build(deps-dev): bump @earendil-works/pi-ai from 0.80.10 to 0.81.1

Bumps [@earendil-works/pi-ai](https://github.com/earendil-works/pi/tree/HEAD/packages/ai) from 0.80.10 to 0.81.1.
- [Release notes](https://github.com/earendil-works/pi/releases)
- [Changelog](https://github.com/earendil-works/pi/blob/main/packages/ai/CHANGELOG.md)
- [Commits](https://github.com/earendil-works/pi/commits/v0.81.1/packages/ai)

---
updated-dependencies:
- dependency-name: "@earendil-works/pi-ai"
  dependency-version: 0.81.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

bun.lock

@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.5.4",
-    "@earendil-works/pi-ai": "0.80.10",
+    "@earendil-works/pi-ai": "0.81.1",
     "@earendil-works/pi-coding-agent": "0.80.10",
     "@earendil-works/pi-tui": "0.80.10",
     "@opencode-ai/plugin": "1.18.4",