feat: improve web_fetch readability extraction

src/config/schema.ts

@@ -262,6 +262,8 @@ const FIELD_HELP: Record<string, string> = {
   "tools.web.fetch.timeoutSeconds": "Timeout in seconds for web_fetch requests.",
   "tools.web.fetch.cacheTtlMinutes": "Cache TTL in minutes for web_fetch results.",
   "tools.web.fetch.userAgent": "Override User-Agent header for web_fetch requests.",
+  "tools.web.fetch.readability":
+    "Use Readability to extract main content from HTML (fallbacks to basic HTML cleanup).",
   "channels.slack.allowBots":
     "Allow bot-authored messages to trigger Slack replies (default: false).",
   "channels.slack.thread.historyScope":

src/config/types.tools.ts

@@ -99,7 +99,7 @@ export type ToolsConfig = {
       cacheTtlMinutes?: number;
     };
     fetch?: {
-      /** Enable web fetch tool (default: false). */
+      /** Enable web fetch tool (default: true). */
       enabled?: boolean;
       /** Max characters to return from fetched content. */
       maxChars?: number;
@@ -109,6 +109,8 @@ export type ToolsConfig = {
       cacheTtlMinutes?: number;
       /** Override User-Agent header for fetch requests. */
       userAgent?: string;
+      /** Use Readability to extract main content (default: true). */
+      readability?: boolean;
     };
   };
   audio?: {