ACP: harden startup and move configured routing behind plugin seams (#48197)

* ACPX: keep plugin-local runtime installs out of dist

* Gateway: harden ACP startup and service PATH

* ACP: reinitialize error-state configured bindings

* ACP: classify pre-turn runtime failures as session init failures

* Plugins: move configured ACP routing behind channel seams

* Telegram tests: align startup probe assertions after rebase

* Discord: harden ACP configured binding recovery

* ACP: recover Discord bindings after stale runtime exits

* ACPX: replace dead sessions during ensure

* Discord: harden ACP binding recovery

* Discord: fix review follow-ups

* ACP bindings: load channel snapshots across workspaces

* ACP bindings: cache snapshot channel plugin resolution

* Experiments: add ACP pluginification holy grail plan

* Experiments: rename ACP pluginification plan doc

* Experiments: drop old ACP pluginification doc path

* ACP: move configured bindings behind plugin services

* Experiments: update bindings capability architecture plan

* Bindings: isolate configured binding routing and targets

* Discord tests: fix runtime env helper path

* Tests: fix channel binding CI regressions

* Tests: normalize ACP workspace assertion on Windows

* Bindings: isolate configured binding registry

* Bindings: finish configured binding cleanup

* Bindings: finish generic cleanup

* Bindings: align runtime approval callbacks

* ACP: delete residual bindings barrel

* Bindings: restore legacy compatibility

* Revert "Bindings: restore legacy compatibility"

This reverts commit ac2ed68fa2426ecc874d68278c71c71ad363fcfe.

* Tests: drop ACP route legacy helper names

* Discord/ACP: fix binding regressions

---------

Co-authored-by: Onur <2453968+osolmaz@users.noreply.github.com>

src/bindings/records.ts

@@ -0,0 +1,48 @@
+import {
+  getSessionBindingService,
+  type ConversationRef,
+  type SessionBindingBindInput,
+  type SessionBindingCapabilities,
+  type SessionBindingRecord,
+  type SessionBindingUnbindInput,
+} from "../infra/outbound/session-binding-service.js";
+
+// Shared binding record helpers used by both configured bindings and
+// runtime-created plugin conversation bindings.
+export async function createConversationBindingRecord(
+  input: SessionBindingBindInput,
+): Promise<SessionBindingRecord> {
+  return await getSessionBindingService().bind(input);
+}
+
+export function getConversationBindingCapabilities(params: {
+  channel: string;
+  accountId: string;
+}): SessionBindingCapabilities {
+  return getSessionBindingService().getCapabilities(params);
+}
+
+export function listSessionBindingRecords(targetSessionKey: string): SessionBindingRecord[] {
+  return getSessionBindingService().listBySession(targetSessionKey);
+}
+
+export function resolveConversationBindingRecord(
+  conversation: ConversationRef,
+): SessionBindingRecord | null {
+  return getSessionBindingService().resolveByConversation(conversation);
+}
+
+export function touchConversationBindingRecord(bindingId: string, at?: number): void {
+  const service = getSessionBindingService();
+  if (typeof at === "number") {
+    service.touch(bindingId, at);
+    return;
+  }
+  service.touch(bindingId);
+}
+
+export async function unbindConversationBindingRecord(
+  input: SessionBindingUnbindInput,
+): Promise<SessionBindingRecord[]> {
+  return await getSessionBindingService().unbind(input);
+}