fix(telegram): send sticker pixels to vision models

src/telegram/bot-message-context.ts

@@ -1,6 +1,12 @@
 import type { Bot } from "grammy";
 
 import { resolveAckReaction } from "../agents/identity.js";
+import {
+  findModelInCatalog,
+  loadModelCatalog,
+  modelSupportsVision,
+} from "../agents/model-catalog.js";
+import { resolveDefaultModelForAgent } from "../agents/model-selection.js";
 import { hasControlCommand } from "../auto-reply/command-detection.js";
 import { normalizeCommandBody } from "../auto-reply/commands-registry.js";
 import { formatInboundEnvelope, resolveEnvelopeFormatOptions } from "../auto-reply/envelope.js";
@@ -104,6 +110,24 @@ type BuildTelegramMessageContextParams = {
   resolveTelegramGroupConfig: ResolveTelegramGroupConfig;
 };
 
+async function resolveStickerVisionSupport(params: {
+  cfg: ClawdbotConfig;
+  agentId?: string;
+}): Promise<boolean> {
+  try {
+    const catalog = await loadModelCatalog({ config: params.cfg });
+    const defaultModel = resolveDefaultModelForAgent({
+      cfg: params.cfg,
+      agentId: params.agentId,
+    });
+    const entry = findModelInCatalog(catalog, defaultModel.provider, defaultModel.model);
+    if (!entry) return false;
+    return entry.input ? modelSupportsVision(entry) : true;
+  } catch {
+    return false;
+  }
+}
+
 export const buildTelegramMessageContext = async ({
   primaryCtx,
   allMedia,
@@ -316,7 +340,10 @@ export const buildTelegramMessageContext = async ({
 
   // Check if sticker has a cached description - if so, use it instead of sending the image
   const cachedStickerDescription = allMedia[0]?.stickerMetadata?.cachedDescription;
-  const stickerCacheHit = Boolean(cachedStickerDescription);
+  const stickerSupportsVision = msg.sticker
+    ? await resolveStickerVisionSupport({ cfg, agentId: route.agentId })
+    : false;
+  const stickerCacheHit = Boolean(cachedStickerDescription) && !stickerSupportsVision;
   if (stickerCacheHit) {
     // Format cached description with sticker context
     const emoji = allMedia[0]?.stickerMetadata?.emoji;