constitution · epochs · watch · epoch 3

comparison

c_57453fc5c6c0 (tommy-mor) vs c_14dd365ffe22 (tommy-mor)

download prompt · raw event · cmp_84ce90364185e3

council reasoning

~anthropic/claude-sonnet-latest · winner A · 6:4 · permalink

Side A adds a self-contained, well-tested feature (garden ranking markdown copy) with unit tests, an integration test, a browser test, and updated docs, all without touching existing behavior. Side B mixes an undocumented removal of the theme-switching feature with a routing scheme change (query param → path-based /~/ URLs), which is riskier and less clearly scoped, and its terse '-theme' message reflects the lack of clarity in intent.

~x-ai/grok-latest · winner B · 2:5 · permalink

B establishes durable browse routing (`ItemId::browse_href` / `/~/…` paths, route wiring, parse fixes) and removes the whole theme cookie/endpoint/CSS fork in favor of one stylesheet—core navigation design. A is a solid, well-tested UX feature (CopyGardenRank + markdown formatter + UI/tests) but is incremental product surface on existing patterns, not structural lasting design.

openai/gpt-chat-latest · winner B · 3:2 · permalink

Side B makes a deeper architectural improvement by introducing canonical browse URLs (`/~/...`), centralizing URL generation/parsing in `ItemId::browse_href`/`from_browse_uri`, updating redirects and routing to use those helpers, and adding tests for the new navigation behavior. Side A adds a well-implemented clipboard feature for garden rankings with new UI actions, markdown formatting, permission checks, and tests, but it is primarily a user-facing convenience feature rather than a foundational routing and URL design change.

sides

A — c_57453fc5c6c0 (tommy-mor)

message

[8f6be6d0] Add copy button for garden rankings (markdown clipboard) (#168)

* Add garden ranking markdown copy button via POST /ui

Introduce HtmlUiAction::CopyGardenRank that rebuilds the visible child
ranking and returns JsBuilder clipboard JS (fetch → eval), matching
CopyThread. Place a copy control on garden ranking headings; clipboard
text is a concise markdown numbered list with unranked bullets.

Co-authored-by: tommy <thmorriss@gmail.com>

* Fix paren balance in garden ranking copy browser test

Co-authored-by: tommy <thmorriss@gmail.com>

---------

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

diff preview

diff --git a/agents.md b/agents.md
index 7d6fea5791f7c95677e17e8975a14df83f998fd6..1dc989e4b23071f2eef69f2479c9a1ca2bd04b32 100644
--- a/agents.md
+++ b/agents.md
@@ -40,6 +40,8 @@ Strict **CSP** that blocks `eval` would break the current app. Other projects ma
 
 - **Non-morph `POST /ui` responses:** **`SetGardenPin`** returns **`303 See Other`** and **`Set-Cookie`** (same as **`POST /theme`**). Garden pin/unpin is a normal **`<form method="POST" action="/ui" data-navigate="full">`** — browser navigation applies cookies reliably (see **`test/browser_garden_pin.clj`**). Each **`__rpc__`** payload includes **`form_action: "/ui"`**; **`post_ui_html`** rejects mismatches to bind tokens to the UI endpoint.
 
+- **`CopyGardenRank`:** Browser copy control on garden ranking headings. Returns **`text/javascript`** via **`JsBuilder::clipboard_write_text_and_label_btn`** (same **`fetch` → `eval`** loop as **`CopyThread`**). Payload includes **`room`**, **`parent_path`**, **`depth`**, **`copy_btn_id`**, and optional **`external_hosts`** (for **`/-/`** host-root indexes). Clipboard text is a concise markdown numbered list of display paths (plus unranked bullets).
+
 - **`VoteComparePost`:** On success returns **`text/javascript`** that **morphs** **`#vote-edge-history-region`** (recomputed **`<ul>`** — ratios match **`left`/`right`** query order, bullets, sorted by strength toward **`left`** then newer) and **`.vote-compare-nav`** (fresh next-pair link). The compare **`GET`** page uses **`layout_full_bleed_chromeless`** (no breadcrumbs, no **`#controls`**, no **`slug-pin-hud`**; **`view-vote-compare-fullscreen`** full-width **`body`**). **`__rpc__`** carries **`form_action: "/ui"`**; **`thread_tag`** and ratio fields come from the same form as **`$form`** holes. **Guests** on a shared pair see the compose UI with **`post vote`** as a link to **`/login?next=<pair path>`** (class **`vote-compare-login-cta`**); after OAuth / username selection they return to that matchup. An unauthenticated **`VoteComparePost`** (forged/stale form) still JS-redirects to the same **`/login?next=`** target.
 
 - **`ThreadGraduate` / `GraduateThread`:** Private-room forum threads with **Manage** can be published to the public site under the same tag. The writer replays non-redacted ingests into **`room: public`** (chronological order), then appends a durable **`ThreadGraduated`** marker. Graduated private threads show a banner linking to public **`/t/:tag`**, block further private posts, and cannot be graduated twice. CLI: **`npx slugsocial private <room> forum graduate <tag>`**; RPC: **`ThreadGraduate`**.
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index b4a0c9e87e462050bd52728e49e0d6781bf1cfc8..611956d0a46062b49ce350be176e4be139312ff0 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -24,9 +24,9 @@ use crate::{
         external_resolver_status_markup, fragment_new_thread_slot, login_to_post_hint_markup,
         parse_html_ui_from_form, room_members_section_markup, thread_feed_html,
         thread_feed_html_for_room, thread_feed_region_markup, thread_ui_collapse_redacted_post,
-        thread_ui_copy_thread,
-        thread_ui_expand_post_full, thread_ui_expand_redacted_post, ui_js_warn, user_can_post_room,
-        user_can_view_room, HtmlUiAction, JsBuilder, ThreadNav,
+        garden_ui_copy_rank, thread_ui_copy_thread, thread_ui_expand_post_full,
+        thread_ui_expand_redacted_post, ui_js_warn, user_can_post_room, user_can_view_room,
+        HtmlUiAction, JsBuilder, ThreadNav,
     },
     reducer::{scope_from_room_wire, ScopeId},
     state::AppState,
@@ -575,6 +575,25 @@ async fn dispatch_ui_action(
             let viewer = session.map(|s| s.username.as_str());
             thread_ui_copy_thread(state, &room, &thread_tag, &copy_btn_id, viewer).await
         }
+        HtmlUiAction::CopyGardenRank {
+            room,
+            parent_path,
+            depth,
+            copy_btn_id,
+            external_hosts,
+        } => {
+            let viewer = session.map(|s| s.username.as_str());
+            garden_ui_copy_rank(
+                state,
+                &room,
+                &parent_path,
+                depth,
+                &copy_btn_id,
+                external_hosts,
+                viewer,
+            )
+            .await
+        }
         HtmlUiAction::GraduateThread { room, thread_tag } => {
             let Some(session) = session else {
                 return js_redirect("/login").into_response();
diff --git a/server/src/html/garden/copy.rs b/server/src/html/garden/copy.rs
new file mode 100644
index 0000000000000000000000000000000000000000..271ea87c34c99e23ab1b0d8572632fdc41380b78
--- /dev/null
+++ b/server/src/html/garden/copy.rs
@@ -0,0 +1,199 @@
+//! Copy garden rankings to the clipboard as concise markdown (POST /ui + JsBuilder eval).
+
+use crate::form_template::template_json_compact;
+use crate::html::forum::ThreadNav;
+use crate::html::js_string_literal;
+use crate::html::ui_action::HtmlUiAction;
+use crate::html::{JsBuilder, ui_js_warn};
+use crate::path_types::ItemId;
+use crate::reducer::scope_from_room_wire;
+use crate::scope_rank::{
+    build_children_rankings, build_rankings_for_item_set, external_root_host_items,
+    resolve_scope_recursive, ChildrenRankings,
+};
+use crate::state::AppState;
+use maud::{html, Markup};
+
+use super::access::user_can_view_room;
+use super::item::item_display_path;
+use crate::reducer::{ContentState, ScopeId};
+
+const COPY_BTN_ID: &str = "garden-rank-copy";
+
+/// `POST /ui` + `__rpc__` from an inline button; response body is `eval`'d (same as forum copy).
+fn garden_ui_fetch_onclick(rpc_compact_json: &str) -> String {
+    format!(
+        "fetch('/ui',{{method:'POST',headers:{{'Content-Type':'application/x-www-form-urlencoded'}},body:new URLSearchParams({{__rpc__:{}}}).toString(),credentials:'same-origin'}}).then(r=>r.text()).then(eval);return false",
+        js_string_literal(rpc_compact_json)
+    )
+}
+
+/// Concise markdown for ranked child groups (numbered lists + unranked bullets).
+pub(crate) fn format_garden_rank_markdown(rankings: &ChildrenRankings) -> String {
+    let mut out = String::new();
+    let multi = rankings.component_rankings.len() > 1;
+    for (ci, comp) in rankings.component_rankings.iter().enumerate() {
+        if ci > 0 {
+            out.push('\n');
+        }
+        if multi {
+            out.push_str(&format!("### ordering {}\n\n", ci + 1));
+        }
+        for (i, r) in comp.ranked.iter().enumerate() {
+            out.push_str(&format!(
+                "{}. {}\n",
+                i + 1,
+                item_display_path(r.item.as_str())
+            ));
+        }
+    }
+    if !rankings.unranked_items.is_empty() {
+        if !out.is_empty() {
+            out.push('\n');
+        }
+        for name in &rankings.unranked_items {
+            out.push_str(&format!("- {}\n", item_display_path(name.as_str())));
+        }
+    }
+    out
+}
+
+fn rankings_for_copy(
+    state_content: &crate::reducer::ContentState,
+    parent_path: &str,
+    depth: usize,
+    external_hosts: bool,
+) -> ChildrenRankings {
+    if external_hosts {
+        let hosts = external_root_host_items(state_content);
+        return build_rankings_for_item_set(state_content, &hosts);
+    }
+    let parent = ItemId::parse(parent_path.trim())
+        .unwrap_or_else(|| ItemId::ontology_root())
+        .normalized_storage();
+    let depth = depth.clamp(1, 5);
+    if depth > 1 {
+        let items = resolve_scope_recursive(state_content, &[parent.as_str().to_string()], depth);
+        build_rankings_for_item_set(state_content, &items)
+    } else {
+        build_children_rankings(state_content, &parent)
+    }
+}
+
+pub(crate) async fn garden_ui_copy_rank(
+    state: &AppState,
+    room: &str,
+    parent_path: &str,
+    depth: usize,
+    copy_btn_id: &str,
+    external_hosts: bool,
+    viewer: Option<&str>,
+) -> axum::response::Response {
+    let room = room.trim();
+    let scope = scope_from_room_wire(room);
+    if let ScopeId::Room(ref rid) = scope {
+        let reduced = state.reduced.read().await;
+        if !user_can_view_room(&reduced, rid, viewer) {
+            return ui_js_warn("forbidden");
+        }
+    }
+
+    let reduced = state.reduced.read().await;
+    let empty = ContentState::default();
+    let content = match &scope {
+        ScopeId::Public => reduced.public(),
+        ScopeId::Room(_) => reduced.content_for_scope(&scope).unwrap_or(&empty),
+    };
+    let rankings = rankings_for_copy(content, parent_path, depth, external_hosts);
+    let text = format_garden_rank_markdown(&rankings);
+    drop(reduced);
+
+    if text.is_empty() {
+        return ui_js_warn("nothing to copy");
+    }
+
+    JsBuilder::new()
+        .clipboard_write_text_and_label_btn(&text, copy_btn_id, "copied")
+        .into_response()
+}
+
+pub(super) fn garden_rank_copy_button_markup(
+    nav: &ThreadNav,
+    parent_path: &str,
+    depth: usize,
+    external_hosts: bool,
+) -> Markup {
+    let rpc = template_json_compact(&HtmlUiAction::CopyGardenRank {
+        room: nav.room_wire.clone(),
+        parent_path: parent_path.to_string(),
+        depth,
+        copy_btn_id: COPY_BTN_ID.to_string(),
+        external_hosts,
+    })
+    .expect("CopyGardenRank serializes");
+    html! {
+        button type="button" id=(COPY_BTN_ID) class="post-nav-btn ont-rank-copy-btn" title="Copy ranking as markdown"
+            onclick=(garden_ui_fetch_onclick(&rpc)) {
+            "copy"
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::path_types::ItemId;
+    use crate::ranking::RankedItem;
+    use crate::scope_rank::ScopedComponent;
+
+    #[test]
+    fn markdown_single_component_and_unranked() {
+        let rankings = ChildrenRankings {
+            component_rankings: vec![ScopedComponent {
+                pairs: 1,
+                ranked: vec![
+                    RankedItem {
+                        item: ItemId::parse("~/a").unwrap(),
+                        score: 0.9,
+                    },
+                    RankedItem {
+                        item: ItemId::parse("~/b").unwrap(),
+                        score: 0.1,
+                    },
+                ],
+            }],
+            unranked_items: vec![ItemId::parse("~/c").unwrap()],
+        };
+        assert_eq!(
+            format_garden_rank_markdown(&rankings),
+            "1. ~/a\n2. ~/b\n\n- ~/c\n"
+        );
+    }
+
+    #[test]
+    fn markdown_multi_component_headers() {
+        let rankings = ChildrenRankings {
+            component_rankings: vec![
+                ScopedComponent {
+                    pairs: 1,
+                    ranked: vec![RankedItem {
+                        item: ItemId::parse("~/a").unwrap(),
+                        score: 1.0,
+                    }],
+                },
+                ScopedComponent {
+                    pairs: 1,
+                    ranked: vec![RankedItem {
+                        item: ItemId::parse("~/b").unwrap(),
+                        score: 1.0,
+                    }],
+                },
+            ],
+            unranked_items: vec![],
+        };
+        assert_eq!(
+            format_garden_rank_markdown(&rankings),
+            "### ordering 1\n\n1. ~/a\n\n### ordering 2\n\n1. ~/b\n"
+        );
+    }
+}
diff --git a/server/src/html/garden/mod.rs b/server/src/html/garden/mod.rs
index ee8696727e5473fe1fa913b8a7b9f3cb9c32d12f..69012a2c1d069e47fa611d63d3bd2a329fd6255d 100644
--- a/server/src/html/garden/mod.rs
+++ b/server/src/html/garden/mod.rs
@@ -2,6 +2,7 @@
 
 mod access;
 mod browse;
+mod copy;
 mod external;
 mod item;
 mod item_page;
@@ -13,6 +14,7 @@ mod vote;
 #[cfg(test)]
 mod tests;
 
+pub(crate) use copy::garden_ui_copy_rank;
 pub(crate) use external::external_resolver_status_markup;
 pub(crate) use pin::{encode_

… preview truncated; 12,313 characters omitted

download full diff A

B — c_14dd365ffe22 (tommy-mor)

message

[8d5328d3] -theme

diff preview

diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index 82b2aa51d21ada1d0d849d3ddfc3a81e4241d861..e74e42e0f0ffc4224f5ef5421b486a5f35434999 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -73,11 +73,7 @@ pub async fn post_ui_html(
                     ensure_partial_tree(&mut tree, &item);
                 }
                 let _ = state.ensure_node(&item).await;
-                let dest = if item.is_root() {
-                    "/".to_string()
-                } else {
-                    format!("/?item={}", item.as_str())
-                };
+                let dest = item.browse_href();
                 JsBuilder::new()
                     .raw(&format!(
                         "window.location.href={};",
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index c973cb718ac74b95570dabea76e24459417790b9..a8353c6de0cd6d268219e552b7ca1ba4e3000585 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -1,13 +1,10 @@
 use axum::{
     body::Body,
     extract::{Path, State},
-    http::{header, HeaderValue, StatusCode, Uri},
+    http::{header, StatusCode, Uri},
     response::{IntoResponse, Response},
-    Form,
 };
-use axum_extra::extract::cookie::CookieJar;
 use maud::{html, Markup, DOCTYPE};
-use serde::Deserialize;
 
 use crate::{
     form_template::template_json_compact,
@@ -15,96 +12,25 @@ use crate::{
     path_types::ItemId,
     ranking::{top_bottom, RankedItem},
     reducer::{GroupState, NodeState},
-    state::{parse_item_param, AppState},
+    state::AppState,
     ui_action::UI_RPC_FIELD,
 };
 
-const THEME_DEFAULT_CSS: &str = include_str!("../../static/theme_default.css");
-const THEME_RETRO_CSS: &str = include_str!("../../static/theme_retro.css");
+const SORTER_CSS: &str = include_str!("../../static/sorter.css");
 const SORTER_UI_JS: &str = include_str!("../../static/sorter_ui.js");
 
-pub const SORTER_THEME_COOKIE: &str = "sorter-theme";
-
-pub fn normalize_theme(raw: &str) -> &'static str {
-    match raw {
-        "retro" => "retro",
-        _ => "default",
-    }
-}
-
-pub fn theme_from_jar(jar: &CookieJar) -> &'static str {
-    jar.get(SORTER_THEME_COOKIE)
-        .map(|c| normalize_theme(c.value()))
-        .unwrap_or("default")
-}
-
-pub fn theme_next_from_uri(uri: &Uri) -> String {
-    uri.path_and_query()
-        .map(|pq| pq.as_str().to_string())
-        .filter(|s| !s.is_empty())
-        .unwrap_or_else(|| "/".to_string())
-}
-
-pub fn theme_cookie_header_value(theme: &str) -> HeaderValue {
-    let t = normalize_theme(theme);
-    let s = format!("{SORTER_THEME_COOKIE}={t}; Path=/; SameSite=Lax; Max-Age=31536000");
-    HeaderValue::from_str(&s).expect("theme cookie must be ASCII")
-}
-
-fn sanitize_theme_next(next: Option<&str>) -> String {
-    let s = next.unwrap_or("/").trim();
-    if s.starts_with('/') && !s.starts_with("//") && s.len() < 8192 {
-        s.to_string()
-    } else {
-        "/".to_string()
-    }
-}
-
-#[derive(Debug, Deserialize)]
-pub struct ThemeForm {
-    theme: String,
-    next: Option<String>,
-}
-
-pub async fn post_theme(Form(form): Form<ThemeForm>) -> impl IntoResponse {
-    let theme = normalize_theme(&form.theme);
-    let next = sanitize_theme_next(form.next.as_deref());
-    let loc =
-        HeaderValue::try_from(next.as_str()).unwrap_or_else(|_| HeaderValue::from_static("/"));
-    Response::builder()
-        .status(StatusCode::SEE_OTHER)
-        .header(header::LOCATION, loc)
-        .header(header::SET_COOKIE, theme_cookie_header_value(theme))
-        .body(Body::empty())
-        .expect("theme redirect response")
-}
-
 pub async fn serve_static(Path(filename): Path<String>) -> impl IntoResponse {
-    if filename == "sorter_ui.js" {
-        return Response::builder()
-            .status(StatusCode::OK)
-            .header(header::CONTENT_TYPE, "text/javascript; charset=utf-8")
-            .header(header::CACHE_CONTROL, "public, max-age=3600")
-            .body(SORTER_UI_JS.to_string())
-            .unwrap()
-            .into_response();
-    }
-
-    let theme = filename
-        .strip_prefix("theme_")
-        .and_then(|s| s.strip_suffix(".css"));
-
-    let css = match theme {
-        Some("default") => THEME_DEFAULT_CSS,
-        Some("retro") => THEME_RETRO_CSS,
+    let (content_type, body) = match filename.as_str() {
+        "sorter.css" => ("text/css; charset=utf-8", SORTER_CSS),
+        "sorter_ui.js" => ("text/javascript; charset=utf-8", SORTER_UI_JS),
         _ => return (StatusCode::NOT_FOUND, "static file not found").into_response(),
     };
 
     Response::builder()
         .status(StatusCode::OK)
-        .header(header::CONTENT_TYPE, "text/css; charset=utf-8")
+        .header(header::CONTENT_TYPE, content_type)
         .header(header::CACHE_CONTROL, "public, max-age=3600")
-        .body(css.to_string())
+        .body(body.to_string())
         .unwrap()
         .into_response()
 }
@@ -162,8 +88,7 @@ fn asset_version() -> &'static str {
     V.get_or_init(|| {
         use std::hash::{Hash, Hasher};
         let mut h = std::collections::hash_map::DefaultHasher::new();
-        THEME_DEFAULT_CSS.hash(&mut h);
-        THEME_RETRO_CSS.hash(&mut h);
+        SORTER_CSS.hash(&mut h);
         SORTER_UI_JS.hash(&mut h);
         format!("{:x}", h.finish())
     })
@@ -176,9 +101,9 @@ pub fn now_ms() -> i64 {
     t.as_millis() as i64
 }
 
-fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) -> Markup {
+fn layout(title: &str, body: Markup, views: u64) -> Markup {
     let ver = asset_version();
-    let css_href = format!("/static/theme_{theme}.css?v={ver}");
+    let css_href = format!("/static/sorter.css?v={ver}");
     let js_src = format!("/static/sorter_ui.js?v={ver}");
     html! {
         (DOCTYPE)
@@ -187,7 +112,7 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)
                 meta charset="utf-8";
                 meta name="viewport" content="width=device-width, initial-scale=1";
                 title { (title) }
-                link rel="stylesheet" href=(css_href) id="theme-stylesheet";
+                link rel="stylesheet" href=(css_href);
                 script src="https://unpkg.com/idiomorph@0.3.0/dist/idiomorph.min.js" {}
             }
             body class="home" {
@@ -196,21 +121,6 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)
                 }
                 div id="errors" {}
                 (body)
-                div id="controls" {
-                    a href="https://github.com/sortersocial/sorter2" id="src-link" { "src" }
-                    form id="sorter-theme-form" method="post" action="/theme" data-navigate="full" {
-                        input type="hidden" name="next" value=(theme_next);
-                        select id="theme-select" name="theme" onchange="this.form.submit()" aria-label="Theme" {
-                            @for (val, label) in [("default", "default"), ("retro", "retro")] {
-                                @if theme == val {
-                                    option value=(val) selected { (label) }
-                                } @else {
-                                    option value=(val) { (label) }
-                                }
-                            }
-                        }
-                    }
-                }
                 script src=(js_src) {}
             }
         }
@@ -218,11 +128,7 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)
 }
 
 fn item_href(id: &ItemId) -> String {
-    if id.is_root() {
-        "/".to_string()
-    } else {
-        format!("/?item={}", id.as_str())
-    }
+    id.browse_href()
 }
 
 fn segment_label(seg: &str) -> &str {
@@ -361,39 +267,10 @@ pub fn vote_panel(parent: &ItemId) -> Markup {
 }
 
 
-fn query_param(uri: &Uri, key: &str) -> Option<String> {
-    let q = uri.query()?;
-    q.split('&').find_map(|pair| {
-        let mut it = pair.splitn(2, '=');
-        if it.next()? == key {
-            Some(it.next().unwrap_or("").to_string())
-        } else {
-            None
-        }
-    })
-}
-
-pub async fn home(
-    State(state): State<AppState>,
-    jar: CookieJar,
-    uri: Uri,
-) -> impl IntoResponse {
+async fn item_page(state: AppState, uri: Uri, item: ItemId) -> Markup {
     let path = uri.path().to_string();
     state.views.increment(path.clone());
     let views = state.views.get_views(&path);
-    let theme = theme_from_jar(&jar);
-    let theme_next = theme_next_from_uri(&uri);
-
-    let item_raw = query_param(&uri, "item")
-        .or_else(|| query_param(&uri, "sub").map(|sub| {
-            if sub.is_empty() {
-                String::new()
-            } else {
-                format!("reddit.com/r/{sub}")
-            }
-        }))
-        .unwrap_or_default();
-    let item = parse_item_param(&item_raw);
 
     let tree = state.tree.read().await;
     let empty_node = NodeState::default();
@@ -408,5 +285,14 @@ pub async fn home(
         (vote_panel(&item))
         (ranking_panel(&item, group))
     };
-    layout("sorter2", body, views, theme, &theme_next)
+    layout("sorter2", body, views)
+}
+
+pub async fn home(State(state): State<AppState>, uri: Uri) -> impl IntoResponse {
+    item_page(state, uri, ItemId::root()).await
+}
+
+pub async fn browse(State(state): State<AppState>, uri: Uri) -> impl IntoResponse {
+    let item = ItemId::from_browse_uri(uri.path()).unwrap_or(ItemId::root());
+    item_page(state, uri, item).await
 }
diff --git a/server/src/lib.rs b/server/src/lib.rs
index 14e7cfbc38feb5d07aff859b64bce6e2ec45cf91..cd56743192919cf4dcea539b3d8873a21fb7e72b 100644
--- a/server/src/lib.rs
+++ b/server/src/lib.rs
@@ -30,9 +30,9 @@ pub fn create_app(state: AppState) -> Router {
     Router::new()
         .route("/healthz", get(|| async { "ok" }))
         .route("/static/:filename", get(crate::html::serve_static))
+        .route("/~/*item_path", get(crate::html::browse))
         .route("/", get(crate::html::home))
         .route("/ui", post(crate::api::ui_html::post_ui_html))
-        .route("/theme", post(crate::html::post_theme))
         .with_state(state)
         .layer(TraceLayer::new_for_http())
 }
diff --git a/server/src/path_types.rs b/server/src/path_types.rs
index b5c41444f7bcd4d8d289ed3af464bc3f14d0df99..12dce9888f5cd4e1a0974d12d6468368d0f775b9 100644
--- a/server/src/path_types.rs
+++ b/server/src/path_types.rs
@@ -90,6 +90,50 @@ impl ItemId {
         paths
     }
 
+    /// Full URL for the browser location bar after `/~/`.
+    pub fn to_browse_url(&self) -> String {
+        if self.is_root() {
+            return String::new();
+        }
+        if self.as_str().contains("://") {
+            return self.as_str().to_string();
+        }
+        if self
+            .segments()
+            .first()
+            .is_some_and(|s| s.contains('.'))
+        {
+            format!("https://{}", self.as_str())
+        } else {
+            self.as_str().to_string()
+        }
+    }
+
+    /// App route, e.g. `/~/https://reddit.com/r/rust`.
+    pub fn browse_href(&self) -> String {
+        if self.is_root() {
+            "/".to_string()
+        } else {
+            format!("/~/{}", self.to_browse_url())
+        }
+    }
+
+    /// Parse the tail after `/~/` in a request path.
+    pub fn from_browse_tail(tail: &str) -> ItemId {
+        let raw = normalize_browse_tail(tail);
+        if raw.is_empty() {
+            return ItemId::root();
+        }
+        ItemId::from_url(&raw)
+            .or_else(|| ItemId::parse(&raw))
+            .unwrap_or_else(|| ItemId::opaque(raw))
+    }
+
+    pub fn from_browse_uri(path: &str) -> Option<ItemId> {
+        path.strip_prefix("/~/")
+            .map(ItemId::from_browse_tail)
+    }
+
     fn canonicalize(raw: &str) -> Option<String> {
         let s = raw.trim();
         if s.is_empty() {
@@ -155

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