feat(agent-api): GET /api/agent/projects/:projectId/cards

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/app/api/agent/projects/[projectId]/cards/route.ts

@@ -0,0 +1,72 @@
+import { getAdminPb } from "@/lib/pb/admin";
+import { requireAgentToken } from "@/lib/agent/auth";
+import { jsonError, jsonOk } from "@/lib/http/json";
+import type { CardRecord, ColumnRecord } from "@/lib/pb/types";
+
+/**
+ * GET /api/agent/projects/:projectId/cards — every non-archived card in the
+ * project, any column, in the same order the board itself renders in.
+ *
+ * `?column=inbox` filters to the Inbox column only, matching `is_inbox` —
+ * never a literal column name, since column names are editable per project.
+ */
+export async function GET(
+  request: Request,
+  context: { params: Promise<{ projectId: string }> }
+): Promise<Response> {
+  const denied = requireAgentToken(request);
+  if (denied) return denied;
+
+  const { projectId } = await context.params;
+  const pb = await getAdminPb();
+
+  const project = await pb.collection("projects").getOne(projectId).catch(() => null);
+  if (!project) return jsonError("Project not found", 404);
+
+  const columns = await pb.collection("columns").getFullList<ColumnRecord>({
+    filter: `project = "${projectId}"`,
+    sort: "position",
+  });
+  const columnsById = new Map(columns.map((c) => [c.id, c]));
+
+  const url = new URL(request.url);
+  const onlyInbox = url.searchParams.get("column") === "inbox";
+
+  let cards = await pb.collection("cards").getFullList<CardRecord>({
+    filter: `project = "${projectId}" && archived = false`,
+  });
+
+  if (onlyInbox) {
+    cards = cards.filter((card) => columnsById.get(card.column)?.is_inbox === true);
+  }
+
+  cards.sort((a, b) => {
+    const colA = columnsById.get(a.column)?.position ?? 0;
+    const colB = columnsById.get(b.column)?.position ?? 0;
+    return colA - colB || a.position - b.position;
+  });
+
+  const out = cards
+    .map((card) => {
+      const column = columnsById.get(card.column);
+      if (!column) return null;
+      return {
+        id: card.id,
+        number: card.number,
+        title: card.title,
+        description: card.description,
+        priority: card.priority,
+        target_date: card.target_date,
+        size_band: card.size_band,
+        column: {
+          id: column.id,
+          name: column.name,
+          is_inbox: column.is_inbox,
+          is_done: column.is_done,
+        },
+      };
+    })
+    .filter((c): c is NonNullable<typeof c> => c !== null);
+
+  return jsonOk(out);
+}