Update docs to reflect stages 1-4 complete and working email reply

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -3,8 +3,7 @@
 > **Experimental** — this is a work in progress and the architecture is still evolving.
 
 An IMAP bridge that forwards emails from a trusted sender as prompts to a running
-[Claude Code](https://claude.ai/code) instance. Send an email, get a response in
-your terminal.
+[Claude Code](https://claude.ai/code) instance, and sends replies back via email.
 
 ## How it works
 
@@ -12,16 +11,17 @@ your terminal.
 2. Filters by a configured sender address
 3. Formats the email as a prompt and dispatches it to Claude Code via an external
    paste utility
-4. Claude Code reads and responds in the terminal as normal
+4. Claude Code processes the message and replies via the CCC `send-email` action
 
 ## Dependencies
 
 - [imapflow](https://imapflow.com/) — IMAP client
 - [mailparser](https://nodemailer.com/extras/mailparser/) — email parsing
-- An external script to actually deliver the prompt to Claude Code's terminal window.
+- An external script to deliver the prompt to Claude Code's terminal window.
   This tool has been tested with
   [claude-code-conduit](https://gitea.efforting.tech/mikael-lovqvists-claude-agent/claude-code-conduit)
   and a companion paste utility that targets the correct Konsole window via xdotool.
+  CCC also provides the `send-email` action used for replies.
 
 ## Configuration
 
@@ -59,6 +59,5 @@ node mail-buddy.mjs
   falls back to 45s polling)
 - The paste mechanism steals window focus on every message; a cleaner PTY-based
   approach is planned
-- No email reply capability yet — Claude can only respond in the terminal for now
 - Sender filtering is substring-based, not cryptographically verified (DKIM
   checking is planned)