chore: switch to bun, remove pnpm lockfile

- README now correctly says 'bun install' (matches bun-types in devDeps)
- Removed pnpm-lock.yaml to avoid package manager confusion
- Plugin version bump from earlier session work

Author: joelhooks

README.md

@@ -34,7 +34,7 @@ Built on [`joelhooks/swarmtools`](https://github.com/joelhooks/swarmtools) - mul
 
 ```bash
 git clone https://github.com/joelhooks/opencode-config ~/.config/opencode
-cd ~/.config/opencode && pnpm install
+cd ~/.config/opencode && bun install
 ```
 
 ### 2. Install CLI Tools

package.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "@opencode-ai/plugin": "0.0.0-dev-202512181632",
+    "@opencode-ai/plugin": "0.0.0-dev-202512181659",
     "opencode-swarm-plugin": "^0.12.18",
     "swarm-mail": "^0.2.1"
   },