Discord: thread bindings idle + max-age lifecycle (#27845) (thanks @osolmaz)

* refactor discord thread bindings to idle and max-age lifecycle

* fix: migrate legacy thread binding expiry and reduce hot-path disk writes

* refactor: remove remaining thread-binding ttl legacy paths

* fix: harden thread-binding lifecycle persistence

* Discord: fix thread binding types in message/reply paths

* Infra: handle win32 unknown inode in file identity checks

* Infra: relax win32 guarded-open identity checks

* Config: migrate threadBindings ttlHours to idleHours

* Revert "Infra: relax win32 guarded-open identity checks"

This reverts commit de94126771.

* Revert "Infra: handle win32 unknown inode in file identity checks"

This reverts commit 96fc5ddfb3.

* Discord: re-read live binding state before sweep unbind

* fix: add changelog note for thread binding lifecycle update (#27845) (thanks @osolmaz)

---------

Co-authored-by: Onur Solmaz <onur@textcortex.com>

src/auto-reply/reply/commands-acp/lifecycle.ts

@@ -22,7 +22,8 @@ import {
 import {
   formatThreadBindingDisabledError,
   formatThreadBindingSpawnDisabledError,
-  resolveThreadBindingSessionTtlMsForChannel,
+  resolveThreadBindingIdleTimeoutMsForChannel,
+  resolveThreadBindingMaxAgeMsForChannel,
   resolveThreadBindingSpawnPolicy,
 } from "../../../channels/thread-bindings-policy.js";
 import type { OpenClawConfig } from "../../../config/config.js";
@@ -196,7 +197,12 @@ async function bindSpawnedAcpSessionToThread(params: {
         introText: resolveThreadBindingIntroText({
           agentId: params.agentId,
           label,
-          sessionTtlMs: resolveThreadBindingSessionTtlMsForChannel({
+          idleTimeoutMs: resolveThreadBindingIdleTimeoutMsForChannel({
+            cfg: commandParams.cfg,
+            channel: spawnPolicy.channel,
+            accountId: spawnPolicy.accountId,
+          }),
+          maxAgeMs: resolveThreadBindingMaxAgeMsForChannel({
             cfg: commandParams.cfg,
             channel: spawnPolicy.channel,
             accountId: spawnPolicy.accountId,