{"messages":[{"content":"You are a constitutional council ranking individual git commits for ownership allocation.\n\nCompare these two commits. Decide which contributed more lasting value to the project.\n\nJudge substance, not spectacle:\n- Prefer correct, lasting design and real bugfixes over churn, formatting, renames, or generated noise.\n- Prefer clarity and necessity over sheer line count. A small precise change can beat a large diffuse one.\n- Do not favor a side merely because its patch is longer or noisier.\n- Weight what the change does for the project, not the contributor's name.\n\nReturn ONLY a JSON object: {\"winner\": \"A\" or \"B\", \"ratio\": \"N:M\", \"explanation\": \"...\"}\nThe explanation must cite concrete differences in the patches (1-3 sentences).\n\nSide A — contributor: tommy-mor\nSide A — commit message:\n[8d5328d3] -theme\n\nSide A — unified diff (full patch):\ndiff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs\nindex 82b2aa51d21ada1d0d849d3ddfc3a81e4241d861..e74e42e0f0ffc4224f5ef5421b486a5f35434999 100644\n--- a/server/src/api/ui_html.rs\n+++ b/server/src/api/ui_html.rs\n@@ -73,11 +73,7 @@ pub async fn post_ui_html(\n                     ensure_partial_tree(&mut tree, &item);\n                 }\n                 let _ = state.ensure_node(&item).await;\n-                let dest = if item.is_root() {\n-                    \"/\".to_string()\n-                } else {\n-                    format!(\"/?item={}\", item.as_str())\n-                };\n+                let dest = item.browse_href();\n                 JsBuilder::new()\n                     .raw(&format!(\n                         \"window.location.href={};\",\ndiff --git a/server/src/html/mod.rs b/server/src/html/mod.rs\nindex c973cb718ac74b95570dabea76e24459417790b9..a8353c6de0cd6d268219e552b7ca1ba4e3000585 100644\n--- a/server/src/html/mod.rs\n+++ b/server/src/html/mod.rs\n@@ -1,13 +1,10 @@\n use axum::{\n     body::Body,\n     extract::{Path, State},\n-    http::{header, HeaderValue, StatusCode, Uri},\n+    http::{header, StatusCode, Uri},\n     response::{IntoResponse, Response},\n-    Form,\n };\n-use axum_extra::extract::cookie::CookieJar;\n use maud::{html, Markup, DOCTYPE};\n-use serde::Deserialize;\n \n use crate::{\n     form_template::template_json_compact,\n@@ -15,96 +12,25 @@ use crate::{\n     path_types::ItemId,\n     ranking::{top_bottom, RankedItem},\n     reducer::{GroupState, NodeState},\n-    state::{parse_item_param, AppState},\n+    state::AppState,\n     ui_action::UI_RPC_FIELD,\n };\n \n-const THEME_DEFAULT_CSS: &str = include_str!(\"../../static/theme_default.css\");\n-const THEME_RETRO_CSS: &str = include_str!(\"../../static/theme_retro.css\");\n+const SORTER_CSS: &str = include_str!(\"../../static/sorter.css\");\n const SORTER_UI_JS: &str = include_str!(\"../../static/sorter_ui.js\");\n \n-pub const SORTER_THEME_COOKIE: &str = \"sorter-theme\";\n-\n-pub fn normalize_theme(raw: &str) -> &'static str {\n-    match raw {\n-        \"retro\" => \"retro\",\n-        _ => \"default\",\n-    }\n-}\n-\n-pub fn theme_from_jar(jar: &CookieJar) -> &'static str {\n-    jar.get(SORTER_THEME_COOKIE)\n-        .map(|c| normalize_theme(c.value()))\n-        .unwrap_or(\"default\")\n-}\n-\n-pub fn theme_next_from_uri(uri: &Uri) -> String {\n-    uri.path_and_query()\n-        .map(|pq| pq.as_str().to_string())\n-        .filter(|s| !s.is_empty())\n-        .unwrap_or_else(|| \"/\".to_string())\n-}\n-\n-pub fn theme_cookie_header_value(theme: &str) -> HeaderValue {\n-    let t = normalize_theme(theme);\n-    let s = format!(\"{SORTER_THEME_COOKIE}={t}; Path=/; SameSite=Lax; Max-Age=31536000\");\n-    HeaderValue::from_str(&s).expect(\"theme cookie must be ASCII\")\n-}\n-\n-fn sanitize_theme_next(next: Option<&str>) -> String {\n-    let s = next.unwrap_or(\"/\").trim();\n-    if s.starts_with('/') && !s.starts_with(\"//\") && s.len() < 8192 {\n-        s.to_string()\n-    } else {\n-        \"/\".to_string()\n-    }\n-}\n-\n-#[derive(Debug, Deserialize)]\n-pub struct ThemeForm {\n-    theme: String,\n-    next: Option<String>,\n-}\n-\n-pub async fn post_theme(Form(form): Form<ThemeForm>) -> impl IntoResponse {\n-    let theme = normalize_theme(&form.theme);\n-    let next = sanitize_theme_next(form.next.as_deref());\n-    let loc =\n-        HeaderValue::try_from(next.as_str()).unwrap_or_else(|_| HeaderValue::from_static(\"/\"));\n-    Response::builder()\n-        .status(StatusCode::SEE_OTHER)\n-        .header(header::LOCATION, loc)\n-        .header(header::SET_COOKIE, theme_cookie_header_value(theme))\n-        .body(Body::empty())\n-        .expect(\"theme redirect response\")\n-}\n-\n pub async fn serve_static(Path(filename): Path<String>) -> impl IntoResponse {\n-    if filename == \"sorter_ui.js\" {\n-        return Response::builder()\n-            .status(StatusCode::OK)\n-            .header(header::CONTENT_TYPE, \"text/javascript; charset=utf-8\")\n-            .header(header::CACHE_CONTROL, \"public, max-age=3600\")\n-            .body(SORTER_UI_JS.to_string())\n-            .unwrap()\n-            .into_response();\n-    }\n-\n-    let theme = filename\n-        .strip_prefix(\"theme_\")\n-        .and_then(|s| s.strip_suffix(\".css\"));\n-\n-    let css = match theme {\n-        Some(\"default\") => THEME_DEFAULT_CSS,\n-        Some(\"retro\") => THEME_RETRO_CSS,\n+    let (content_type, body) = match filename.as_str() {\n+        \"sorter.css\" => (\"text/css; charset=utf-8\", SORTER_CSS),\n+        \"sorter_ui.js\" => (\"text/javascript; charset=utf-8\", SORTER_UI_JS),\n         _ => return (StatusCode::NOT_FOUND, \"static file not found\").into_response(),\n     };\n \n     Response::builder()\n         .status(StatusCode::OK)\n-        .header(header::CONTENT_TYPE, \"text/css; charset=utf-8\")\n+        .header(header::CONTENT_TYPE, content_type)\n         .header(header::CACHE_CONTROL, \"public, max-age=3600\")\n-        .body(css.to_string())\n+        .body(body.to_string())\n         .unwrap()\n         .into_response()\n }\n@@ -162,8 +88,7 @@ fn asset_version() -> &'static str {\n     V.get_or_init(|| {\n         use std::hash::{Hash, Hasher};\n         let mut h = std::collections::hash_map::DefaultHasher::new();\n-        THEME_DEFAULT_CSS.hash(&mut h);\n-        THEME_RETRO_CSS.hash(&mut h);\n+        SORTER_CSS.hash(&mut h);\n         SORTER_UI_JS.hash(&mut h);\n         format!(\"{:x}\", h.finish())\n     })\n@@ -176,9 +101,9 @@ pub fn now_ms() -> i64 {\n     t.as_millis() as i64\n }\n \n-fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) -> Markup {\n+fn layout(title: &str, body: Markup, views: u64) -> Markup {\n     let ver = asset_version();\n-    let css_href = format!(\"/static/theme_{theme}.css?v={ver}\");\n+    let css_href = format!(\"/static/sorter.css?v={ver}\");\n     let js_src = format!(\"/static/sorter_ui.js?v={ver}\");\n     html! {\n         (DOCTYPE)\n@@ -187,7 +112,7 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)\n                 meta charset=\"utf-8\";\n                 meta name=\"viewport\" content=\"width=device-width, initial-scale=1\";\n                 title { (title) }\n-                link rel=\"stylesheet\" href=(css_href) id=\"theme-stylesheet\";\n+                link rel=\"stylesheet\" href=(css_href);\n                 script src=\"https://unpkg.com/idiomorph@0.3.0/dist/idiomorph.min.js\" {}\n             }\n             body class=\"home\" {\n@@ -196,21 +121,6 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)\n                 }\n                 div id=\"errors\" {}\n                 (body)\n-                div id=\"controls\" {\n-                    a href=\"https://github.com/sortersocial/sorter2\" id=\"src-link\" { \"src\" }\n-                    form id=\"sorter-theme-form\" method=\"post\" action=\"/theme\" data-navigate=\"full\" {\n-                        input type=\"hidden\" name=\"next\" value=(theme_next);\n-                        select id=\"theme-select\" name=\"theme\" onchange=\"this.form.submit()\" aria-label=\"Theme\" {\n-                            @for (val, label) in [(\"default\", \"default\"), (\"retro\", \"retro\")] {\n-                                @if theme == val {\n-                                    option value=(val) selected { (label) }\n-                                } @else {\n-                                    option value=(val) { (label) }\n-                                }\n-                            }\n-                        }\n-                    }\n-                }\n                 script src=(js_src) {}\n             }\n         }\n@@ -218,11 +128,7 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)\n }\n \n fn item_href(id: &ItemId) -> String {\n-    if id.is_root() {\n-        \"/\".to_string()\n-    } else {\n-        format!(\"/?item={}\", id.as_str())\n-    }\n+    id.browse_href()\n }\n \n fn segment_label(seg: &str) -> &str {\n@@ -361,39 +267,10 @@ pub fn vote_panel(parent: &ItemId) -> Markup {\n }\n \n \n-fn query_param(uri: &Uri, key: &str) -> Option<String> {\n-    let q = uri.query()?;\n-    q.split('&').find_map(|pair| {\n-        let mut it = pair.splitn(2, '=');\n-        if it.next()? == key {\n-            Some(it.next().unwrap_or(\"\").to_string())\n-        } else {\n-            None\n-        }\n-    })\n-}\n-\n-pub async fn home(\n-    State(state): State<AppState>,\n-    jar: CookieJar,\n-    uri: Uri,\n-) -> impl IntoResponse {\n+async fn item_page(state: AppState, uri: Uri, item: ItemId) -> Markup {\n     let path = uri.path().to_string();\n     state.views.increment(path.clone());\n     let views = state.views.get_views(&path);\n-    let theme = theme_from_jar(&jar);\n-    let theme_next = theme_next_from_uri(&uri);\n-\n-    let item_raw = query_param(&uri, \"item\")\n-        .or_else(|| query_param(&uri, \"sub\").map(|sub| {\n-            if sub.is_empty() {\n-                String::new()\n-            } else {\n-                format!(\"reddit.com/r/{sub}\")\n-            }\n-        }))\n-        .unwrap_or_default();\n-    let item = parse_item_param(&item_raw);\n \n     let tree = state.tree.read().await;\n     let empty_node = NodeState::default();\n@@ -408,5 +285,14 @@ pub async fn home(\n         (vote_panel(&item))\n         (ranking_panel(&item, group))\n     };\n-    layout(\"sorter2\", body, views, theme, &theme_next)\n+    layout(\"sorter2\", body, views)\n+}\n+\n+pub async fn home(State(state): State<AppState>, uri: Uri) -> impl IntoResponse {\n+    item_page(state, uri, ItemId::root()).await\n+}\n+\n+pub async fn browse(State(state): State<AppState>, uri: Uri) -> impl IntoResponse {\n+    let item = ItemId::from_browse_uri(uri.path()).unwrap_or(ItemId::root());\n+    item_page(state, uri, item).await\n }\ndiff --git a/server/src/lib.rs b/server/src/lib.rs\nindex 14e7cfbc38feb5d07aff859b64bce6e2ec45cf91..cd56743192919cf4dcea539b3d8873a21fb7e72b 100644\n--- a/server/src/lib.rs\n+++ b/server/src/lib.rs\n@@ -30,9 +30,9 @@ pub fn create_app(state: AppState) -> Router {\n     Router::new()\n         .route(\"/healthz\", get(|| async { \"ok\" }))\n         .route(\"/static/:filename\", get(crate::html::serve_static))\n+        .route(\"/~/*item_path\", get(crate::html::browse))\n         .route(\"/\", get(crate::html::home))\n         .route(\"/ui\", post(crate::api::ui_html::post_ui_html))\n-        .route(\"/theme\", post(crate::html::post_theme))\n         .with_state(state)\n         .layer(TraceLayer::new_for_http())\n }\ndiff --git a/server/src/path_types.rs b/server/src/path_types.rs\nindex b5c41444f7bcd4d8d289ed3af464bc3f14d0df99..12dce9888f5cd4e1a0974d12d6468368d0f775b9 100644\n--- a/server/src/path_types.rs\n+++ b/server/src/path_types.rs\n@@ -90,6 +90,50 @@ impl ItemId {\n         paths\n     }\n \n+    /// Full URL for the browser location bar after `/~/`.\n+    pub fn to_browse_url(&self) -> String {\n+        if self.is_root() {\n+            return String::new();\n+        }\n+        if self.as_str().contains(\"://\") {\n+            return self.as_str().to_string();\n+        }\n+        if self\n+            .segments()\n+            .first()\n+            .is_some_and(|s| s.contains('.'))\n+        {\n+            format!(\"https://{}\", self.as_str())\n+        } else {\n+            self.as_str().to_string()\n+        }\n+    }\n+\n+    /// App route, e.g. `/~/https://reddit.com/r/rust`.\n+    pub fn browse_href(&self) -> String {\n+        if self.is_root() {\n+            \"/\".to_string()\n+        } else {\n+            format!(\"/~/{}\", self.to_browse_url())\n+        }\n+    }\n+\n+    /// Parse the tail after `/~/` in a request path.\n+    pub fn from_browse_tail(tail: &str) -> ItemId {\n+        let raw = normalize_browse_tail(tail);\n+        if raw.is_empty() {\n+            return ItemId::root();\n+        }\n+        ItemId::from_url(&raw)\n+            .or_else(|| ItemId::parse(&raw))\n+            .unwrap_or_else(|| ItemId::opaque(raw))\n+    }\n+\n+    pub fn from_browse_uri(path: &str) -> Option<ItemId> {\n+        path.strip_prefix(\"/~/\")\n+            .map(ItemId::from_browse_tail)\n+    }\n+\n     fn canonicalize(raw: &str) -> Option<String> {\n         let s = raw.trim();\n         if s.is_empty() {\n@@ -155,6 +199,21 @@ fn normalize_host(host: &str) -> String {\n     }\n }\n \n+fn normalize_browse_tail(tail: &str) -> String {\n+    let t = tail.trim();\n+    if t.is_empty() {\n+        return String::new();\n+    }\n+    // Some HTTP stacks collapse `https://` → `https:/` inside a path segment.\n+    if t.starts_with(\"https:/\") && !t.starts_with(\"https://\") {\n+        return format!(\"https://{}\", &t[7..]);\n+    }\n+    if t.starts_with(\"http:/\") && !t.starts_with(\"http://\") {\n+        return format!(\"http://{}\", &t[6..]);\n+    }\n+    t.to_string()\n+}\n+\n fn normalize_reddit_host_path(s: &str) -> String {\n     let (host, path) = s.split_once('/').unwrap_or((s, \"\"));\n     let host = normalize_host(host);\n@@ -252,4 +311,22 @@ mod tests {\n         );\n         assert!(ItemId::from_legacy_scope(\"\").is_root());\n     }\n+\n+    #[test]\n+    fn browse_href_wraps_canonical_path() {\n+        let id = ItemId::parse(\"reddit.com/r/rust\").unwrap();\n+        assert_eq!(id.browse_href(), \"/~/https://reddit.com/r/rust\");\n+    }\n+\n+    #[test]\n+    fn from_browse_tail_parses_full_url() {\n+        let id = ItemId::from_browse_tail(\"https://reddit.com/r/AmITheAsshole\");\n+        assert_eq!(id.as_str(), \"reddit.com/r/amitheasshole\");\n+    }\n+\n+    #[test]\n+    fn from_browse_uri_strips_prefix() {\n+        let id = ItemId::from_browse_uri(\"/~/https://reddit.com/r/rust\").unwrap();\n+        assert_eq!(id.as_str(), \"reddit.com/r/rust\");\n+    }\n }\ndiff --git a/server/static/sorter_ui.js b/server/static/sorter_ui.js\nindex 9c475d8e076ba527aaf7a25c177d0d651bd46ca9..d9b016f197547f37ca4b2bcdd7ee6b673d0fb3f0 100644\n--- a/server/static/sorter_ui.js\n+++ b/server/static/sorter_ui.js\n@@ -24,7 +24,6 @@\n       var f = e.target;\n       if (!f || f.tagName !== 'FORM') return;\n       if ((f.method || 'get').toLowerCase() !== 'post') return;\n-      if (f.id === 'sorter-theme-form') return;\n       if (f.getAttribute('data-navigate') === 'full') return;\n       e.preventDefault();\n       await postUiForm(f);\ndiff --git a/server/static/theme_default.css b/server/static/theme_default.css\ndeleted file mode 100644\nindex 1bf8ac7a25207336c019f93cd4119bd0e06229f0..0000000000000000000000000000000000000000\n--- a/server/static/theme_default.css\n+++ /dev/null\n@@ -1,186 +0,0 @@\n-:root {\n-  --bg: #0f1115;\n-  --fg: #e8eaed;\n-  --muted: #9aa0a6;\n-  --accent: #7cacf8;\n-  --panel: #1a1d24;\n-  --border: #2a2f3a;\n-}\n-\n-* {\n-  box-sizing: border-box;\n-}\n-\n-body {\n-  margin: 0;\n-  font-family: system-ui, -apple-system, sans-serif;\n-  background: var(--bg);\n-  color: var(--fg);\n-  line-height: 1.5;\n-}\n-\n-.muted {\n-  color: var(--muted);\n-}\n-\n-.small {\n-  font-size: 0.875rem;\n-}\n-\n-.view-meta {\n-  position: fixed;\n-  top: 0.5rem;\n-  right: 0.5rem;\n-  font-size: 0.75rem;\n-}\n-\n-#controls {\n-  position: fixed;\n-  bottom: 0;\n-  left: 0;\n-  right: 0;\n-  display: flex;\n-  gap: 1rem;\n-  align-items: center;\n-  padding: 0.75rem 1rem;\n-  background: var(--panel);\n-  border-top: 1px solid var(--border);\n-  font-size: 0.875rem;\n-}\n-\n-#controls a {\n-  color: var(--accent);\n-}\n-\n-.demo-panel {\n-  max-width: 40rem;\n-  margin: 4rem auto 6rem;\n-  padding: 2rem;\n-  background: var(--panel);\n-  border: 1px solid var(--border);\n-  border-radius: 8px;\n-}\n-\n-.demo-panel h1 {\n-  margin-top: 0;\n-}\n-\n-.btn-primary {\n-  background: var(--accent);\n-  color: #0f1115;\n-  border: none;\n-  padding: 0.5rem 1rem;\n-  border-radius: 4px;\n-  font-size: 1rem;\n-  cursor: pointer;\n-}\n-\n-.btn-primary:hover {\n-  filter: brightness(1.1);\n-}\n-\n-code {\n-  font-size: 0.85em;\n-  background: var(--bg);\n-  padding: 0.1em 0.35em;\n-  border-radius: 3px;\n-}\n-\n-.vote-fields {\n-  display: flex;\n-  flex-direction: column;\n-  gap: 0.75rem;\n-  margin-bottom: 1rem;\n-}\n-\n-.vote-fields label {\n-  display: flex;\n-  flex-direction: column;\n-  gap: 0.25rem;\n-}\n-\n-.vote-fields input {\n-  padding: 0.4rem 0.5rem;\n-  border: 1px solid var(--border);\n-  border-radius: 4px;\n-  background: var(--bg);\n-  color: var(--fg);\n-}\n-\n-.rank-list {\n-  margin: 0;\n-  padding-left: 0;\n-  list-style: none;\n-}\n-\n-.rank-list li {\n-  margin-bottom: 0.35rem;\n-}\n-\n-.rank-num {\n-  color: var(--muted);\n-}\n-\n-#parser-input {\n-  width: 100%;\n-  padding: 0.5rem;\n-  border: 1px solid var(--border);\n-  border-radius: 4px;\n-  background: var(--bg);\n-  color: var(--fg);\n-  font-size: 1rem;\n-  font-family: inherit;\n-  resize: vertical;\n-}\n-\n-#parser-form .btn-primary {\n-  margin-top: 0.5rem;\n-}\n-\n-.breadcrumbs {\n-  font-size: 0.875rem;\n-  margin-bottom: 1rem;\n-  color: var(--muted);\n-}\n-\n-.breadcrumbs a {\n-  color: var(--accent);\n-  text-decoration: none;\n-}\n-\n-.breadcrumbs a:hover {\n-  text-decoration: underline;\n-}\n-\n-.breadcrumbs .separator {\n-  color: var(--muted);\n-}\n-\n-.rank-list a {\n-  color: var(--accent);\n-  text-decoration: none;\n-}\n-\n-.rank-list a:hover {\n-  text-decoration: underline;\n-}\n-\n-.entity-card h2 {\n-  margin-top: 0;\n-}\n-\n-.scope-name {\n-  color: var(--accent);\n-  font-weight: 600;\n-}\n-\n-.rank-heading {\n-  margin: 0.75rem 0 0.25rem;\n-  text-transform: uppercase;\n-  letter-spacing: 0.04em;\n-}\n-\n-.rank-gap {\n-  text-align: center;\n-  margin: 0.25rem 0;\n-}\ndiff --git a/server/static/theme_retro.css b/server/static/theme_retro.css\ndeleted file mode 100644\nindex ceee99494b873a6e658857be97f02ee739db85e9..0000000000000000000000000000000000000000\n--- a/server/static/theme_retro.css\n+++ /dev/null\n@@ -1,5 +0,0 @@\n-@import url(\"/static/theme_default.css\");\n-\n-:root {\n-  --accent: #f4a261;\n-}\ndiff --git a/server/tests/integration_ui.rs b/server/tests/integration_ui.rs\nindex f7ac9c26bf9f9277ad5f5708603224c095165fb8..df7d9ab357531c5146d0b326c149fdaa6b531a4a 100644\n--- a/server/tests/integration_ui.rs\n+++ b/server/tests/integration_ui.rs\n@@ -70,6 +70,22 @@ async fn post_ui_record_vote_morphs_ranking_and_persists() {\n     assert_eq!(ranked[0].item.as_str(), \"alpha\");\n }\n \n+#[tokio::test]\n+async fn browse_url_renders_subreddit_page() {\n+    let (addr, _tmp) = start_test_server().await;\n+    let client = reqwest::Client::new();\n+    let html = client\n+        .get(format!(\"http://{addr}/~/https://reddit.com/r/rust\"))\n+        .send()\n+        .await\n+        .unwrap()\n+        .text()\n+        .await\n+        .unwrap();\n+    assert!(html.contains(\"ranking-panel\"));\n+    assert!(html.contains(\"/~/https://reddit.com/r/rust\"));\n+}\n+\n #[tokio::test]\n async fn post_ui_parse_query_redirects_to_subreddit() {\n     let (addr, _tmp) = start_test_server().await;\n@@ -93,5 +109,5 @@ async fn post_ui_parse_query_redirects_to_subreddit() {\n         .unwrap();\n \n     assert!(body.contains(\"window.location.href\"));\n-    assert!(body.contains(\"/?item=reddit.com/r/rust\"));\n+    assert!(body.contains(\"/~/https://reddit.com/r/rust\"));\n }\n\n\nSide B — contributor: tommy-mor\nSide B — commit message:\n[bda5f8aa] Remove legacy evidence projection; Evidence envelopes only.\n\nEpoch and commit pages no longer invent history from bare GitDiscovery rows. Production ledger will be wiped to re-emit under the current schema.\n\nCo-authored-by: Cursor <cursoragent@cursor.com>\n\nSide B — unified diff (full patch):\ndiff --git a/constitution.py b/constitution.py\nindex 4dd5b9dfbba231d46289c490f91b1dd5b1018bcf..26ba130e885e0e69fb7874ca5c3f07f42100a150 100644\n--- a/constitution.py\n+++ b/constitution.py\n@@ -210,10 +210,10 @@ class Emission:\n     distributions: dict   # author -> amount str\n     ranking: dict         # author -> score str\n     models_used: list\n-    discovery_snapshot_id: str = \"\"  # empty only for pre-discovery ledger history\n-    evidence_schema_version: int = 1\n-    ranking_run_id: str = \"\"\n-    ranking_event_id: str = \"\"\n+    discovery_snapshot_id: str\n+    evidence_schema_version: int\n+    ranking_run_id: str\n+    ranking_event_id: str\n \n \n @event\n@@ -502,26 +502,6 @@ def _epochs_in_ledger() -> list[int]:\n     return sorted(epochs)\n \n \n-def _legacy_commit_row(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:\n-    for discovery in store.read():\n-        if not isinstance(discovery, GitDiscovery):\n-            continue\n-        for commit in discovery.commits:\n-            if commit_id_for_oid(commit[\"oid\"]) == commit_id:\n-                return discovery, commit\n-    return None, None\n-\n-\n-def _legacy_observation(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:\n-    for discovery in store.read():\n-        if not isinstance(discovery, GitDiscovery):\n-            continue\n-        for obs in discovery.observations:\n-            if commit_id_for_oid(obs[\"oid\"]) == commit_id:\n-                return discovery, obs\n-    return None, None\n-\n-\n def build_pairwise_prompt(side_a: dict, side_b: dict) -> str:\n     return f\"\"\"You are ranking contributions to an open source project.\n Compare these two sides (each may be one or more commits). Decide which side contributed more.\n@@ -2040,7 +2020,7 @@ def _strip_heavy_fields(obj: dict) -> dict:\n \n @app.get(\"/api/ledger\")\n async def get_ledger(offset: int = 0, limit: int = 100, full: int = 0):\n-    \"\"\"List of ledger dicts (backward-compatible). Heavy blobs stripped unless full=1.\"\"\"\n+    \"\"\"List of ledger dicts. Heavy blobs stripped unless full=1.\"\"\"\n     limit = max(1, min(limit, 500))\n     rows = []\n     for e in store.read()[offset:offset + limit]:\n@@ -2274,23 +2254,25 @@ async def epochs_index():\n     epochs = _epochs_in_ledger()\n     rows = []\n     for epoch in epochs:\n-        discovery = _discovery_for_epoch(epoch)\n         emission = _emission_for_epoch(epoch)\n-        evidence_n = sum(\n-            1 for e in evidence_by_kind() if e.epoch == epoch\n+        evidence_n = sum(1 for e in evidence_by_kind() if e.epoch == epoch)\n+        disc = next(\n+            (\n+                e for e in evidence_by_kind(\"git.discovery_completed\")\n+                if e.epoch == epoch\n+            ),\n+            None,\n         )\n         detail = []\n-        if discovery:\n+        if disc:\n             detail.append(\n-                f\"{len(discovery.commits)} eligible / \"\n-                f\"{len(discovery.observations)} observed\"\n+                f\"{disc.payload.get('eligible_count', 0)} eligible / \"\n+                f\"{disc.payload.get('observation_count', 0)} observed\"\n             )\n         if emission:\n             detail.append(f\"emitted {emission.total_emitted}\")\n         if evidence_n:\n             detail.append(f\"{evidence_n} evidence events\")\n-        elif discovery or emission:\n-            detail.append(\"legacy (no Evidence envelopes)\")\n         rows.append([\"li\",\n             _a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\"),\n             \" — \",\n@@ -2307,37 +2289,37 @@ async def epochs_index():\n \n @app.get(\"/epochs/{epoch}\")\n async def epoch_detail(epoch: int):\n-    discovery = _discovery_for_epoch(epoch)\n     emission = _emission_for_epoch(epoch)\n     evidence_rows = [e for e in evidence_by_kind() if e.epoch == epoch]\n+    if not evidence_rows and emission is None:\n+        return _evidence_page(f\"epoch {epoch}\", [\n+            _evidence_nav(),\n+            [\"h1\", f\"epoch {epoch}\"],\n+            [\"p.note\", \"No evidence for this epoch.\"],\n+        ])\n+\n     commit_evs = [e for e in evidence_rows if e.kind == \"git.commit\"]\n     comparison_evs = [e for e in evidence_rows if e.kind == \"comparison.input\"]\n     judgment_evs = [e for e in evidence_rows if e.kind == \"llm.judgment\"]\n+    discovery_ev = next(\n+        (e for e in evidence_rows if e.kind == \"git.discovery_completed\"), None\n+    )\n     ranking_started = next(\n         (e for e in evidence_rows if e.kind == \"ranking.started\"), None\n     )\n     ranking_completed = next(\n         (e for e in evidence_rows if e.kind == \"ranking.completed\"), None\n     )\n-    legacy = not evidence_rows and (discovery is not None or emission is not None)\n-\n-    commit_links: list[tuple[str, str]] = []\n-    if commit_evs:\n-        for e in commit_evs:\n-            cid = e.payload.get(\"commit_id\") or \"\"\n-            label = (\n-                f\"{e.payload.get('oid', cid)[:24]} \"\n-                f\"({e.payload.get('contributor', '?')})\"\n-            )\n-            commit_links.append((label, _evidence_path(\"commit\", cid)))\n-    elif discovery:\n-        for c in discovery.commits:\n-            cid = commit_id_for_oid(c[\"oid\"])\n-            commit_links.append((\n-                f\"{c['oid'][:24]} ({c.get('contributor', '?')})\",\n-                _evidence_path(\"commit\", cid),\n-            ))\n \n+    commit_links = [\n+        (\n+            f\"{e.payload.get('oid', e.payload.get('commit_id', ''))[:24]} \"\n+            f\"({e.payload.get('contributor', '?')})\",\n+            _evidence_path(\"commit\", e.payload[\"commit_id\"]),\n+        )\n+        for e in commit_evs\n+        if e.payload.get(\"commit_id\")\n+    ]\n     comparison_links = [\n         (\n             e.payload.get(\"summary\") or e.payload.get(\"comparison_id\", e.event_id),\n@@ -2360,16 +2342,13 @@ async def epoch_detail(epoch: int):\n     ]\n \n     excluded = []\n-    if discovery:\n-        for obs in discovery.observations:\n+    if discovery_ev:\n+        for obs in discovery_ev.payload.get(\"observations\") or []:\n             if obs.get(\"eligible\"):\n                 continue\n             oid = obs.get(\"oid\", \"?\")\n             reason = obs.get(\"exclusion_reason\") or \"excluded\"\n-            excluded.append([\"li\",\n-                f\"{oid[:28]} — {reason} — \",\n-                [\"span.note\", \"legacy evidence unavailable\"],\n-            ])\n+            excluded.append([\"li\", f\"{oid[:28]} — {reason}\"])\n \n     ranking_nodes: list = []\n     if ranking_completed:\n@@ -2388,21 +2367,10 @@ async def epoch_detail(epoch: int):\n                 indent=2, sort_keys=True,\n             )],\n         ]\n-    elif emission:\n-        if legacy and len(emission.ranking or {}) <= 1:\n-            ranking_nodes.append([\"p.note\",\n-                \"Single-contributor epoch — no LLM judgments.\"\n-            ])\n-        ranking_nodes.extend([\n-            [\"p\", \"Projected from Emission (no ranking Evidence event).\"],\n-            [\"pre.blob\", json.dumps(emission.ranking, indent=2, sort_keys=True)],\n-        ])\n+    elif ranking_started:\n+        ranking_nodes = [[\"p.note\", f\"Ranking started: {ranking_started.event_id}\"]]\n     else:\n-        ranking_nodes = [[\"p.note\", \"No ranking recorded.\"]]\n-    if ranking_started and not ranking_completed:\n-        ranking_nodes.insert(0, [\"p.note\",\n-            f\"Ranking started: {ranking_started.event_id}\"\n-        ])\n+        ranking_nodes = [[\"p.note\", \"No ranking evidence.\"]]\n \n     if emission:\n         emission_node = _dl_rows([\n@@ -2411,44 +2379,41 @@ async def epoch_detail(epoch: int):\n             (\"pool_after\", emission.pool_after),\n             (\"discovery_snapshot_id\", emission.discovery_snapshot_id),\n             (\"ranking_run_id\", emission.ranking_run_id or None),\n+            (\"ranking_event_id\", emission.ranking_event_id or None),\n             (\"models_used\", \", \".join(emission.models_used or [])),\n             (\"distributions\", json.dumps(emission.distributions, sort_keys=True)),\n         ])\n     else:\n         emission_node = [\"p.note\", \"No emission for this epoch.\"]\n \n-    single_contributor = False\n-    if discovery:\n-        single_contributor = len({c.get(\"contributor\") for c in discovery.commits}) <= 1\n-    elif emission:\n-        single_contributor = len(emission.ranking or {}) <= 1\n+    contributors = {\n+        e.payload.get(\"contributor\")\n+        for e in commit_evs\n+        if e.payload.get(\"contributor\")\n+    }\n+    no_comparisons_note = \"No comparisons.\"\n+    if len(contributors) <= 1:\n+        no_comparisons_note += \" Single-contributor — no LLM judgments.\"\n \n     body = [\n         _evidence_nav(),\n         [\"div.eyebrow\", f\"epoch {epoch}\"],\n         [\"h1\", f\"epoch {epoch}\"],\n     ]\n-    if legacy:\n-        body.append([\"p.note\",\n-            \"Legacy epoch: projected from GitDiscovery/Emission without Evidence \"\n-            \"envelopes. Eligible commits use discovery patches; discarded observation \"\n-            \"metadata is marked legacy evidence unavailable. Single-contributor \"\n-            \"epochs have no LLM judgments.\"\n-        ])\n-    if discovery:\n+    if discovery_ev:\n         body.extend([\n             [\"h2\", \"discovery\"],\n             _dl_rows([\n-                (\"snapshot_id\", discovery.snapshot_id),\n-                (\"config_digest\", discovery.config_digest),\n-                (\"initial_snapshot\", discovery.initial_snapshot),\n-                (\"observations\", len(discovery.observations)),\n-                (\"eligible\", len(discovery.commits)),\n+                (\"snapshot_id\", discovery_ev.payload.get(\"snapshot_id\")),\n+                (\"config_digest\", discovery_ev.payload.get(\"config_digest\")),\n+                (\"observations\", discovery_ev.payload.get(\"observation_count\")),\n+                (\"eligible\", discovery_ev.payload.get(\"eligible_count\")),\n+                (\"event\", _a(\n+                    _evidence_path(\"event\", discovery_ev.event_id),\n+                    discovery_ev.event_id,\n+                )),\n             ]),\n         ])\n-    no_comparisons_note = \"No comparisons.\"\n-    if single_contributor:\n-        no_comparisons_note += \" Single-contributor — no LLM judgments.\"\n     body.extend([\n         [\"h2\", \"commits\"],\n         _link_list(commit_links),\n@@ -2471,92 +2436,42 @@ async def epoch_detail(epoch: int):\n @app.get(\"/commits/{commit_id}\")\n async def commit_detail(commit_id: str):\n     ev = find_evidence_payload(\"git.commit\", \"commit_id\", commit_id)\n-    discovery, legacy_row = (None, None)\n     if not ev:\n-        discovery, legacy_row = _legacy_commit_row(commit_id)\n-    if not ev and not legacy_row:\n-        discovery, obs = _legacy_observation(commit_id)\n-        if obs is not None:\n-            epoch = discovery.epoch if discovery else \"?\"\n-            return _evidence_page(f\"commit {commit_id[:24]}\", [\n-                _evidence_nav(\n-                    _a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")\n-                ),\n-                [\"div.eyebrow\", \"commit\"],\n-                [\"h1\", commit_id],\n-                [\"p.note\", \"legacy evidence unavailable\"],\n-                _dl_rows([\n-                    (\"oid\", obs.get(\"oid\")),\n-                    (\"eligible\", obs.get(\"eligible\")),\n-                    (\"exclusion_reason\", obs.get(\"exclusion_reason\")),\n-                    (\"epoch\", str(epoch)),\n-                ]),\n-            ])\n         return _evidence_page(\"commit not found\", [\n             _evidence_nav(),\n             [\"h1\", \"commit not found\"],\n             [\"p\", commit_id],\n         ])\n-    if ev:\n-        p = ev.payload\n-        epoch = ev.epoch\n-        oid = p.get(\"oid\", \"\")\n-        contributor = p.get(\"contributor\", \"\")\n-        message = _blob_text(p.get(\"message\"))\n-        patch = _blob_text(p.get(\"patch\"))\n-        meta = _dl_rows([\n+    p = ev.payload\n+    epoch = ev.epoch\n+    return _evidence_page(f\"commit {commit_id[:24]}\", [\n+        _evidence_nav(_a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")),\n+        [\"div.eyebrow\", \"commit\"],\n+        [\"h1\", commit_id],\n+        _dl_rows([\n             (\"commit_id\", commit_id),\n-            (\"oid\", oid),\n-            (\"contributor\", contributor),\n+            (\"oid\", p.get(\"oid\", \"\")),\n+            (\"contributor\", p.get(\"contributor\", \"\")),\n             (\"patch_sha256\", p.get(\"patch_sha256\")),\n             (\"patch_identity\", p.get(\"patch_identity\")),\n             (\"committer_timestamp_ms\", p.get(\"committer_timestamp_ms\")),\n             (\"evidence_event\", _a(_evidence_path(\"event\", ev.event_id), ev.event_id)),\n             (\"epoch\", _a(_evidence_path(\"epoch\", str(epoch)), str(epoch))),\n-        ])\n-        legacy_note = None\n-    else:\n-        assert legacy_row is not None and discovery is not None\n-        epoch = discovery.epoch\n-        oid = legacy_row.get(\"oid\", \"\")\n-        contributor = legacy_row.get(\"contributor\", \"\")\n-        message = legacy_row.get(\"message\") or \"\"\n-        patch = legacy_row.get(\"patch\") or \"\"\n-        meta = _dl_rows([\n-            (\"commit_id\", commit_id),\n-            (\"oid\", oid),\n-            (\"contributor\", contributor),\n-            (\"patch_sha256\", legacy_row.get(\"patch_sha256\")),\n-            (\"patch_identity\", legacy_row.get(\"patch_identity\")),\n-            (\"committer_timestamp_ms\", legacy_row.get(\"committer_timestamp_ms\")),\n-            (\"epoch\", _a(_evidence_path(\"epoch\", str(epoch)), str(epoch))),\n-            (\"source\", \"legacy GitDiscovery projection\"),\n-        ])\n-        legacy_note = [\"p.note\", \"Projected from GitDiscovery — Evidence envelope absent.\"]\n-    return _evidence_page(f\"commit {commit_id[:24]}\", [\n-        _evidence_nav(_a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")),\n-        [\"div.eyebrow\", \"commit\"],\n-        [\"h1\", commit_id],\n-        *([legacy_note] if legacy_note else []),\n-        meta,\n+        ]),\n         [\"p\", _a(f\"/commits/{commit_id}/patch\", \"download patch\")],\n         [\"h2\", \"message\"],\n-        _pre_blob(message),\n+        _pre_blob(_blob_text(p.get(\"message\"))),\n         [\"h2\", \"patch\"],\n-        _pre_blob(patch),\n+        _pre_blob(_blob_text(p.get(\"patch\"))),\n     ])\n \n \n @app.get(\"/commits/{commit_id}/patch\")\n async def commit_patch_download(commit_id: str):\n     ev = find_evidence_payload(\"git.commit\", \"commit_id\", commit_id)\n-    if ev:\n-        raw = _decode_blob(ev.payload.get(\"patch\")) or _blob_text(ev.payload.get(\"patch\")).encode()\n-    else:\n-        _, row = _legacy_commit_row(commit_id)\n-        if not row:\n-            return PlainTextResponse(\"not found\", status_code=404)\n-        raw = (row.get(\"patch\") or \"\").encode(\"utf-8\")\n+    if not ev:\n+        return PlainTextResponse(\"not found\", status_code=404)\n+    raw = _decode_blob(ev.payload.get(\"patch\")) or _blob_text(ev.payload.get(\"patch\")).encode()\n     return Response(\n         content=raw,\n         media_type=\"text/plain; charset=utf-8\",\n@@ -3226,7 +3141,9 @@ async def watch():\n                 [\"div.controls\",\n                     [\"button#play\", {\"type\": \"button\", \"disabled\": \"true\"}, \"▶ Play live feed\"],\n                     [\"button#pause\", {\"type\": \"button\"}, \"Ⅱ Pause feed\"],\n-                    [\"span.note\", \"Pause stops local updates; the constitutional process continues.\"],\n+                    [\"span.note\",\n+                     \"Play/pause only affect this browser feed — they do not run or stop emission. \"\n+                     \"The server emits at each epoch boundary; status above is that process.\"],\n                 ],\n             ],\n             [\"section.panel\",\ndiff --git a/tests/integration.clj b/tests/integration.clj\nindex 204b0fedfbad57846205cb140c4ed9406b5f8e0e..11140e95a8cd86768a661a30e6b29a3ddfc95fcc 100644\n--- a/tests/integration.clj\n+++ b/tests/integration.clj\n@@ -247,7 +247,10 @@\n                :decay_rate   \"0.003253356063468\"\n                :distributions {\"alice\" \"381.4282558872\" \"bob\" \"190.7141279436\"}\n                :ranking       {\"alice\" \"0.6666\" \"bob\" \"0.3334\"}\n-               :models_used   [\"mock/chat-v1\" \"mock/chat-v2\"]}]\n+               :models_used   [\"mock/chat-v1\" \"mock/chat-v2\"]\n+               :evidence_schema_version 2\n+               :ranking_run_id \"seed-rank\"\n+               :ranking_event_id \"seed-rank-ev\"}]\n     (spit path (str (json/generate-string entry) \"\\n\"))))\n \n ;; ---------------------------------------------------------------------------\ndiff --git a/tests/test_evidence.py b/tests/test_evidence.py\nindex 76adcd343eec3a65dec58fda93b068356fb1adcd..7cb74fd7fb1bcd0ab17d2cbe2e6ca7e61e164221 100644\n--- a/tests/test_evidence.py\n+++ b/tests/test_evidence.py\n@@ -1,4 +1,4 @@\n-\"\"\"HTML evidence graph: byte fidelity, resume, legacy projection, private ack.\"\"\"\n+\"\"\"HTML evidence graph: byte fidelity, resume, and Evidence-only pages.\"\"\"\n \n from __future__ import annotations\n \n@@ -86,55 +86,10 @@ def test_html_evidence_pages_escape_and_link(evidence_store):\n     assert patch_resp.headers[\"content-disposition\"].startswith(\"attachment\")\n \n \n-def test_legacy_epoch_projects_from_gitdiscovery_without_evidence(evidence_store):\n-    oid = \"sha1:\" + \"b\" * 40\n-    discovery = c.GitDiscovery(\n-        schema_version=1,\n-        epoch=3,\n-        snapshot_id=\"legacy-snap\",\n-        timestamp_ms=1,\n-        config_digest=\"d\",\n-        initial_snapshot=True,\n-        configuration={\"repositories\": [], \"contributors\": {}},\n-        repositories=[],\n-        observations=[{\n-            \"oid\": oid,\n-            \"eligible\": False,\n-            \"exclusion_reason\": \"before_genesis\",\n-            \"first_sources\": [],\n-        }, {\n-            \"oid\": \"sha1:\" + \"c\" * 40,\n-            \"eligible\": True,\n-            \"exclusion_reason\": None,\n-            \"first_sources\": [],\n-        }],\n-        commits=[{\n-            \"oid\": \"sha1:\" + \"c\" * 40,\n-            \"contributor\": \"tommy-mor\",\n-            \"message\": \"eligible\",\n-            \"patch\": \"diff --git a/x b/x\\n\",\n-        }],\n-    )\n-    emission = c.Emission(\n-        epoch=3,\n-        timestamp_ms=2,\n-        pool_before=\"1\",\n-        total_emitted=\"0.1\",\n-        pool_after=\"0.9\",\n-        decay_rate=\"0.1\",\n-        distributions={\"tommy-mor\": \"0.1\"},\n-        ranking={\"tommy-mor\": \"1\"},\n-        models_used=[],\n-        discovery_snapshot_id=\"legacy-snap\",\n-    )\n-    asyncio.run(c.store.append(discovery))\n-    asyncio.run(c.store.append(emission))\n-    html = asyncio.run(c.epoch_detail(3)).body.decode()\n-    assert \"legacy\" in html.lower()\n-    assert \"Single-contributor\" in html or \"no LLM\" in html\n-    excluded_id = c.commit_id_for_oid(oid)\n-    excluded_html = asyncio.run(c.commit_detail(excluded_id)).body.decode()\n-    assert \"legacy evidence unavailable\" in excluded_html.lower()\n+def test_commit_without_evidence_is_not_found(evidence_store):\n+    html = asyncio.run(c.commit_detail(\"c_missing\")).body.decode()\n+    assert \"commit not found\" in html\n+    assert \"legacy\" not in html.lower()\n \n \n def test_ranking_resume_skips_duplicate_provider_calls(evidence_store, monkeypatch):\n@@ -202,6 +157,10 @@ def test_epochs_index_lists_epochs(evidence_store):\n         distributions={},\n         ranking={},\n         models_used=[],\n+        discovery_snapshot_id=\"snap\",\n+        evidence_schema_version=c.EVIDENCE_SCHEMA_VERSION,\n+        ranking_run_id=\"r\",\n+        ranking_event_id=\"e\",\n     )))\n     html = asyncio.run(c.epochs_index()).body.decode()\n     assert \"/epochs/3\" in html\n","role":"user"}],"model":"openai/gpt-chat-latest"}