refactor(insights): share workbook export and ai defaults

apps/web/src/components/analytics/InsightsPanel.tsx

@@ -70,6 +70,12 @@ function entityLink(type: string, entityId: string): string {
   return `/projects/${entityId}`;
 }
 
+type ProjectOption = {
+  id: string;
+  name: string;
+  shortCode: string | null;
+};
+
 // ─── Main component ──────────────────────────────────────────────────────────
 
 export function InsightsPanel() {
@@ -111,7 +117,7 @@ export function InsightsPanel() {
   });
 
   const anomalies = anomaliesQuery.data ?? [];
-  const projects = projectsQuery.data?.projects ?? [];
+  const projects: ProjectOption[] = (projectsQuery.data?.projects ?? []) as ProjectOption[];
 
   // Filter anomalies
   const filteredAnomalies = narrativeFilter

apps/web/src/components/analytics/SkillsAnalytics.tsx

@@ -6,7 +6,7 @@ import { PROFICIENCY_LABELS, proficiencyClasses, ProficiencyBadge } from "~/comp
 import { SortableColumnHeader } from "~/components/ui/SortableColumnHeader.js";
 import { useTableSort } from "~/hooks/useTableSort.js";
 import { trpc } from "~/lib/trpc/client.js";
-import * as XLSX from "xlsx";
+import { downloadWorkbook } from "~/lib/workbook-export.js";
 
 const SkillDistributionChart = dynamic(
   () => import("~/components/analytics/SkillDistributionChart.js"),
@@ -60,18 +60,17 @@ export function SkillsAnalytics() {
 
   async function exportXlsx() {
     if (!data) return;
-    const XLSX = await import("xlsx");
-    const rows = data.aggregated.map((e) => ({
-      Skill: e.skill,
-      Category: e.category,
-      "# Resources": e.count,
-      "Avg Proficiency": e.avgProficiency,
-      Chapters: e.chapters.join(", "),
-    }));
-    const ws = XLSX.utils.json_to_sheet(rows);
-    const wb = XLSX.utils.book_new();
-    XLSX.utils.book_append_sheet(wb, ws, "Skills");
-    XLSX.writeFile(wb, `skills-analytics-${Date.now()}.xlsx`);
+    const rows = [
+      ["Skill", "Category", "# Resources", "Avg Proficiency", "Chapters"],
+      ...data.aggregated.map((entry) => [
+        entry.skill,
+        entry.category,
+        entry.count,
+        entry.avgProficiency,
+        entry.chapters.join(", "),
+      ]),
+    ];
+    await downloadWorkbook(`skills-analytics-${Date.now()}.xlsx`, "Skills", rows);
   }
 
   const allSkillNames = (data?.aggregated ?? []).map((e) => e.skill);

apps/web/src/components/analytics/skills/OverviewTab.tsx

@@ -4,6 +4,7 @@ import { useState } from "react";
 import dynamic from "next/dynamic";
 import { SortableColumnHeader } from "~/components/ui/SortableColumnHeader.js";
 import { useTableSort } from "~/hooks/useTableSort.js";
+import { downloadWorkbook } from "~/lib/workbook-export.js";
 import { ProficiencyBadge } from "./shared.js";
 
 const SkillDistributionChart = dynamic(
@@ -44,18 +45,17 @@ export function OverviewTab({ aggregated, categories, totalResources, totalSkill
   const gapCount = aggregated.filter((e) => e.count < 3 && e.avgProficiency >= 3).length;
 
   async function exportXlsx() {
-    const XLSX = await import("xlsx");
-    const rows = sorted.map((e) => ({
-      Skill: e.skill,
-      Category: e.category,
-      "# Resources": e.count,
-      "Avg Proficiency": e.avgProficiency,
-      Chapters: e.chapters.join(", "),
-    }));
-    const ws = XLSX.utils.json_to_sheet(rows);
-    const wb = XLSX.utils.book_new();
-    XLSX.utils.book_append_sheet(wb, ws, "Skills Overview");
-    XLSX.writeFile(wb, `skills-overview-${Date.now()}.xlsx`);
+    const rows = [
+      ["Skill", "Category", "# Resources", "Avg Proficiency", "Chapters"],
+      ...sorted.map((entry) => [
+        entry.skill,
+        entry.category,
+        entry.count,
+        entry.avgProficiency,
+        entry.chapters.join(", "),
+      ]),
+    ];
+    await downloadWorkbook(`skills-overview-${Date.now()}.xlsx`, "Skills Overview", rows);
   }
 
   return (

apps/web/src/components/analytics/skills/PeopleFinderTab.tsx

@@ -3,6 +3,7 @@
 import { useState, useId } from "react";
 import Link from "next/link";
 import { trpc } from "~/lib/trpc/client.js";
+import { downloadWorkbook } from "~/lib/workbook-export.js";
 import { ProficiencyBadge, PROFICIENCY_LABELS, proficiencyClasses } from "./shared.js";
 
 type SkillRule = { skill: string; minProficiency: number };
@@ -32,17 +33,16 @@ export function PeopleFinderTab({ allSkillNames, allChapters }: PeopleFinderTabP
 
   async function exportXlsx() {
     if (!results || results.length === 0) return;
-    const XLSX = await import("xlsx");
-    const rows = results.map((p) => ({
-      Name: p.displayName,
-      EID: p.eid ?? "",
-      Chapter: p.chapter ?? "",
-      "Matched Skills": p.matchedSkills.map((s) => `${s.skill} (${s.proficiency})`).join(", "),
-    }));
-    const ws = XLSX.utils.json_to_sheet(rows);
-    const wb = XLSX.utils.book_new();
-    XLSX.utils.book_append_sheet(wb, ws, "People Finder");
-    XLSX.writeFile(wb, `people-finder-${Date.now()}.xlsx`);
+    const rows = [
+      ["Name", "EID", "Chapter", "Matched Skills"],
+      ...results.map((person) => [
+        person.displayName,
+        person.eid ?? "",
+        person.chapter ?? "",
+        person.matchedSkills.map((skill) => `${skill.skill} (${skill.proficiency})`).join(", "),
+      ]),
+    ];
+    await downloadWorkbook(`people-finder-${Date.now()}.xlsx`, "People Finder", rows);
   }
 
   return (