From 6af92c121798e19a12a4d65b87a337f4b3299906 Mon Sep 17 00:00:00 2001
From: reverse <mike.chevronnet@gmail.com>
Date: Thu, 30 Jul 2026 01:27:39 +0000
Subject: [PATCH] karma-web: online status, user counts, join links,
 rising/chart/most-debated/milestones/reasons, filter+sort, expandable
 history, OG tags, JSON API

---
 README.md                |  33 ++-
 src/bin/karma-web.rs     |  24 +-
 src/bot/mod.rs           |  54 +++-
 src/bot/modules/karma.rs |  20 +-
 src/config.rs            |   6 +
 src/karma_web.rs         | 559 +++++++++++++++++++++++++++++++++++++--
 tests/karma_web.rs       | 119 ++++++---
 7 files changed, 714 insertions(+), 101 deletions(-)

diff --git a/README.md b/README.md
index 47cf5d3..4c60a63 100644
--- a/README.md
+++ b/README.md
@@ -79,17 +79,24 @@ lists them at runtime and `help <command>` describes one.
 
 ## Karma web page
 
-The live karma board is published at **<https://karma.devtronic.pro>** — a hero
-with live stats, a top-3 podium, a ranked ledger with per-thing trend
-sparklines, a recent-activity feed, and a top-givers board. Each network's board
-shows where its karma comes from — server, channels, and each channel's IRC
-topic (e.g. `#argentina`). A second binary, `karma-web`, reads the per-network
-`karma.*.json` totals, the append-only `karma.*.events.jsonl` history the bot
-writes on every bump, and a `karma.*.meta.json` source sidecar (server +
-channels + topics, which the bot refreshes as it joins and as topics change),
-and renders one self-contained HTML page (no CSS/JS/font dependencies,
-all IRC-supplied text HTML-escaped). A systemd timer regenerates it every minute
-and nginx serves it over TLS.
+The live karma board is published at **<https://karma.devtronic.pro>**. It has a
+hero with live stats, a top-3 podium, a ranked ledger (filter + sort, click a
+row to expand its full history), per-thing trend sparklines, a "rising this
+week" strip, a karma-over-time chart, a recent-activity feed, top givers, most
+debated, and a milestones timeline. Each network's board shows where its karma
+comes from — an online/offline dot, server, joinable channel links, live user
+counts, and each channel's IRC topic (URLs linkified). The page carries Open
+Graph tags for rich link previews, and the same data is exposed as JSON at
+`/karma.json`.
+
+A second binary, `karma-web`, reads the per-network `karma.*.json` totals, the
+append-only `karma.*.events.jsonl` history the bot writes on every bump, and a
+`karma.*.meta.json` source sidecar (server, webchat base, a liveness heartbeat,
+and per-channel topic + user count, which the bot refreshes as it joins, on
+topic/NAMES changes, and on each server PING). It renders one self-contained
+HTML page (no CSS/JS/font dependencies, all IRC-supplied text HTML-escaped) plus
+`karma.json`. A systemd timer regenerates them every minute and nginx serves
+over TLS.
 
 ```sh
 cargo build --release --bin karma-web
@@ -127,7 +134,9 @@ RUSTBOT_CONFIG=/etc/rustbot.conf cargo run
 Config file keys: `server`, `port`, `tls`, `nick`, `user`, `realname`,
 `channels` (comma/space-separated), `prefix`, `verbose` (wire logging, default
 on), `password`, `sasl_user`, `sasl_pass`, `name` (a network's log label), and
-`locale` (`en`/`es`/`fr`, default `en`), and `karma_url` (public web board —
+`locale` (`en`/`es`/`fr`, default `en`), `webchat` (per-network webchat base
+for the board's channel "join" links, e.g. `https://web.libera.chat/`), and
+`karma_url` (public web board —
 enables the `karmaweb` command and a link on the `karma`/`karmabottom` top
 lists; empty disables both). Whole-line `#`/`;` comments only —
 inline comments would clash with channel `#`s.
diff --git a/src/bin/karma-web.rs b/src/bin/karma-web.rs
index e0d6df4..65ec8f0 100644
--- a/src/bin/karma-web.rs
+++ b/src/bin/karma-web.rs
@@ -3,7 +3,7 @@ use std::path::PathBuf;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 use rustbot::i18n::Locale;
-use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, Board};
+use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, render_json, Board};
 
 fn main() {
     let mut args = std::env::args().skip(1);
@@ -40,9 +40,11 @@ fn main() {
                     }
                     let meta = p.with_file_name(format!("karma.{net}.meta.json"));
                     if let Ok(mbody) = fs::read_to_string(&meta) {
-                        let (server, channels) = parse_meta(&mbody);
-                        board.server = server;
-                        board.channels = channels;
+                        let m = parse_meta(&mbody);
+                        board.server = m.server;
+                        board.webchat = m.webchat;
+                        board.seen = m.seen;
+                        board.channels = m.channels;
                     }
                     boards.push(board);
                 }
@@ -58,12 +60,22 @@ fn main() {
 
     match out {
         Some(path) => {
-            let tmp = format!("{path}.tmp");
-            if let Err(e) = fs::write(&tmp, &html).and_then(|_| fs::rename(&tmp, &path)) {
+            if let Err(e) = write_atomic(&path, &html) {
                 eprintln!("karma-web: could not write {path}: {e}");
                 std::process::exit(1);
             }
+            // emit the JSON API next to the page
+            if let Some(dir) = PathBuf::from(&path).parent() {
+                let json_path = dir.join("karma.json").to_string_lossy().into_owned();
+                let _ = write_atomic(&json_path, &render_json(&boards, epoch));
+            }
         }
         None => print!("{html}"),
     }
 }
+
+fn write_atomic(path: &str, body: &str) -> std::io::Result<()> {
+    let tmp = format!("{path}.tmp");
+    fs::write(&tmp, body)?;
+    fs::rename(&tmp, path)
+}
diff --git a/src/bot/mod.rs b/src/bot/mod.rs
index 408ecda..5bce0fd 100644
--- a/src/bot/mod.rs
+++ b/src/bot/mod.rs
@@ -23,6 +23,8 @@ pub struct Bot {
     modules: Vec<Box<dyn Module>>,
     routes: HashMap<&'static str, usize>,
     topics: HashMap<String, String>,
+    users: HashMap<String, u32>,
+    names_building: HashMap<String, u32>,
 }
 
 impl Bot {
@@ -59,28 +61,44 @@ impl Bot {
             modules: mods,
             routes,
             topics: HashMap::new(),
+            users: HashMap::new(),
+            names_building: HashMap::new(),
         };
         bot.write_source_meta();
         bot
     }
 
     /// Rewrite the per-network source sidecar the web board reads: server,
-    /// the configured channels, and whatever topics we've learned so far.
+    /// webchat base, a liveness timestamp, and per-channel topic + user count.
     fn write_source_meta(&self) {
-        let channels: Vec<(String, Option<String>)> = self
+        let now = std::time::SystemTime::now()
+            .duration_since(std::time::UNIX_EPOCH)
+            .map(|d| d.as_secs())
+            .unwrap_or(0);
+        let channels: Vec<String> = self
             .config
             .channels
             .iter()
             .map(|c| {
-                let topic = self
-                    .topics
-                    .get(&c.to_lowercase())
-                    .filter(|t| !t.is_empty())
-                    .cloned();
-                (c.clone(), topic)
+                let key = c.to_lowercase();
+                let mut obj = format!("{{\"name\":\"{}\"", crate::json::escape(c));
+                if let Some(t) = self.topics.get(&key).filter(|t| !t.is_empty()) {
+                    obj.push_str(&format!(",\"topic\":\"{}\"", crate::json::escape(t)));
+                }
+                if let Some(u) = self.users.get(&key) {
+                    obj.push_str(&format!(",\"users\":{u}"));
+                }
+                obj.push('}');
+                obj
             })
             .collect();
-        modules::karma::write_meta(&self.config.name, &self.config.server, &channels);
+        let body = format!(
+            "{{\"server\":\"{}\",\"webchat\":\"{}\",\"seen\":{now},\"channels\":[{}]}}\n",
+            crate::json::escape(&self.config.server),
+            crate::json::escape(&self.config.webchat),
+            channels.join(",")
+        );
+        modules::karma::write_meta(&self.config.name, &body);
     }
 
     fn set_topic(&mut self, channel: Option<&str>, topic: Option<&str>) {
@@ -117,6 +135,8 @@ impl Bot {
             "PING" => {
                 let token = msg.trailing().unwrap_or("").to_string();
                 self.conn.pong(&token)?;
+                // heartbeat: refresh the sidecar's liveness timestamp
+                self.write_source_meta();
             }
             "CAP" => self.handle_cap(msg)?,
             "AUTHENTICATE" => self.handle_authenticate(msg)?,
@@ -140,6 +160,22 @@ impl Bot {
             "331" => self.set_topic(msg.param(1), Some("")),
             // live topic change: :who TOPIC <channel> :<topic>
             "TOPIC" => self.set_topic(msg.param(0), msg.trailing()),
+            // RPL_NAMREPLY: <nick> <sym> <channel> :n1 n2 n3 (may repeat)
+            "353" => {
+                if let (Some(chan), Some(names)) = (msg.param(2), msg.trailing()) {
+                    let n = names.split_whitespace().count() as u32;
+                    *self.names_building.entry(chan.to_lowercase()).or_insert(0) += n;
+                }
+            }
+            // RPL_ENDOFNAMES: finalize the count for this channel
+            "366" => {
+                if let Some(chan) = msg.param(1) {
+                    let key = chan.to_lowercase();
+                    let count = self.names_building.remove(&key).unwrap_or(0);
+                    self.users.insert(key, count);
+                    self.write_source_meta();
+                }
+            }
             "PRIVMSG" => self.handle_privmsg(msg)?,
             _ => {}
         }
diff --git a/src/bot/modules/karma.rs b/src/bot/modules/karma.rs
index 28299c5..7e3db18 100644
--- a/src/bot/modules/karma.rs
+++ b/src/bot/modules/karma.rs
@@ -438,23 +438,9 @@ fn data_path(network: &str, ext: &str) -> PathBuf {
 
 /// Record where a network's karma comes from (server + channels) so the web
 /// page can show its source. Best-effort — a failure just omits the line.
-pub fn write_meta(network: &str, server: &str, channels: &[(String, Option<String>)]) {
-    let chans = channels
-        .iter()
-        .map(|(name, topic)| match topic {
-            Some(t) => format!(
-                "{{\"name\":\"{}\",\"topic\":\"{}\"}}",
-                json::escape(name),
-                json::escape(t)
-            ),
-            None => format!("{{\"name\":\"{}\"}}", json::escape(name)),
-        })
-        .collect::<Vec<_>>()
-        .join(",");
-    let body = format!(
-        "{{\"server\":\"{}\",\"channels\":[{chans}]}}\n",
-        json::escape(server)
-    );
+/// Atomically write the per-network source sidecar the web board reads. The
+/// caller (`Bot`) owns the JSON schema (server, webchat, seen, channels...).
+pub fn write_meta(network: &str, body: &str) {
     let path = data_path(network, "meta.json");
     let mut tmp = path.clone().into_os_string();
     tmp.push(".tmp");
diff --git a/src/config.rs b/src/config.rs
index 6056028..b89e8ca 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -20,6 +20,7 @@ pub struct Config {
     pub sasl_pass: Option<String>,
     pub locale: String,
     pub karma_url: String,
+    pub webchat: String,
 }
 
 impl Default for Config {
@@ -40,6 +41,7 @@ impl Default for Config {
             sasl_pass: None,
             locale: "en".to_string(),
             karma_url: String::new(),
+            webchat: String::new(),
         }
     }
 }
@@ -166,6 +168,7 @@ fn apply_kv(c: &mut Config, key: &str, value: &str, where_: &str) {
         "sasl_pass" => c.sasl_pass = (!value.is_empty()).then(|| value.to_string()),
         "locale" | "lang" => c.locale = value.to_string(),
         "karma_url" | "web_url" => c.karma_url = value.to_string(),
+        "webchat" => c.webchat = value.to_string(),
         other => log(&format!("{where_}: unknown key '{other}'")),
     }
 }
@@ -229,6 +232,9 @@ fn apply_env(c: &mut Config) {
     if let Ok(v) = std::env::var("IRC_KARMA_URL") {
         c.karma_url = v;
     }
+    if let Ok(v) = std::env::var("IRC_WEBCHAT") {
+        c.webchat = v;
+    }
 }
 
 fn parse_bool(value: &str) -> bool {
diff --git a/src/karma_web.rs b/src/karma_web.rs
index b832d78..2d3745f 100644
--- a/src/karma_web.rs
+++ b/src/karma_web.rs
@@ -21,6 +21,14 @@ pub struct Event {
 pub struct Channel {
     pub name: String,
     pub topic: Option<String>,
+    pub users: Option<u32>,
+}
+
+pub struct Meta {
+    pub server: String,
+    pub webchat: String,
+    pub seen: u64,
+    pub channels: Vec<Channel>,
 }
 
 pub struct Board {
@@ -28,6 +36,8 @@ pub struct Board {
     pub rows: Vec<Row>,
     pub events: Vec<Event>,
     pub server: String,
+    pub webchat: String,
+    pub seen: u64,
     pub channels: Vec<Channel>,
 }
 
@@ -54,6 +64,8 @@ pub fn parse_board(network: &str, body: &str) -> Board {
         rows,
         events: Vec::new(),
         server: String::new(),
+        webchat: String::new(),
+        seen: 0,
         channels: Vec::new(),
     }
 }
@@ -61,15 +73,17 @@ pub fn parse_board(network: &str, body: &str) -> Board {
 /// Parse the `karma.<net>.meta.json` sidecar the bot writes: where this
 /// network's karma comes from. Channels may be bare strings (old format) or
 /// `{"name","topic"}` objects.
-pub fn parse_meta(body: &str) -> (String, Vec<Channel>) {
-    let Some(j) = Json::parse(body) else {
-        return (String::new(), Vec::new());
+pub fn parse_meta(body: &str) -> Meta {
+    let empty = || Meta {
+        server: String::new(),
+        webchat: String::new(),
+        seen: 0,
+        channels: Vec::new(),
     };
-    let server = j
-        .get("server")
-        .and_then(Json::as_str)
-        .unwrap_or("")
-        .to_string();
+    let Some(j) = Json::parse(body) else {
+        return empty();
+    };
+    let string = |k: &str| j.get(k).and_then(Json::as_str).unwrap_or("").to_string();
     let channels = match j.get("channels") {
         Some(Json::Arr(items)) => items
             .iter()
@@ -78,6 +92,7 @@ pub fn parse_meta(body: &str) -> (String, Vec<Channel>) {
                     return (!name.is_empty()).then(|| Channel {
                         name: name.to_string(),
                         topic: None,
+                        users: None,
                     });
                 }
                 let name = it.get("name").and_then(Json::as_str)?;
@@ -89,15 +104,22 @@ pub fn parse_meta(body: &str) -> (String, Vec<Channel>) {
                     .and_then(Json::as_str)
                     .filter(|s| !s.is_empty())
                     .map(str::to_string);
+                let users = it.get("users").and_then(Json::as_f64).map(|n| n as u32);
                 Some(Channel {
                     name: name.to_string(),
                     topic,
+                    users,
                 })
             })
             .collect(),
         _ => Vec::new(),
     };
-    (server, channels)
+    Meta {
+        server: string("server"),
+        webchat: string("webchat"),
+        seen: j.get("seen").and_then(Json::as_f64).unwrap_or(0.0) as u64,
+        channels,
+    }
 }
 
 pub fn parse_events(body: &str) -> Vec<Event> {
@@ -328,6 +350,20 @@ struct Lex {
     give: &'static str,
     built: &'static str,
     updated: &'static str,
+    online: &'static str,
+    offline: &'static str,
+    rising: &'static str,
+    over_time: &'static str,
+    most_debated: &'static str,
+    milestones: &'static str,
+    reasons_recent: &'static str,
+    history: &'static str,
+    reached: &'static str,
+    bumps: &'static str,
+    filter_ph: &'static str,
+    sort_karma: &'static str,
+    sort_name: &'static str,
+    sort_active: &'static str,
 }
 
 fn lex(l: Locale) -> Lex {
@@ -353,6 +389,20 @@ fn lex(l: Locale) -> Lex {
             give: "give karma by saying <code>nick++</code> in the channel",
             built: "built by",
             updated: "updated",
+            online: "online",
+            offline: "offline",
+            rising: "rising this week",
+            over_time: "karma over time",
+            most_debated: "most debated",
+            milestones: "milestones",
+            reasons_recent: "recent reasons",
+            history: "history",
+            reached: "reached",
+            bumps: "bumps",
+            filter_ph: "filter…",
+            sort_karma: "karma",
+            sort_name: "name",
+            sort_active: "active",
         },
         Locale::Es => Lex {
             tagline: "reputación ganada de a un <code>nick++</code>, en todos los canales.",
@@ -375,6 +425,20 @@ fn lex(l: Locale) -> Lex {
             give: "da karma escribiendo <code>nick++</code> en el canal",
             built: "hecho con",
             updated: "actualizado",
+            online: "en línea",
+            offline: "desconectado",
+            rising: "en alza esta semana",
+            over_time: "karma en el tiempo",
+            most_debated: "más debatidos",
+            milestones: "hitos",
+            reasons_recent: "razones recientes",
+            history: "historial",
+            reached: "llegó a",
+            bumps: "cambios",
+            filter_ph: "filtrar…",
+            sort_karma: "karma",
+            sort_name: "nombre",
+            sort_active: "activos",
         },
         Locale::Fr => Lex {
             tagline: "la réputation gagnée un <code>nick++</code> à la fois, sur les canaux.",
@@ -397,6 +461,20 @@ fn lex(l: Locale) -> Lex {
             give: "donne du karma en disant <code>nick++</code> dans le canal",
             built: "fait avec",
             updated: "mis à jour",
+            online: "en ligne",
+            offline: "hors ligne",
+            rising: "en hausse cette semaine",
+            over_time: "karma dans le temps",
+            most_debated: "les plus débattus",
+            milestones: "jalons",
+            reasons_recent: "raisons récentes",
+            history: "historique",
+            reached: "a atteint",
+            bumps: "changements",
+            filter_ph: "filtrer…",
+            sort_karma: "karma",
+            sort_name: "nom",
+            sort_active: "actifs",
         },
     }
 }
@@ -417,7 +495,10 @@ pub fn render(boards: &[Board], updated_epoch: u64, locale: Locale) -> String {
         .collect();
     let gifts = feed.len();
 
-    let mut s = String::from(HEAD);
+    let now = updated_epoch;
+    let mut s = HEAD
+        .replace("__LANG__", locale.code())
+        .replace("__OG__", &og_tags(boards, &lx));
     let multi = boards.iter().filter(|b| !b.rows.is_empty()).count() > 1;
 
     s.push_str("<header class=\"hero fade\"><div class=\"prompt\">rubot@devtronic</div>");
@@ -443,20 +524,102 @@ pub fn render(boards: &[Board], updated_epoch: u64, locale: Locale) -> String {
             continue;
         }
         s.push_str("<section class=\"board fade\">");
-        s.push_str(&source_line(b, &lx));
-        s.push_str(&podium(b));
+        s.push_str(&source_line(b, now, &lx));
+        s.push_str(&podium(b, &lx));
         s.push_str(&ledger(b, &lx));
         s.push_str("</section>");
     }
 
+    s.push_str(&rising(&feed, now, &lx));
+    s.push_str(&over_time(&feed, now, &lx));
+
     s.push_str("<div class=\"band\">");
     s.push_str(&activity(&feed, multi, &lx));
     s.push_str(&givers_panel(&feed, &lx));
     s.push_str("</div>");
 
+    s.push_str("<div class=\"band3\">");
+    s.push_str(&most_debated(&feed, &lx));
+    s.push_str(&milestones(&feed, &lx));
+    s.push_str(&reasons_wall(&feed, &lx));
+    s.push_str("</div>");
+
     finish(s, updated_epoch, locale, &lx)
 }
 
+/// A machine-readable snapshot of the board(s) — served alongside the page as
+/// `karma.json` so other tools/bots can read the data.
+pub fn render_json(boards: &[Board], updated_epoch: u64) -> String {
+    let nets: Vec<String> = boards
+        .iter()
+        .map(|b| {
+            let channels: Vec<String> = b
+                .channels
+                .iter()
+                .map(|c| {
+                    let mut o = format!("{{\"name\":\"{}\"", json::escape(&c.name));
+                    if let Some(t) = &c.topic {
+                        o.push_str(&format!(",\"topic\":\"{}\"", json::escape(t)));
+                    }
+                    if let Some(u) = c.users {
+                        o.push_str(&format!(",\"users\":{u}"));
+                    }
+                    o.push('}');
+                    o
+                })
+                .collect();
+            let things: Vec<String> = b
+                .rows
+                .iter()
+                .map(|r| {
+                    let mut o = format!(
+                        "{{\"thing\":\"{}\",\"karma\":{}",
+                        json::escape(&r.thing),
+                        r.count
+                    );
+                    if let Some(w) = &r.reason {
+                        o.push_str(&format!(",\"reason\":\"{}\"", json::escape(w)));
+                    }
+                    if let Some(by) = &r.by {
+                        o.push_str(&format!(",\"by\":\"{}\"", json::escape(by)));
+                    }
+                    o.push('}');
+                    o
+                })
+                .collect();
+            format!(
+                "{{\"network\":\"{}\",\"server\":\"{}\",\"channels\":[{}],\"things\":[{}]}}",
+                json::escape(&b.network),
+                json::escape(&b.server),
+                channels.join(","),
+                things.join(",")
+            )
+        })
+        .collect();
+    format!(
+        "{{\"generated\":{updated_epoch},\"networks\":[{}]}}\n",
+        nets.join(",")
+    )
+}
+
+fn og_tags(boards: &[Board], lx: &Lex) -> String {
+    let things: usize = boards.iter().map(|b| b.rows.len()).sum();
+    let top = boards
+        .iter()
+        .flat_map(|b| &b.rows)
+        .max_by_key(|r| r.count)
+        .map(|r| format!(" · {} {}", esc(&r.thing), signed(r.count)))
+        .unwrap_or_default();
+    let desc = format!("{things} {}{top}", lx.s_tracked);
+    format!(
+        "<meta property=\"og:type\" content=\"website\">\
+         <meta property=\"og:title\" content=\"karma · devtronic\">\
+         <meta property=\"og:description\" content=\"{desc}\">\
+         <meta name=\"twitter:card\" content=\"summary\">\
+         <meta name=\"description\" content=\"{desc}\">"
+    )
+}
+
 fn finish(mut s: String, epoch: u64, locale: Locale, lx: &Lex) -> String {
     s.push_str(&footer(epoch, lx));
     s.push_str("<script>var C=");
@@ -469,13 +632,29 @@ fn finish(mut s: String, epoch: u64, locale: Locale, lx: &Lex) -> String {
 }
 
 /// "from  #argentina · irc.libera.chat" — where this board's karma comes from.
-fn source_line(b: &Board, lx: &Lex) -> String {
+fn source_line(b: &Board, now: u64, lx: &Lex) -> String {
+    let online = b.seen > 0 && now.saturating_sub(b.seen) < 300;
+    let dot = format!(
+        "<span class=\"dot {}\" title=\"{}\"></span>",
+        if online { "on" } else { "off" },
+        if online { lx.online } else { lx.offline }
+    );
     let mut parts: Vec<String> = Vec::new();
     if !b.channels.is_empty() {
         let chans = b
             .channels
             .iter()
-            .map(|c| esc(&c.name))
+            .map(|c| {
+                let users = match c.users {
+                    Some(u) => format!(" <span class=\"users\">{u} {}</span>", lx.online),
+                    None => String::new(),
+                };
+                format!(
+                    "<a class=\"chan\" href=\"{}\" rel=\"noopener\" target=\"_blank\">{}</a>{users}",
+                    join_url(b, &c.name),
+                    esc(&c.name)
+                )
+            })
             .collect::<Vec<_>>()
             .join(" ");
         parts.push(format!("<span class=\"chans\">{chans}</span>"));
@@ -487,7 +666,7 @@ fn source_line(b: &Board, lx: &Lex) -> String {
         parts.push(format!("<span class=\"host\">{}</span>", esc(&b.network)));
     }
     let mut out = format!(
-        "<div class=\"source\"><span class=\"lbl\">{}</span>{}</div>",
+        "<div class=\"source\">{dot}<span class=\"lbl\">{}</span>{}</div>",
         lx.from,
         parts.join("<span class=\"sep\">·</span>")
     );
@@ -495,6 +674,19 @@ fn source_line(b: &Board, lx: &Lex) -> String {
     out
 }
 
+/// A clickable join target for a channel: the configured webchat, else an
+/// `ircs://` URL. Returned already escaped for use in an `href`.
+fn join_url(b: &Board, channel: &str) -> String {
+    let raw = if !b.webchat.is_empty() {
+        format!("{}{}", b.webchat, channel)
+    } else if !b.server.is_empty() {
+        format!("ircs://{}/{}", b.server, channel.replace('#', "%23"))
+    } else {
+        String::new()
+    };
+    esc(&raw)
+}
+
 fn topics_block(b: &Board) -> String {
     let multi = b.channels.len() > 1;
     let items: Vec<String> = b
@@ -544,7 +736,52 @@ fn stat(num: &str, label: &str) -> String {
     )
 }
 
-fn podium(b: &Board) -> String {
+fn hist_html(thing: &str, events: &[Event], lx: &Lex) -> String {
+    let key = thing.to_lowercase();
+    let mut evs: Vec<&Event> = events
+        .iter()
+        .filter(|e| e.thing.to_lowercase() == key)
+        .collect();
+    if evs.is_empty() {
+        return String::new();
+    }
+    evs.sort_by_key(|e| std::cmp::Reverse(e.t));
+    let items: String = evs
+        .iter()
+        .take(20)
+        .map(|e| {
+            let by = e.by.clone().unwrap_or_else(|| lx.someone.to_string());
+            let chip = if e.delta >= 0 { "++" } else { "--" };
+            let why = match &e.why {
+                Some(w) => format!(" <span class=\"why\">\u{201C}{}\u{201D}</span>", esc(w)),
+                None => String::new(),
+            };
+            format!(
+                "<li class=\"hev\"><span class=\"chip {kl}\">{chip}</span> <b>{}</b>{why} \
+                 <time class=\"ago\" data-t=\"{}\"></time></li>",
+                esc(&by),
+                e.t,
+                kl = klass(e.delta),
+            )
+        })
+        .collect();
+    format!("<ol class=\"hist\" hidden>{items}</ol>")
+}
+
+/// `(class-suffix, title-attr)` marking an element expandable when it has a
+/// non-empty history block.
+fn expand_attrs(hist: &str, lx: &Lex) -> (String, String) {
+    if hist.is_empty() {
+        (String::new(), String::new())
+    } else {
+        (
+            " expand".to_string(),
+            format!(" title=\"{}\"", esc(lx.history)),
+        )
+    }
+}
+
+fn podium(b: &Board, lx: &Lex) -> String {
     let top = b.rows.iter().take(3).collect::<Vec<_>>();
     let mut out = String::from("<ol class=\"podium\">");
     for (i, r) in top.iter().enumerate() {
@@ -565,9 +802,11 @@ fn podium(b: &Board) -> String {
             (Some(why), None) => format!("<div class=\"why\">\u{201C}{}\u{201D}</div>", esc(why)),
             _ => String::new(),
         };
+        let hist = hist_html(&r.thing, &b.events, lx);
+        let (expand, title) = expand_attrs(&hist, lx);
         out.push_str(&format!(
-            "<li class=\"pillar r{rank}\"><div class=\"crown\">{crown}</div>{}\
-             <div class=\"nick\">{}</div><div class=\"score {}\">{}</div>{spark}{reason}</li>",
+            "<li class=\"pillar r{rank}{expand}\"{title}><div class=\"crown\">{crown}</div>{}\
+             <div class=\"nick\">{}</div><div class=\"score {}\">{}</div>{spark}{reason}{hist}</li>",
             avatar(&r.thing, "lg"),
             esc(&r.thing),
             klass(r.count),
@@ -582,8 +821,19 @@ fn ledger(b: &Board, lx: &Lex) -> String {
     if b.rows.len() <= 3 {
         return String::new();
     }
+    let controls = format!(
+        "<div class=\"controls\">\
+         <input id=\"q\" class=\"filter\" type=\"search\" placeholder=\"{ph}\" autocomplete=\"off\" aria-label=\"{ph}\">\
+         <div class=\"sorts\"><button type=\"button\" data-sort=\"score\" class=\"on\">{}</button>\
+         <button type=\"button\" data-sort=\"name\">{}</button>\
+         <button type=\"button\" data-sort=\"active\">{}</button></div></div>",
+        lx.sort_karma,
+        lx.sort_name,
+        lx.sort_active,
+        ph = esc(lx.filter_ph),
+    );
     let mut out = format!(
-        "<div class=\"eyebrow\">{}</div><ol class=\"list\">",
+        "<div class=\"eyebrow\">{}</div>{controls}<ol class=\"list ledger\">",
         lx.ledger
     );
     for (i, r) in b.rows.iter().enumerate().skip(3) {
@@ -598,14 +848,25 @@ fn ledger(b: &Board, lx: &Lex) -> String {
             (Some(why), None) => format!("<span class=\"why\">\u{201C}{}\u{201D}</span>", esc(why)),
             _ => String::new(),
         };
+        let key = r.thing.to_lowercase();
+        let active = b
+            .events
+            .iter()
+            .filter(|e| e.thing.to_lowercase() == key)
+            .count();
+        let hist = hist_html(&r.thing, &b.events, lx);
+        let (expand, title) = expand_attrs(&hist, lx);
         out.push_str(&format!(
-            "<li class=\"row\"><span class=\"rank\">{rank}</span>{}\
-             <div class=\"who\"><div class=\"nick\">{}</div>{reason}</div>\
-             {spark}<span class=\"score {}\">{}</span></li>",
-            avatar(&r.thing, "sm"),
-            esc(&r.thing),
-            klass(r.count),
-            signed(r.count),
+            "<li class=\"row thing{expand}\"{title} data-name=\"{namel}\" data-score=\"{score}\" data-active=\"{active}\">\
+             <span class=\"rank\">{rank}</span>{av}\
+             <div class=\"who\"><div class=\"nick\">{name}</div>{reason}</div>\
+             {spark}<span class=\"score {kl}\">{sg}</span>{hist}</li>",
+            namel = esc(&key),
+            score = r.count,
+            av = avatar(&r.thing, "sm"),
+            name = esc(&r.thing),
+            kl = klass(r.count),
+            sg = signed(r.count),
         ));
     }
     out.push_str("</ol>");
@@ -693,6 +954,182 @@ fn givers_panel(feed: &[(&str, &Event)], lx: &Lex) -> String {
     out
 }
 
+fn rising(feed: &[(&str, &Event)], now: u64, lx: &Lex) -> String {
+    let week = now.saturating_sub(7 * 86400);
+    let mut m: HashMap<String, (String, i64)> = HashMap::new();
+    for (_, e) in feed {
+        if e.t >= week {
+            let ent = m
+                .entry(e.thing.to_lowercase())
+                .or_insert((e.thing.clone(), 0));
+            ent.1 += e.delta;
+        }
+    }
+    let mut v: Vec<(String, i64)> = m.into_values().filter(|(_, d)| *d != 0).collect();
+    if v.is_empty() {
+        return String::new();
+    }
+    v.sort_by(|a, b| {
+        b.1.abs()
+            .cmp(&a.1.abs())
+            .then(a.0.to_lowercase().cmp(&b.0.to_lowercase()))
+    });
+    v.truncate(8);
+    let chips: String = v
+        .iter()
+        .map(|(name, d)| {
+            format!(
+                "<span class=\"tchip {}\">{} <b>{}</b></span>",
+                klass(*d),
+                esc(name),
+                signed(*d)
+            )
+        })
+        .collect();
+    format!(
+        "<section class=\"strip fade\"><div class=\"eyebrow\">🔥 {}</div><div class=\"chips\">{chips}</div></section>",
+        lx.rising
+    )
+}
+
+fn over_time(feed: &[(&str, &Event)], now: u64, lx: &Lex) -> String {
+    const DAYS: usize = 30;
+    let day = 86400u64;
+    let start = now.saturating_sub((DAYS as u64 - 1) * day);
+    let mut buckets = [0u32; DAYS];
+    for (_, e) in feed {
+        if e.t >= start {
+            let idx = ((e.t - start) / day) as usize;
+            if idx < DAYS {
+                buckets[idx] += 1;
+            }
+        }
+    }
+    let max = *buckets.iter().max().unwrap_or(&0);
+    if max == 0 {
+        return String::new();
+    }
+    let bars: String = buckets
+        .iter()
+        .map(|c| {
+            let h = (*c as f64 / max as f64 * 100.0).round() as u32;
+            format!(
+                "<span class=\"bar\" style=\"height:{}%\" title=\"{c}\"></span>",
+                h.max(3)
+            )
+        })
+        .collect();
+    let total: u32 = buckets.iter().sum();
+    format!(
+        "<section class=\"chart fade\"><div class=\"eyebrow\">{} \
+         <span class=\"count\">{total} · {DAYS}d</span></div><div class=\"bars\">{bars}</div></section>",
+        lx.over_time
+    )
+}
+
+fn most_debated(feed: &[(&str, &Event)], lx: &Lex) -> String {
+    let mut m: HashMap<String, (String, i64, i64)> = HashMap::new();
+    for (_, e) in feed {
+        let ent = m
+            .entry(e.thing.to_lowercase())
+            .or_insert((e.thing.clone(), 0, 0));
+        ent.1 += 1;
+        ent.2 += e.delta;
+    }
+    let mut v: Vec<(String, i64, i64)> = m.into_values().collect();
+    if v.is_empty() {
+        return String::new();
+    }
+    v.sort_by(|a, b| {
+        b.1.cmp(&a.1)
+            .then(a.0.to_lowercase().cmp(&b.0.to_lowercase()))
+    });
+    v.truncate(6);
+    let items: String = v
+        .iter()
+        .map(|(name, bumps, net)| {
+            format!(
+                "<li class=\"row\"><div class=\"who\"><div class=\"nick\">{}</div>\
+                 <span class=\"why\">{bumps} {}</span></div><span class=\"score {}\">{}</span></li>",
+                esc(name),
+                lx.bumps,
+                klass(*net),
+                signed(*net)
+            )
+        })
+        .collect();
+    format!(
+        "<section class=\"panel fade\"><div class=\"eyebrow\">{}</div><ol class=\"list\">{items}</ol></section>",
+        lx.most_debated
+    )
+}
+
+fn milestones(feed: &[(&str, &Event)], lx: &Lex) -> String {
+    const LEVELS: &[i64] = &[10, 25, 50, 100, 250, 500, 1000, 2500, 5000, 10000];
+    let mut evs: Vec<&(&str, &Event)> = feed.iter().collect();
+    evs.sort_by_key(|(_, e)| e.t);
+    let mut cum: HashMap<String, i64> = HashMap::new();
+    let mut hits: Vec<(String, i64, u64)> = Vec::new();
+    for (_, e) in evs {
+        let c = cum.entry(e.thing.to_lowercase()).or_insert(0);
+        let before = *c;
+        *c += e.delta;
+        let after = *c;
+        for &lv in LEVELS {
+            if before < lv && after >= lv {
+                hits.push((e.thing.clone(), lv, e.t));
+            }
+        }
+    }
+    if hits.is_empty() {
+        return String::new();
+    }
+    hits.sort_by_key(|(_, _, t)| std::cmp::Reverse(*t));
+    hits.truncate(8);
+    let items: String = hits
+        .iter()
+        .map(|(name, lv, t)| {
+            format!(
+                "<li class=\"hev\">🎉 <b>{}</b> {} <b>{lv}</b> \
+                 <time class=\"ago\" data-t=\"{t}\"></time></li>",
+                esc(name),
+                lx.reached
+            )
+        })
+        .collect();
+    format!(
+        "<section class=\"panel fade\"><div class=\"eyebrow\">{}</div><ol class=\"list\">{items}</ol></section>",
+        lx.milestones
+    )
+}
+
+fn reasons_wall(feed: &[(&str, &Event)], lx: &Lex) -> String {
+    let items: String = feed
+        .iter()
+        .filter(|(_, e)| e.why.is_some())
+        .take(6)
+        .map(|(_, e)| {
+            let by = e.by.clone().unwrap_or_else(|| lx.someone.to_string());
+            format!(
+                "<li class=\"quote\"><div class=\"q\">\u{201C}{}\u{201D}</div>\
+                 <div class=\"qm\"><b>{}</b> \u{2192} <b>{}</b> \
+                 <time class=\"ago\" data-t=\"{}\"></time></div></li>",
+                esc(e.why.as_deref().unwrap_or("")),
+                esc(&by),
+                esc(&e.thing),
+                e.t
+            )
+        })
+        .collect();
+    if items.is_empty() {
+        return String::new();
+    }
+    format!(
+        "<section class=\"panel fade\"><div class=\"eyebrow\">{}</div><ul class=\"quotes\">{items}</ul></section>",
+        lx.reasons_recent
+    )
+}
+
 fn footer(epoch: u64, lx: &Lex) -> String {
     format!(
         "<footer class=\"fade\">{} &middot; {} \
@@ -732,11 +1169,12 @@ fn time_cfg(l: Locale) -> String {
 }
 
 const HEAD: &str = r##"<!doctype html>
-<html lang="en">
+<html lang="__LANG__">
 <head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>karma · devtronic</title>
+__OG__
 <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ctext y='13' font-size='13'%3E%E2%9C%A8%3C/text%3E%3C/svg%3E">
 <style>
 :root{
@@ -844,6 +1282,41 @@ border-radius:6px;padding:0 6px;margin-left:2px}
 .ago{display:block;color:var(--faint);font-size:11.5px;margin-top:2px;font-variant-numeric:tabular-nums}
 
 footer{text-align:center;color:var(--muted);font-size:12.5px;margin-top:44px;line-height:2}
+.dot{width:9px;height:9px;border-radius:50%;flex:none}
+.dot.on{background:var(--up);box-shadow:0 0 0 3px rgba(95,211,159,.16)}
+.dot.off{background:var(--faint)}
+.source .chan{font-family:var(--mono);color:var(--gold);font-weight:600}
+.source .chan:hover{text-decoration:underline}
+.source .users{font-family:var(--mono);color:var(--faint);font-size:11px}
+.strip{margin:30px 2px 6px}
+.chips{display:flex;flex-wrap:wrap;gap:8px}
+.tchip{font-family:var(--mono);font-size:13px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
+.tchip.up{color:var(--up)}.tchip.down{color:var(--down)}
+.tchip b{font-weight:700}
+.chart{margin:24px 2px 6px}
+.chart .eyebrow{margin:0 0 10px}
+.chart .count{margin-left:auto;color:var(--faint);font-family:var(--mono);font-size:11px}
+.bars{display:flex;align-items:flex-end;gap:3px;height:64px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px}
+.bar{flex:1;background:linear-gradient(180deg,var(--gold),rgba(245,182,66,.3));border-radius:2px;min-height:2px}
+.band3{display:grid;grid-template-columns:1fr;gap:16px;margin-top:16px}
+@media(min-width:720px){.band3{grid-template-columns:1fr 1fr 1fr}}
+.quotes{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
+.quote .q{color:var(--fg);font-size:13.5px;line-height:1.5}
+.quote .qm{color:var(--muted);font-size:12px;margin-top:2px}
+.quote .qm b{font-family:var(--mono);font-weight:600}
+.controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 2px 12px}
+.filter{flex:1;min-width:150px;padding:9px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--fg);font-size:14px}
+.filter:focus{outline:none;border-color:var(--gold)}
+.sorts{display:flex;gap:6px}
+.sorts button{font:inherit;font-size:12px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 11px;cursor:pointer}
+.sorts button.on{color:var(--bg);background:var(--gold);border-color:var(--gold);font-weight:600}
+.row.thing,.pillar.expand{cursor:pointer}
+.row.thing{flex-wrap:wrap}
+.hist{list-style:none;margin:10px 0 0;padding:10px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px;flex-basis:100%;width:100%}
+.pillar .hist{text-align:left}
+.hev{font-size:12.5px;color:var(--muted);word-break:break-word}
+.hev b{font-family:var(--mono);color:var(--fg);font-weight:600}
+.hev .chip{font-size:11px;padding:0 5px}
 .empty{text-align:center;color:var(--muted);padding:56px 10px}
 
 @media(max-width:560px){
@@ -878,6 +1351,38 @@ return C.pre+d+C.u[6]+C.post;
 document.querySelectorAll("time.ago[data-t]").forEach(function(t){
 var v=parseInt(t.getAttribute("data-t"),10);if(v)t.textContent=ago(v);
 });
+// click a row/pillar to toggle its history
+document.querySelectorAll(".row.thing,.pillar.expand").forEach(function(el){
+el.addEventListener("click",function(e){
+if(e.target.closest("a"))return;
+var h=el.querySelector(".hist");if(h)h.hidden=!h.hidden;
+});
+});
+// filter the ledger
+var q=document.getElementById("q");
+if(q){q.addEventListener("input",function(){
+var t=q.value.toLowerCase();
+document.querySelectorAll("ol.ledger>li.row").forEach(function(li){
+li.style.display=li.textContent.toLowerCase().indexOf(t)>=0?"":"none";
+});
+});}
+// sort the ledger
+document.querySelectorAll(".sorts button").forEach(function(btn){
+btn.addEventListener("click",function(){
+var key=btn.getAttribute("data-sort");
+var list=document.querySelector("ol.ledger");if(!list)return;
+document.querySelectorAll(".sorts button").forEach(function(b){b.classList.remove("on");});
+btn.classList.add("on");
+var rows=Array.prototype.slice.call(list.querySelectorAll("li.row"));
+rows.sort(function(a,b){
+if(key=="name")return a.getAttribute("data-name").localeCompare(b.getAttribute("data-name"));
+var an=parseInt(a.getAttribute(key=="active"?"data-active":"data-score"),10);
+var bn=parseInt(b.getAttribute(key=="active"?"data-active":"data-score"),10);
+return bn-an;
+});
+rows.forEach(function(r){list.appendChild(r);});
+});
+});
 setTimeout(function(){location.reload();},60000);
 })();"##;
 
diff --git a/tests/karma_web.rs b/tests/karma_web.rs
index a20855d..820166a 100644
--- a/tests/karma_web.rs
+++ b/tests/karma_web.rs
@@ -1,5 +1,5 @@
 use rustbot::i18n::Locale;
-use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, Channel};
+use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, render_json, Channel};
 
 fn board_with_events(net: &str, store: &str, log: &str) -> rustbot::karma_web::Board {
     let mut b = parse_board(net, store);
@@ -102,51 +102,64 @@ fn renders_spanish_chrome() {
 }
 
 #[test]
-fn parses_meta_channels_with_and_without_topic() {
-    // new format: objects with an optional topic
-    let (server, channels) = parse_meta(
-        r##"{"server":"irc.libera.chat","channels":[{"name":"#argentina","topic":"Bienvenidos"},{"name":"#ar"}]}"##,
+fn parses_meta_channels_topic_and_users() {
+    let m = parse_meta(
+        r##"{"server":"irc.libera.chat","webchat":"https://web.libera.chat/","seen":123,"channels":[{"name":"#argentina","topic":"Bienvenidos","users":42},{"name":"#ar"}]}"##,
     );
-    assert_eq!(server, "irc.libera.chat");
-    assert_eq!(channels.len(), 2);
-    assert_eq!(channels[0].name, "#argentina");
-    assert_eq!(channels[0].topic.as_deref(), Some("Bienvenidos"));
-    assert!(channels[1].topic.is_none());
-    // old format (bare strings) still parses
-    let (_, old) = parse_meta(r##"{"server":"x","channels":["#c"]}"##);
-    assert_eq!(old[0].name, "#c");
-    assert!(old[0].topic.is_none());
+    assert_eq!(m.server, "irc.libera.chat");
+    assert_eq!(m.webchat, "https://web.libera.chat/");
+    assert_eq!(m.seen, 123);
+    assert_eq!(m.channels.len(), 2);
+    assert_eq!(m.channels[0].name, "#argentina");
+    assert_eq!(m.channels[0].topic.as_deref(), Some("Bienvenidos"));
+    assert_eq!(m.channels[0].users, Some(42));
+    assert!(m.channels[1].topic.is_none() && m.channels[1].users.is_none());
+    // old bare-string format still parses
+    let old = parse_meta(r##"{"server":"x","channels":["#c"]}"##);
+    assert_eq!(old.channels[0].name, "#c");
     // garbage degrades to empty
-    let (s, c) = parse_meta("not json");
-    assert!(s.is_empty() && c.is_empty());
+    let g = parse_meta("not json");
+    assert!(g.server.is_empty() && g.channels.is_empty());
 }
 
 #[test]
-fn renders_source_channel_server_and_topic() {
+fn renders_source_topic_users_join_and_online() {
     let mut b = parse_board("libera", r#"{"romaka":2}"#);
     b.server = "irc.libera.chat".to_string();
+    b.webchat = "https://web.libera.chat/".to_string();
+    b.seen = 1000;
     b.channels = vec![Channel {
         name: "#argentina".to_string(),
         topic: Some("Argentina en Libera - stats https://qadlo.example/".to_string()),
+        users: Some(42),
     }];
-    let en = render(&[b], 0, Locale::En);
+    let en = render(&[b], 1100, Locale::En); // now close to seen -> online
     assert!(en.contains("#argentina"), "channel missing");
     assert!(en.contains("irc.libera.chat"), "server missing");
-    assert!(en.contains(">from<"), "from label missing");
-    // the topic text shows, and its URL becomes a safe link
-    assert!(en.contains("Argentina en Libera"), "topic text missing");
+    assert!(en.contains("Argentina en Libera"), "topic missing");
     assert!(
         en.contains("<a href=\"https://qadlo.example/\""),
-        "topic url not linkified: {en}"
+        "topic url not linkified"
     );
-    // spanish label still works with no topic
-    let mut b2 = parse_board("libera", r#"{"romaka":2}"#);
-    b2.channels = vec![Channel {
-        name: "#argentina".to_string(),
-        topic: None,
-    }];
-    let es = render(&[b2], 0, Locale::Es);
-    assert!(es.contains(">desde<") && es.contains("#argentina"), "{es}");
+    assert!(en.contains("42 online"), "user count missing");
+    assert!(
+        en.contains("https://web.libera.chat/#argentina"),
+        "join link missing"
+    );
+    assert!(en.contains("class=\"dot on\""), "online dot missing");
+    // og description present
+    assert!(
+        en.contains("property=\"og:description\""),
+        "og tags missing"
+    );
+}
+
+#[test]
+fn online_dot_goes_offline_when_stale() {
+    let mut b = parse_board("t", r#"{"x":1}"#);
+    b.seen = 1000;
+    let html = render(&[b], 9_999_999, Locale::En);
+    assert!(html.contains("class=\"dot off\""), "should be offline");
 }
 
 #[test]
@@ -155,6 +168,7 @@ fn topic_cannot_inject_markup() {
     b.channels = vec![Channel {
         name: "#c".to_string(),
         topic: Some("<script>evil</script> javascript:alert(1)".to_string()),
+        users: None,
     }];
     let html = render(&[b], 0, Locale::En);
     assert!(!html.contains("<script>evil"), "topic markup leaked");
@@ -162,6 +176,51 @@ fn topic_cannot_inject_markup() {
     assert!(html.contains("&lt;script&gt;evil"), "topic not escaped");
 }
 
+#[test]
+fn renders_analytics_sections() {
+    let now = 2_000_000u64;
+    let mut log = String::new();
+    for i in 0..12u64 {
+        let t = now - (12 - i) * 3600;
+        let why = if i == 0 {
+            ",\"why\":\"clean code\""
+        } else {
+            ""
+        };
+        log.push_str(&format!(
+            "{{\"t\":{t},\"o\":\"rust\",\"d\":1,\"by\":\"nadia\"{why}}}\n"
+        ));
+    }
+    log.push_str(&format!(
+        "{{\"t\":{},\"o\":\"php\",\"d\":-1,\"by\":\"sam\",\"why\":\"footgun\"}}\n",
+        now - 1000
+    ));
+    let b = board_with_events("libera", r#"{"rust":12,"php":-1}"#, &log);
+    let html = render(&[b], now, Locale::En);
+    assert!(html.contains("rising this week"), "no rising strip");
+    assert!(html.contains("karma over time"), "no chart");
+    assert!(html.contains("most debated"), "no most-debated");
+    assert!(
+        html.contains("milestones") && html.contains("reached"),
+        "no milestones"
+    );
+    assert!(html.contains("recent reasons"), "no reasons wall");
+    assert!(
+        html.contains("clean code") && html.contains("footgun"),
+        "reasons missing"
+    );
+}
+
+#[test]
+fn render_json_is_machine_readable() {
+    let b = parse_board("libera", r#"{"rust":{"n":5,"why":"clean","by":"a"}}"#);
+    let j = render_json(&[b], 42);
+    assert!(j.contains("\"generated\":42"), "{j}");
+    assert!(j.contains("\"network\":\"libera\""), "{j}");
+    assert!(j.contains("\"thing\":\"rust\",\"karma\":5"), "{j}");
+    assert!(j.contains("\"reason\":\"clean\""), "{j}");
+}
+
 #[test]
 fn escapes_untrusted_irc_input_everywhere() {
     let log = "{\"t\":1,\"o\":\"<script>\",\"d\":1,\"by\":\"a&b\",\"why\":\"\\\"><img src=x>\"}\n";