		Body    string `json:"body"`
+		Channel string `json:"channel"`
+	}
+	arr := make([]outMsg, 0, len(msgs))
+	for _, m := range msgs {
+		arr = append(arr, outMsg{Time: m.Time.UTC().Format(time.RFC3339), Author: m.Author, Body: m.Body, Channel: m.Channel})
+	}
+	_ = json.NewEncoder(w).Encode(arr)
 }
 
 func checkAuth(r *http.Request, token string) bool {
@@ -647,7 +735,11 @@ func (s *Server) handleLogin(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleAuth(w http.ResponseWriter, r *http.Request) {
-	if err := r.ParseForm(); err != nil { w.WriteHeader(http.StatusBadRequest); _, _ = w.Write([]byte("bad request")); return }
+	if err := r.ParseForm(); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = w.Write([]byte("bad request"))
+		return
+	}
 	tok := r.Form.Get("token")
 	if tok == "" || s.AuthToken == "" || tok != s.AuthToken {
 		w.WriteHeader(http.StatusUnauthorized)
@@ -657,12 +749,33 @@ func (s *Server) handleAuth(w http.ResponseWriter, r *http.Request) {
 	// set cookie for 7 days
 	maxAge := 7 * 24 * 60 * 60
 	secure := r.TLS != nil || strings.EqualFold(r.Header.Get("X-Forwarded-Proto"), "https")
-	http.SetCookie(w, &http.Cookie{Name:"auth_token", Value:tok, Path:"/", MaxAge:maxAge, HttpOnly:true, Secure:secure, SameSite:http.SameSiteLaxMode})
+	http.SetCookie(w, &http.Cookie{Name: "auth_token", Value: tok, Path: "/", MaxAge: maxAge, HttpOnly: true, Secure: secure, SameSite: http.SameSiteLaxMode})
 	w.Header().Set("Location", "/")
 	w.WriteHeader(http.StatusFound)
 }
 
 func (s *Server) handleLogout(w http.ResponseWriter, r *http.Request) {
-	http.SetCookie(w, &http.Cookie{Name:"auth_token", Value:"", Path:"/", MaxAge:-1})
+	http.SetCookie(w, &http.Cookie{Name: "auth_token", Value: "", Path: "/", MaxAge: -1})
 	http.Redirect(w, r, "/login", http.StatusFound)
 }
+
+// Broadcast sends a message to all SSE subscribers for a given channel.
+func (s *Server) Broadcast(channel string, m store.Message) {
+	key := strings.ToLower(strings.TrimSpace(channel))
+	if key == "" {
+		return
+	}
+	s.subsMu.RLock()
+	subs := s.subs[key]
+	s.subsMu.RUnlock()
+	for _, sub := range subs {
+		select {
+		case sub <- m:
+			// ok
+		default:
+			if s.Logger != nil {
+				s.Logger.Warn("sse subscriber buffer full, dropping message", "channel", key)
+			}
+		}
+	}
+}

internal/httpapi/static/app.css

@@ -0,0 +1,13 @@
+body { padding: 0; }
+header.nav { position: sticky; top: 0; z-index: 10; padding: .6rem 1rem; border-bottom: 1px solid var(--muted-border-color); display: flex; justify-content: space-between; align-items: center; }
+header.nav a.brand { text-decoration: none; font-weight: 600; }
+main.container { display: grid; grid-template-columns: 220px 1fr; gap: 0; min-height: calc(100vh - 3rem); }
+aside.sidebar { border-right: 1px solid var(--muted-border-color); padding: .75rem; overflow-y: auto; }
+aside.sidebar a { display:block; padding:.25rem .5rem; border-radius:.25rem; text-decoration:none; }
+aside.sidebar a.active { background: var(--muted-color); color: var(--contrast); }
+section.chat { padding: .75rem 1rem; display:flex; flex-direction: column; height: calc(100vh - 3.5rem); }
+#tail { flex: 1; overflow: auto; white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; height: calc(100vh - 4.5rem); }
+.ts { opacity: .66; }
+.msg { margin-bottom: .25rem; }
+footer { text-align: center; font-size: .85rem; padding: .5rem 0; opacity: .7; }
+@media (max-width: 900px) { main.container { grid-template-columns: 1fr; } aside.sidebar { display:none; } }

internal/httpapi/static/app.js

@@ -0,0 +1,39 @@
+// Shared state
+const st = { tailLoading: false, atBottom: true, current: '#', earliest: null, sse: null, channels: [] };
+
+function colorFor(nick){ let h=0; for(let i=0;i<nick.length;i++){ h=(h*31+nick.charCodeAt(i))>>>0 } return 'hsl('+(h%360)+',60%,'+(window.matchMedia('(prefers-color-scheme: dark)').matches? '70%':'35%')+')'; }
+function escapeHtml(s){ return s.replace(/[&<>"]/g, c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;'}[c])); }
+function linkify(t){ return t.replace(/https?:\/\/\S+/g, function(u){ return '<a href="' + u + '" target="_blank" rel="noopener">' + u + '</a>'; }); }
+function lineHTML(m){ const ts = '<span class=ts>[' + m.time + ']</span>'; const nick = '<b style="color:' + colorFor(m.author) + '">' + m.author + '</b>'; const body = escapeHtml(m.body); return ts + ' ' + nick + ': ' + linkify(body); }
+
+async function api(path, params){
+  const url = new URL(path, window.location.origin);
+  if(params && params.query){ Object.entries(params.query).forEach(([k,v])=>url.searchParams.set(k,v)); }
+  const res = await fetch(url);
+  if(!res.ok) throw new Error('HTTP '+res.status);
+  const ct = res.headers.get('content-type')||'';
+  if(ct.includes('application/json')) return res.json();
+  return res.text();
+}
+
+function appendBatch(arr){ const el=document.getElementById('tail'); const frag=document.createDocumentFragment(); arr.forEach(m=>{ const div=document.createElement('div'); div.className='msg'; div.innerHTML=lineHTML(m); frag.appendChild(div); processLinks(div); }); el.appendChild(frag); if(st.atBottom){ el.scrollTop = el.scrollHeight; } }
+function prependBatch(arr){ const el=document.getElementById('tail'); const oldTop=el.firstChild; const frag=document.createDocumentFragment(); arr.forEach(m=>{ const div=document.createElement('div'); div.className='msg'; div.innerHTML=lineHTML(m); frag.appendChild(div); processLinks(div); }); el.insertBefore(frag, el.firstChild); if(oldTop){ oldTop.scrollIntoView(); } }
+
+function processLinks(scope){ const links = scope.querySelectorAll('a[href]:not([data-card])'); links.forEach(a=>{ a.setAttribute('data-card','1'); fetch('/api/linkcard?url='+encodeURIComponent(a.href)).then(r=>r.json()).then(card=>{ if(!card) return; if(card.title||card.description||card.image){ const c=document.createElement('div'); c.className='card'; var html=''; if(card.image){ html += '<div><img src="'+card.image+'" alt="" style="max-width:160px;max-height:120px;object-fit:cover;border-radius:.25rem"></div>'; } html += '<div style="flex:1;margin-left:.5rem">'; if(card.title){ html += '<div style="font-weight:600">'+escapeHtml(card.title)+'</div>'; } if(card.description){ html += '<div style="opacity:.8">'+escapeHtml(card.description)+'</div>'; } html += '</div>'; c.innerHTML = '<div style="display:flex;align-items:flex-start;gap:.5rem">'+html+'</div>'; a.parentNode.insertBefore(c, a.nextSibling); } }).catch(()=>{}); }); }
+
+async function loadChannels(){ try{ const data = await api('/api/channels'); st.channels = data; renderChannels(); if(data.length>0){ selectChannel(data[0]); } } catch(e){} }
+function renderChannels(){ const list=document.getElementById('chanlist'); if(!list) return; list.innerHTML=''; st.channels.forEach(c=>{ const a=document.createElement('a'); a.href='#'; a.textContent=c; a.onclick=(ev)=>{ev.preventDefault(); selectChannel(c)}; if(c===st.current) a.className='active'; list.appendChild(a); }); }
+
+async function selectChannel(ch){ if(st.sse){ st.sse.close(); st.sse=null; } st.current=ch; renderChannels(); const el=document.getElementById('tail'); if(!el) return; el.textContent=''; const data = await api('/api/tail',{query:{channel:ch,limit:50}}); appendBatch(data); el.scrollTop = el.scrollHeight; st.atBottom=true; st.earliest = data.length? data[0].time : null; startStream(); initScrollHandlers(); }
+function initScrollHandlers(){ const el=document.getElementById('tail'); if(!el) return; el.onscroll=async ()=>{ st.atBottom = (el.scrollTop + el.clientHeight + 8) >= el.scrollHeight; if(el.scrollTop === 0 && st.earliest){ try{ const older = await api('/api/history',{query:{channel:st.current,before:st.earliest,limit:50}}); if(older.length){ const hBefore = el.scrollHeight; prependBatch(older); st.earliest = older[0].time; const hAfter = el.scrollHeight; el.scrollTop = hAfter - hBefore; } } catch(e){} } } }
+
+function startStream(){ const el=document.getElementById('tail'); if(!el) return; const url=new URL('/api/stream', window.location.origin); url.searchParams.set('channel', st.current); const es=new EventSource(url); st.sse=es; es.onmessage=(ev)=>{ try{ const m=JSON.parse(ev.data); appendBatch([m]); }catch(e){} }; es.onerror=()=>{ es.close(); st.sse=null; setTimeout(startStream, 3000); } }
+
+async function summarize(){ const ch=document.getElementById('channel'); const win=document.getElementById('window'); const push=document.getElementById('push'); const btn=document.getElementById('btn'); const out=document.getElementById('out'); if(!ch||!win||!btn||!out) return; btn.disabled=true; out.textContent=''; try{ const data = await api('/api/trigger',{query:{channel:ch.value,window:win.value||'6h',push:push && push.checked? '1':'0'}}); if(typeof data === 'string'){ out.textContent = data; } else { out.textContent = (data.summary||''); } } catch(e){ out.textContent = 'error: '+e; } btn.disabled=false; }
+
+window.addEventListener('DOMContentLoaded', ()=>{
+  if(document.getElementById('chanlist')){ loadChannels(); }
+  if(document.getElementById('channel')){
+    fetch('/api/channels').then(r=>r.json()).then(arr=>{ const sel=document.getElementById('channel'); arr.forEach(c=>{ const o=document.createElement('option'); o.value=c; o.textContent=c; sel.appendChild(o); }); }).catch(()=>{});
+  }
+});

internal/httpapi/templates.go

@@ -0,0 +1,47 @@
+package httpapi
+
+import (
+	"embed"
+	"html/template"
+	"net/http"
+	"path"
+	"strings"
+	"sync"
+)
+
+//go:embed templates/*.tmpl
+var uiFS embed.FS
+
+//go:embed static/*
+var staticFS embed.FS
+
+var (
+	tplOnce sync.Once
+	tpl     *template.Template
+)
+
+func (s *Server) parseTemplatesOnce() {
+	tplOnce.Do(func() {
+		// Parse all templates under templates/
+		t := template.New("base").Funcs(template.FuncMap{})
+		t = template.Must(t.ParseFS(uiFS, "templates/*.tmpl"))
+		tpl = t
+	})
+}
+
+func (s *Server) render(w http.ResponseWriter, name string, data map[string]any) {
+	s.parseTemplatesOnce()
+	if data == nil {
+		data = map[string]any{}
+	}
+	data["Version"] = s.Version
+	data["Commit"] = s.Commit
+	base := strings.TrimSuffix(path.Base(name), path.Ext(name))
+	if base == "dashboard" {
+		data["Title"] = "sojuboy"
+	} else {
+		data["Title"] = strings.Title(base)
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	_ = tpl.ExecuteTemplate(w, name, data)
+}

internal/httpapi/templates/dashboard.tmpl

@@ -0,0 +1,12 @@
+{{ define "content" }}
+<main class="container">
+  <aside class="sidebar">
+    <nav id="chanlist"></nav>
+  </aside>
+  <section class="chat">
+    <div id="tail"></div>
+  </section>
+</main>
+{{ end }}
+{{ template "layout.tmpl" . }}
+

internal/httpapi/templates/layout.tmpl

@@ -0,0 +1,27 @@
+{{ define "layout.tmpl" }}
+<!doctype html>
+<html>
+<head>
+  <meta charset="utf-8"/>
+  <meta name="viewport" content="width=device-width, initial-scale=1"/>
+  <title>{{ .Title }} · sojuboy</title>
+  <link rel="stylesheet" href="https://unpkg.com/@picocss/pico@2/css/pico.min.css">
+  <link rel="stylesheet" href="/static/app.css">
+  <script defer src="/static/app.js"></script>
+</head>
+<body>
+  <header class="nav">
+    <div><a class="brand" href="/">sojuboy</a></div>
+    <nav>
+      <ul>
+        <li><a href="/summarizer">Summarizer</a></li>
+        <li><a href="/logout">Logout</a></li>
+      </ul>
+    </nav>
+  </header>
+  {{ block "content" . }}{{ end }}
+  <footer><small>{{ .Version }} ({{ .Commit }})</small></footer>
+</body>
+</html>
+{{ end }}
+

internal/httpapi/templates/summarizer.tmpl

@@ -0,0 +1,14 @@
+{{ define "content" }}
+<main class="container">
+  <article>
+    <h3>On-demand summarization</h3>
+    <label>Channel<select id="channel"></select></label>
+    <label>Window<input id="window" value="6h"></label>
+    <label><input type="checkbox" id="push"> Send via Pushover</label>
+    <button id="btn" onclick="summarize()">Summarize</button>
+    <pre id="out"></pre>
+  </article>
+</main>
+{{ end }}
+{{ template "layout.tmpl" . }}
+