docs: add CHANGELOG.md for 0.1.0

Author: clawdeeo

CHANGELOG.md

@@ -0,0 +1,34 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.1.0] - 2026-04-26
+
+### Added
+
+- Initial release of agentskill
+- `analyze` command — run all analyzers and synthesize an `AGENTS.md` report
+- `scan` analyzer — directory tree mapping, file inventory, suggested read order
+- `measure` analyzer — exact indentation, line length percentiles, blank line distributions
+- `config` analyzer — formatter, linter, and type-checker detection with config excerpts
+- `git` analyzer — commit prefixes, branch naming, merge strategy, and signing detection
+- `graph` analyzer — internal import graph, circular dependencies, most-depended modules
+- `symbols` analyzer — symbol name extraction, naming pattern clustering, affix detection
+- `tests` analyzer — test-to-source mapping, framework detection, fixture extraction
+- Parallel analyzer execution via `ThreadPoolExecutor`
+- Pretty-printed and machine-readable JSON output modes (`--pretty`, `--json`)
+- `--out` flag to write report to a file
+- `--language` flag to override auto-detected language
+- Language-agnostic analysis engine supporting Python, JavaScript/TypeScript, Rust, Go, and others
+- Multiple output example formats: `SINGLE_LANGUAGE.md`, `MULTI_LANGUAGE.md`, `MONOREPO.md`
+- `SYSTEM.md` — behavioral spec for the synthesis step
+- `SKILL.md` — OpenClaw AgentSkill manifest
+- `AGENTS.md` — self-documented analysis rules
+- Full test suite with pytest covering all modules
+- `pyproject.toml` with `project.scripts` entry points
+- Development dependencies: `ruff`, `pytest`