deps: update fastify to 5.7.4

### Explanation

_No response_

### Issue

_No response_

### Attestations

- [ ] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [ ] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [ ] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [ ] I have pinned the dependencies to a specific patch version.

### Style

- [ ] I have run the linter and resolved any errors.
- [ ] My pull request uses an appropriate title, matching the conventional commit standards.
- [ ] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [ ] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

_No response_

### Versioning

_No response_

Reviewed-on: nhcarrigan/cordelia-taryne#4
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

.gitea/workflows/ci.yml

@@ -8,22 +8,31 @@ on:
       - main
 
 jobs:
-  lint:
+  ci:
-    name: Lint and Test
+    name: CI
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@v4
 
-      - name: Use Node.js v22
+      - name: Use Node.js v24
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 9
+          version: 10
+
+      - name: Ensure Dependencies are Pinned
+        uses: naomi-lgbt/dependency-pin-check@main
+        with:
+          language: javascript
+          dev-dependencies: true
+          peer-dependencies: true
+          optional-dependencies: true
 
       - name: Install Dependencies
         run: pnpm install

.gitea/workflows/security.yml

@@ -0,0 +1,177 @@
+name: Security Scan and Upload
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  schedule:
+    - cron: '0 0 * * 1'
+  workflow_dispatch:
+
+jobs:
+  security-audit:
+    name: Security & DefectDojo Upload
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # --- AUTO-SETUP PROJECT ---
+      - name: Ensure DefectDojo Product Exists
+        env:
+          DD_URL: ${{ secrets.DD_URL }}
+          DD_TOKEN: ${{ secrets.DD_TOKEN }}
+          PRODUCT_NAME: ${{ github.repository }} 
+          PRODUCT_TYPE_ID: 1 
+        run: |
+          sudo apt-get install jq -y > /dev/null
+          
+          echo "Checking connection to $DD_URL..."
+          
+          # Check if product exists - capture HTTP code to debug connection issues
+          RESPONSE=$(curl --write-out "%{http_code}" --silent --output /tmp/response.json \
+            -H "Authorization: Token $DD_TOKEN" \
+            "$DD_URL/api/v2/products/?name=$PRODUCT_NAME")
+          
+          # If response is not 200, print error
+          if [ "$RESPONSE" != "200" ]; then
+            echo "::error::Failed to query DefectDojo. HTTP Code: $RESPONSE"
+            cat /tmp/response.json
+            exit 1
+          fi
+
+          COUNT=$(cat /tmp/response.json | jq -r '.count')
+          
+          if [ "$COUNT" = "0" ]; then
+            echo "Creating product '$PRODUCT_NAME'..."
+            curl -s -X POST "$DD_URL/api/v2/products/" \
+              -H "Authorization: Token $DD_TOKEN" \
+              -H "Content-Type: application/json" \
+              -d '{ "name": "'"$PRODUCT_NAME"'", "description": "Auto-created by Gitea Actions", "prod_type": '$PRODUCT_TYPE_ID' }'
+          else
+            echo "Product '$PRODUCT_NAME' already exists."
+          fi
+
+      # --- 1. TRIVY (Dependencies & Misconfig) ---
+      - name: Install Trivy
+        run: |
+          sudo apt-get install wget apt-transport-https gnupg lsb-release -y
+          wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | sudo apt-key add -
+          echo "deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main" | sudo tee -a /etc/apt/sources.list.d/trivy.list
+          sudo apt-get update && sudo apt-get install trivy -y
+
+      - name: Run Trivy (FS Scan)
+        run: |
+          trivy fs . --scanners vuln,misconfig --format json --output trivy-results.json --exit-code 0
+
+      - name: Upload Trivy to DefectDojo
+        env:
+          DD_URL: ${{ secrets.DD_URL }}
+          DD_TOKEN: ${{ secrets.DD_TOKEN }}
+        run: |
+          echo "Uploading Trivy results..."
+          # Generate today's date in YYYY-MM-DD format
+          TODAY=$(date +%Y-%m-%d)
+          
+          HTTP_CODE=$(curl --write-out "%{http_code}" --output response.txt --silent -X POST "$DD_URL/api/v2/import-scan/" \
+            -H "Authorization: Token $DD_TOKEN" \
+            -F "active=true" \
+            -F "verified=true" \
+            -F "scan_type=Trivy Scan" \
+            -F "engagement_name=CI/CD Pipeline" \
+            -F "product_name=${{ github.repository }}" \
+            -F "scan_date=$TODAY" \
+            -F "auto_create_context=true" \
+            -F "file=@trivy-results.json")
+          
+          if [[ "$HTTP_CODE" != "200" && "$HTTP_CODE" != "201" ]]; then
+            echo "::error::Upload Failed with HTTP $HTTP_CODE"
+            echo "--- SERVER RESPONSE ---"
+            cat response.txt
+            echo "-----------------------"
+            exit 1
+          else
+            echo "Upload Success!"
+          fi
+
+      # --- 2. GITLEAKS (Secrets) ---
+      - name: Install Gitleaks
+        run: |
+          wget -qO gitleaks.tar.gz https://github.com/gitleaks/gitleaks/releases/download/v8.18.0/gitleaks_8.18.0_linux_x64.tar.gz
+          tar -xzf gitleaks.tar.gz
+          sudo mv gitleaks /usr/local/bin/ && chmod +x /usr/local/bin/gitleaks
+
+      - name: Run Gitleaks
+        run: gitleaks detect --source . -v --report-path gitleaks-results.json --report-format json --no-git || true
+
+      - name: Upload Gitleaks to DefectDojo
+        env:
+          DD_URL: ${{ secrets.DD_URL }}
+          DD_TOKEN: ${{ secrets.DD_TOKEN }}
+        run: |
+          echo "Uploading Gitleaks results..."  
+          TODAY=$(date +%Y-%m-%d)
+
+          HTTP_CODE=$(curl --write-out "%{http_code}" --output response.txt --silent -X POST "$DD_URL/api/v2/import-scan/" \
+            -H "Authorization: Token $DD_TOKEN" \
+            -F "active=true" \
+            -F "verified=true" \
+            -F "scan_type=Gitleaks Scan" \
+            -F "engagement_name=CI/CD Pipeline" \
+            -F "product_name=${{ github.repository }}" \
+            -F "scan_date=$TODAY" \
+            -F "auto_create_context=true" \
+            -F "file=@gitleaks-results.json")
+
+          if [[ "$HTTP_CODE" != "200" && "$HTTP_CODE" != "201" ]]; then
+             echo "::error::Upload Failed with HTTP $HTTP_CODE"
+             echo "--- SERVER RESPONSE ---"
+             cat response.txt
+             echo "-----------------------"
+             exit 1
+          else
+             echo "Upload Success!"
+          fi
+
+      # --- 3. SEMGREP (SAST) ---
+      - name: Install Semgrep (via pipx)
+        run: |
+          sudo apt-get install pipx -y
+          pipx install semgrep
+          # Add pipx binary path to GITHUB_PATH so next steps can see 'semgrep'
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Run Semgrep
+        run: semgrep scan --config=p/security-audit --config=p/owasp-top-ten --json --output semgrep-results.json . || true
+
+      - name: Upload Semgrep to DefectDojo
+        env:
+          DD_URL: ${{ secrets.DD_URL }}
+          DD_TOKEN: ${{ secrets.DD_TOKEN }}
+        run: |
+          echo "Uploading Semgrep results..."
+          TODAY=$(date +%Y-%m-%d)
+          
+          HTTP_CODE=$(curl --write-out "%{http_code}" --output response.txt --silent -X POST "$DD_URL/api/v2/import-scan/" \
+            -H "Authorization: Token $DD_TOKEN" \
+            -F "active=true" \
+            -F "verified=true" \
+            -F "scan_type=Semgrep JSON Report" \
+            -F "engagement_name=CI/CD Pipeline" \
+            -F "product_name=${{ github.repository }}" \
+            -F "scan_date=$TODAY" \
+            -F "auto_create_context=true" \
+            -F "file=@semgrep-results.json")
+
+          if [[ "$HTTP_CODE" != "200" && "$HTTP_CODE" != "201" ]]; then
+             echo "::error::Upload Failed with HTTP $HTTP_CODE"
+             echo "--- SERVER RESPONSE ---"
+             cat response.txt
+             echo "-----------------------"
+             exit 1
+          else
+             echo "Upload Success!"
+          fi

.npmrc

@@ -0,0 +1,25 @@
+# Package Manager Configuration
+# Force pnpm usage - breaks npm/yarn intentionally
+node-linker=pnpm
+
+# Security: Disable all lifecycle scripts
+ignore-scripts=true
+enable-pre-post-scripts=false
+
+# Security: Require packages to be 10+ days old before installation
+minimum-release-age=14400
+
+# Security: Verify package integrity hashes
+verify-store-integrity=true
+
+# Security: Enforce strict trust policies
+trust-policy=strict
+
+# Security: Strict peer dependency resolution
+strict-peer-dependencies=true
+
+# Performance: Use symlinks for node_modules
+symlink=true
+
+# Lockfile: Ensure lockfile is not modified during install
+frozen-lockfile=false

README.md

@@ -8,7 +8,7 @@ Cordelia is a multi-purpose AI powered assistant for Discord.
 
 ## Feedback and Bugs
 
-If you have feedback or a bug report, please feel free to open a GitHub issue!
+If you have feedback or a bug report, please [log a ticket on our forum](https://support.nhcarrigan.com).
 
 ## Contributing
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cordelia-taryne",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "An AI-powered multi-purpose assistant for Discord.",
   "main": "index.js",
   "type": "module",
@@ -14,16 +14,17 @@
   "author": "Naomi Carrigan",
   "license": "See license in LICENSE.md",
   "devDependencies": {
-    "@nhcarrigan/eslint-config": "5.1.0",
+    "@nhcarrigan/eslint-config": "5.2.0",
     "@nhcarrigan/typescript-config": "4.0.0",
-    "@types/node": "22.13.1",
+    "@types/node": "22.15.21",
-    "eslint": "9.20.0",
+    "eslint": "9.27.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.3"
   },
   "dependencies": {
-    "@anthropic-ai/sdk": "0.36.3",
+    "@anthropic-ai/sdk": "0.52.0",
-    "discord.js": "14.18.0",
+    "@nhcarrigan/discord-analytics": "0.0.6",
-    "fastify": "5.2.1",
+    "@nhcarrigan/logger": "1.1.1",
-    "winston": "3.17.0"
+    "discord.js": "14.19.3",
+    "fastify": "5.7.4"
   }
 }

prod.env

@@ -1,2 +1,3 @@
 DISCORD_TOKEN="op://Environment Variables - Naomi/Cordelia Taryne/discord_token"
 AI_TOKEN="op://Environment Variables - Naomi/Cordelia Taryne/ai_token"
+LOG_TOKEN="op://Environment Variables - Naomi/Alert Server/api_auth"

src/index.ts

@@ -3,6 +3,7 @@
  * @license Naomi's Public License
  * @author Naomi Carrigan
  */
+import { DiscordAnalytics } from "@nhcarrigan/discord-analytics";
 import { Client, Events, type ChatInputCommandInteraction } from "discord.js";
 import { about } from "./modules/about.js";
 import { alt } from "./modules/alt.js";
@@ -12,7 +13,7 @@ import { proofread } from "./modules/proofread.js";
 import { query } from "./modules/query.js";
 import { summarise } from "./modules/summarise.js";
 import { instantiateServer } from "./server/serve.js";
-import { logHandler } from "./utils/logHandler.js";
+import { logger } from "./utils/logger.js";
 
 const commands: Record<
   string,
@@ -28,11 +29,30 @@ const commands: Record<
   "summarise": summarise,
 };
 
+process.on("unhandledRejection", (error) => {
+  if (error instanceof Error) {
+    void logger.error("Unhandled Rejection", error);
+    return;
+  }
+  void logger.error("unhandled rejection", new Error(String(error)));
+});
+
+process.on("uncaughtException", (error) => {
+  if (error instanceof Error) {
+    void logger.error("Uncaught Exception", error);
+    return;
+  }
+  void logger.error("uncaught exception", new Error(String(error)));
+});
+
 const client = new Client({
   intents: [],
 });
 
+const analytics = new DiscordAnalytics(client, logger);
+
 client.on(Events.InteractionCreate, (interaction) => {
+  void analytics.logGatewayEvent(Events.InteractionCreate, { ...interaction });
   if (interaction.isChatInputCommand()) {
     const handler = commands[interaction.commandName];
     if (handler) {
@@ -41,8 +61,17 @@ client.on(Events.InteractionCreate, (interaction) => {
   }
 });
 
+client.on(Events.EntitlementCreate, (entitlement) => {
+  void logger.log("info", `User ${entitlement.userId} has subscribed!`);
+});
+
+client.on(Events.EntitlementDelete, (entitlement) => {
+  void logger.log("info", `User ${entitlement.userId} has unsubscribed... :c`);
+});
+
 client.on(Events.ClientReady, () => {
-  logHandler.info("Bot is ready.");
+  void logger.log("debug", "Bot is ready.");
+  analytics.startCron();
 });
 
 instantiateServer();

src/modules/about.ts

@@ -13,14 +13,18 @@ import {
   MessageFlags,
   type ChatInputCommandInteraction,
 } from "discord.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Responds with information about the bot.
  * @param interaction -- The interaction payload from Discord.
  */
+// eslint-disable-next-line max-lines-per-function -- Refactor at a later time.
 export const about = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
 
     const version = process.env.npm_package_version ?? "Unknown";
@@ -65,4 +69,10 @@ export const about = async(
       components: [ row ],
       embeds:     [ embed ],
     });
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("about command", error);
+    }
+  }
 };

src/modules/alt.ts

@@ -6,12 +6,15 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
-import type { ImageBlockParam } from "@anthropic-ai/sdk/resources/index.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
+import type { Base64ImageSource } from "@anthropic-ai/sdk/resources/index.js";
 
 const isValidContentType = (
   type: string,
-): type is ImageBlockParam["source"]["media_type"] => {
+): type is Base64ImageSource["media_type"] => {
   return [
     "image/jpg",
     "image/jpeg",
@@ -30,6 +33,7 @@ const isValidContentType = (
 export const alt = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -96,7 +100,7 @@ export const alt = async(
           role: "user",
         },
       ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to generate descriptive and accessible alt-text for the user's image. Be as descriptive as possible. Do not include ANYTHING in your response EXCEPT the actual alt-text. Wrap the text in a multi-line code block for easy copying.`,
       temperature: 1,
     });
@@ -109,4 +113,13 @@ export const alt = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "alt-text");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("alt-text command", error);
+    }
+  }
 };

src/modules/evaluate.ts

@@ -6,7 +6,10 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Accepts an arbitrary code snippet from the user, then sends
@@ -16,6 +19,7 @@ import { isSubscribed } from "../utils/isSubscribed.js";
 export const evaluate = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -27,7 +31,7 @@ export const evaluate = async(
     // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens:  2000,
       messages:    [ { content: code, role: "user" } ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to evaluate the user's code and provide the result. Wrap ONLY THE CODE RESULT in a multi-line code block for easy copying.`,
       temperature: 1,
     });
@@ -40,4 +44,13 @@ export const evaluate = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "evaluate");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("evaluate command", error);
+    }
+  }
 };

src/modules/mood.ts

@@ -6,7 +6,10 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Accepts a text snippet from the user. Submits it to Anthropic
@@ -16,6 +19,7 @@ import { isSubscribed } from "../utils/isSubscribed.js";
 export const mood = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -28,7 +32,7 @@ export const mood = async(
     // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens:  2000,
       messages:    [ { content: prompt, role: "user" } ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to analyse the text the user provides for the overall sentiment and mood of the author.`,
       temperature: 1,
     });
@@ -41,4 +45,13 @@ export const mood = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "mood");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("mood command", error);
+    }
+  }
 };

src/modules/proofread.ts

@@ -6,7 +6,10 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Accepts a text snippet from the user. Submits it to Anthropic
@@ -16,6 +19,7 @@ import { isSubscribed } from "../utils/isSubscribed.js";
 export const proofread = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -28,7 +32,7 @@ export const proofread = async(
     // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens:  2000,
       messages:    [ { content: prompt, role: "user" } ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to proofread the text the user has provided. You should identify spelling and grammatical errors using British English.`,
       temperature: 1,
     });
@@ -41,4 +45,13 @@ export const proofread = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "proofread");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("proofread command", error);
+    }
+  }
 };

src/modules/query.ts

@@ -6,7 +6,10 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Accepts an arbitrary question from the user, then sends it to Anthropic
@@ -16,6 +19,7 @@ import { isSubscribed } from "../utils/isSubscribed.js";
 export const query = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -28,7 +32,7 @@ export const query = async(
     // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens:  2000,
       messages:    [ { content: prompt, role: "user" } ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to answer the user's question to the best of your abilities. When possible, include links to relevant sources.`,
       temperature: 1,
     });
@@ -41,4 +45,13 @@ export const query = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "query");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("query command", error);
+    }
+  }
 };

src/modules/summarise.ts

@@ -6,7 +6,10 @@
 import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
+import { calculateCost } from "../utils/calculateCost.js";
 import { isSubscribed } from "../utils/isSubscribed.js";
+import { logger } from "../utils/logger.js";
+import { replyToError } from "../utils/replyToError.js";
 
 /**
  * Accepts a text snippet from the user. Submits it to Anthropic
@@ -16,6 +19,7 @@ import { isSubscribed } from "../utils/isSubscribed.js";
 export const summarise = async(
   interaction: ChatInputCommandInteraction,
 ): Promise<void> => {
+  try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
     const sub = await isSubscribed(interaction);
     if (!sub) {
@@ -28,7 +32,7 @@ export const summarise = async(
     // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens:  2000,
       messages:    [ { content: prompt, role: "user" } ],
-    model:       "claude-3-5-sonnet-latest",
+      model:       "claude-sonnet-4-20250514",
       system:      `${personality} Your role in this conversation is to summarise the text the user has provided. Your goal is to reach 250 words or less. Wrap ONLY THE SUMMARY in multi-line code block so it is easy to copy.`,
       temperature: 1,
     });
@@ -41,4 +45,13 @@ export const summarise = async(
       response?.text
       ?? "I'm sorry, I don't have an answer for that. Please try again later.",
     );
+
+    const { usage } = messages;
+    await calculateCost(usage, interaction.user.username, "summarise");
+  } catch (error) {
+    await replyToError(interaction);
+    if (error instanceof Error) {
+      await logger.error("summarise command", error);
+    }
+  }
 };

src/server/serve.ts

@@ -5,27 +5,31 @@
  */
 
 import fastify from "fastify";
-import { logHandler } from "../utils/logHandler.js";
+import { logger } from "../utils/logger.js";
 
 const html = `<!DOCTYPE html>
 <html>
   <head>
-    <title>Aria Iuvo</title>
+    <title>Cordelia Taryne</title>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <meta name="description" content="Bot to translate your messages on Discord!" />
+    <meta name="description" content="AI-powered multi-purpose assistant for Discord!" />
     <script src="https://cdn.nhcarrigan.com/headers/index.js" async defer></script>
   </head>
   <body>
     <main>
-    <h1>Aria Iuvo</h1>
+    <h1>Cordelia Taryne</h1>
+    <img src="https://cdn.nhcarrigan.com/new-avatars/cordelia-full.png" width="250" alt="Cordelia" />
     <section>
-      <p>Bot to translate your messages on Discord!</p>
+      <p>AI-powered multi-purpose assistant for Discord!</p>
+      <a href="https://discord.com/oauth2/authorize?client_id=1338664192714211459" class="social-button discord-button" style="display: inline-block; background-color: #5865F2; color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px; margin: 5px;">
+        <i class="fab fa-discord"></i> Add to Discord
+      </a>
     </section>
     <section>
         <h2>Links</h2>
         <p>
-            <a href="https://git.nhcarrigan.com/nhcarrigan/aria-iuvo">
+            <a href="https://git.nhcarrigan.com/nhcarrigan/cordelia-taryne">
                 <i class="fa-solid fa-code"></i> Source Code
             </a>
         </p>
@@ -60,12 +64,16 @@ export const instantiateServer = (): void => {
 
     server.listen({ port: 5002 }, (error) => {
       if (error) {
-        logHandler.error(error);
+        void logger.error("instantiate server", error);
         return;
       }
-      logHandler.info("Server listening on port 5002.");
+      void logger.log("debug", "Server listening on port 5002.");
     });
   } catch (error) {
-    logHandler.error(error);
+    if (error instanceof Error) {
+      void logger.error("instantiate server", error);
+      return;
+    }
+    void logger.error("instantiate server", new Error("Unknown error"));
   }
 };

src/utils/calculateCost.ts

@@ -0,0 +1,30 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+import { logger } from "./logger.js";
+import type { Usage } from "@anthropic-ai/sdk/resources/index.js";
+
+/**
+ * Calculates the cost of a command run by a user, and sends to
+ * our logging service.
+ * @param usage -- The usage payload from Anthropic.
+ * @param uuid -- The Discord ID of the user who ran the command.
+ * @param command -- The command that was run.
+ */
+export const calculateCost = async(
+  usage: Usage,
+  uuid: string,
+  command: string,
+): Promise<void> => {
+  const inputCost = usage.input_tokens * (3 / 1_000_000);
+  const outputCost = usage.output_tokens * (15 / 1_000_000);
+  const totalCost = inputCost + outputCost;
+  await logger.log(
+    "info",
+    `User ${uuid} ran \`${command}\` which accepted ${usage.input_tokens.toString()} and generated ${usage.output_tokens.toString()}.
+    
+    Total cost: ${totalCost.toLocaleString("en-GB", { currency: "USD", style: "currency" })}`,
+  );
+};

src/utils/isSubscribed.ts

@@ -26,7 +26,7 @@ export const isSubscribed = async(
   if (!isEntitled && interaction.user.id !== "465650873650118659") {
     const subscribeButton = new ButtonBuilder().
       setStyle(ButtonStyle.Premium).
-      setSKUId("1338596712121499669");
+      setSKUId("1338672773261951026");
     const row = new ActionRowBuilder<ButtonBuilder>().addComponents(
       subscribeButton,
     );

src/utils/logHandler.ts

@@ -1,31 +0,0 @@
-/**
- * @copyright nhcarrigan
- * @license Naomi's Public License
- * @author Naomi Carrigan
- */
-import { createLogger, format, transports, config } from "winston";
-
-const { combine, timestamp, colorize, printf } = format;
-
-/**
- * Standard log handler, using winston to wrap and format
- * messages. Call with `logHandler.log(level, message)`.
- * @param {string} level - The log level to use.
- * @param {string} message - The message to log.
- */
-export const logHandler = createLogger({
-  exitOnError: false,
-  format:      combine(
-    timestamp({
-      format: "YYYY-MM-DD HH:mm:ss",
-    }),
-    colorize(),
-    printf((info) => {
-      // eslint-disable-next-line @typescript-eslint/restrict-template-expressions -- Winston properties...
-      return `${info.level}: ${info.timestamp}: ${info.message}`;
-    }),
-  ),
-  level:      "silly",
-  levels:     config.npm.levels,
-  transports: [ new transports.Console() ],
-});

src/utils/logger.ts

@@ -0,0 +1,12 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import { Logger } from "@nhcarrigan/logger";
+
+export const logger = new Logger(
+  "Cordelia Taryne",
+  process.env.LOG_TOKEN ?? "",
+);

src/utils/replyToError.ts

@@ -0,0 +1,38 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+import {
+  ActionRowBuilder,
+  ButtonBuilder,
+  ButtonStyle,
+  type ChatInputCommandInteraction,
+  type MessageContextMenuCommandInteraction,
+} from "discord.js";
+
+/**
+ * Responds to an interaction with a generic error message.
+ * @param interaction -- The interaction payload from Discord.
+ */
+export const replyToError = async(
+  interaction:
+    | ChatInputCommandInteraction
+    | MessageContextMenuCommandInteraction,
+): Promise<void> => {
+  const button = new ButtonBuilder().setLabel("Need help?").
+    setStyle(ButtonStyle.Link).
+    setURL("https://chat.nhcarrigan.com");
+  const row = new ActionRowBuilder<ButtonBuilder>().addComponents(button);
+  if (interaction.deferred || interaction.replied) {
+    await interaction.editReply({
+      components: [ row ],
+      content:    "An error occurred while running this command.",
+    });
+    return;
+  }
+  await interaction.reply({
+    components: [ row ],
+    content:    "An error occurred while running this command.",
+  });
+};