feat(card): progress narrative and humanised commit history

src/app/p/[clientSlug]/[projectSlug]/c/[cardId]/page.tsx

@@ -6,6 +6,8 @@ import { AppShell } from "@/components/shell/app-shell";
 import { TopBar } from "@/components/shell/top-bar";
 import { CardHeader } from "@/components/card/card-header";
 import { CardActions } from "@/components/card/card-actions";
+import { CardNarrative } from "@/components/card/card-narrative";
+import { CommitHistory } from "@/components/card/commit-history";
 import { SubtaskList } from "@/components/card/subtask-list";
 import { CommentThread } from "@/components/card/comment-thread";
 import { ActivityTimeline } from "@/components/card/activity-timeline";
@@ -64,6 +66,9 @@ export default async function CardPage({
             projectSlug={projectSlug}
           />
 
+          <CardNarrative narrative={detail.card.narrative ?? ""} />
+          <CommitHistory commits={detail.commits} />
+
           <SubtaskList
             cardId={detail.card.id}
             subtasks={detail.subtasks}

src/components/card/card-narrative.tsx

@@ -0,0 +1,34 @@
+/**
+ * The generated progress update.
+ *
+ * Labelled as written from the commit history — the same honesty the dashboard's
+ * methodology panel applies to the effort figures. A client should never have to
+ * wonder whether a person wrote this.
+ */
+export function CardNarrative({ narrative }: { narrative: string }) {
+  if (!narrative.trim()) return null;
+
+  return (
+    <section className="space-y-2 rounded-[var(--radius-tile)] border border-border-subtle bg-surface p-4">
+      <h2 className="text-xs font-semibold uppercase tracking-wide text-text-secondary">
+        Progress
+      </h2>
+
+      <div className="space-y-2 text-sm text-text-secondary">
+        {narrative
+          .split(/\n{2,}/)
+          .map((paragraph) => paragraph.trim())
+          .filter(Boolean)
+          .map((paragraph, index) => (
+            <p key={index} className="whitespace-pre-wrap">
+              {paragraph}
+            </p>
+          ))}
+      </div>
+
+      <p className="text-[11px] text-text-muted">
+        Written automatically from the change history for this item.
+      </p>
+    </section>
+  );
+}

src/components/card/commit-history.tsx

@@ -0,0 +1,83 @@
+"use client";
+
+import { useState } from "react";
+import { Code2 } from "lucide-react";
+
+import { relativeTime } from "@/lib/time/relative";
+import type { CommitRecord } from "@/lib/pb/types";
+
+/**
+ * A card's commits, in the client's language.
+ *
+ * Two rules, both from the spec:
+ *  - A commit with no summary shows its raw subject. Never a gap — a card that
+ *    renders blank because the provider was down looks like no work happened.
+ *  - The raw commit is always one toggle away. The humanised text is a
+ *    translation, not a replacement, and a client who wants to check it must be
+ *    able to.
+ */
+export function CommitHistory({ commits }: { commits: CommitRecord[] }) {
+  const [showRaw, setShowRaw] = useState(false);
+
+  if (commits.length === 0) return null;
+
+  return (
+    <section className="space-y-3">
+      <div className="flex items-center gap-3">
+        <h2 className="text-xs font-semibold uppercase tracking-wide text-text-secondary">
+          Work done
+        </h2>
+        <span className="tabular text-xs text-text-muted">
+          {commits.length} {commits.length === 1 ? "change" : "changes"}
+        </span>
+        <button
+          type="button"
+          onClick={() => setShowRaw((value) => !value)}
+          aria-pressed={showRaw}
+          className="ml-auto inline-flex items-center gap-1.5 text-[11px] text-text-muted hover:text-text-secondary"
+        >
+          <Code2 size={12} strokeWidth={2} />
+          {showRaw ? "Hide technical detail" : "Show technical detail"}
+        </button>
+      </div>
+
+      <ol className="space-y-2.5">
+        {commits.map((commit) => (
+          <li key={commit.id} className="flex gap-2.5">
+            <span
+              aria-hidden
+              className="mt-[7px] h-1.5 w-1.5 shrink-0 rounded-full bg-border-strong"
+            />
+            <div className="min-w-0 flex-1">
+              <p className="text-sm text-text-secondary">
+                {/* Fall back to the raw subject — never render nothing. */}
+                {commit.summary || commit.subject}
+              </p>
+              <p className="mt-0.5 text-[11px] text-text-muted">
+                {relativeTime(commit.authored_at)}
+              </p>
+
+              {showRaw && (
+                <p className="mt-1.5 rounded bg-surface px-2 py-1.5 font-mono text-[11px] text-text-muted">
+                  {commit.url ? (
+                    <a
+                      href={commit.url}
+                      target="_blank"
+                      rel="noreferrer"
+                      className="hover:text-brand"
+                    >
+                      {commit.short_sha}
+                    </a>
+                  ) : (
+                    commit.short_sha
+                  )}{" "}
+                  {commit.subject}
+                </p>
+              )}
+            </div>
+          </li>
+        ))}
+      </ol>
+    </section>
+  );
+}

src/lib/data/card.ts

@@ -7,6 +7,7 @@ import type {
   ClientRecord,
   ColumnRecord,
   CommentRecord,
+  CommitRecord,
   ProjectRecord,
   SubtaskRecord,
   UserRecord,
@@ -23,6 +24,10 @@ export interface CardDetail {
   activity: ActivityRecord[];
   /** Display names by user id, for comments and the timeline. */
   names: Record<string, string>;
+  /** Non-merge commits linked to this card, oldest first, with AI summaries
+   *  when present and the raw subject otherwise. Used by the Progress section
+   *  and the humanised commit history on the card page. */
+  commits: CommitRecord[];
 }
 
 /**
@@ -83,6 +88,13 @@ export async function loadCardDetail(
       sort: "-created",
     });
 
+    // Linked commits, oldest first, in plain English where available. Used by
+    // the Progress section and the humanised commit history on the card page.
+    const commits = await pb.collection("commits").getFullList<CommitRecord>({
+      filter: `card = "${cardId}" && is_merge = false`,
+      sort: "authored_at",
+    });
+
     const userIds = new Set<string>();
     for (const c of comments) if (c.author) userIds.add(c.author);
     for (const a of activity) if (a.actor) userIds.add(a.actor);
@@ -107,6 +119,7 @@ export async function loadCardDetail(
       comments,
       activity,
       names,
+      commits,
     };
   } catch {
     return null;