mise ~/.config/mise/config.toml tools: crush@0.91.0

feat(api): add React Email rendering and PNG heatmap endpoint

api/src/index.ts

@@ -10,7 +10,7 @@
  * admin routes); everything else is read-only public.
  */
 import { reconcileCatalog } from "./catalog.ts";
-import { gateBadge, heatmapChart, ladderChart, progressChart } from "./charts.ts";
+import { gateBadge, heatmapChart, heatmapPng, ladderChart, progressChart } from "./charts.ts";
 import { sendDigest } from "./digest.ts";
 import { createReviewIssue, scoreReview } from "./gate.ts";
 import { type GitHub, github } from "./github.ts";
@@ -233,6 +233,12 @@ const SVG_HEADERS = {
   "cache-control": "public, max-age=300",
 };
 
+// The digest embeds the raster heatmap; email clients refuse SVG entirely.
+const PNG_HEADERS = {
+  "content-type": "image/png",
+  "cache-control": "public, max-age=300",
+};
+
 export default {
   async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
     const url = new URL(request.url);
@@ -256,6 +262,9 @@ export default {
       if (path === "/chart/heatmap.svg") {
         return new Response(await heatmapChart(env.DB, CAMPAIGN_START, 56), { headers: SVG_HEADERS });
       }
+      if (path === "/chart/heatmap.png") {
+        return new Response(await heatmapPng(env.DB, CAMPAIGN_START, 56), { headers: PNG_HEADERS });
+      }
       if (path === "/badge/gate.svg") {
         return new Response(await gateBadge(env.DB), { headers: SVG_HEADERS });
       }