feat: add makeAiRequest utility with Amari personality prompt

- Centralise all Claude API calls through a shared makeAiRequest module
- Apply a consistent Amari personality to all AI-generated content
- Add try/catch with logger.error to all AI and external API call sites
- Extract postGiteaIssue helper in createIssue for better structure

src/commands/createTask.ts

@@ -6,46 +6,36 @@
 
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { ids } from "../config/ids.js";
-import { anthropic } from "../utils/anthropic.js";
 import { logger } from "../utils/logger.js";
+import { makeAiRequest } from "../utils/makeAiRequest.js";
 
 interface LeantimeResponse {
   error?:  { message: string };
   result?: number;
 }
 
-const taskSystemPrompt = "You are a helpful assistant that creates"
-  + " well-structured task descriptions. Be concise and actionable."
+const taskSystemPrompt = "Create well-structured task descriptions."
+  + " Be concise and actionable."
   + " Return only the description text with no extra formatting or headers.";
 
 /**
- * Generates an AI-augmented task description using Claude.
+ * Generates an AI-augmented task description.
  * @param description - Optional additional context for the task.
  * @param title - The subject of the Leantime task.
- * @returns The generated task description text.
+ * @returns The generated task description text, or the original description as fallback.
  */
 const generateTaskDescription = async(
   description: string,
   title: string,
 ): Promise<string> => {
-  const aiResponse = await anthropic.messages.create({
-    // eslint-disable-next-line @typescript-eslint/naming-convention -- Anthropic API field.
-    max_tokens: 500,
-    messages:   [
-      {
-        content: `Create a clear, concise task description for a personal productivity board.\n\nTask title: ${title}${description === ""
-          ? ""
-          : `\nAdditional context: ${description}`}`,
-        role: "user",
-      },
-    ],
-    model:  "claude-haiku-4-5-20251001",
-    system: taskSystemPrompt,
+  const result = await makeAiRequest({
+    maxTokens:    500,
+    systemPrompt: taskSystemPrompt,
+    userMessage:  `Create a clear, concise task description for a personal productivity board.\n\nTask title: ${title}${description === ""
+      ? ""
+      : `\nAdditional context: ${description}`}`,
   });
-  const [ firstContent ] = aiResponse.content;
-  return firstContent?.type === "text"
-    ? firstContent.text
-    : description;
+  return result ?? description;
 };
 
 /**
@@ -110,23 +100,32 @@ export const createTask = async(
 
   await interaction.deferReply({ ephemeral: true });
 
-  const augmentedDesc = await generateTaskDescription(description, title);
-  const data = await postLeantimeTask(augmentedDesc, priority, title);
+  try {
+    const augmentedDesc = await generateTaskDescription(description, title);
+    const data = await postLeantimeTask(augmentedDesc, priority, title);
 
-  if (data.error !== undefined) {
+    if (data.error !== undefined) {
+      await interaction.editReply({
+        content: `❌ Failed to create task: ${data.error.message}`,
+      });
+      return;
+    }
+
+    const taskId = data.result;
+    const taskUrl = taskId === undefined
+      ? "https://board.nhcarrigan.com"
+      : `https://board.nhcarrigan.com/dashboard/home#/tickets/showTicket/${taskId.toString()}`;
+
+    await logger.metric("created_task", 1, { title });
     await interaction.editReply({
-      content: `❌ Failed to create task: ${data.error.message}`,
+      content: `✅ Task created: **${title}**\n${taskUrl}`,
+    });
+  } catch (error) {
+    if (error instanceof Error) {
+      await logger.error("createTask command", error);
+    }
+    await interaction.editReply({
+      content: "❌ An unexpected error occurred while creating the task.",
     });
-    return;
   }
-
-  const taskId = data.result;
-  const taskUrl = taskId === undefined
-    ? "https://board.nhcarrigan.com"
-    : `https://board.nhcarrigan.com/dashboard/home#/tickets/showTicket/${taskId.toString()}`;
-
-  await logger.metric("created_task", 1, { title });
-  await interaction.editReply({
-    content: `✅ Task created: **${title}**\n${taskUrl}`,
-  });
 };