Add: Start adding Lisp pre-commit checks

Author: aglet

.mise.toml

@@ -1,5 +1,7 @@
 [tools]
 prek = "latest"
+# Required for elisp pre-commit checks, which are broken:
+#python = "latest"
 
 [tasks.tangle]
 description = "Tangle the org files"

.pre-commit-config.yaml

@@ -12,3 +12,12 @@ repos:
   hooks:
   - id: markdownlint-cli2
     args: ["--fix"]
+# Disabled: elisp hooks require emacs --batch which fails with tree-sitter
+# library issues. See CONTRIBUTING.md for manual elisp validation steps. They
+# also need Python, which is managed via .mise.toml
+# - repo: https://github.com/jamescherti/pre-commit-elisp
+#   rev: v1.0.5
+#   hooks:
+#   - id: elisp-check-parens
+#   - id: elisp-check-byte-compile
+#   - id: elisp-indent

CONTRIBUTING.md

@@ -10,3 +10,14 @@ Thank you for your interest; fork and raise a pull request!
 - List tasks: `mise task`
 
 [Prek](https://prek.j178.dev) manages pre-commit hooks; to install them run `prek install`. [`.editorconfig`](.editorconfig) provides hints to editors.
+
+## Validating Emacs Lisp changes
+
+MELPA requires clean byte-compilation and checkdoc validation. Run these checks before submitting:
+
+```elisp
+(byte-compile-file "sparkweather.el")
+(checkdoc-file "sparkweather.el")
+```
+
+Both must complete without warnings.