docs: brew install instructions (codex tap)

@@ -4,17 +4,20 @@ A command-line client for [Dots](https://dots.humdrum.one) optimized for reflex-speed logging from the terminal: paint a block, add a day note, glance at today — faster than reaching for the phone. Third client after web and iOS; rides the same API surface. Not an offline client — every command is one or two HTTP calls against the production API. If the network is down the command fails fast.
 
 ## Installation
 
-Clone this repository and install:
+Via Homebrew from the codex tap:
 
 ```bash
-go install github.com/humdrum-tiv/dots-cli/cmd/dots@latest
+brew tap humdrum/tap https://codex.humdrum.me/git/homebrew-tap.git
+brew install dots
 ```
 
-Or build directly to your PATH:
+Or build from a clone directly to your PATH:
 
 ```bash
 go build -o ~/bin/dots ./cmd/dots
 ```
+
+Releases are cut with `custard release vX.Y.Z` (tag push publishes the formula automatically).
 
 ## Commands