feat(discord): faster reaction status state machine (watchdog + debounce) (#18248)

* fix(discord): avoid unnecessary message fetches in reaction notifications

* style(discord): format reaction listener for CI

* feat(discord): add reaction status machine and fix tool/final wiring

* fix(discord): harden reaction status transitions and cleanup

* revert(discord): restore status-machine flow from 0a5a72204

* fix(auto-reply): restore lifecycle callback forwarding for channels

* chore(ci): add daily upstream sync workflow for custom branch

* fix(discord): non-blocking reactions and robust cleanup

* chore: remove unrelated workflow from Discord-only PR

* Discord: streamline reaction handling

* Docs: add Discord reaction changelog

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Co-authored-by: Shadow <hi@shadowing.dev>

src/auto-reply/reply/agent-runner-execution.ts

@@ -352,8 +352,10 @@ export async function runAgentTurnWithFallback(params: {
               // Must await to ensure typing indicator starts before tool summaries are emitted.
               if (evt.stream === "tool") {
                 const phase = typeof evt.data.phase === "string" ? evt.data.phase : "";
+                const name = typeof evt.data.name === "string" ? evt.data.name : undefined;
                 if (phase === "start" || phase === "update") {
                   await params.typingSignals.signalToolStart();
+                  await params.opts?.onToolStart?.({ name, phase });
                 }
               }
               // Track auto-compaction completion