refactor: remove unused runAgentService and consolidate chat model functions

runtime-shared/shared/chat-model.ts

@@ -62,112 +62,3 @@ export interface ChatSession {
   model?: string;
   updatedAt?: number;
 }
-
-export function extractText(message?: RawMessage | null): string {
-  if (!message) return '';
-
-  if (typeof message.content === 'string') {
-    return message.content;
-  }
-
-  return message.content
-    .filter((block) => block.type === 'text' && typeof block.text === 'string')
-    .map((block) => block.text ?? '')
-    .join('\n');
-}
-
-export function extractThinking(message?: RawMessage | null): string | null {
-  if (!message || !Array.isArray(message.content)) return null;
-
-  const thinkingBlock = message.content.find((block) => block.type === 'thinking');
-  return thinkingBlock?.thinking ?? null;
-}
-
-export function extractImages(message?: RawMessage | null): Array<{ url?: string; data?: string; mimeType: string }> {
-  if (!message || !Array.isArray(message.content)) return [];
-
-  const images: Array<{ url?: string; data?: string; mimeType: string }> = [];
-
-  for (const block of message.content) {
-    if (block.type === 'image') {
-      if (block.source?.type === 'base64' && block.source.data) {
-        images.push({
-          data: block.source.data,
-          mimeType: block.source.media_type || 'image/jpeg',
-        });
-      } else if (block.source?.type === 'url' && block.source.url) {
-        images.push({
-          url: block.source.url,
-          mimeType: block.source.media_type || 'image/jpeg',
-        });
-      } else if (block.data) {
-        images.push({
-          data: block.data,
-          mimeType: block.mimeType || 'image/jpeg',
-        });
-      }
-    }
-
-    if ((block.type === 'tool_result' || block.type === 'toolResult') && Array.isArray(block.content)) {
-      images.push(...extractImages({ role: 'toolresult', content: block.content }));
-    }
-  }
-
-  return images;
-}
-
-export function extractToolUse(message?: RawMessage | null): Array<{ id?: string; name: string; input?: unknown }> {
-  if (!message || !Array.isArray(message.content)) return [];
-
-  return message.content
-    .filter((block) => block.type === 'tool_use' || block.type === 'toolCall')
-    .map((block) => ({
-      id: block.id,
-      name: block.name || block.id || 'tool',
-      input: block.input ?? block.arguments,
-    }));
-}
-
-export function formatTimestamp(ts?: number): string {
-  if (!ts) return '';
-
-  const ms = ts < 1e12 ? ts * 1000 : ts;
-  return new Date(ms).toLocaleString();
-}
-
-export function isToolResultRole(role?: string): boolean {
-  if (!role) return false;
-
-  const normalized = role.toLowerCase();
-  return normalized === 'toolresult' || normalized === 'tool_result';
-}
-
-export function isToolOnlyMessage(message?: RawMessage): boolean {
-  if (!message) return false;
-  if (isToolResultRole(message.role)) return true;
-  if (!Array.isArray(message.content)) return false;
-
-  const hasToolBlock = message.content.some((block) =>
-    ['tool_use', 'tool_result', 'toolCall', 'toolResult'].includes(block.type),
-  );
-  const hasTextBlock = message.content.some((block) => block.type === 'text' && block.text?.trim());
-  const hasImageBlock = message.content.some((block) => block.type === 'image');
-
-  return hasToolBlock && !hasTextBlock && !hasImageBlock;
-}
-
-export function isInternalMessage(message: { role?: string; content?: unknown }): boolean {
-  if (message.role === 'system') return true;
-
-  if (message.role === 'assistant') {
-    const text = typeof message.content === 'string'
-      ? message.content
-      : extractText(message as RawMessage);
-
-    if (/^(HEARTBEAT_OK|NO_REPLY)\s*$/.test(text)) {
-      return true;
-    }
-  }
-
-  return false;
-}