refactor: unify queueing and normalize telegram slack flows

src/telegram/bot-handlers.ts

@@ -63,6 +63,7 @@ import {
   calculateTotalPages,
   getModelsPageSize,
   parseModelCallbackData,
+  resolveModelSelection,
   type ProviderInfo,
 } from "./model-buttons.js";
 import { buildInlineKeyboard } from "./send.js";
@@ -1260,30 +1261,28 @@ export const registerTelegramHandlers = ({
         }
 
         if (modelCallback.type === "select") {
-          const { provider, model } = modelCallback;
-          let resolvedProvider = provider;
-          if (!resolvedProvider) {
-            const matchingProviders = providers.filter((id) => byProvider.get(id)?.has(model));
-            if (matchingProviders.length === 1) {
-              resolvedProvider = matchingProviders[0];
-            } else {
-              const providerInfos: ProviderInfo[] = providers.map((p) => ({
-                id: p,
-                count: byProvider.get(p)?.size ?? 0,
-              }));
-              const buttons = buildProviderKeyboard(providerInfos);
-              await editMessageWithButtons(
-                `Could not resolve model "${model}".\n\nSelect a provider:`,
-                buttons,
-              );
-              return;
-            }
+          const selection = resolveModelSelection({
+            callback: modelCallback,
+            providers,
+            byProvider,
+          });
+          if (selection.kind !== "resolved") {
+            const providerInfos: ProviderInfo[] = providers.map((p) => ({
+              id: p,
+              count: byProvider.get(p)?.size ?? 0,
+            }));
+            const buttons = buildProviderKeyboard(providerInfos);
+            await editMessageWithButtons(
+              `Could not resolve model "${selection.model}".\n\nSelect a provider:`,
+              buttons,
+            );
+            return;
           }
           // Process model selection as a synthetic message with /model command
           const syntheticMessage = buildSyntheticTextMessage({
             base: callbackMessage,
             from: callback.from,
-            text: `/model ${resolvedProvider}/${model}`,
+            text: `/model ${selection.provider}/${selection.model}`,
           });
           await processMessage(buildSyntheticContext(ctx, syntheticMessage), [], storeAllowFrom, {
             forceWasMentioned: true,