chore(ci): integrate git-cliff for automated changelog generation

- Add cliff.toml configuration matching current CHANGELOG.md format
- Replace awk script with npx git-cliff in release workflow
- Add `make changelog` command for one-click CHANGELOG updates
- Use git-cliff --current flag to generate release notes per version

Generated with swe-agent-bot

Co-Authored-By: swe-agent-bot <agent@swe-agent.ai>

cliff.toml

@@ -0,0 +1,72 @@
+# git-cliff configuration file
+# https://git-cliff.org/docs/configuration
+
+[changelog]
+# changelog header
+header = """
+# Changelog
+
+All notable changes to this project will be documented in this file.
+"""
+# template for the changelog body
+body = """
+{% if version %}
+## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }}
+{% else %}
+## Unreleased
+{% endif %}
+{% for group, commits in commits | group_by(attribute="group") %}
+### {{ group }}
+
+{% for commit in commits %}
+- {{ commit.message | split(pat="\n") | first }}
+{% endfor -%}
+{% endfor -%}
+"""
+# remove the leading and trailing whitespace from the template
+trim = true
+# changelog footer
+footer = """
+<!-- generated by git-cliff -->
+"""
+
+[git]
+# parse the commits based on https://www.conventionalcommits.org
+conventional_commits = true
+# filter out the commits that are not conventional
+filter_unconventional = false
+# process each line of a commit as an individual commit
+split_commits = false
+# regex for preprocessing the commit messages
+commit_preprocessors = [
+  { pattern = '\((\w+\s)?#([0-9]+)\)', replace = "([#${2}](https://github.com/cexll/myclaude/issues/${2}))" },
+]
+# regex for parsing and grouping commits
+commit_parsers = [
+  { message = "^feat", group = "🚀 Features" },
+  { message = "^fix", group = "🐛 Bug Fixes" },
+  { message = "^doc", group = "📚 Documentation" },
+  { message = "^perf", group = "⚡ Performance" },
+  { message = "^refactor", group = "🚜 Refactor" },
+  { message = "^style", group = "🎨 Styling" },
+  { message = "^test", group = "🧪 Testing" },
+  { message = "^chore\\(release\\):", skip = true },
+  { message = "^chore", group = "⚙️ Miscellaneous Tasks" },
+  { body = ".*security", group = "🛡️ Security" },
+  { message = "^revert", group = "◀️ Revert" },
+  { message = ".*", group = "💼 Other" },
+]
+# protect breaking changes from being skipped due to matching a skipping commit_parser
+protect_breaking_commits = false
+# filter out the commits that are not matched by commit parsers
+filter_commits = false
+# glob pattern for matching git tags
+tag_pattern = "v[0-9]*"
+# regex for skipping tags
+skip_tags = "v0.1.0-beta.1"
+# regex for ignoring tags
+ignore_tags = ""
+# sort the tags topologically
+topo_order = false
+# sort the commits inside sections by oldest/newest order
+sort_commits = "newest"