feat(learning): replace courses with project catalog

electron/preload/index.ts

@@ -20,7 +20,6 @@ const validInvokeChannels = [
   'opencode:health',
   'lifecycle:activity',
   'lifecycle:lease',
-  'learning:closePlayer',
   'shell:openExternal',
   'shell:showItemInFolder',
   'shell:openPath',
@@ -48,15 +47,6 @@ const validInvokeChannels = [
   'admin:verifyPassword',
   'admin:isUnlocked',
   'admin:lock',
-  'learning:startGeneration',
-  'learning:download',
-  'learning:listInstalled',
-  'learning:readClassroom',
-  'learning:playerUrl',
-  'learning:agentAsk',
-  'learning:agentReset',
-  'learning:transcribe',
-  'learning:runtimeRequest',
   'provider:list',
   'provider:get',
   'provider:save',
@@ -100,7 +90,6 @@ const validEventChannels = [
   'lifecycle:pause',
   'lifecycle:sleep',
   'release-job:status',
-  'learning:runtime-event',
 ];
 
 /**