{"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[c59951f5] fixed canonical item paths business\n\nSide A — unified diff (full patch):\ndiff --git a/server/src/html/breadcrumb_path.rs b/server/src/html/breadcrumb_path.rs\nindex 12ad2c84faf2fbb693015d4552e45b5c54d587b9..c8a3937923161a6ff248bd77e87eff0dc6fe9ab0 100644\n--- a/server/src/html/breadcrumb_path.rs\n+++ b/server/src/html/breadcrumb_path.rs\n@@ -1,4 +1,4 @@\n-use crate::path_types::CanonicalItemUrl;\n+use crate::path_types::{tilde_http_path_to_canonical, CanonicalItemUrl};\n \n /// Semantic view of an ontology path for rendering and routing decisions.\n pub(super) struct OntologyPath {\n@@ -11,16 +11,7 @@ impl OntologyPath {\n     /// Path is the `*path` segment from `/~/*path` (e.g. `topic/a`). Always treat it as under `~/`\n     /// so it canonicalizes to `https://slug.social/~/…`, not the non-tilde site path.\n     pub(super) fn from_input(path: &str) -> Self {\n-        let p = path.trim_start_matches('/');\n-        let raw = if p.starts_with(\"http://\") || p.starts_with(\"https://\") {\n-            p.to_string()\n-        } else if p.is_empty() {\n-            \"~/\".to_string()\n-        } else {\n-            format!(\"~/{}\", p)\n-        };\n-        let canonical = CanonicalItemUrl::parse(&raw)\n-            .unwrap_or_else(|| CanonicalItemUrl::parse(\"~/\").unwrap());\n+        let canonical = tilde_http_path_to_canonical(path);\n         Self::from_canonical(canonical)\n     }\n \n@@ -37,7 +28,7 @@ impl OntologyPath {\n     }\n \n     pub(super) fn root() -> Self {\n-        Self::from_canonical(CanonicalItemUrl::parse(\"~/\").unwrap())\n+        Self::from_canonical(CanonicalItemUrl::ontology_root())\n     }\n \n     pub(super) fn is_root(&self) -> bool {\ndiff --git a/server/src/html/garden.rs b/server/src/html/garden.rs\nindex d58d9b46f575eb6b7e4971086b07dda75ca2f645..319feb15a6b68d2b5df98b4289fedbc9bdd048d3 100644\n--- a/server/src/html/garden.rs\n+++ b/server/src/html/garden.rs\n@@ -459,6 +459,8 @@ struct ItemPageViewModel {\n     item: String,\n     body: Option<String>,\n     sibling_rank: Option<SiblingRank>,\n+    /// False at the tilde ontology root (`~/`): sibling-rank footnote does not apply.\n+    item_has_parent: bool,\n     child_rankings: ChildrenRankings,\n     rank_history: Vec<RankHistoryEntryView>,\n     /// Forum threads that mention or vote on this item.\n@@ -470,11 +472,12 @@ fn build_sibling_rank(\n     scope: &ScopeId,\n     item: &CanonicalItemUrl,\n ) -> Option<SiblingRank> {\n+    let item = item.clone().normalized_storage();\n     let content = reduced\n         .content_for_scope(scope)\n         .unwrap_or_else(|| reduced.public());\n     let group = &content.ranking_group;\n-    let parent = item.parent()?;\n+    let parent = item.parent()?.normalized_storage();\n     let siblings: Vec<CanonicalItemUrl> = content\n         .item_children\n         .get(&parent)\n@@ -492,7 +495,7 @@ fn build_sibling_rank(\n     if scoped_idxs.is_empty() {\n         return None;\n     }\n-    let current_idx = *group.item_to_idx.get(item)?;\n+    let current_idx = *group.item_to_idx.get(&item)?;\n     if !scoped_idxs.contains(&current_idx) {\n         return None;\n     }\n@@ -520,7 +523,7 @@ fn build_sibling_rank(\n         .filter_map(|li| local_to_global.get(*li).copied())\n         .collect();\n     let ranked = ranked_items_subset(group, &comp_global, 10000, 1e-8);\n-    let position = ranked.iter().position(|r| &r.item == item)? + 1;\n+    let position = ranked.iter().position(|r| r.item == item)? + 1;\n     Some(SiblingRank {\n         position,\n         component_size: ranked.len(),\n@@ -597,7 +600,9 @@ fn build_item_page_view_model(\n         .content_for_scope(scope)\n         .unwrap_or_else(|| reduced.public());\n     let item_key = CanonicalItemUrl::parse(item)\n-        .unwrap_or_else(|| CanonicalItemUrl::parse(\"~/\").unwrap());\n+        .unwrap_or_else(|| CanonicalItemUrl::parse(\"~/\").unwrap())\n+        .normalized_storage();\n+    let item_has_parent = item_key.parent().is_some();\n     let child_rankings = build_children_rankings(content, &item_key);\n \n     let rank_history = build_rank_history(reduced, scope, item_key.as_str());\n@@ -617,6 +622,7 @@ fn build_item_page_view_model(\n             .cloned()\n             .or_else(|| reduced.public().item_bodies.get(&item_key).cloned()),\n         sibling_rank: build_sibling_rank(reduced, scope, &item_key),\n+        item_has_parent,\n         child_rankings,\n         rank_history,\n         threads,\n@@ -652,7 +658,7 @@ async fn render_scope_view(\n                             (format!(\"#{} of {}\", rank.position, rank.component_size))\n                         }\n                         span class=\"muted\" { (format!(\"({} siblings)\", rank.sibling_total)) }\n-                    } @else {\n+                    } @else if model.item_has_parent {\n                         span class=\"muted\" { \"unranked among siblings\" }\n                     }\n                 }\n@@ -815,6 +821,18 @@ mod tests {\n         }));\n     }\n \n+    fn apply_ingest_room(state: &mut ReducerState, ts: i64, room_id: &str, raw: &str) {\n+        state.apply_event(Event::Ingest(Ingest {\n+            ts,\n+            id: format!(\"ing-{ts}\"),\n+            raw: raw.to_string(),\n+            principal: \"testuser\".to_string(),\n+            delegate: Some(\"00000000-0000-0000-0000-000000000000:test:local/test\".to_string()),\n+            room_id: room_id.to_string(),\n+            thread_tag: String::new(),\n+        }));\n+    }\n+\n     #[test]\n     fn item_page_model_includes_body_and_unranked_without_votes() {\n         let mut reduced = ReducerState::default();\n@@ -885,4 +903,85 @@ mod tests {\n                 || model.child_rankings.unranked_items.contains(&CanonicalItemUrl(\"https://slug.social/~/topic/kid2\".to_string()))\n         );\n     }\n+\n+    #[test]\n+    fn item_page_room_scope_root_lists_top_level_children() {\n+        let mut reduced = ReducerState::default();\n+        apply_ingest_room(\n+            &mut reduced,\n+            1,\n+            \"9ab12cd/my-room\",\n+            \"@00000000-0000-0000-0000-000000000000:test:local/test\\n~/t1 {a}\\n~/t2 {b}\\n\",\n+        );\n+        use crate::path_types::CanonicalItemUrl;\n+        let root = CanonicalItemUrl::ontology_root();\n+        let model = build_item_page_view_model(\n+            &reduced,\n+            &ScopeId::Room(\"9ab12cd/my-room\".to_string()),\n+            root.as_str(),\n+        );\n+        assert!(!model.item_has_parent);\n+        assert_eq!(model.child_rankings.unranked_items.len(), 2);\n+        let set: std::collections::HashSet<&str> = model\n+            .child_rankings\n+            .unranked_items\n+            .iter()\n+            .map(|u| u.as_str())\n+            .collect();\n+        assert!(set.contains(\"https://slug.social/~/t1\"));\n+        assert!(set.contains(\"https://slug.social/~/t2\"));\n+    }\n+\n+    /// Top-level `~/a` vs `~/b` votes form one ranked component under the ontology root.\n+    #[test]\n+    fn item_page_room_scope_root_shows_ranked_child_group() {\n+        let mut reduced = ReducerState::default();\n+        apply_ingest_room(\n+            &mut reduced,\n+            1,\n+            \"9ab12cd/my-room\",\n+            \"@00000000-0000-0000-0000-000000000000:test:local/test\\n\\\n+             ~/a {a}\\n~/b {b}\\n~/a 2:1 ~/b {because}\\n\",\n+        );\n+        use crate::path_types::CanonicalItemUrl;\n+        let root = CanonicalItemUrl::ontology_root();\n+        let model = build_item_page_view_model(\n+            &reduced,\n+            &ScopeId::Room(\"9ab12cd/my-room\".to_string()),\n+            root.as_str(),\n+        );\n+        assert_eq!(model.child_rankings.component_rankings.len(), 1);\n+        assert_eq!(model.child_rankings.component_rankings[0].pairs, 1);\n+        let names: Vec<&str> = model.child_rankings.component_rankings[0]\n+            .ranked\n+            .iter()\n+            .map(|r| r.item.as_str())\n+            .collect();\n+        assert_eq!(\n+            names,\n+            vec![\"https://slug.social/~/a\", \"https://slug.social/~/b\"]\n+        );\n+        assert!(model.child_rankings.unranked_items.is_empty());\n+    }\n+\n+    /// Legacy `https://slug.social/~/` spelling still resolves children under the real root key.\n+    #[test]\n+    fn item_page_model_normalizes_legacy_tilde_root_storage_url() {\n+        let mut reduced = ReducerState::default();\n+        apply_ingest(\n+            &mut reduced,\n+            1,\n+            \"@00000000-0000-0000-0000-000000000000:test:local/test\\n~/x {x}\\n\",\n+        );\n+        let model = build_item_page_view_model(\n+            &reduced,\n+            &ScopeId::Public,\n+            \"https://slug.social/~/\",\n+        );\n+        assert_eq!(model.child_rankings.unranked_items.len(), 1);\n+        assert_eq!(\n+            model.child_rankings.unranked_items[0].as_str(),\n+            \"https://slug.social/~/x\"\n+        );\n+    }\n }\ndiff --git a/server/src/path_types.rs b/server/src/path_types.rs\nindex 4c8075bbd488f1b9a5eda9e03ced83f6238c6d5e..361a9d446c9043cbdea5f060db2e8633c2fd9bf9 100644\n--- a/server/src/path_types.rs\n+++ b/server/src/path_types.rs\n@@ -1,3 +1,5 @@\n //! Re-exports — implementations live in `slug-types` (`paths` module).\n \n-pub use slug_types::paths::{CanonicalItemUrl, RelativePath, TildePath};\n+pub use slug_types::paths::{\n+    tilde_http_path_to_canonical, CanonicalItemUrl, RelativePath, TildeHttpPathTail, TildePath,\n+};\ndiff --git a/server/src/scope_rank.rs b/server/src/scope_rank.rs\nindex dc640848232b7e79142bfeeea3003c9023f84854..d656b2f0a0a3623ca6b234b746beaaca8ae6017d 100644\n--- a/server/src/scope_rank.rs\n+++ b/server/src/scope_rank.rs\n@@ -149,9 +149,10 @@ pub fn build_rankings_for_item_set(content: &ContentState, items_in_scope: &[Can\n /// Build connected-component rankings for direct children of parent_scope.\n /// Matches the HTML garden view: multiple components, isolates, no-vote items.\n pub fn build_children_rankings(content: &ContentState, parent: &CanonicalItemUrl) -> ChildrenRankings {\n+    let parent = parent.clone().normalized_storage();\n     let items: Vec<CanonicalItemUrl> = content\n         .item_children\n-        .get(parent)\n+        .get(&parent)\n         .map(|s| s.iter().cloned().collect())\n         .unwrap_or_default();\n     build_rankings_for_item_set(content, &items)\ndiff --git a/server/tests/integration.rs b/server/tests/integration.rs\nindex f9c218378f6a173e56ae1cec797b3c492986eac0..d4c5bfe9c6f1c71dc61878bd8c5e729b1b7c69ef 100644\n--- a/server/tests/integration.rs\n+++ b/server/tests/integration.rs\n@@ -704,6 +704,62 @@ async fn test_private_room_post_links_use_private_garden_routes() {\n     assert!(garden_body.contains(&format!(\"/r/{room_short}/{room_slug}/t/garden-thread\")));\n }\n \n+#[tokio::test]\n+async fn test_private_room_garden_root_lists_top_level_tilde_children() {\n+    let (addr, _tmp, _log, _handle) = create_test_server().await;\n+    let client = reqwest::Client::builder()\n+        .redirect(reqwest::redirect::Policy::none())\n+        .build()\n+        .unwrap();\n+    let bearer = test_bearer();\n+\n+    let create = rpc_batch(\n+        &client,\n+        addr,\n+        Some(&bearer),\n+        serde_json::json!([{\n+            \"RoomCreate\": { \"slug\": \"garden-root-list\" }\n+        }]),\n+    )\n+    .await;\n+    let room_id = create[\"results\"][0][\"result\"][\"RoomCreated\"][\"room_id\"]\n+        .as_str()\n+        .unwrap()\n+        .to_string();\n+    let (room_short, room_slug) = room_id.split_once('/').unwrap();\n+\n+    let rpc = ui_post_ingest_rpc(\n+        &room_id,\n+        \"ing\",\n+        \"~/test1 {wow}\\n~/test2 {wow2}\\n~/test1 2:1 ~/test2 {because}\\n\",\n+    );\n+    let post = client\n+        .post(format!(\"http://{addr}/ui\"))\n+        .header(\"Authorization\", format!(\"Bearer {bearer}\"))\n+        .form(&[(\"__rpc__\", rpc.as_str())])\n+        .send()\n+        .await\n+        .unwrap();\n+    assert_eq!(post.status(), reqwest::StatusCode::OK);\n+\n+    let root_page = client\n+        .get(format!(\"http://{addr}/r/{room_short}/{room_slug}/~\"))\n+        .header(\"Authorization\", format!(\"Bearer {bearer}\"))\n+        .send()\n+        .await\n+        .unwrap();\n+    assert!(root_page.status().is_success());\n+    let body = root_page.text().await.unwrap();\n+    assert!(\n+        body.contains(\"ranked child groups\"),\n+        \"expected garden child panel: {}\",\n+        body.len()\n+    );\n+    assert!(body.contains(\"~/test1\"));\n+    assert!(body.contains(\"~/test2\"));\n+    assert!(body.contains(\"ordering 1\"));\n+}\n+\n #[tokio::test]\n async fn test_post_check_returns_targeted_js_error_for_missing_thread_tag() {\n     let (addr, _tmp, _log, _handle) = create_test_server().await;\ndiff --git a/test/browser_public_garden.clj b/test/browser_public_garden.clj\nnew file mode 100644\nindex 0000000000000000000000000000000000000000..7bea08e1cf2c8f5b1a94b0640a46e9ba5607b19b\n--- /dev/null\n+++ b/test/browser_public_garden.clj\n@@ -0,0 +1,100 @@\n+(ns test.browser-public-garden\n+  \"Regression: ingest ontology items in the public room via RPC, then open /~ in the browser\n+   and assert ranked + unranked paths appear (HTML garden index — not JSON API).\"\n+  (:require [babashka.fs :as fs]\n+            [cheshire.core :as json]\n+            [clojure.string :as str]\n+            [clojure.test :refer [deftest is]]\n+            [com.blockether.spel.core :as core]\n+            [com.blockether.spel.locator :as locator]\n+            [com.blockether.spel.page :as page]\n+            [test.common :as common]\n+            [test.oauth :as oauth]))\n+\n+(defn- wait-for-text [pg selector expected timeout-ms]\n+  (let [deadline (+ (System/currentTimeMillis) timeout-ms)]\n+    (loop []\n+      (let [text (locator/text-content (page/locator pg selector))]\n+        (if (and (string? text) (str/includes? text expected))\n+          true\n+          (if (< (System/currentTimeMillis) deadline)\n+            (do (Thread/sleep 200) (recur))\n+            false))))))\n+\n+(defn public-garden-flow! []\n+  (println \"\\n━━━ browser public room garden index (RPC seed + GET /~) ━━━\\n\")\n+\n+  (common/letlocals\n+   (bind build (common/run-cargo-build-release! [\"slugsocial-server\"]))\n+   (is (zero? (:exit build)) \"cargo build succeeds\")\n+   (bind server-bin \"target/release/slugsocial-server\")\n+\n+   (bind tmp-dir (str (fs/create-temp-dir {:prefix \"slug-browser-pub-garden-\"})))\n+   (bind slug-port (common/pick-port))\n+   (bind google-port (common/pick-port))\n+   (bind base-url (str \"http://127.0.0.1:\" slug-port))\n+   (bind google-url (str \"http://127.0.0.1:\" google-port))\n+\n+   (bind !server (atom nil))\n+   (bind !google (atom nil))\n+   (bind server-env (common/slug-server-env tmp-dir base-url google-url slug-port))\n+   (try\n+     (reset! !google (oauth/start-mock-google google-port\n+                                              :google-users [\"google-user-alice\"]))\n+     (reset! !server (common/start-server server-bin server-env))\n+     (is (common/wait-for-server base-url 10000) \"server responds to /healthz\")\n+\n+     (let [alice-token (oauth/fetch-bearer-token! base-url :username \"alice\")\n+           thread-tag \"browser-pub-garden\"\n+           ;; Ranked pair at root + one isolate so both panels are exercised.\n+           raw (str \"# \" thread-tag \"\\n\\n\"\n+                    \"~/br-pub-a {alpha}\\n\"\n+                    \"~/br-pub-b {beta}\\n\"\n+                    \"~/br-pub-c {gamma}\\n\"\n+                    \"~/br-pub-a 2:1 ~/br-pub-b {browser regression vote}\\n\")\n+           post-resp (oauth/http-post-json\n+                      (str base-url \"/api/v0/rpc\")\n+                      [{\"Post\" {\"room\" \"public\"\n+                                \"thread_tag\" thread-tag\n+                                \"text\" raw\n+                                \"return_rank_diff\" false}}]\n+                      :headers {\"Authorization\" (str \"Bearer \" alice-token)})\n+           post-json (json/parse-string (:body post-resp) false)\n+           _ (is (true? (get-in post-json [\"results\" 0 \"ok\"])) \"seed public post via rpc\")\n+           rank-resp (oauth/http-post-json\n+                      (str base-url \"/api/v0/rpc\")\n+                      [{\"GetGardenRank\" {\"room\" \"public\"\n+                                         \"parent_path\" \"~\"\n+                                         \"depth\" 1}}])\n+           rank-json (json/parse-string (:body rank-resp) false)\n+           _ (is (true? (get-in rank-json [\"results\" 0 \"ok\"])) \"GetGardenRank ok\")\n+           comps (get-in rank-json [\"results\" 0 \"result\" \"GardenRank\" \"components\"])\n+           _ (is (pos? (count comps)) \"rank API reports at least one component\")]\n+       (core/with-playwright [pw]\n+         (core/with-browser [browser (core/launch-chromium pw {:headless true :channel \"chrome\"})]\n+           (core/with-context [ctx (core/new-context browser)]\n+             (core/with-page [pg (core/new-page-from-context ctx)]\n+               (page/navigate pg (str base-url \"/login\"))\n+               (is (wait-for-text pg \"body\" \"@alice\" 15000) \"alice session after login\")\n+               (page/navigate pg (str base-url \"/~\"))\n+               (is (wait-for-text pg \"body\" \"paths\" 15000) \"public garden index shows paths heading\")\n+               (is (wait-for-text pg \"body\" \"ordering\" 10000)\n+                   \"ranked child group meta visible\")\n+               (is (wait-for-text pg \"body\" \"~/br-pub-a\" 10000) \"ranked list shows ~/br-pub-a\")\n+               (is (wait-for-text pg \"body\" \"~/br-pub-b\" 10000) \"ranked list shows ~/br-pub-b\")\n+               (is (wait-for-text pg \"body\" \"unranked\" 10000) \"unranked section present\")\n+               (is (wait-for-text pg \"body\" \"~/br-pub-c\" 10000)\n+                   \"unranked list shows ~/br-pub-c\"))))))\n+\n+     (finally\n+       (when-some [s @!server] (common/kill-server s))\n+       (when-some [g @!google] ((:stop-fn g)))\n+       (fs/delete-tree tmp-dir)))\n+\n+   nil))\n+\n+(defn public-garden-browser-test [& _args]\n+  (public-garden-flow!))\n+\n+(deftest browser-public-garden-index-check\n+  (public-garden-flow!))\ndiff --git a/tests.edn b/tests.edn\nindex 56fdfa4f29383ad305fd8068783e4efe2ed334a0..6e96432ba766461b4233c75dc48db2633483e5e0 100644\n--- a/tests.edn\n+++ b/tests.edn\n@@ -16,7 +16,8 @@\n    :ns-patterns [\"^test\\\\.browser-sse$\"\n                  \"^test\\\\.browser-ui-morph$\"\n                  \"^test\\\\.browser-post-redact$\"\n-                 \"^test\\\\.browser-room-delete$\"]\n+                 \"^test\\\\.browser-room-delete$\"\n+                 \"^test\\\\.browser-public-garden$\"]\n    :kaocha.filter/skip-meta [:skip]\n    :parallel? false}]\n  :plugins [:kaocha.plugin/junit-xml]\ndiff --git a/types/src/lib.rs b/types/src/lib.rs\nindex 8cea90238ef6207d65ecdb2903b8958fafb213d2..edbb923e4d7d41ad82dfc254c3bd697562383527 100644\n--- a/types/src/lib.rs\n+++ b/types/src/lib.rs\n@@ -4,8 +4,9 @@ pub mod paths;\n pub mod timeago;\n \n pub use paths::{\n-    canonicalize_item, canonicalize_tag, item_parent_path, item_path_segments, CanonicalItemUrl,\n-    ForumThreadUrl, GardenItemUrl, RelativePath, TildeOntologyPath, TildePath,\n+    canonicalize_item, canonicalize_tag, item_parent_path, item_path_segments, normalize_slug_ontology_storage_url,\n+    CanonicalItemUrl, ForumThreadUrl, GardenItemUrl, RelativePath, SLUG_TILDE_ONTOLOGY_ROOT,\n+    TildeHttpPathTail, TildeOntologyPath, TildePath, tilde_http_path_to_canonical,\n };\n \n /// Max characters returned for a garden item body unless `full=true` / `--full` (API + CLI).\ndiff --git a/types/src/paths.rs b/types/src/paths.rs\nindex 668323ed777f360f2838a0dfe6eae68905d1183b..8971f599a7ebcf399f60c306d35ee28d0f581194 100644\n--- a/types/src/paths.rs\n+++ b/types/src/paths.rs\n@@ -1,5 +1,13 @@\n //! Canonical paths, storage ids, and JSON href newtypes. All normalization and\n //! room-aware URL rules for items live here.\n+//!\n+//! ## String kinds (parse in this module only)\n+//!\n+//! - **[`canonicalize_item`] / [`CanonicalItemUrl`]** — graph storage key and DSL form; tilde\n+//!   ontology root is always [`SLUG_TILDE_ONTOLOGY_ROOT`] (no `…/~/` trailing slash only).\n+//! - **[`TildeHttpPathTail`]** — capture from `GET /~/*path` or `…/r/…/~/…` (the `*path` segment).\n+//! - **`-/…` wire form** — external items; see [`canonicalize_item`] dash branch.\n+//! - **[`GardenItemUrl`], [`ForumThreadUrl`]** — JSON / browser href surfaces.\n \n use std::borrow::Borrow;\n use std::fmt;\n@@ -7,6 +15,23 @@ use std::ops::Deref;\n \n use serde::{Deserialize, Serialize};\n \n+// ---------------------------------------------------------------------------\n+// Slug tilde ontology (single storage form for `~/`)\n+// ---------------------------------------------------------------------------\n+\n+/// Canonical absolute URL for the tilde ontology **root** (`~/` in UI). Used as the\n+/// `item_children` parent key for top-level items and must match [`CanonicalItemUrl::ontology_root`].\n+pub const SLUG_TILDE_ONTOLOGY_ROOT: &str = \"https://slug.social/~\";\n+\n+/// Collapse legacy or parser variants of the ontology root to [`SLUG_TILDE_ONTOLOGY_ROOT`].\n+pub fn normalize_slug_ontology_storage_url(s: &str) -> String {\n+    if s == \"https://slug.social/~/\" {\n+        SLUG_TILDE_ONTOLOGY_ROOT.to_string()\n+    } else {\n+        s.to_string()\n+    }\n+}\n+\n // ---------------------------------------------------------------------------\n // Normalization (moved from server `canonical_path`)\n // ---------------------------------------------------------------------------\n@@ -89,6 +114,9 @@ pub fn canonicalize_item(input: &str) -> String {\n         .join(\"/\");\n \n     if is_tilde {\n+        if tail.is_empty() {\n+            return SLUG_TILDE_ONTOLOGY_ROOT.to_string();\n+        }\n         format!(\"https://slug.social/~/{}\", tail)\n     } else if tail.is_empty() {\n         \"https://slug.social\".to_string()\n@@ -173,7 +201,7 @@ impl CanonicalItemUrl {\n         if c.is_empty() {\n             None\n         } else {\n-            Some(Self(c))\n+            Some(Self(normalize_slug_ontology_storage_url(&c)))\n         }\n     }\n \n@@ -181,8 +209,19 @@ impl CanonicalItemUrl {\n         &self.0\n     }\n \n+    /// Collapses legacy slug ontology root spellings so [`HashMap`] keys match the reducer graph.\n+    pub fn normalized_storage(self) -> Self {\n+        Self(normalize_slug_ontology_storage_url(self.as_str()))\n+    }\n+\n     pub fn tilde_tail(&self) -> Option<&str> {\n-        self.0.strip_prefix(\"https://slug.social/~/\")\n+        if let Some(tail) = self.0.strip_prefix(\"https://slug.social/~/\") {\n+            return Some(tail);\n+        }\n+        if self.0 == SLUG_TILDE_ONTOLOGY_ROOT || self.0 == \"https://slug.social/~/\" {\n+            return Some(\"\");\n+        }\n+        None\n     }\n \n     pub fn last_segment(&self) -> &str {\n@@ -193,7 +232,7 @@ impl CanonicalItemUrl {\n     }\n \n     pub fn ontology_root() -> Self {\n-        Self(\"https://slug.social/~\".to_string())\n+        Self(SLUG_TILDE_ONTOLOGY_ROOT.to_string())\n     }\n \n     pub fn parent(&self) -> Option<Self> {\n@@ -234,9 +273,13 @@ impl CanonicalItemUrl {\n \n     /// `-/` representation for external `https://…` items, `~/…` for slug ontology, else unchanged.\n     pub fn display_path(&self) -> String {\n-        if let Some(tail) = self.0.strip_prefix(\"https://slug.social/~/\") {\n-            format!(\"~/{}\", tail)\n-        } else if let Some(tail) = self.0.strip_prefix(\"https://\") {\n+        if let Some(tail) = self.tilde_tail() {\n+            if tail.is_empty() {\n+                return \"~/\".to_string();\n+            }\n+            return format!(\"~/{}\", tail);\n+        }\n+        if let Some(tail) = self.0.strip_prefix(\"https://\") {\n             if tail.starts_with(\"slug.social\") {\n                 self.0.clone()\n             } else {\n@@ -276,6 +319,37 @@ impl CanonicalItemUrl {\n     }\n }\n \n+/// HTTP route capture: path segment after `~/` in `GET /~/*path` or `…/r/…/~/…` (empty = ontology root).\n+#[derive(Debug, Clone, PartialEq, Eq, Hash)]\n+pub struct TildeHttpPathTail(pub String);\n+\n+impl TildeHttpPathTail {\n+    pub fn new(path_segment: &str) -> Self {\n+        Self(path_segment.trim_start_matches('/').to_string())\n+    }\n+\n+    pub fn as_str(&self) -> &str {\n+        &self.0\n+    }\n+\n+    pub fn to_canonical(&self) -> CanonicalItemUrl {\n+        tilde_http_path_to_canonical(self.as_str())\n+    }\n+}\n+\n+/// Map the router's tilde tail (e.g. `topic/a`, or empty for root) to a [`CanonicalItemUrl`].\n+pub fn tilde_http_path_to_canonical(path_segment: &str) -> CanonicalItemUrl {\n+    let p = path_segment.trim_start_matches('/');\n+    let raw = if p.starts_with(\"http://\") || p.starts_with(\"https://\") {\n+        p.to_string()\n+    } else if p.is_empty() {\n+        \"~/\".to_string()\n+    } else {\n+        format!(\"~/{}\", p)\n+    };\n+    CanonicalItemUrl::parse(&raw).unwrap_or_else(|| CanonicalItemUrl::ontology_root())\n+}\n+\n impl fmt::Display for CanonicalItemUrl {\n     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n         self.0.fmt(f)\n@@ -557,6 +631,44 @@ mod tests {\n     fn canonical_parent_root_is_none() {\n         let root = CanonicalItemUrl::parse(\"~/\").unwrap();\n         assert!(root.parent().is_none());\n+        assert_eq!(root.as_str(), SLUG_TILDE_ONTOLOGY_ROOT);\n+        assert_eq!(root, CanonicalItemUrl::ontology_root());\n+    }\n+\n+    #[test]\n+    fn tilde_ontology_root_unifies_forms() {\n+        assert_eq!(canonicalize_item(\"~/\"), SLUG_TILDE_ONTOLOGY_ROOT);\n+        assert_eq!(\n+            normalize_slug_ontology_storage_url(\"https://slug.social/~/\"),\n+            SLUG_TILDE_ONTOLOGY_ROOT.to_string()\n+        );\n+        assert_eq!(\n+            CanonicalItemUrl::parse(\"https://slug.social/~/\")\n+                .unwrap()\n+                .as_str(),\n+            SLUG_TILDE_ONTOLOGY_ROOT\n+        );\n+        let legacy = CanonicalItemUrl(\"https://slug.social/~/\".to_string());\n+        assert_eq!(legacy.normalized_storage().as_str(), SLUG_TILDE_ONTOLOGY_ROOT);\n+    }\n+\n+    #[test]\n+    fn tilde_http_path_tail_maps_router_segment() {\n+        assert_eq!(\n+            TildeHttpPathTail::new(\"\").to_canonical(),\n+            CanonicalItemUrl::ontology_root()\n+        );\n+        assert_eq!(\n+            tilde_http_path_to_canonical(\"topic/x\").as_str(),\n+            \"https://slug.social/~/topic/x\"\n+        );\n+    }\n+\n+    #[test]\n+    fn display_path_slug_ontology_root() {\n+        let r = CanonicalItemUrl::ontology_root();\n+        assert_eq!(r.display_path(), \"~/\");\n+        assert_eq!(r.tilde_tail(), Some(\"\"));\n     }\n \n     #[test]\n\n\nSide B — contributor: tommy-mor\nSide B — commit message:\n[c7ef287e] Rank every eligible commit with the LLM council.\n\nStop short-circuiting on a single contributor; pairwise-sort commits, roll scores up for emission payouts, and surface commit rankings on epoch pages.\n\nCo-authored-by: Cursor <cursoragent@cursor.com>\n\nSide B — unified diff (full patch):\ndiff --git a/constitution.py b/constitution.py\nindex 26ba130e885e0e69fb7874ca5c3f07f42100a150..71fc46b4c9a4d7a9ea7bf319860b0db1acc4a673 100644\n--- a/constitution.py\n+++ b/constitution.py\n@@ -503,20 +503,22 @@ def _epochs_in_ledger() -> list[int]:\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+    return f\"\"\"You are ranking individual git commits to an open source project.\n+Compare these two commits. Decide which commit contributed more.\n Return ONLY a JSON object: {{\"winner\": \"A\" or \"B\", \"ratio\": \"N:M\", \"explanation\": \"...\"}}\n \n-Side A — commit messages:\n+Side A — contributor: {side_a.get('contributor', '?')}\n+Side A — commit message:\n {side_a['message']}\n \n-Side A — unified diffs (full patches):\n+Side A — unified diff (full patch):\n {side_a['diff']}\n \n-Side B — commit messages:\n+Side B — contributor: {side_b.get('contributor', '?')}\n+Side B — commit message:\n {side_b['message']}\n \n-Side B — unified diffs (full patches):\n+Side B — unified diff (full patch):\n {side_b['diff']}\"\"\"\n \n \n@@ -1518,16 +1520,28 @@ async def broadcast_js(js: str):\n         await queue.put(js)\n \n \n-def _author_side_for_llm(author: str, author_commits: dict) -> dict:\n-    cs = author_commits[author]\n+def _commit_side_for_llm(row: dict) -> dict:\n+    oid = row[\"oid\"]\n+    short = oid.split(\":\", 1)[1][:8] if \":\" in oid else oid[:8]\n     return {\n-        \"message\": \"\\n\".join(f\"[{c['sha']}] {c['message']}\" for c in cs),\n-        \"diff\": \"\\n\\n\".join(f\"=== {c['sha']} ===\\n{c['diff']}\" for c in cs),\n-        \"commit_ids\": [c[\"commit_id\"] for c in cs],\n-        \"contributor\": author,\n+        \"message\": f\"[{short}] {row['message']}\",\n+        \"diff\": row[\"patch\"] or \"\",\n+        \"commit_id\": commit_id_for_oid(oid),\n+        \"contributor\": row[\"contributor\"],\n+        \"oid\": oid,\n     }\n \n \n+def _rollup_contributor_scores(\n+    ordered: list[dict], commit_scores: list[Decimal]\n+) -> dict[str, Decimal]:\n+    totals: dict[str, Decimal] = {}\n+    for row, score in zip(ordered, commit_scores):\n+        contributor = row[\"contributor\"]\n+        totals[contributor] = totals.get(contributor, Decimal(\"0\")) + score\n+    return totals\n+\n+\n def _find_judgment(comparison_id: str, model_id: str) -> dict | None:\n     for e in evidence_by_kind(\"llm.judgment\"):\n         p = e.payload\n@@ -1546,101 +1560,106 @@ def _find_ranking_models(ranking_run_id: str) -> list[str] | None:\n \n \n async def rank_commits(commits: list[dict], *, epoch: int = -1):\n+    \"\"\"Pairwise-rank every eligible commit; roll scores up to contributors.\"\"\"\n     if not commits:\n         return {}, [], {\"ranking_run_id\": \"\", \"ranking_event_id\": \"\"}\n \n-    commit_ids = sorted(commit_id_for_oid(row[\"oid\"]) for row in commits)\n+    ordered = sorted(commits, key=lambda r: r[\"oid\"])\n+    commit_ids = [commit_id_for_oid(row[\"oid\"]) for row in ordered]\n     ranking_run_id = _content_id(\"rank\", {\n         \"epoch\": epoch,\n-        \"commit_ids\": commit_ids,\n+        \"commit_ids\": sorted(commit_ids),\n     })\n-    contributors = sorted(set(c[\"contributor\"] for c in commits))\n+    contributors = sorted({c[\"contributor\"] for c in ordered})\n \n-    if len(contributors) == 1:\n+    # Nothing to compare: a single commit (not a single contributor).\n+    if len(ordered) == 1:\n         await append_evidence(epoch, \"ranking.started\", {\n             \"ranking_run_id\": ranking_run_id,\n             \"commit_ids\": commit_ids,\n             \"contributors\": contributors,\n             \"models\": [],\n-            \"summary\": f\"ranking epoch {epoch}: single contributor\",\n+            \"summary\": f\"ranking epoch {epoch}: single commit\",\n         })\n-        ranking = {contributors[0]: Decimal(\"1\")}\n+        commit_ranking = {commit_ids[0]: \"1\"}\n+        contributor_ranking = {ordered[0][\"contributor\"]: Decimal(\"1\")}\n         completed = await append_evidence(epoch, \"ranking.completed\", {\n             \"ranking_run_id\": ranking_run_id,\n             \"models\": [],\n-            \"ranking\": {contributors[0]: \"1\"},\n+            \"commit_ranking\": commit_ranking,\n+            \"contributor_ranking\": {ordered[0][\"contributor\"]: \"1\"},\n+            \"ranking\": {ordered[0][\"contributor\"]: \"1\"},\n             \"judgment_ids\": [],\n-            \"summary\": f\"Only {contributors[0]} is eligible; rank is 1.0\",\n+            \"summary\": f\"Only one eligible commit; {ordered[0]['contributor']} rank 1.0\",\n         })\n         await broadcast_audit(\n             \"ranking\",\n-            f\"Only {contributors[0]} is eligible; rank is 1.0\",\n+            f\"Only one eligible commit; {ordered[0]['contributor']} rank 1.0\",\n             progress=90,\n             phase=\"finalizing\",\n             evidence_event_id=completed.event_id,\n             evidence_url=_evidence_url(\"event\", completed.event_id),\n             links={\"epoch\": _evidence_url(\"epoch\", str(epoch))},\n         )\n-        return ranking, [], {\n+        return contributor_ranking, [], {\n             \"ranking_run_id\": ranking_run_id,\n             \"ranking_event_id\": completed.event_id,\n         }\n \n     if not (OPENROUTER_API_KEY or \"\").strip():\n         raise RuntimeError(\n-            \"OPENROUTER_API_KEY is required when multiple contributors need ranking\"\n+            \"OPENROUTER_API_KEY is required when multiple commits need ranking\"\n         )\n \n     models = _find_ranking_models(ranking_run_id)\n     if models is None:\n         models = await fetch_top_models(n=3)\n     if not models:\n-        raise RuntimeError(\"no council models available for contributor ranking\")\n+        raise RuntimeError(\"no council models available for commit ranking\")\n     await append_evidence(epoch, \"ranking.started\", {\n         \"ranking_run_id\": ranking_run_id,\n         \"commit_ids\": commit_ids,\n         \"contributors\": contributors,\n         \"models\": models,\n-        \"summary\": f\"Council selected: {', '.join(models)}\",\n+        \"summary\": (\n+            f\"Council selected: {', '.join(models)} — \"\n+            f\"{len(ordered)} commits\"\n+        ),\n     })\n     await broadcast_audit(\n         \"council\",\n-        f\"Council selected: {', '.join(models)}\",\n+        f\"Council selected: {', '.join(models)} — ranking {len(ordered)} commits\",\n         progress=35,\n         phase=\"ranking\",\n     )\n     await broadcast_js(exec_event(Three[Selector(\"#emission-log\")][PREPEND][\n-        [\"div.log-council\", f\"Council: {', '.join(models)} — {len(commits)} commits\"]\n+        [\"div.log-council\",\n+            f\"Council: {', '.join(models)} — {len(ordered)} commits\"]\n     ]))\n \n-    authors = contributors\n-    author_commits = {a: [] for a in authors}\n-    for row in sorted(commits, key=lambda r: r[\"oid\"]):\n-        author_commits[row[\"contributor\"]].append({\n-            \"message\": row[\"message\"],\n-            \"sha\": row[\"oid\"].split(\":\", 1)[1][:8],\n-            \"diff\": row[\"patch\"],\n-            \"commit_id\": commit_id_for_oid(row[\"oid\"]),\n-        })\n-\n+    sides = [_commit_side_for_llm(row) for row in ordered]\n     judgment_ids: list[str] = []\n \n     async def compare_fn(i, j):\n-        a1, a2 = authors[i], authors[j]\n-        side_a = _author_side_for_llm(a1, author_commits)\n-        side_b = _author_side_for_llm(a2, author_commits)\n+        side_a, side_b = sides[i], sides[j]\n+        label_a = f\"{side_a['commit_id'][:16]} ({side_a['contributor']})\"\n+        label_b = f\"{side_b['commit_id'][:16]} ({side_b['contributor']})\"\n         prompt = build_pairwise_prompt(side_a, side_b)\n         comparison_material = {\n             \"ranking_run_id\": ranking_run_id,\n             \"side_a\": {\n-                \"contributor\": a1,\n-                \"commit_ids\": side_a[\"commit_ids\"],\n+                \"contributor\": side_a[\"contributor\"],\n+                \"commit_id\": side_a[\"commit_id\"],\n+                \"commit_ids\": [side_a[\"commit_id\"]],\n+                \"oid\": side_a[\"oid\"],\n                 \"message\": _bytes_blob(side_a[\"message\"]),\n                 \"diff\": _bytes_blob(side_a[\"diff\"]),\n             },\n             \"side_b\": {\n-                \"contributor\": a2,\n-                \"commit_ids\": side_b[\"commit_ids\"],\n+                \"contributor\": side_b[\"contributor\"],\n+                \"commit_id\": side_b[\"commit_id\"],\n+                \"commit_ids\": [side_b[\"commit_id\"]],\n+                \"oid\": side_b[\"oid\"],\n                 \"message\": _bytes_blob(side_b[\"message\"]),\n                 \"diff\": _bytes_blob(side_b[\"diff\"]),\n             },\n@@ -1650,22 +1669,24 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):\n         comparison_material = {\n             **comparison_material,\n             \"comparison_id\": comparison_id,\n-            \"summary\": f\"Comparing {a1} with {a2}\",\n+            \"summary\": f\"Comparing {label_a} with {label_b}\",\n         }\n         cmp_ev = await append_evidence(epoch, \"comparison.input\", comparison_material)\n         await broadcast_audit(\n             \"comparison\",\n-            f\"Comparing {a1} with {a2}\",\n+            f\"Comparing commits {label_a} vs {label_b}\",\n             phase=\"ranking\",\n             evidence_event_id=cmp_ev.event_id,\n             evidence_url=_evidence_url(\"comparison\", comparison_id),\n             links={\n                 \"comparison\": _evidence_url(\"comparison\", comparison_id),\n+                \"commit_a\": _evidence_url(\"commit\", side_a[\"commit_id\"]),\n+                \"commit_b\": _evidence_url(\"commit\", side_b[\"commit_id\"]),\n                 \"epoch\": _evidence_url(\"epoch\", str(epoch)),\n             },\n         )\n         await broadcast_js(exec_event(Three[Selector(\"#emission-status\")][MORPH][\n-            [\"div#emission-status\", f\"Comparing {a1} vs {a2}…\"]\n+            [\"div#emission-status\", f\"Comparing {label_a} vs {label_b}…\"]\n         ]))\n         results = []\n         for model in models:\n@@ -1697,9 +1718,15 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):\n                 jud_id = (existing or _find_judgment(comparison_id, model) or {}).get(\n                     \"judgment_id\"\n                 )\n+                win_label = (\n+                    f\"{sides[w]['commit_id'][:16]} ({sides[w]['contributor']})\"\n+                )\n+                lose_label = (\n+                    f\"{sides[l]['commit_id'][:16]} ({sides[l]['contributor']})\"\n+                )\n                 await broadcast_audit(\n                     \"vote\",\n-                    f\"{model}: {authors[w]} over {authors[l]} ({result['ratio']})\",\n+                    f\"{model}: {win_label} over {lose_label} ({result['ratio']})\",\n                     phase=\"ranking\",\n                     evidence_url=(\n                         _evidence_url(\"judgment\", jud_id) if jud_id else None\n@@ -1714,8 +1741,8 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):\n                 await broadcast_js(exec_event(Three[Selector(\"#emission-log\")][PREPEND][\n                     [\"div.log-vote\",\n                         [\"span.model\", model], \" — \",\n-                        [\"span.winner\", authors[w]], f\" beat \",\n-                        [\"span.loser\", authors[l]], f\" ({result['ratio']}) \",\n+                        [\"span.winner\", win_label], f\" beat \",\n+                        [\"span.loser\", lose_label], f\" ({result['ratio']}) \",\n                         [\"span.explanation\", result[\"explanation\"]],\n                     ]\n                 ]))\n@@ -1745,24 +1772,46 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):\n             [\"div#emission-status\", label]\n         ]))\n \n-    pairs = await pairwise_rank(len(authors), compare_fn, progress_fn)\n+    pairs = await pairwise_rank(len(ordered), compare_fn, progress_fn)\n \n     if not pairs:\n-        ranking = {authors[0]: Decimal(\"1\")} if authors else {}\n+        commit_score_list = [Decimal(\"1\")]\n     else:\n         scores = rank_centrality(pairs)\n-        ranking = {authors[i]: Decimal(str(scores[i])) for i in range(len(authors))}\n-    ranking_rows = sorted(ranking.items(), key=lambda x: x[1], reverse=True)\n+        commit_score_list = [Decimal(str(scores[i])) for i in range(len(ordered))]\n+\n+    commit_ranking = {\n+        commit_ids[i]: str(commit_score_list[i]) for i in range(len(ordered))\n+    }\n+    contributor_totals = _rollup_contributor_scores(ordered, commit_score_list)\n+    contrib_rows = sorted(\n+        contributor_totals.items(), key=lambda x: x[1], reverse=True\n+    )\n+    commit_rows = sorted(\n+        ((commit_ids[i], commit_score_list[i], ordered[i][\"contributor\"])\n+         for i in range(len(ordered))),\n+        key=lambda x: x[1],\n+        reverse=True,\n+    )\n     completed = await append_evidence(epoch, \"ranking.completed\", {\n         \"ranking_run_id\": ranking_run_id,\n         \"models\": models,\n-        \"ranking\": {a: str(s) for a, s in ranking_rows},\n+        \"commit_ranking\": commit_ranking,\n+        \"contributor_ranking\": {a: str(s) for a, s in contrib_rows},\n+        \"ranking\": {a: str(s) for a, s in contrib_rows},\n         \"judgment_ids\": judgment_ids,\n-        \"summary\": \"Ranking: \" + \", \".join(f\"{a} {s:.4f}\" for a, s in ranking_rows),\n+        \"summary\": (\n+            \"Commit ranking: \"\n+            + \", \".join(\n+                f\"{cid[:16]}={float(s):.4f}\" for cid, s, _ in commit_rows[:12]\n+            )\n+            + (\"…\" if len(commit_rows) > 12 else \"\")\n+        ),\n     })\n     await broadcast_audit(\n         \"ranking\",\n-        \"Ranking: \" + \", \".join(f\"{a} {s:.4f}\" for a, s in ranking_rows),\n+        \"Contributor rollup: \"\n+        + \", \".join(f\"{a} {s:.4f}\" for a, s in contrib_rows),\n         progress=90,\n         phase=\"finalizing\",\n         evidence_event_id=completed.event_id,\n@@ -1772,10 +1821,10 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):\n     await broadcast_js(exec_event(Three[Selector(\"#emission-log\")][PREPEND][\n         [\"div.log-ranking\",\n             [\"b\", \"Ranking: \"],\n-            *[[\"span.rank-entry\", f\"{a} {float(s):.3f}  \"] for a, s in ranking_rows],\n+            *[[\"span.rank-entry\", f\"{a} {float(s):.3f}  \"] for a, s in contrib_rows],\n         ]\n     ]))\n-    return ranking, models, {\n+    return contributor_totals, models, {\n         \"ranking_run_id\": ranking_run_id,\n         \"ranking_event_id\": completed.event_id,\n     }\n@@ -2352,6 +2401,23 @@ async def epoch_detail(epoch: int):\n \n     ranking_nodes: list = []\n     if ranking_completed:\n+        commit_ranking = ranking_completed.payload.get(\"commit_ranking\") or {}\n+        contrib_ranking = (\n+            ranking_completed.payload.get(\"contributor_ranking\")\n+            or ranking_completed.payload.get(\"ranking\")\n+            or {}\n+        )\n+        commit_rank_links = [\n+            (\n+                f\"{cid[:20]} = {score}\",\n+                _evidence_path(\"commit\", cid),\n+            )\n+            for cid, score in sorted(\n+                commit_ranking.items(),\n+                key=lambda kv: Decimal(str(kv[1])),\n+                reverse=True,\n+            )\n+        ]\n         ranking_nodes = [\n             [\"p\", ranking_completed.payload.get(\"summary\") or \"ranking completed\"],\n             _dl_rows([\n@@ -2362,10 +2428,10 @@ async def epoch_detail(epoch: int):\n                     ranking_completed.event_id,\n                 )),\n             ]),\n-            [\"pre.blob\", json.dumps(\n-                ranking_completed.payload.get(\"ranking\") or {},\n-                indent=2, sort_keys=True,\n-            )],\n+            [\"h3\", \"commit ranking\"],\n+            _link_list(commit_rank_links) if commit_rank_links else [\"p.note\", \"(none)\"],\n+            [\"h3\", \"contributor rollup\"],\n+            [\"pre.blob\", json.dumps(contrib_ranking, indent=2, sort_keys=True)],\n         ]\n     elif ranking_started:\n         ranking_nodes = [[\"p.note\", f\"Ranking started: {ranking_started.event_id}\"]]\n@@ -2386,14 +2452,9 @@ async def epoch_detail(epoch: int):\n     else:\n         emission_node = [\"p.note\", \"No emission for this epoch.\"]\n \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+    if len(commit_evs) <= 1:\n+        no_comparisons_note += \" Fewer than two eligible commits — nothing to pairwise-rank.\"\n \n     body = [\n         _evidence_nav(),\n@@ -2511,9 +2572,14 @@ async def comparison_detail(comparison_id: str):\n                     j.payload.get(\"summary\") or jid,\n                     _evidence_path(\"judgment\", jid),\n                 ))\n-    commit_links = []\n-    for cid in (side_a.get(\"commit_ids\") or []) + (side_b.get(\"commit_ids\") or []):\n-        commit_links.append((cid, _evidence_path(\"commit\", cid)))\n+    commit_ids = []\n+    for side in (side_a, side_b):\n+        cid = side.get(\"commit_id\")\n+        if cid:\n+            commit_ids.append(cid)\n+        else:\n+            commit_ids.extend(side.get(\"commit_ids\") or [])\n+    commit_links = [(cid, _evidence_path(\"commit\", cid)) for cid in commit_ids]\n     return _evidence_page(f\"comparison {comparison_id[:24]}\", [\n         _evidence_nav(_a(_evidence_path(\"epoch\", str(ev.epoch)), f\"epoch {ev.epoch}\")),\n         [\"div.eyebrow\", \"comparison\"],\n@@ -2522,8 +2588,8 @@ async def comparison_detail(comparison_id: str):\n             (\"summary\", p.get(\"summary\")),\n             (\"ranking_run_id\", p.get(\"ranking_run_id\")),\n             (\"evidence_event\", _a(_evidence_path(\"event\", ev.event_id), ev.event_id)),\n-            (\"side_a\", side_a.get(\"contributor\")),\n-            (\"side_b\", side_b.get(\"contributor\")),\n+            (\"side_a\", f\"{side_a.get('commit_id', '?')} ({side_a.get('contributor', '?')})\"),\n+            (\"side_b\", f\"{side_b.get('commit_id', '?')} ({side_b.get('contributor', '?')})\"),\n         ]),\n         [\"p\", _a(f\"/comparisons/{comparison_id}/prompt\", \"download prompt\")],\n         [\"h2\", \"commits\"],\n@@ -2534,12 +2600,12 @@ async def comparison_detail(comparison_id: str):\n         _link_list(judgment_links),\n         [\"h2\", \"prompt\"],\n         _pre_blob(_blob_text(p.get(\"prompt\"))),\n-        [\"h2\", f\"side A — {side_a.get('contributor', '?')}\"],\n+        [\"h2\", f\"side A — {side_a.get('commit_id', side_a.get('contributor', '?'))}\"],\n         [\"h3\", \"message\"],\n         _pre_blob(_blob_text(side_a.get(\"message\"))),\n         [\"h3\", \"diff\"],\n         _pre_blob(_blob_text(side_a.get(\"diff\"))),\n-        [\"h2\", f\"side B — {side_b.get('contributor', '?')}\"],\n+        [\"h2\", f\"side B — {side_b.get('commit_id', side_b.get('contributor', '?'))}\"],\n         [\"h3\", \"message\"],\n         _pre_blob(_blob_text(side_b.get(\"message\"))),\n         [\"h3\", \"diff\"],\n@@ -3156,9 +3222,9 @@ async def watch():\n                 ],\n                 [\"p.note\",\n                     (\n-                        \"Pairwise council voting is ready.\"\n+                        \"Pairwise council ranks every eligible commit.\"\n                         if key_ok else\n-                        \"Single-contributor epochs can finalize, but contested rankings require OPENROUTER_API_KEY.\"\n+                        \"Epochs with two or more eligible commits require OPENROUTER_API_KEY.\"\n                     )\n                 ],\n             ],\ndiff --git a/tests/integration.clj b/tests/integration.clj\nindex 11140e95a8cd86768a661a30e6b29a3ddfc95fcc..39b2476cb5ddf80733769f61343c81ba7287a974 100644\n--- a/tests/integration.clj\n+++ b/tests/integration.clj\n@@ -507,7 +507,7 @@\n \n         (bind or-state @(:state or-mock))\n         (assert! (pos? (:model-requests or-state))    \"OpenRouter /models was called\")\n-        (assert! (>= (:compare-requests or-state) 3) \"at least 3 pairwise LLM calls (2 authors × 3 models)\")\n+        (assert! (>= (:compare-requests or-state) 3) \"at least 3 pairwise LLM calls (2 commits × 3 models)\")\n \n         (bind ledger2 (get-json base-url \"/api/ledger\"))\n         (assert! (>= (count ledger2) 3)\n@@ -543,6 +543,8 @@\n                  \"epoch page links comparisons\")\n         (assert! (str/includes? epoch-html \"/judgments/\")\n                  \"epoch page links judgments\")\n+        (assert! (str/includes? epoch-html \"commit ranking\")\n+                 \"epoch page shows per-commit ranking\")\n         (bind commit-href\n           (second (re-find #\"/commits/(c_[a-f0-9]+)\" epoch-html)))\n         (assert! (some? commit-href) \"found a commit id on epoch page\")\ndiff --git a/tests/test_git_discovery.py b/tests/test_git_discovery.py\nindex 00d26bfa85737b178c8822804e278211974e0efe..0f002a58bd9a122d41c5a85e32c16ed2b4404d2f 100644\n--- a/tests/test_git_discovery.py\n+++ b/tests/test_git_discovery.py\n@@ -434,7 +434,7 @@ def test_emission_distribution_sums_exactly_to_total(\n     assert entry.discovery_snapshot_id == \"ranked-snapshot\"\n \n \n-def test_single_contributor_ranking_is_total_and_uses_no_pairwise_votes(\n+def test_single_commit_ranking_skips_pairwise(\n     discovery_config, monkeypatch,\n ):\n     monkeypatch.setattr(c, \"store\", c.JsonlStore(discovery_config / \"ledger.jsonl\"))\n@@ -454,6 +454,65 @@ def test_single_contributor_ranking_is_total_and_uses_no_pairwise_votes(\n     assert info[\"ranking_event_id\"]\n \n \n+def test_same_contributor_multiple_commits_runs_pairwise(\n+    discovery_config, monkeypatch,\n+):\n+    monkeypatch.setattr(c, \"store\", c.JsonlStore(discovery_config / \"ledger.jsonl\"))\n+    calls = {\"n\": 0}\n+\n+    async def models(n=3):\n+        return [\"m1\", \"m2\", \"m3\"]\n+\n+    async def compare(model_id, side_a, side_b, **kwargs):\n+        calls[\"n\"] += 1\n+        assert \"commit_id\" in side_a and \"commit_id\" in side_b\n+        if kwargs.get(\"persist\"):\n+            attempt_id = c.attempt_id_for(kwargs[\"comparison_id\"], model_id, 1)\n+            await c.append_evidence(kwargs[\"epoch\"], \"llm.judgment\", {\n+                \"judgment_id\": c.judgment_id_for({\n+                    \"attempt_id\": attempt_id,\n+                    \"comparison_id\": kwargs[\"comparison_id\"],\n+                    \"model_id\": model_id,\n+                    \"winner\": \"A\",\n+                    \"ratio\": \"2:1\",\n+                    \"explanation\": \"ok\",\n+                }),\n+                \"attempt_id\": attempt_id,\n+                \"comparison_id\": kwargs[\"comparison_id\"],\n+                \"model_id\": model_id,\n+                \"winner\": \"A\",\n+                \"ratio\": \"2:1\",\n+                \"explanation\": \"ok\",\n+                \"summary\": \"ok\",\n+            })\n+        return {\"winner\": \"A\", \"ratio\": \"2:1\", \"explanation\": \"ok\"}\n+\n+    monkeypatch.setattr(c, \"fetch_top_models\", models)\n+    monkeypatch.setattr(c, \"llm_pairwise_compare\", compare)\n+    monkeypatch.setattr(c, \"OPENROUTER_API_KEY\", \"test-key\")\n+    commits = [\n+        {\n+            \"contributor\": \"alice\",\n+            \"oid\": \"sha1:\" + char * 40,\n+            \"message\": f\"msg-{char}\",\n+            \"patch\": f\"patch-{char}\",\n+        }\n+        for char in (\"a\", \"b\", \"c\")\n+    ]\n+    ranking, used, info = asyncio.run(c.rank_commits(commits, epoch=0))\n+    assert set(ranking) == {\"alice\"}\n+    assert ranking[\"alice\"] > 0\n+    assert used == [\"m1\", \"m2\", \"m3\"]\n+    assert calls[\"n\"] >= 3\n+    completed = next(\n+        e for e in c.store.read()\n+        if isinstance(e, c.Evidence) and e.kind == \"ranking.completed\"\n+    )\n+    assert len(completed.payload[\"commit_ranking\"]) == 3\n+    assert \"alice\" in completed.payload[\"contributor_ranking\"]\n+    assert info[\"ranking_event_id\"]\n+\n+\n def test_any_council_failure_aborts_ranking(discovery_config, monkeypatch):\n     monkeypatch.setattr(c, \"store\", c.JsonlStore(discovery_config / \"ledger.jsonl\"))\n \n@@ -479,16 +538,16 @@ def test_any_council_failure_aborts_ranking(discovery_config, monkeypatch):\n         asyncio.run(c.rank_commits(commits, epoch=0))\n \n \n-def test_contested_ranking_requires_openrouter_key(monkeypatch):\n+def test_multi_commit_ranking_requires_openrouter_key(monkeypatch):\n     monkeypatch.setattr(c, \"OPENROUTER_API_KEY\", \"\")\n     commits = [\n         {\n-            \"contributor\": contributor,\n+            \"contributor\": \"alice\",\n             \"oid\": \"sha1:\" + char * 40,\n-            \"message\": contributor,\n+            \"message\": char,\n             \"patch\": \"patch\",\n         }\n-        for contributor, char in [(\"alice\", \"a\"), (\"bob\", \"b\")]\n+        for char in (\"a\", \"b\")\n     ]\n     with pytest.raises(RuntimeError, match=\"OPENROUTER_API_KEY\"):\n         asyncio.run(c.rank_commits(commits))\n","role":"user"}],"model":"openai/gpt-chat-latest"}