Release 0.2.0: bump version, update changelog, add release workflow (#18)

Bump version to 0.2.0 with new features (10 AI tools, video frame
watermark analysis, MP4 SEI markers). Add GitHub Actions workflow
that auto-publishes to crates.io on minor/major version bumps.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: MatrixA

.github/workflows/release.yml

@@ -0,0 +1,79 @@
+name: Release
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Read version from Cargo.toml
+        id: version
+        run: |
+          VERSION=$(grep -m1 '^version' Cargo.toml | sed 's/.*"\(.*\)".*/\1/')
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+          echo "Detected version: $VERSION"
+
+      - name: Check if release is needed
+        id: check
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          PATCH=$(echo "$VERSION" | cut -d. -f3)
+          TAG="v$VERSION"
+
+          if [ "$PATCH" != "0" ]; then
+            echo "Patch version is $PATCH (not 0) -- skipping release."
+            echo "should_release=false" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+
+          if git rev-parse "$TAG" >/dev/null 2>&1; then
+            echo "Tag $TAG already exists -- skipping release."
+            echo "should_release=false" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+
+          echo "Will release $TAG"
+          echo "should_release=true" >> "$GITHUB_OUTPUT"
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      - name: Extract changelog for this version
+        if: steps.check.outputs.should_release == 'true'
+        id: changelog
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          awk "/^## \\[$VERSION\\]/{found=1; next} /^## \\[/{if(found) exit} found{print}" CHANGELOG.md > /tmp/release-notes.md
+          echo "Extracted changelog:"
+          cat /tmp/release-notes.md
+
+      - name: Create git tag
+        if: steps.check.outputs.should_release == 'true'
+        run: |
+          git tag "${{ steps.check.outputs.tag }}"
+          git push origin "${{ steps.check.outputs.tag }}"
+
+      - name: Create GitHub Release
+        if: steps.check.outputs.should_release == 'true'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release create "${{ steps.check.outputs.tag }}" \
+            --title "${{ steps.check.outputs.tag }}" \
+            --notes-file /tmp/release-notes.md
+
+      - uses: dtolnay/rust-toolchain@stable
+        if: steps.check.outputs.should_release == 'true'
+
+      - name: Publish to crates.io
+        if: steps.check.outputs.should_release == 'true'
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.2.0] - 2026-03-13
+
 ### Added
 
 - 10 new AI tool recognitions: Grok, Gemini, Jimeng (即梦), Luma, Hailuo (海螺), Pixverse, Genmo, Haiper, Hume, Fish Audio (51 → 61 tools)

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "aicheck"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 rust-version = "1.86"
 description = "Detect AI-generated content via provenance signals (C2PA, XMP/IPTC, EXIF)"