Initial commit - LettaBot multi-channel AI assistant

Co-authored-by: Cameron Pfiffer <cameron@pfiffer.org>
Co-authored-by: Caren Thomas <carenthomas@gmail.com>
Co-authored-by: Charles Packer <packercharles@gmail.com>
Co-authored-by: Sarah Wooders <sarahwooders@gmail.com>

.skills/imsg/SKILL.md

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+---
+name: imsg
+description: iMessage/SMS CLI for listing chats, history, watch, and sending.
+homepage: https://imsg.to
+metadata: {"clawdbot":{"emoji":"📨","os":["darwin"],"requires":{"bins":["imsg"]},"install":[{"id":"brew","kind":"brew","formula":"steipete/tap/imsg","bins":["imsg"],"label":"Install imsg (brew)"}]}}
+---
+
+# imsg
+
+Use `imsg` to read and send Messages.app iMessage/SMS on macOS.
+
+Requirements
+- Messages.app signed in
+- Full Disk Access for your terminal
+- Automation permission to control Messages.app (for sending)
+
+Common commands
+- List chats: `imsg chats --limit 10 --json`
+- History: `imsg history --chat-id 1 --limit 20 --attachments --json`
+- Watch: `imsg watch --chat-id 1 --attachments`
+- Send: `imsg send --to "+14155551212" --text "hi" --file /path/pic.jpg`
+
+Notes
+- `--service imessage|sms|auto` controls delivery.
+- Confirm recipient + message before sending.