feat: incorporate more socials (#6)

### Explanation

We can automate the heck out of announcements everywhere. Except LinkedIn, because that API looks agonising.

### 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: #6
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

server/package.json

@@ -16,11 +16,14 @@
   "license": "ISC",
   "packageManager": "pnpm@10.12.3",
   "dependencies": {
+    "@anthropic-ai/sdk": "0.56.0",
+    "@atproto/api": "0.15.26",
     "@fastify/cors": "11.0.1",
     "@nhcarrigan/logger": "1.0.0",
     "@prisma/client": "6.11.1",
     "fastify": "5.4.0",
-    "gray-matter": "4.0.3"
+    "gray-matter": "4.0.3",
+    "twitter-api-v2": "1.24.0"
   },
   "devDependencies": {
     "@types/node": "24.0.10",