constitution · epochs · watch · epoch 3

comparison

c_06fce70179bc (tommy-mor) vs c_fbeec5c4ad18 (tommy-mor)

download prompt · raw event · cmp_c681ae6977593a

council reasoning

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

Side B fixes a real design flaw (ranking collapsed to per-contributor comparisons, short-circuiting when only one contributor existed even with multiple commits) with a coherent refactor that ranks per-commit, rolls up scores, updates evidence pages, and adds targeted tests covering the new behavior. Side A is a substantial SSE-streaming feature addition for Reddit fetch UX with good logging, but it's more feature churn/plumbing than a structural correctness fix, and it also deletes some existing unit tests without clear justification.

~x-ai/grok-latest · winner B · 3:2 · permalink

B fixes lasting ranking design by pairwise-scoring every eligible commit (including multiple commits from one author) and rolling scores up, instead of short-circuiting on a single contributor and bundling patches; it also persists/surfaces commit_ranking on epoch pages with matching tests. A is a solid product refactor (SSE fetch stream, oneshot FetchJobResult, moved HTML/JS), but much of the diff is module relocation, dependency/lock churn, and logging rather than a governance-level correctness fix.

openai/gpt-chat-latest · winner B · 4:3 · permalink

Side B fixes the ranking model to compare individual commits rather than short-circuiting on contributors, introduces per-commit ranking with contributor rollups, updates prompts/evidence, and adds tests covering same-contributor multi-commit cases. Side A adds a useful SSE-based entity fetch flow with streaming UI updates and worker completion signaling, but it is partly a refactor plus feature split, while Side B corrects a core ownership-allocation algorithm in a way that more directly affects project correctness.

sides

A — c_06fce70179bc (tommy-mor)

message

[6d04afc2] refactor

diff preview

diff --git a/Cargo.lock b/Cargo.lock
index 2cea973082716e761ef6f5dd5886acc08ff9aac0..8c43fb75c472b102e6e1d3b837dce3355be898f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,28 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "async-stream"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.89"
@@ -1242,9 +1264,11 @@ dependencies = [
 name = "sorter2-server"
 version = "0.0.1"
 dependencies = [
+ "async-stream",
  "axum",
  "axum-extra",
  "dotenvy",
+ "futures-util",
  "maud",
  "reqwest",
  "serde",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index bd600138b613bd0f546bdec217a5334cdcb20aa5..c940acb687fb141d21760a3d6656172013cf6f41 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -18,6 +18,8 @@ tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 reqwest = { version = "0.12", features = ["json"] }
 dotenvy = "0.15"
+async-stream = "0.3"
+futures-util = { version = "0.3", default-features = false, features = ["std"] }
 
 [dev-dependencies]
 reqwest = { version = "0.12", features = ["json"] }
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index b33a84e8bb5e817b26592868d88090e6d664d950..7af6527d03c483f33f3469ce6766c01a554c5fe3 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -6,7 +6,8 @@ use axum::{
 use std::collections::HashMap;
 
 use crate::{
-    html::{entity_section, input_panel, js_string_literal, ranking_panel, JsBuilder},
+    fetch,
+    html::{input_panel, js_string_literal, ranking_panel, JsBuilder},
     parser::parse_reddit_url,
     path_types::ItemId,
     reddit::ensure_partial_tree,
@@ -89,18 +90,8 @@ pub async fn post_ui_html(
         },
         HtmlUiAction::FetchEntity { item } => {
             let id = parse_item_param(&item);
-            if id.is_root() {
-                return ui_js_warn("nothing to fetch for the root").into_response();
-            }
-            state.queue_entity_fetch(id.clone());
-            let tree = state.tree.read().await;
-            let empty = crate::reducer::NodeState::default();
-            let node = tree.get(&id).unwrap_or(&empty);
-            let panel = entity_section(&id, node, true);
-            JsBuilder::new()
-                .morph_selector("#entity-section", panel)
-                .into_response()
-        },
+            fetch::fetch_entity_stream(state, id).into_response()
+        }
     }
 }
 
diff --git a/server/src/fetch/html.rs b/server/src/fetch/html.rs
new file mode 100644
index 0000000000000000000000000000000000000000..63634508496e224c38b9ec0308b7a6086462f925
--- /dev/null
+++ b/server/src/fetch/html.rs
@@ -0,0 +1,67 @@
+//! Markup for entity import / “Fetch from Reddit” (`POST /ui`, SSE response).
+
+use maud::{html, Markup};
+
+use crate::{
+    form_template::template_json_compact,
+    path_types::ItemId,
+    reddit::is_fetchable,
+    reducer::NodeState,
+    ui_action::UI_RPC_FIELD,
+};
+
+fn entity_panel(node: &NodeState) -> Markup {
+    html! {
+        @if let Some(data) = &node.data {
+            div id="entity-panel" class="entity-card" {
+                h2 { (data.title) }
+                @if let Some(author) = &data.author {
+                    p class="muted small" { "by " (author) }
+                }
+                @if let Some(body) = &data.body_html {
+                    div class="entity-body" { (maud::PreEscaped(body)) }
+                }
+            }
+        }
+    }
+}
+
+/// Reddit/API import — `POST /ui` with `fetch_entity` returns an SSE stream.
+pub fn fetch_entity_panel(item: &ItemId, has_data: bool, fetching: bool) -> Markup {
+    if !is_fetchable(item) {
+        return html! {};
+    }
+    let label = if fetching {
+        "Fetching…"
+    } else if has_data {
+        "Fetch more"
+    } else {
+        "Fetch from Reddit"
+    };
+    let rpc = template_json_compact(&serde_json::json!({
+        "action": "fetch_entity",
+        "item": item.as_str(),
+    }))
+    .expect("fetch_entity rpc template");
+    html! {
+        form method="post" action="/ui" id="fetch-entity-form" class="fetch-entity-form" {
+            input type="hidden" name=(UI_RPC_FIELD) value=(rpc);
+            @if fetching {
+                button type="submit" class="btn-secondary" disabled { (label) }
+            } @else {
+                button type="submit" class="btn-secondary" { (label) }
+            }
+        }
+    }
+}
+
+/// Entity card + fetch control (target `#entity-section` for Idiomorph / SSE).
+pub fn entity_section(item: &ItemId, node: &NodeState, fetching: bool) -> Markup {
+    let has_data = node.data.is_some();
+    html! {
+        section id="entity-section" class="demo-panel" {
+            (entity_panel(node))
+            (fetch_entity_panel(item, has_data, fetching))
+        }
+    }
+}
diff --git a/server/src/fetch/mod.rs b/server/src/fetch/mod.rs
new file mode 100644
index 0000000000000000000000000000000000000000..2290f9d3a0f1cbf1806c6339f82a4515c11cc3d3
--- /dev/null
+++ b/server/src/fetch/mod.rs
@@ -0,0 +1,115 @@
+//! Entity import over `POST /ui` as SSE (Reddit worker in [`crate::reddit`]).
+
+pub mod html;
+
+use std::convert::Infallible;
+use std::time::Duration;
+
+use async_stream::stream;
+use axum::response::sse::{Event, KeepAlive, Sse};
+use futures_util::Stream;
+use serde::Serialize;
+use tokio::sync::oneshot;
+
+use crate::{
+    path_types::ItemId,
+    reddit::FetchJobResult,
+    reducer::NodeState,
+    state::AppState,
+};
+
+pub fn now_ms() -> i64 {
+    let t = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap_or_default();
+    t.as_millis() as i64
+}
+
+#[derive(Serialize)]
+struct SseMorphPayload {
+    selector: &'static str,
+    html: String,
+}
+
+fn morph_complete_event(html: maud::Markup) -> Event {
+    let payload = SseMorphPayload {
+        selector: "#entity-section",
+        html: html.into_string(),
+    };
+    let data = serde_json::to_string(&payload).unwrap_or_else(|_| "{}".into());
+    Event::default().event("complete").data(data)
+}
+
+/// Stream `fetching` → `complete` / `error` for [`crate::ui_action::HtmlUiAction::FetchEntity`].
+pub fn fetch_entity_stream(
+    state: AppState,
+    id: ItemId,
+) -> Sse<impl Stream<Item = Result<Event, Infallible>>> {
+    tracing::debug!(item = %id, "fetch entity stream opened");
+
+    let stream = stream! {
+        if id.is_root() {
+            yield Ok(Event::default().event("error").data("{\"message\":\"nothing to fetch for the root\"}"));
+            return;
+        }
+
+        if !crate::reddit::is_fetchable(&id) {
+            tracing::debug!(item = %id, "fetch stream: not fetchable");
+            yield Ok(Event::default().event("error").data("{\"message\":\"this page cannot be fetched from Reddit\"}"));
+            return;
+        }
+
+        let fetching_html = {
+            let tree = state.tree.read().await;
+            let empty = NodeState::default();
+            let node = tree.get(&id).unwrap_or(&empty);
+            html::entity_section(&id, node, true).into_string()
+        };
+        let fetching_payload = serde_json::json!({
+            "selector": "#entity-section",
+            "html": fetching_html,
+        });
+        yield Ok(Event::default().event("fetching").data(fetching_payload.to_string()));
+
+        let (tx, rx) = oneshot::channel();
+        state.reddit.request_fetch(id.clone(), true, Some(tx));
+        tracing::debug!(item = %id, "fetch stream: queued reddit job");
+
+        let result = match rx.await {
+            Ok(r) => r,
+            Err(_) => {
+                tracing::warn!(item = %id, "fetch stream: worker dropped oneshot");
+                FetchJobResult::Failed("reddit worker stopped".into())
+            }
+        };
+
+        tracing::debug!(item = %id, ?result, "fetch stream: job finished");
+
+        match result {
+            FetchJobResult::Imported | FetchJobResult::NotFound => {
+                let tree = state.tree.read().await;
+                let empty = NodeState::default();
+                let node = tree.get(&id).unwrap_or(&empty);
+                yield Ok(morph_complete_event(html::entity_section(&id, node, false)));
+            }
+            FetchJobResult::SkippedCached | FetchJobResult::SkippedDuplicate => {
+                let tree = state.tree.read().await;
+                let empty = NodeState::default();
+                let node = tree.get(&id).unwrap_or(&empty);
+                yield Ok(morph_complete_event(html::entity_section(&id, node, false)));
+            }
+            FetchJobResult::RateLimited { reset_secs } => {
+                yield Ok(Event::default().event("error").data(
+                    serde_json::json!({"message": format!("Reddit rate limit — retry in {reset_secs}s")}).to_string(),
+                ));
+            }
+            FetchJobResult::Failed(msg) => {
+                yield Ok(Event::default().event("error").data(
+                    serde_json::json!({"message": msg}).to_string(),
+                ));
+            }
+        }
+    };
+
+    Sse::new(stream).keep_alive(KeepAlive::new().interval(Duration::from_secs(15)))
+}
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index db5b4c7f06b0be64603981166835cde268234f67..9314a7556306ddab969b896dbf4126b542a46722 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -7,10 +7,10 @@ use axum::{
 use maud::{html, Markup, DOCTYPE};
 
 use crate::{
+    fetch::html::entity_section,
     form_template::template_json_compact,
     path_types::ItemId,
     ranking::{top_bottom, RankedItem},
-    reddit::is_fetchable,
     reducer::{GroupState, NodeState},
     state::AppState,
     ui_action::UI_RPC_FIELD,
@@ -149,62 +149,6 @@ pub fn breadcrumb_path(item: &ItemId) -> Markup {
     }
 }
 
-fn entity_panel(node: &NodeState) -> Markup {
-    html! {
-        @if let Some(data) = &node.data {
-            div id="entity-panel" class="entity-card" {
-                h2 { (data.title) }
-                @if let Some(author) = &data.author {
-                    p class="muted small" { "by " (author) }
-                }
-                @if let Some(body) = &data.body_html {
-                    div class="entity-body" { (maud::PreEscaped(body)) }
-                }
-            }
-        }
-    }
-}
-
-/// Reddit/API import control — only shown on fetchable pages; never auto-fires.
-pub fn fetch_entity_panel(item: &ItemId, has_data: bool, fetching: bool) -> Markup {
-    if !is_fetchable(item) {
-        return html! {};
-    }
-    let label = if fetching {
-        "Fetching…"
-    } else if has_data {
-        "Fetch more"
-    } else {
-        "Fetch from Reddit"
-    };
-    let rpc = template_json_compact(&serde_json::json!({
-        "action": "fetch_entity",
-        "item": item.as_str(),
-    }))
-    .expect("fetch_entity rpc template");
-    html! {
-        form method="post" action="/ui" id="fetch-entity-form" class="fetch-entity-form" {
-            input type="hidden" name=(UI_RPC_FIELD) value=(rpc);
-            @if fetching {
-                button type="submit" class="btn-secondary" disabled { (label) }
-            } @else {
-                button type="submit" class="btn-secondary" { (label) }
-            }
-        }
-    }
-}
-
-/// Entity 

… preview truncated; 22,618 characters omitted

download full diff A

B — c_fbeec5c4ad18 (tommy-mor)

message

[c7ef287e] Rank every eligible commit with the LLM council.

Stop short-circuiting on a single contributor; pairwise-sort commits, roll scores up for emission payouts, and surface commit rankings on epoch pages.

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

diff preview

diff --git a/constitution.py b/constitution.py
index 26ba130e885e0e69fb7874ca5c3f07f42100a150..71fc46b4c9a4d7a9ea7bf319860b0db1acc4a673 100644
--- a/constitution.py
+++ b/constitution.py
@@ -503,20 +503,22 @@ def _epochs_in_ledger() -> list[int]:
 
 
 def build_pairwise_prompt(side_a: dict, side_b: dict) -> str:
-    return f"""You are ranking contributions to an open source project.
-Compare these two sides (each may be one or more commits). Decide which side contributed more.
+    return f"""You are ranking individual git commits to an open source project.
+Compare these two commits. Decide which commit contributed more.
 Return ONLY a JSON object: {{"winner": "A" or "B", "ratio": "N:M", "explanation": "..."}}
 
-Side A — commit messages:
+Side A — contributor: {side_a.get('contributor', '?')}
+Side A — commit message:
 {side_a['message']}
 
-Side A — unified diffs (full patches):
+Side A — unified diff (full patch):
 {side_a['diff']}
 
-Side B — commit messages:
+Side B — contributor: {side_b.get('contributor', '?')}
+Side B — commit message:
 {side_b['message']}
 
-Side B — unified diffs (full patches):
+Side B — unified diff (full patch):
 {side_b['diff']}"""
 
 
@@ -1518,16 +1520,28 @@ async def broadcast_js(js: str):
         await queue.put(js)
 
 
-def _author_side_for_llm(author: str, author_commits: dict) -> dict:
-    cs = author_commits[author]
+def _commit_side_for_llm(row: dict) -> dict:
+    oid = row["oid"]
+    short = oid.split(":", 1)[1][:8] if ":" in oid else oid[:8]
     return {
-        "message": "\n".join(f"[{c['sha']}] {c['message']}" for c in cs),
-        "diff": "\n\n".join(f"=== {c['sha']} ===\n{c['diff']}" for c in cs),
-        "commit_ids": [c["commit_id"] for c in cs],
-        "contributor": author,
+        "message": f"[{short}] {row['message']}",
+        "diff": row["patch"] or "",
+        "commit_id": commit_id_for_oid(oid),
+        "contributor": row["contributor"],
+        "oid": oid,
     }
 
 
+def _rollup_contributor_scores(
+    ordered: list[dict], commit_scores: list[Decimal]
+) -> dict[str, Decimal]:
+    totals: dict[str, Decimal] = {}
+    for row, score in zip(ordered, commit_scores):
+        contributor = row["contributor"]
+        totals[contributor] = totals.get(contributor, Decimal("0")) + score
+    return totals
+
+
 def _find_judgment(comparison_id: str, model_id: str) -> dict | None:
     for e in evidence_by_kind("llm.judgment"):
         p = e.payload
@@ -1546,101 +1560,106 @@ def _find_ranking_models(ranking_run_id: str) -> list[str] | None:
 
 
 async def rank_commits(commits: list[dict], *, epoch: int = -1):
+    """Pairwise-rank every eligible commit; roll scores up to contributors."""
     if not commits:
         return {}, [], {"ranking_run_id": "", "ranking_event_id": ""}
 
-    commit_ids = sorted(commit_id_for_oid(row["oid"]) for row in commits)
+    ordered = sorted(commits, key=lambda r: r["oid"])
+    commit_ids = [commit_id_for_oid(row["oid"]) for row in ordered]
     ranking_run_id = _content_id("rank", {
         "epoch": epoch,
-        "commit_ids": commit_ids,
+        "commit_ids": sorted(commit_ids),
     })
-    contributors = sorted(set(c["contributor"] for c in commits))
+    contributors = sorted({c["contributor"] for c in ordered})
 
-    if len(contributors) == 1:
+    # Nothing to compare: a single commit (not a single contributor).
+    if len(ordered) == 1:
         await append_evidence(epoch, "ranking.started", {
             "ranking_run_id": ranking_run_id,
             "commit_ids": commit_ids,
             "contributors": contributors,
             "models": [],
-            "summary": f"ranking epoch {epoch}: single contributor",
+            "summary": f"ranking epoch {epoch}: single commit",
         })
-        ranking = {contributors[0]: Decimal("1")}
+        commit_ranking = {commit_ids[0]: "1"}
+        contributor_ranking = {ordered[0]["contributor"]: Decimal("1")}
         completed = await append_evidence(epoch, "ranking.completed", {
             "ranking_run_id": ranking_run_id,
             "models": [],
-            "ranking": {contributors[0]: "1"},
+            "commit_ranking": commit_ranking,
+            "contributor_ranking": {ordered[0]["contributor"]: "1"},
+            "ranking": {ordered[0]["contributor"]: "1"},
             "judgment_ids": [],
-            "summary": f"Only {contributors[0]} is eligible; rank is 1.0",
+            "summary": f"Only one eligible commit; {ordered[0]['contributor']} rank 1.0",
         })
         await broadcast_audit(
             "ranking",
-            f"Only {contributors[0]} is eligible; rank is 1.0",
+            f"Only one eligible commit; {ordered[0]['contributor']} rank 1.0",
             progress=90,
             phase="finalizing",
             evidence_event_id=completed.event_id,
             evidence_url=_evidence_url("event", completed.event_id),
             links={"epoch": _evidence_url("epoch", str(epoch))},
         )
-        return ranking, [], {
+        return contributor_ranking, [], {
             "ranking_run_id": ranking_run_id,
             "ranking_event_id": completed.event_id,
         }
 
     if not (OPENROUTER_API_KEY or "").strip():
         raise RuntimeError(
-            "OPENROUTER_API_KEY is required when multiple contributors need ranking"
+            "OPENROUTER_API_KEY is required when multiple commits need ranking"
         )
 
     models = _find_ranking_models(ranking_run_id)
     if models is None:
         models = await fetch_top_models(n=3)
     if not models:
-        raise RuntimeError("no council models available for contributor ranking")
+        raise RuntimeError("no council models available for commit ranking")
     await append_evidence(epoch, "ranking.started", {
         "ranking_run_id": ranking_run_id,
         "commit_ids": commit_ids,
         "contributors": contributors,
         "models": models,
-        "summary": f"Council selected: {', '.join(models)}",
+        "summary": (
+            f"Council selected: {', '.join(models)} — "
+            f"{len(ordered)} commits"
+        ),
     })
     await broadcast_audit(
         "council",
-        f"Council selected: {', '.join(models)}",
+        f"Council selected: {', '.join(models)} — ranking {len(ordered)} commits",
         progress=35,
         phase="ranking",
     )
     await broadcast_js(exec_event(Three[Selector("#emission-log")][PREPEND][
-        ["div.log-council", f"Council: {', '.join(models)} — {len(commits)} commits"]
+        ["div.log-council",
+            f"Council: {', '.join(models)} — {len(ordered)} commits"]
     ]))
 
-    authors = contributors
-    author_commits = {a: [] for a in authors}
-    for row in sorted(commits, key=lambda r: r["oid"]):
-        author_commits[row["contributor"]].append({
-            "message": row["message"],
-            "sha": row["oid"].split(":", 1)[1][:8],
-            "diff": row["patch"],
-            "commit_id": commit_id_for_oid(row["oid"]),
-        })
-
+    sides = [_commit_side_for_llm(row) for row in ordered]
     judgment_ids: list[str] = []
 
     async def compare_fn(i, j):
-        a1, a2 = authors[i], authors[j]
-        side_a = _author_side_for_llm(a1, author_commits)
-        side_b = _author_side_for_llm(a2, author_commits)
+        side_a, side_b = sides[i], sides[j]
+        label_a = f"{side_a['commit_id'][:16]} ({side_a['contributor']})"
+        label_b = f"{side_b['commit_id'][:16]} ({side_b['contributor']})"
         prompt = build_pairwise_prompt(side_a, side_b)
         comparison_material = {
             "ranking_run_id": ranking_run_id,
             "side_a": {
-                "contributor": a1,
-                "commit_ids": side_a["commit_ids"],
+                "contributor": side_a["contributor"],
+                "commit_id": side_a["commit_id"],
+                "commit_ids": [side_a["commit_id"]],
+                "oid": side_a["oid"],
                 "message": _bytes_blob(side_a["message"]),
                 "diff": _bytes_blob(side_a["diff"]),
             },
             "side_b": {
-                "contributor": a2,
-                "commit_ids": side_b["commit_ids"],
+                "contributor": side_b["contributor"],
+                "commit_id": side_b["commit_id"],
+                "commit_ids": [side_b["commit_id"]],
+                "oid": side_b["oid"],
                 "message": _bytes_blob(side_b["message"]),
                 "diff": _bytes_blob(side_b["diff"]),
             },
@@ -1650,22 +1669,24 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):
         comparison_material = {
             **comparison_material,
             "comparison_id": comparison_id,
-            "summary": f"Comparing {a1} with {a2}",
+            "summary": f"Comparing {label_a} with {label_b}",
         }
         cmp_ev = await append_evidence(epoch, "comparison.input", comparison_material)
         await broadcast_audit(
             "comparison",
-            f"Comparing {a1} with {a2}",
+            f"Comparing commits {label_a} vs {label_b}",
             phase="ranking",
             evidence_event_id=cmp_ev.event_id,
             evidence_url=_evidence_url("comparison", comparison_id),
             links={
                 "comparison": _evidence_url("comparison", comparison_id),
+                "commit_a": _evidence_url("commit", side_a["commit_id"]),
+                "commit_b": _evidence_url("commit", side_b["commit_id"]),
                 "epoch": _evidence_url("epoch", str(epoch)),
             },
         )
         await broadcast_js(exec_event(Three[Selector("#emission-status")][MORPH][
-            ["div#emission-status", f"Comparing {a1} vs {a2}…"]
+            ["div#emission-status", f"Comparing {label_a} vs {label_b}…"]
         ]))
         results = []
         for model in models:
@@ -1697,9 +1718,15 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):
                 jud_id = (existing or _find_judgment(comparison_id, model) or {}).get(
                     "judgment_id"
                 )
+                win_label = (
+                    f"{sides[w]['commit_id'][:16]} ({sides[w]['contributor']})"
+                )
+                lose_label = (
+                    f"{sides[l]['commit_id'][:16]} ({sides[l]['contributor']})"
+                )
                 await broadcast_audit(
                     "vote",
-                    f"{model}: {authors[w]} over {authors[l]} ({result['ratio']})",
+                    f"{model}: {win_label} over {lose_label} ({result['ratio']})",
                     phase="ranking",
                     evidence_url=(
                         _evidence_url("judgment", jud_id) if jud_id else None
@@ -1714,8 +1741,8 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):
                 await broadcast_js(exec_event(Three[Selector("#emission-log")][PREPEND][
                     ["div.log-vote",
                         ["span.model", model], " — ",
-                        ["span.winner", authors[w]], f" beat ",
-                        ["span.loser", authors[l]], f" ({result['ratio']}) ",
+                        ["span.winner", win_label], f" beat ",
+                        ["span.loser", lose_label], f" ({result['ratio']}) ",
                         ["span.explanation", result["explanation"]],
                     ]
                 ]))
@@ -1745,24 +1772,46 @@ async def rank_commits(commits: list[dict], *, epoch: int = -1):
             ["div#emission-status", label]
         ]))
 
-    pairs = await pairwise_rank(len(authors), compare_fn, progress_fn)
+    pairs = await pairwise_rank(len(ordered), compare_fn, progress_fn)
 
     if not pairs:
-        ranking = {authors[0]: Decimal("1")} if authors else {}
+        commit_score_list = [Decimal("1")]
     else:
         scores = rank_centrality(pairs)
-        ranking = {authors[i]: Decimal(str(scores[i])) for i in range(len(authors))}


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