docs(changelog): update cliff config and regenerate changelog

merge commit filtering, deduplication, granular chore parsing, and regenerate CHANGELOG.md using git-cliff.

cliff.toml

@@ -1,4 +1,4 @@
-# git-cliff ~ default configuration file
+# git-cliff ~ configuration file
 # https://git-cliff.org/docs/configuration
 
 [changelog]
@@ -8,8 +8,7 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-Versions [3.0.0] and older use a format based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-but versions thereafter use a custom changelog format using [git-cliff](https://git-cliff.org).\n
+This changelog is automatically generated using [git-cliff](https://git-cliff.org).\n
 """
 body = """
 {% if version -%}
@@ -17,9 +16,11 @@ body = """
 {% else -%}
     ## [Unreleased]
 {% endif -%}
-{% for group, commits in commits | group_by(attribute="group") %}
+{% for group, commits in commits
+    | filter(attribute="merge_commit", value=false)
+    | group_by(attribute="group") %}
     ### {{ group | striptags | trim | upper_first }}
-    {% for commit in commits %}
+    {% for commit in commits | unique(attribute="message") %}
         - {% if commit.scope %}*{{ commit.scope }}*: {% endif %}\
             {% if commit.breaking %}[**breaking**] {% endif %}\
             {{ commit.message | upper_first }}\
@@ -38,34 +39,39 @@ footer = """
         [unreleased]: https://github.com/{{ remote.github.owner }}/{{ remote.github.repo }}\
             /compare/{{ release.previous.version }}..HEAD
     {% endif -%}
-{% endfor %}
+{% endfor -%}
 """
 trim = true
-postprocessors = [
-  # { pattern = '<REPO>', replace = "https://github.com/orhun/git-cliff" }, # replace repository URL
-]
+postprocessors = []
 
 [git]
 conventional_commits = true
 filter_unconventional = true
 split_commits = false
-commit_preprocessors = []
+commit_preprocessors = [
+  # Strip emoji (both UTF-8 and :shortcode: styles) from commit messages
+  { pattern = ' *(:\w+:|[\p{Emoji_Presentation}\p{Extended_Pictographic}]\x{FE0F}?\x{200D}?) *', replace = "" },
+  # Remove trailing PR/issue numbers like (#123) from commit messages
+  { pattern = '\((\w+\s)?#([0-9]+)\)', replace = "" },
+]
 commit_parsers = [
   { message = "^feat", group = "<!-- 0 -->Features" },
-  { message = "^fix|revert", group = "<!-- 1 -->Bug Fixes" },
-  { message = "^docs", group = "<!-- 2 -->Documentation" },
-  { message = "^style", skip = true },
-  { message = "^refactor", group = "<!-- 3 -->Changes" },
+  { message = "^fix", group = "<!-- 1 -->Bug Fixes" },
+  { message = "^revert", group = "<!-- 2 -->Reverts" },
+  { message = "^docs", group = "<!-- 3 -->Documentation" },
   { message = "^perf", group = "<!-- 4 -->Performance Improvements" },
+  { message = "^refactor", group = "<!-- 5 -->Changes" },
+  { message = "^style", skip = true },
   { message = "^test", skip = true },
-  { message = "^build", group = "<!-- 5 -->Builds" },
+  { message = "^chore\\(release\\)", skip = true },
+  { message = "^chore\\(deps.*\\)", skip = true },
+  { message = "^chore\\(pr\\)", skip = true },
+  { message = "^chore", group = "<!-- 6 -->Maintenance" },
   { message = "^ci", skip = true },
-  { message = "^chore", skip = true },
+  { message = "^build", group = "<!-- 7 -->Builds" },
+  { body = ".*security", group = "<!-- 8 -->Security" },
 ]
-protect_breaking_commits = false
-filter_commits = false
-# tag_pattern = "v[0-9].*"
-# skip_tags = ""
-# ignore_tags = ""
+protect_breaking_commits = true
+filter_commits = true
 topo_order = false
 sort_commits = "oldest"