Merge feature/split-signal-improvements into combined branch

Combines Signal split/merge improvements with keycloak auth,
baileys-7 updates, and signal notifications support.

Resolved conflicts:
- Kept LID user ID support in bridge-whatsapp
- Kept bridge-dev.yml docker compose addition
- Used 3.5.0-beta.1 version from split-signal-improvements

apps/bridge-worker/tasks/signal/send-signal-message.ts

@@ -283,6 +283,35 @@ const sendSignalMessageTask = async ({
       },
       "Message sent successfully",
     );
+
+    // Update group name to use consistent template with ticket number
+    // This ensures groups created by receive-signal-message get renamed
+    // to match the template (e.g., "Support Request: 94085")
+    if (finalTo.startsWith("group.") && conversationId) {
+      try {
+        const expectedGroupName = buildSignalGroupName(conversationId);
+        await groupsClient.v1GroupsNumberGroupidPut({
+          number: bot.phoneNumber,
+          groupid: finalTo,
+          data: {
+            name: expectedGroupName,
+          },
+        });
+        logger.debug(
+          { groupId: finalTo, newName: expectedGroupName },
+          "Updated group name",
+        );
+      } catch (renameError) {
+        // Non-fatal - group name update is best-effort
+        logger.warn(
+          {
+            error: renameError instanceof Error ? renameError.message : renameError,
+            groupId: finalTo,
+          },
+          "Could not update group name",
+        );
+      }
+    }
   } catch (error: any) {
     // Try to get the actual error message from the response
     if (error.response) {