fix(telegram): make reaction handling soft-fail and message-id resilient (#20236)

* Telegram: soft-fail reactions and fallback to inbound message id

* Telegram: soft-fail missing reaction message id

* Update CHANGELOG.md

---------

Co-authored-by: Vincent Koc <vincentkoc@ieee.org>

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

@@ -22,12 +22,17 @@ export function buildThreadingToolContext(params: {
   hasRepliedRef: { value: boolean } | undefined;
 }): ChannelThreadingToolContext {
   const { sessionCtx, config, hasRepliedRef } = params;
+  const currentMessageId = sessionCtx.MessageSidFull ?? sessionCtx.MessageSid;
   if (!config) {
-    return {};
+    return {
+      currentMessageId,
+    };
   }
   const rawProvider = sessionCtx.Provider?.trim().toLowerCase();
   if (!rawProvider) {
-    return {};
+    return {
+      currentMessageId,
+    };
   }
   const provider = normalizeChannelId(rawProvider) ?? normalizeAnyChannelId(rawProvider);
   // Fallback for unrecognized/plugin channels (e.g., BlueBubbles before plugin registry init)
@@ -36,6 +41,7 @@ export function buildThreadingToolContext(params: {
     return {
       currentChannelId: sessionCtx.To?.trim() || undefined,
       currentChannelProvider: provider ?? (rawProvider as ChannelId),
+      currentMessageId,
       hasRepliedRef,
     };
   }
@@ -48,6 +54,7 @@ export function buildThreadingToolContext(params: {
         From: sessionCtx.From,
         To: sessionCtx.To,
         ChatType: sessionCtx.ChatType,
+        CurrentMessageId: currentMessageId,
         ReplyToId: sessionCtx.ReplyToId,
         ThreadLabel: sessionCtx.ThreadLabel,
         MessageThreadId: sessionCtx.MessageThreadId,
@@ -57,6 +64,7 @@ export function buildThreadingToolContext(params: {
   return {
     ...context,
     currentChannelProvider: provider!, // guaranteed non-null since dock exists
+    currentMessageId: context.currentMessageId ?? currentMessageId,
   };
 }