Move CI scripts scripts/ -> ci/ (scripts/ è in gitignore)

ci/verify-version.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env sh
+# Verify that a Skald Circle release version has not been built yet.
+#
+# Intended as a required Gitea Actions status check on PRs to the `release`
+# branch. Runs in the repo root after checkout.
+#
+# Usage:
+#   ./scripts/verify-version.sh \
+#       --builds-dir /var/www/builds.skaldagent.net
+#
+# Exit codes:
+#   0  → version is new (or builds-dir doesn't exist yet) → PR may proceed
+#   1  → version already built → PR should fail
+#
+# Reads the version from Cargo.toml in the current directory.
+
+set -eu
+
+# ── Parse args ────────────────────────────────────────────────────────────────
+BUILDS_DIR=""
+
+while [ $# -gt 0 ]; do
+    case "$1" in
+        --builds-dir) BUILDS_DIR="$2"; shift 2 ;;
+        *) echo "[verify-version] Unknown option: $1" >&2; exit 1 ;;
+    esac
+done
+
+if [ -z "$BUILDS_DIR" ]; then
+    echo "[verify-version] Missing --builds-dir" >&2
+    exit 1
+fi
+
+# ── Read version from Cargo.toml ──────────────────────────────────────────────
+# This is the workspace root's Cargo.toml.
+VERSION="$(grep '^version ' Cargo.toml | head -1 | sed 's/version *= *"\(.*\)"/\1/')"
+
+if [ -z "$VERSION" ]; then
+    echo "[verify-version] ERROR: Could not read version from Cargo.toml" >&2
+    exit 1
+fi
+
+echo "[verify-version] Version in Cargo.toml: v${VERSION}"
+
+# ── Check if already built ────────────────────────────────────────────────────
+RELEASE_DIR="${BUILDS_DIR}/releases/v${VERSION}"
+
+if [ -d "$RELEASE_DIR" ]; then
+    echo "[verify-version] ❌ Release v${VERSION} already exists at:"
+    echo "[verify-version]    ${RELEASE_DIR}"
+    echo "[verify-version]    Bump the version in Cargo.toml before merging."
+    exit 1
+fi
+
+echo "[verify-version] ✅ Release v${VERSION} is new — no conflict."
+exit 0