feat: migrate to claude 4 (#1)

### Explanation

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### Issue

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### 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.

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Reviewed-on: #1
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

package.json

@@ -14,18 +14,18 @@
   "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",
-    "@vitest/coverage-istanbul": "3.0.5",
-    "eslint": "9.20.0",
-    "typescript": "5.7.3",
-    "vitest": "3.0.5"
+    "@types/node": "22.15.21",
+    "@vitest/coverage-istanbul": "3.1.4",
+    "eslint": "9.27.0",
+    "typescript": "5.8.3",
+    "vitest": "3.1.4"
   },
   "dependencies": {
-    "@anthropic-ai/sdk": "0.36.3",
+    "@anthropic-ai/sdk": "0.52.0",
     "@nhcarrigan/logger": "1.0.0",
-    "discord.js": "14.18.0",
-    "fastify": "5.2.1"
+    "discord.js": "14.19.3",
+    "fastify": "5.3.3"
   }
 }

src/modules/start.ts

@@ -11,6 +11,7 @@ import {
 import { personality } from "../config/personality.js";
 import { ai } from "../utils/ai.js";
 import { calculateCost } from "../utils/calculateCost.js";
+import { isSubscribedInteraction } from "../utils/isSubscribed.js";
 import { logger } from "../utils/logger.js";
 import { replyToError } from "../utils/replyToError.js";
 
@@ -24,13 +25,18 @@ export const start = async(
   try {
     await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
 
+    const subbed = await isSubscribedInteraction(interaction);
+    if (!subbed) {
+      return;
+    }
+
     const messages = await ai.messages.create({
       // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
       max_tokens: 2000,
       messages:   [
         { content: "Please start a new story for me.", role: "user" },
       ],
-      model:  "claude-3-5-sonnet-latest",
+      model:  "claude-sonnet-4-20250514",
       system: `${personality} The user has requested to start a new adventure. You should generate the first message for the game. The user's name is ${interaction.user.displayName}`,
     });