refactor: privatize bundled sdk facades

scripts/lib/plugin-sdk-entrypoints.json

@@ -37,19 +37,11 @@
   "telegram-core",
   "discord",
   "discord-core",
-  "feishu",
-  "googlechat",
-  "irc",
-  "line-core",
   "matrix",
-  "mattermost",
-  "msteams",
-  "nextcloud-talk",
   "slack",
   "slack-core",
   "imessage",
   "imessage-core",
-  "signal",
   "whatsapp",
   "whatsapp-shared",
   "whatsapp-action-runtime",
@@ -79,7 +71,6 @@
   "directory-runtime",
   "json-store",
   "keyed-async-queue",
-  "line",
   "llm-task",
   "memory-lancedb",
   "provider-auth",
@@ -94,7 +85,6 @@
   "provider-usage",
   "provider-web-search",
   "image-generation",
-  "nostr",
   "reply-history",
   "media-understanding",
   "secret-input-runtime",
@@ -104,14 +94,8 @@
   "webhook-path",
   "runtime-store",
   "secret-input",
-  "signal-core",
   "thread-ownership",
-  "tlon",
-  "twitch",
-  "voice-call",
   "web-media",
-  "zalo",
-  "zalouser",
   "speech",
   "state-paths",
   "tool-send"