fix: replace nil context with context.TODO

scripts/build-ts.ts

@@ -0,0 +1,86 @@
+import { copyFile } from "node:fs/promises";
+
+type BuildStep = {
+  name: string;
+  command: string[];
+};
+
+const steps: BuildStep[] = [
+  {
+    name: "player",
+    command: [
+      "bun",
+      "build",
+      "./static/player/main.ts",
+      "--outdir",
+      "./dist/static/player",
+      "--target",
+      "browser",
+      "--splitting",
+    ],
+  },
+];
+
+const startedAt = performance.now();
+
+try {
+  const appEntries = Array.from(new Bun.Glob("*.ts").scanSync("./static"))
+    .map((file) => `./static/${file}`)
+    .sort();
+
+  steps.push({
+    name: "app",
+    command: [
+      "bun",
+      "build",
+      ...appEntries,
+      "--outdir",
+      "./dist/static",
+      "--target",
+      "browser",
+      "--root",
+      "./static",
+      "--entry-naming",
+      "[name].js",
+    ],
+  });
+
+  for (const step of steps) {
+    const result = Bun.spawnSync(step.command, {
+      stdout: "pipe",
+      stderr: "pipe",
+    });
+
+    if (result.exitCode !== 0) {
+      const detail = summarizeFailure(result.stderr, result.stdout);
+      console.error(`ts build failed at ${step.name}${detail === "" ? "" : `: ${detail}`}`);
+      process.exit(result.exitCode);
+    }
+  }
+
+  await copyFile("./node_modules/htmx.org/dist/htmx.min.js", "./dist/static/htmx-lib.js");
+
+  const playerEntries = 1;
+  const totalEntries = playerEntries + appEntries.length;
+  const elapsedMs = Math.round(performance.now() - startedAt);
+
+  console.log(`ts build ok (${totalEntries} entries, ${elapsedMs}ms)`);
+} catch (error) {
+  const message = error instanceof Error ? error.message : String(error);
+  console.error(`ts build failed: ${message}`);
+  process.exit(1);
+}
+
+function summarizeFailure(stderr: Uint8Array, stdout: Uint8Array): string {
+  const combined = `${Buffer.from(stderr).toString("utf8")}${Buffer.from(stdout).toString("utf8")}`.trim();
+  if (combined === "") {
+    return "";
+  }
+
+  const lines = combined
+    .split(/\r?\n/)
+    .map((line) => line.trim())
+    .filter((line) => line !== "");
+
+  return lines.at(-1) ?? "";
+}