feat: auto-populate release description from CHANGELOG

- Extract changelog entry for current version when creating releases
- Parse CHANGELOG.md and add to release body in Gitea
- Falls back to 'See commit history for details.' if no changelog found
- Keeps release notes synchronized with version

scripts/publish_release.sh

@@ -15,20 +15,44 @@ API_BASE="${GITEA_API_BASE:-https://git.24unix.net/api/v1}"
 API_BASE="${API_BASE%/}"
 RELEASE_TAG="v${VERSION}"
 API_URL="${API_BASE}/repos/${GITEA_OWNER}/${GITEA_REPO}"
+CHANGELOG_FILE="$ROOT_DIR/CHANGELOG.md"
 
 if ! command -v jq >/dev/null 2>&1; then
   echo "❌ jq is required to parse Gitea responses." >&2
   exit 1
 fi
 
+# Extract changelog for this version
+extract_changelog() {
+  local version="$1"
+  local changelog_file="$2"
+
+  if [[ ! -f "$changelog_file" ]]; then
+    echo ""
+    return
+  fi
+
+  awk -v ver="## $version" '
+    /^## [0-9]/ { if (found) exit; if ($0 ~ ver) found=1; next }
+    found && /^## / { exit }
+    found { print }
+  ' "$changelog_file" | sed '1d;$d' | sed -e 's/^[[:space:]]*$//' | sed -e :a -e '/^\s*$/d;N;ba'
+}
+
+CHANGELOG_BODY="$(extract_changelog "$VERSION" "$CHANGELOG_FILE")"
+if [[ -z "$CHANGELOG_BODY" ]]; then
+  CHANGELOG_BODY="See commit history for details."
+fi
+
 PRERELEASE_FLAG="${GITEA_PRERELEASE:-true}"
 
 create_payload="$(jq -n \
   --arg tag "$RELEASE_TAG" \
   --arg name "iKeyMon ${VERSION}" \
   --arg target "$TARGET_COMMIT" \
+  --arg body "$CHANGELOG_BODY" \
   --argjson prerelease "$PRERELEASE_FLAG" \
-  '{ tag_name: $tag, name: $name, target_commitish: $target, draft: false, prerelease: $prerelease }')"
+  '{ tag_name: $tag, name: $name, target_commitish: $target, body: $body, draft: false, prerelease: $prerelease }')"
 
 response_file="$(mktemp)"
 http_code=$(curl -sS -w "%{http_code}" -o "$response_file" \