constitution · epochs · watch · epoch 3

comparison

c_477013996fa5 (tommy-mor) vs c_6f04dcb2e38c (tommy-mor)

download prompt · raw event · cmp_068ce5c249be98

council reasoning

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

Side B removes a fragile legacy-projection code path (dead branching, ambiguous fallback logic) in favor of a single well-defined Evidence-envelope source of truth, simplifying multiple endpoints and updating tests/schema fields consistently, which is a real architectural cleanup with lasting maintainability value. Side A is a focused feature/UI improvement (fullscreen vote-compare page, edge-history sorting/legend) that's useful but more localized and cosmetic, touching CSS/markup without addressing core data-model correctness.

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

B permanently collapses dual-path epoch/commit rendering to Evidence envelopes only—deleting _legacy_commit_row/_legacy_observation and GitDiscovery projections, tightening Emission fields, and updating tests—so the ledger UI has one durable source of truth. A’s fullscreen compare shell, edge-history sort/ratios, and post-success preview morph are real product polish with tests, but they layer feature UX on garden voting rather than removing systemic ambiguity.

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

Side B removes the legacy GitDiscovery projection path and makes the evidence model authoritative by requiring evidence metadata on Emission, simplifying epoch/commit pages to rely only on Evidence envelopes and updating tests accordingly. Side A improves the vote-compare UI with a fullscreen layout, better edge-history sorting/display, and live preview updates after posting, but those are primarily user-interface enhancements rather than a core architectural simplification.

sides

A — c_477013996fa5 (tommy-mor)

message

[893a2007] fullscreen?

diff preview

diff --git a/agents.md b/agents.md
index d9a924d2f77c444d9b112bbf37a480b963ace4f0..1f66ddbeddd1e40310947c7eb474c1ac4858bc42 100644
--- a/agents.md
+++ b/agents.md
@@ -37,9 +37,9 @@ Strict **CSP** that blocks `eval` would break the current app. Other projects ma
 
 - **Non-morph `POST /ui` responses:** **`SetGardenPin`** returns **`303 See Other`** and **`Set-Cookie`** (same as **`POST /theme`**). Garden pin/unpin is a normal **`<form method="POST" action="/ui" data-navigate="full">`** — browser navigation applies cookies reliably (see **`test/browser_garden_pin.clj`**). Each **`__rpc__`** payload includes **`form_action: "/ui"`**; **`post_ui_html`** rejects mismatches to bind tokens to the UI endpoint.
 
-- **`VoteComparePost`:** On success returns **`text/javascript`** that **morphs** **`#vote-compare-preview`** (new ingest card) and **`#vote-edge-history-region`** (recomputed edge list). Uses **`RpcResult::PostOk`**’s **`post_id`** / **`post_index`** for the card. **`__rpc__`** carries **`form_action: "/ui"`**; **`thread_tag`** and ratio fields come from the same form as **`$form`** holes.
+- **`VoteComparePost`:** On success returns **`text/javascript`** that **morphs** **`#vote-compare-preview`** (new ingest card), **`#vote-edge-history-region`** (recomputed **`<ul>`** — ratios match **`left`/`right`** query order, bullets, sorted by strength toward **`left`** then newer). The compare **`GET`** page uses **`layout_full_bleed_chromeless`** (no breadcrumbs, no **`#controls`**, no **`slug-pin-hud`**; **`view-vote-compare-fullscreen`** full-width **`body`**). **`__rpc__`** carries **`form_action: "/ui"`**; **`thread_tag`** and ratio fields come from the same form as **`$form`** holes.
 
-- **Garden pin / compare voting:** Cookie **`slug_garden_pin`** via **`set_garden_pin`**. Pairwise UI: **`GET /vote/compare?…`** / **`GET /r/:room_key/vote/compare?…`**. HUD: **`#slug-pin-hud`** when **`layout`** passes garden metadata on **`body`**; the label is **`POST /ui`** **`set_garden_pin`** **`clear:true`** (**`slug_ui.js`**), not a permalink to the item.
+- **Garden pin / compare voting:** Cookie **`slug_garden_pin`** via **`set_garden_pin`**. Pairwise UI: **`GET /vote/compare?…`** / **`GET /r/:room_key/vote/compare?…`** (fullscreen **`GET`** page: no HUD; other garden pages). HUD (**`#slug-pin-hud`**): only when **`layout`** passes garden metadata on **`body`**; the label is **`POST /ui`** **`set_garden_pin`** **`clear:true`** (**`slug_ui.js`**), not a permalink to the item.
 
 **Rule of thumb:** New **CLI or API** verbs → `RpcCommand`. New **in-page morph or form-driven** behavior that only makes sense in the browser → `HtmlUiAction`. If both need the same operation, implement the real work once (e.g. call shared RPC helpers from `post_ui_html`) and keep the wire shapes separate.
 
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index 5aa6a86326ba3545d261322c010e02fe86ee1c57..696e7b3605e2e68aee0351116c494c2958506add 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -254,7 +254,17 @@ async fn dispatch_ui_action(
                         };
                         n
                     };
-                    let js = vote_compare_post_success_js(state, &nav, &left_id, &right_id).await;
+                    let js = vote_compare_post_success_js(
+                        state,
+                        &nav,
+                        &room,
+                        &thread_tag,
+                        &left_id,
+                        &right_id,
+                        pid.as_str(),
+                        post_index,
+                    )
+                    .await;
                     Response::builder()
                         .status(StatusCode::OK)
                         .header(header::CONTENT_TYPE, "text/javascript; charset=utf-8")
diff --git a/server/src/html/garden.rs b/server/src/html/garden.rs
index 121d9498e8cb93d4d001dc1bbce23d74fbb958f5..41f9e9c64a80a55a9d3ece2a6a1f592cf5e8d8dd 100644
--- a/server/src/html/garden.rs
+++ b/server/src/html/garden.rs
@@ -22,17 +22,17 @@ use crate::{
     },
     events::ThreadCapability,
     path_types::ItemId,
-    reducer::{ContentState, ReducerState, ScopeId},
+    reducer::{scope_from_room_wire, ContentState, ReducerState, ScopeId},
     scope_rank::{build_children_rankings, ChildrenRankings},
     state::AppState,
     timeago,
 };
 
 use super::{
-    bc_path, bc_path_external, bc_segment, cli_panel, layout, now_ms, ratio_pct,
-    render_linkified_with_embeds_in_scope, theme_from_jar, theme_next_from_uri,
+    bc_path, bc_path_external, bc_segment, cli_panel, layout, layout_full_bleed_chromeless, now_ms,
+    ratio_pct, render_linkified_with_embeds_in_scope, theme_from_jar, theme_next_from_uri,
     breadcrumb_path::{ExternalOntologyPath, OntologyPath},
-    forum::{ThreadNav},
+    forum::{ingest_entry_markup, ThreadNav},
 };
 
 /// `GET /vote/compare` — pairs `left` / `right` query params with optional `thread`.
@@ -89,25 +89,62 @@ fn canonical_edge_items(a: &ItemId, b: &ItemId) -> (ItemId, ItemId) {
     }
 }
 
-/// Votes whose endpoints are exactly this unordered pair, oldest first.
-fn votes_for_edge(content: &ContentState, a: &ItemId, b: &ItemId) -> Vec<crate::reducer::VoteData> {
+/// All votes whose endpoints are exactly this unordered pair (unsorted).
+fn edge_vote_entries_for_pair(content: &ContentState, a: &ItemId, b: &ItemId) -> Vec<crate::reducer::VoteData> {
     let (lo, hi) = canonical_edge_items(a, b);
     let lo_s = lo.as_str();
     let hi_s = hi.as_str();
-    let mut out: Vec<crate::reducer::VoteData> = content
+    content
         .item_votes
         .get(&lo)
         .into_iter()
         .flat_map(|q| q.iter())
         .filter(|v| {
-            let touches = (v.a.as_str() == lo_s && v.b.as_str() == hi_s)
-                || (v.a.as_str() == hi_s && v.b.as_str() == lo_s);
-            touches
+            (v.a.as_str() == lo_s && v.b.as_str() == hi_s)
+                || (v.a.as_str() == hi_s && v.b.as_str() == lo_s)
         })
         .cloned()
-        .collect();
-    out.sort_by_key(|v| v.ts);
-    out
+        .collect()
+}
+
+fn ratios_for_compare_page(v: &crate::reducer::VoteData, page_left: &ItemId, page_right: &ItemId) -> (i32, i32) {
+    let pl = page_left.as_str();
+    let pr = page_right.as_str();
+    match (v.a.as_str(), v.b.as_str()) {
+        (a, b) if a == pl && b == pr => (v.ratio_left, v.ratio_right),
+        (a, b) if a == pr && b == pl => (v.ratio_right, v.ratio_left),
+        _ => (v.ratio_left, v.ratio_right),
+    }
+}
+
+fn left_share_normalized(ratio_left: i32, ratio_right: i32) -> f64 {
+    let l = ratio_left.max(0) as f64;
+    let r = ratio_right.max(0) as f64;
+    let sum = l + r;
+    if sum <= 0.0 {
+        0.5
+    } else {
+        l / sum
+    }
+}
+
+/// Stronger preference for **`page_left` first**; ties **newer first**.
+fn sort_votes_for_compare_display(
+    mut votes: Vec<crate::reducer::VoteData>,
+    page_left: &ItemId,
+    page_right: &ItemId,
+) -> Vec<crate::reducer::VoteData> {
+    votes.sort_by(|va, vb| {
+        let (ratio_left_a, ratio_right_a) = ratios_for_compare_page(va, page_left, page_right);
+        let (ratio_left_b, ratio_right_b) = ratios_for_compare_page(vb, page_left, page_right);
+        let sa = left_share_normalized(ratio_left_a, ratio_right_a);
+        let sb = left_share_normalized(ratio_left_b, ratio_right_b);
+        match sb.partial_cmp(&sa).unwrap_or(std::cmp::Ordering::Equal) {
+            std::cmp::Ordering::Equal => vb.ts.cmp(&va.ts),
+            o => o,
+        }
+    });
+    votes
 }
 
 /// Number of vote ingests recorded for this unordered pair in `content` (same scope as ranking).
@@ -144,39 +181,40 @@ fn vote_edge_history_markup(
     content: &ContentState,
     left: &ItemId,
     right: &ItemId,
-    nav: &ThreadNav,
 ) -> maud::Markup {
-    let votes = votes_for_edge(content, left, right);
-    let (lo, hi) = canonical_edge_items(left, right);
+    let votes = edge_vote_entries_for_pair(content, left, right);
+    let votes = sort_votes_for_compare_display(votes, left, right);
+    let legend_left = item_display_path(left.as_str());
+    let legend_right = item_display_path(right.as_str());
     html! {
         @if votes.is_empty() {
             p class="muted vote-edge-empty" { "no votes on this pair in this scope yet" }
         } @else {
-            h3 class="vote-edge-history-title" { "votes on this edge" }
-            ol class="vote-edge-history" {
+            h3 class="vote-edge-history-title" {
+                "votes on this edge"
+                span class="vote-edge-history-axis muted" { " · " (legend_left) " : " (legend_right) }
+            }
+            ul class="vote-edge-history" {
                 @for v in &votes {
-                    @let (ratio_lo, ratio_hi) = if v.a == lo && v.b == hi {
-                        (v.ratio_left, v.ratio_right)
-                    } else {
-                        (v.ratio_right, v.ratio_left)
-                    };
-                    @let pct = ratio_pct(ratio_lo, ratio_hi);
-                    @let left_class = if lo.as_str() == left.as_str() { "ratio-left current" } else { "ratio-left" };
-                    @let right_class = if hi.as_str() == left.as_str() { "ratio-right current" } else { "ratio-right" };
-                    li class="vote-edge-history-row" {
+                    @let (r_left, r_right) = ratios_for_compare_page(v, left, right);
+                    @let pct = ratio_pct(r_left, r_right);
+                    @let row_tip = format!(
+                        "{}:{} counts toward {} (left of bar) vs {} (right of bar); #{} · @{}",
+                        r_left,
+                        r_right,
+                        legend_left,
+                        legend_right,
+                        v.thread_tag,
+                        v.principal,
+                    );
+                    li class="vote-edge-history-row" title=(row_tip) {
                         div class="vote-edge-meta" {
-                            a href=(nav.garden_item_href(&lo)) {
-                                code { (item_display_path(lo.as_str())) }
-                            }
-                            span class="vote-edge-ratio" { (format!("{}:{}", ratio_lo, ratio_hi)) }
-                            a href=(nav.garden_item_href(&hi)) {
-                                code { (item_display_path(hi.as_str())) }
-                            }
+                            span class="vote-edge-ratio" { (format!("{}:{}", r_left, r_right)) }
                             span class="muted" { " · #" (v.thread_tag) " · @" (v.principal) }
                         }
-                        div class="ratio-bar vote-edge-bar" {
-                            div class=(left_class) style={(format!("width: {:.3}%;", pct))} {}
-                            div class=(right_class) style={(format!("width: {:.3}%;", 100.0 - pct))} {}
+                        div class="ratio-bar vote-edge-bar" aria-hidden="true" {
+                            div class="ratio-left" style={(format!("width: {:.3}%;", pct))} {}
+                            div class="ratio-right" style={(format!("width: {:.3}%;", 100.0 - pct))} {}
                         }
                         @if !v.body.trim().is_empty() {
                             div class="vote-edge-reason muted" { (v.body.trim()) }
@@ -192,14 +230,33 @@ fn vote_edge_history_markup(
 pub(crate) async fn vote_compare_post_success_js(
     state: &AppState,
     nav: &ThreadNav,
+    room_wire: &str,
+    thread_tag: &str,
     left: &ItemId,
     right: &ItemId,
+    post_id: &str,
+    post_idx: Option<usize>,
 ) -> String {
     let reduced = state.reduced.read().await;
+    let scope = scope_from_room_wire(room_wire);
+    let Some(ing) = reduced.ingests_by_id.get(post_id).cloned() else {
+        drop(reduced);
+        return "console.warn('vo

… preview truncated; 11,546 characters omitted

download full diff A

B — c_6f04dcb2e38c (tommy-mor)

message

[bda5f8aa] Remove legacy evidence projection; Evidence envelopes only.

Epoch and commit pages no longer invent history from bare GitDiscovery rows. Production ledger will be wiped to re-emit under the current schema.

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

diff preview

diff --git a/constitution.py b/constitution.py
index 4dd5b9dfbba231d46289c490f91b1dd5b1018bcf..26ba130e885e0e69fb7874ca5c3f07f42100a150 100644
--- a/constitution.py
+++ b/constitution.py
@@ -210,10 +210,10 @@ class Emission:
     distributions: dict   # author -> amount str
     ranking: dict         # author -> score str
     models_used: list
-    discovery_snapshot_id: str = ""  # empty only for pre-discovery ledger history
-    evidence_schema_version: int = 1
-    ranking_run_id: str = ""
-    ranking_event_id: str = ""
+    discovery_snapshot_id: str
+    evidence_schema_version: int
+    ranking_run_id: str
+    ranking_event_id: str
 
 
 @event
@@ -502,26 +502,6 @@ def _epochs_in_ledger() -> list[int]:
     return sorted(epochs)
 
 
-def _legacy_commit_row(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:
-    for discovery in store.read():
-        if not isinstance(discovery, GitDiscovery):
-            continue
-        for commit in discovery.commits:
-            if commit_id_for_oid(commit["oid"]) == commit_id:
-                return discovery, commit
-    return None, None
-
-
-def _legacy_observation(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:
-    for discovery in store.read():
-        if not isinstance(discovery, GitDiscovery):
-            continue
-        for obs in discovery.observations:
-            if commit_id_for_oid(obs["oid"]) == commit_id:
-                return discovery, obs
-    return None, None
-
-
 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.
@@ -2040,7 +2020,7 @@ def _strip_heavy_fields(obj: dict) -> dict:
 
 @app.get("/api/ledger")
 async def get_ledger(offset: int = 0, limit: int = 100, full: int = 0):
-    """List of ledger dicts (backward-compatible). Heavy blobs stripped unless full=1."""
+    """List of ledger dicts. Heavy blobs stripped unless full=1."""
     limit = max(1, min(limit, 500))
     rows = []
     for e in store.read()[offset:offset + limit]:
@@ -2274,23 +2254,25 @@ async def epochs_index():
     epochs = _epochs_in_ledger()
     rows = []
     for epoch in epochs:
-        discovery = _discovery_for_epoch(epoch)
         emission = _emission_for_epoch(epoch)
-        evidence_n = sum(
-            1 for e in evidence_by_kind() if e.epoch == epoch
+        evidence_n = sum(1 for e in evidence_by_kind() if e.epoch == epoch)
+        disc = next(
+            (
+                e for e in evidence_by_kind("git.discovery_completed")
+                if e.epoch == epoch
+            ),
+            None,
         )
         detail = []
-        if discovery:
+        if disc:
             detail.append(
-                f"{len(discovery.commits)} eligible / "
-                f"{len(discovery.observations)} observed"
+                f"{disc.payload.get('eligible_count', 0)} eligible / "
+                f"{disc.payload.get('observation_count', 0)} observed"
             )
         if emission:
             detail.append(f"emitted {emission.total_emitted}")
         if evidence_n:
             detail.append(f"{evidence_n} evidence events")
-        elif discovery or emission:
-            detail.append("legacy (no Evidence envelopes)")
         rows.append(["li",
             _a(_evidence_path("epoch", str(epoch)), f"epoch {epoch}"),
             " — ",
@@ -2307,37 +2289,37 @@ async def epochs_index():
 
 @app.get("/epochs/{epoch}")
 async def epoch_detail(epoch: int):
-    discovery = _discovery_for_epoch(epoch)
     emission = _emission_for_epoch(epoch)
     evidence_rows = [e for e in evidence_by_kind() if e.epoch == epoch]
+    if not evidence_rows and emission is None:
+        return _evidence_page(f"epoch {epoch}", [
+            _evidence_nav(),
+            ["h1", f"epoch {epoch}"],
+            ["p.note", "No evidence for this epoch."],
+        ])
+
     commit_evs = [e for e in evidence_rows if e.kind == "git.commit"]
     comparison_evs = [e for e in evidence_rows if e.kind == "comparison.input"]
     judgment_evs = [e for e in evidence_rows if e.kind == "llm.judgment"]
+    discovery_ev = next(
+        (e for e in evidence_rows if e.kind == "git.discovery_completed"), None
+    )
     ranking_started = next(
         (e for e in evidence_rows if e.kind == "ranking.started"), None
     )
     ranking_completed = next(
         (e for e in evidence_rows if e.kind == "ranking.completed"), None
     )
-    legacy = not evidence_rows and (discovery is not None or emission is not None)
-
-    commit_links: list[tuple[str, str]] = []
-    if commit_evs:
-        for e in commit_evs:
-            cid = e.payload.get("commit_id") or ""
-            label = (
-                f"{e.payload.get('oid', cid)[:24]} "
-                f"({e.payload.get('contributor', '?')})"
-            )
-            commit_links.append((label, _evidence_path("commit", cid)))
-    elif discovery:
-        for c in discovery.commits:
-            cid = commit_id_for_oid(c["oid"])
-            commit_links.append((
-                f"{c['oid'][:24]} ({c.get('contributor', '?')})",
-                _evidence_path("commit", cid),
-            ))
 
+    commit_links = [
+        (
+            f"{e.payload.get('oid', e.payload.get('commit_id', ''))[:24]} "
+            f"({e.payload.get('contributor', '?')})",
+            _evidence_path("commit", e.payload["commit_id"]),
+        )
+        for e in commit_evs
+        if e.payload.get("commit_id")
+    ]
     comparison_links = [
         (
             e.payload.get("summary") or e.payload.get("comparison_id", e.event_id),
@@ -2360,16 +2342,13 @@ async def epoch_detail(epoch: int):
     ]
 
     excluded = []
-    if discovery:
-        for obs in discovery.observations:
+    if discovery_ev:
+        for obs in discovery_ev.payload.get("observations") or []:
             if obs.get("eligible"):
                 continue
             oid = obs.get("oid", "?")
             reason = obs.get("exclusion_reason") or "excluded"
-            excluded.append(["li",
-                f"{oid[:28]} — {reason} — ",
-                ["span.note", "legacy evidence unavailable"],
-            ])
+            excluded.append(["li", f"{oid[:28]} — {reason}"])
 
     ranking_nodes: list = []
     if ranking_completed:
@@ -2388,21 +2367,10 @@ async def epoch_detail(epoch: int):
                 indent=2, sort_keys=True,
             )],
         ]
-    elif emission:
-        if legacy and len(emission.ranking or {}) <= 1:
-            ranking_nodes.append(["p.note",
-                "Single-contributor epoch — no LLM judgments."
-            ])
-        ranking_nodes.extend([
-            ["p", "Projected from Emission (no ranking Evidence event)."],
-            ["pre.blob", json.dumps(emission.ranking, indent=2, sort_keys=True)],
-        ])
+    elif ranking_started:
+        ranking_nodes = [["p.note", f"Ranking started: {ranking_started.event_id}"]]
     else:
-        ranking_nodes = [["p.note", "No ranking recorded."]]
-    if ranking_started and not ranking_completed:
-        ranking_nodes.insert(0, ["p.note",
-            f"Ranking started: {ranking_started.event_id}"
-        ])
+        ranking_nodes = [["p.note", "No ranking evidence."]]
 
     if emission:
         emission_node = _dl_rows([
@@ -2411,44 +2379,41 @@ async def epoch_detail(epoch: int):
             ("pool_after", emission.pool_after),
             ("discovery_snapshot_id", emission.discovery_snapshot_id),
             ("ranking_run_id", emission.ranking_run_id or None),
+            ("ranking_event_id", emission.ranking_event_id or None),
             ("models_used", ", ".join(emission.models_used or [])),
             ("distributions", json.dumps(emission.distributions, sort_keys=True)),
         ])
     else:
         emission_node = ["p.note", "No emission for this epoch."]
 
-    single_contributor = False
-    if discovery:
-        single_contributor = len({c.get("contributor") for c in discovery.commits}) <= 1
-    elif emission:
-        single_contributor = len(emission.ranking or {}) <= 1
+    contributors = {
+        e.payload.get("contributor")
+        for e in commit_evs
+        if e.payload.get("contributor")
+    }
+    no_comparisons_note = "No comparisons."
+    if len(contributors) <= 1:
+        no_comparisons_note += " Single-contributor — no LLM judgments."
 
     body = [
         _evidence_nav(),
         ["div.eyebrow", f"epoch {epoch}"],
         ["h1", f"epoch {epoch}"],
     ]
-    if legacy:
-        body.append(["p.note",
-            "Legacy epoch: projected from GitDiscovery/Emission without Evidence "
-            "envelopes. Eligible commits use discovery patches; discarded observation "
-            "metadata is marked legacy evidence unavailable. Single-contributor "
-            "epochs have no LLM judgments."
-        ])
-    if discovery:
+    if discovery_ev:
         body.extend([
             ["h2", "discovery"],
             _dl_rows([
-                ("snapshot_id", discovery.snapshot_id),
-                ("config_digest", discovery.config_digest),
-                ("initial_snapshot", discovery.initial_snapshot),
-                ("observations", len(discovery.observations)),
-                ("eligible", len(discovery.commits)),
+                ("snapshot_id", discovery_ev.payload.get("snapshot_id")),
+                ("config_digest", discovery_ev.payload.get("config_digest")),
+                ("observations", discovery_ev.payload.get("observation_count")),
+                ("eligible", discovery_ev.payload.get("eligible_count")),
+                ("event", _a(
+                    _evidence_path("event", discovery_ev.event_id),
+                    discovery_ev.event_id,
+                )),
             ]),
         ])
-    no_comparisons_note = "No comparisons."
-    if single_contributor:
-        no_comparisons_note += " Single-contributor — no LLM judgments."
     body.extend([
         ["h2", "commits"],
         _link_list(commit_links),
@@ -2471,92 +2436,42 @@ async def epoch_detail(epoch: int):
 @app.get("/commits/{commit_id}")
 async def commit_detail(commit_id: str):
     ev = find_evidence_payload("git.commit", "commit_id", commit_id)
-    discovery, legacy_row = (None, None)
     if not ev:
-        discovery, legacy_row = _legacy_commit_row(commit_id)
-    if not ev and not legacy_row:
-        discovery, obs = _legacy_observation(commit_id)
-        if obs is not None:
-            epoch = discovery.epoch if discovery else "?"
-            return _evidence_page(f"commit {commit_id[:24]}", [
-                _evidence_nav(
-                    _a(_evidence_path("epoch", str(epoch)), f"epoch {epoch}")
-                ),
-                ["div.eyebrow", "commit"],
-                ["h1", commit_id],
-                ["p.note", "legacy evidence unavailable"],
-                _dl_rows([
-                    ("oid", obs.get("oid")),
-                    ("eligible", obs.get("eligible")),
-                    ("exclusion_reason", obs.get("exclusion_reason")),
-                    ("epoch", str(epoch)),
-                ]),
-            ])
         return _evidence_page("commit not found", [
             _evidence_nav(),
             ["h1", "commit not found"],
             ["p", commit_id],
         ])
-    if ev:
-        p = ev.payload
-        epoch = ev.epoch
-        oid = p.get("oid", "")
-        contributor = p.get("contributor", "")
-        message = _blob_text(p.get("message"))
-        patch = _blob_text(p.get("patch"))
-        meta = _dl_rows([
+    p = ev.payload
+    epoch = ev.epoch
+    return _evidence_page(f"commit {commit_id[:24]}", [
+        _evidence_nav(_a(_evidence_path("epoch", str(epoch)), f"epoch {epoch}")),
+        ["div.eyebrow", "commit"],
+        ["h1", commit_id],
+        _dl_rows([
             ("commit_id", commit

… preview truncated; 7,279 characters omitted

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