refactor: clean extension api boundaries

scripts/lib/plugin-sdk-entrypoints.json

@@ -10,6 +10,7 @@
   "runtime",
   "runtime-env",
   "setup",
+  "setup-tools",
   "config-runtime",
   "reply-runtime",
   "channel-runtime",
@@ -29,11 +30,17 @@
   "acp-runtime",
   "zai",
   "telegram",
+  "telegram-core",
   "discord",
+  "discord-core",
   "slack",
+  "slack-core",
   "signal",
+  "signal-core",
   "imessage",
+  "imessage-core",
   "whatsapp",
+  "whatsapp-core",
   "line",
   "msteams",
   "acpx",
@@ -96,6 +103,7 @@
   "google",
   "request-url",
   "runtime-store",
+  "web-media",
   "speech",
   "state-paths",
   "tool-send"