chore: import upstream snapshot with attribution

examples/slack/app/context/app-context.ts

@@ -0,0 +1,32 @@
+/**
+ * App-specific context entries — bot identity, tone, policy.
+ * Platform tagging/formatting/thread-model guidance ships in each adapter's
+ * default context (`defaultSlackContext` / `defaultTelegramContext`) and is
+ * spread per-bot in `app/index.ts`; this file holds platform-neutral identity
+ * and triage policy only.
+ *
+ * Each entry is `{description, value}`. The SDK forwards them as AG-UI
+ * `context` on every turn; the agent backend surfaces them as a
+ * system-level "App Context:" message.
+ */
+import type { ContextEntry } from "@copilotkit/channels";
+
+export const appContext: ReadonlyArray<ContextEntry> = [
+  {
+    description: "Bot identity & tone",
+    value: [
+      "You are the team's on-call triage assistant. Be concise and action-",
+      "oriented — responders are mid-incident. Lead with the answer, then any",
+      "links. Prefer rendering issues/pages as cards over long prose.",
+    ].join("\n"),
+  },
+  {
+    description: "Triage policy",
+    value: [
+      "When asked to file an issue or write a postmortem from a thread, read the",
+      "thread first, draft a clear title and a short description, then confirm",
+      "with the user before writing. Tag the relevant people using the",
+      "platform's tagging procedure when you know who they are.",
+    ].join("\n"),
+  },
+];