chore: prepare pigibrack npm package release

LICENSE

@@ -0,0 +1,25 @@
+BSD 2-Clause License
+
+Copyright (c) 2026, pigibrack contributors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -0,0 +1,50 @@
+# pigibrack
+
+Pi package providing a Guile/Scheme structural editing extension.
+
+## Features
+
+- Top-level form tools by name:
+  - `pigibrack_read_module`
+  - `pigibrack_read_form`
+  - `pigibrack_replace_form`
+  - `pigibrack_insert_form`
+  - `pigibrack_delete_form`
+- Syntax checks via Guile reader: `pigibrack_check_syntax`
+- Persistent Guile REPL sidecar eval: `pigibrack_eval_expr`
+- Macro expansion: `pigibrack_macro_expand`
+- Commands:
+  - `/pigibrack-status`
+  - `/pigibrack-repl-reset`
+
+## Install in pi
+
+```bash
+pi install npm:pigibrack
+```
+
+Or project-local:
+
+```bash
+pi install -l npm:pigibrack
+```
+
+## Manual load (this repo)
+
+Pi auto-discovers `.pi/extensions/pigibrack/index.ts` in this repository.
+
+## Package manifest
+
+This package declares:
+
+```json
+{
+  "pi": {
+    "extensions": ["./extensions/pigibrack/index.ts"]
+  }
+}
+```
+
+## License
+
+BSD-2-Clause.

extensions/pigibrack/README.md

@@ -22,16 +22,14 @@ Commands:
 
 ## How to load
 
-This extension is project-local at:
+As a package resource, this extension entrypoint is:
+
+- `extensions/pigibrack/index.ts`
+
+When developing in this repository, Pi auto-discovers the shim at:
 
 - `.pi/extensions/pigibrack/index.ts`
 
-Pi auto-discovers this path. You can also start explicitly:
-
-```bash
-pi -e ./.pi/extensions/pigibrack/index.ts
-```
-
 ## Notes
 
 - Structural operations are top-level form by **name**.

package.json

@@ -1,10 +1,36 @@
 {
+  "name": "pigibrack",
+  "version": "0.1.0",
+  "description": "Pi extension package for structural Scheme/Guile editing with a persistent REPL sidecar",
+  "license": "BSD-2-Clause",
+  "keywords": [
+    "pi-package",
+    "pi-extension",
+    "scheme",
+    "guile",
+    "lisp"
+  ],
+  "files": [
+    "extensions/pigibrack/**",
+    "README.md",
+    "LICENSE"
+  ],
+  "pi": {
+    "extensions": [
+      "./extensions/pigibrack/index.ts"
+    ]
+  },
+  "peerDependencies": {
+    "@mariozechner/pi-ai": "*",
+    "@mariozechner/pi-coding-agent": "*"
+  },
   "devDependencies": {
     "@mariozechner/pi-coding-agent": "^0.65.0"
   },
   "scripts": {
     "typecheck": "tsc --noEmit",
     "format": "prettier . --write",
-    "format:check": "prettier . --check"
+    "format:check": "prettier . --check",
+    "pack:dry-run": "npm pack --dry-run"
   }
 }