refactor: align commands and interaction handler with project style

- Replace forwardToOwner embed approach with getComponentsForNaomi + Components V2
- Extract InteractionCreate handler to src/events/handleInteractionCreate.ts
- Replace deployGlobal.ts script with static commands.json payload
- Fix minor error handling in createTask and onboardMentee

commands.json

@@ -1,86 +1,87 @@
 [
-  {
-    "name": "onboard-mentee",
-    "description": "Onboard a new mentee to the nhcarrigan-mentorship GitHub org",
-    "options": [
-      {
-        "name": "mentee",
-        "description": "The mentee's Discord user",
-        "type": 6,
-        "required": true
-      },
-      {
-        "name": "mentee_name",
-        "description": "The mentee's full name",
-        "type": 3,
-        "required": true
-      },
-      {
-        "name": "github_username",
-        "description": "The mentee's GitHub username",
-        "type": 3,
-        "required": true
-      }
-    ]
-  },
-  {
-    "name": "create-task",
-    "description": "Create an AI-augmented task on Leantime",
-    "options": [
-      {
-        "name": "title",
-        "description": "The task title",
-        "type": 3,
-        "required": true
-      },
-      {
-        "name": "description",
-        "description": "Additional context for the task (AI will expand this)",
-        "type": 3,
-        "required": false
-      },
-      {
-        "name": "priority",
-        "description": "Task priority level",
-        "type": 4,
-        "required": false,
-        "choices": [
-          { "name": "Urgent", "value": 1 },
-          { "name": "High",   "value": 2 },
-          { "name": "Medium", "value": 3 },
-          { "name": "Low",    "value": 4 }
-        ]
-      }
-    ]
-  },
   {
     "name": "create-issue",
-    "description": "Create an AI-augmented issue on a Gitea repository",
+    "type": 1,
+    "description": "Creates a Gitea issue with an AI-generated body.",
     "options": [
       {
         "name": "owner",
-        "description": "The repository owner",
+        "description": "The owner of the repository.",
         "type": 3,
         "required": true
       },
       {
         "name": "repo",
-        "description": "The repository name",
+        "description": "The name of the repository.",
         "type": 3,
         "required": true
       },
       {
         "name": "title",
-        "description": "The issue title",
+        "description": "The issue title.",
         "type": 3,
         "required": true
       },
       {
         "name": "description",
-        "description": "Additional context for the issue (AI will expand this)",
+        "description": "Optional additional context for the issue body.",
         "type": 3,
         "required": false
       }
     ]
+  },
+  {
+    "name": "create-task",
+    "type": 1,
+    "description": "Creates a Leantime task with an AI-generated description.",
+    "options": [
+      {
+        "name": "title",
+        "description": "The task title.",
+        "type": 3,
+        "required": true
+      },
+      {
+        "name": "description",
+        "description": "Optional additional context for the task description.",
+        "type": 3,
+        "required": false
+      },
+      {
+        "name": "priority",
+        "description": "The task priority level (1-5, default 3).",
+        "type": 4,
+        "required": false
+      }
+    ]
+  },
+  {
+    "name": "onboard-mentee",
+    "type": 1,
+    "description": "Onboards a new mentee by setting up their GitHub repository.",
+    "options": [
+      {
+        "name": "mentee_name",
+        "description": "The mentee's full name.",
+        "type": 3,
+        "required": true
+      },
+      {
+        "name": "github_username",
+        "description": "The mentee's GitHub username.",
+        "type": 3,
+        "required": true
+      },
+      {
+        "name": "mentee",
+        "description": "The mentee's Discord account.",
+        "type": 6,
+        "required": true
+      }
+    ]
+  },
+  {
+    "name": "Forward to Naomi",
+    "type": 3
   }
 ]