[eric] remove vendored 9router (now fetched from npm at build), remove Copilot, and fix subs + tools

scripts/fetch-router.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# Fetch the pre-built 9router Next.js app from npm and stage it for packaging.
+# Usage: bash scripts/fetch-router.sh <dest_dir>
+
+set -euo pipefail
+
+DEST="${1:-}"
+if [[ -z "$DEST" ]]; then
+    echo "Usage: $0 <dest_dir>" >&2
+    exit 1
+fi
+
+ROUTER_VERSION="${ROUTER_VERSION:-0.3.60}"
+
+echo "Fetching 9router@${ROUTER_VERSION} from npm..."
+
+SCRATCH="$(mktemp -d)"
+trap 'rm -rf "$SCRATCH"' EXIT
+
+cd "$SCRATCH"
+printf '{"name":"_fetch","version":"0.0.0","private":true}\n' > package.json
+npm install "9router@${ROUTER_VERSION}" --no-save --no-audit --no-fund --silent --ignore-scripts
+
+SRC="$SCRATCH/node_modules/9router/app"
+if [[ ! -d "$SRC" ]]; then
+    echo "ERROR: 9router@${ROUTER_VERSION} did not install to expected layout ($SRC missing)" >&2
+    exit 1
+fi
+
+mkdir -p "$DEST"
+rsync -a --delete "$SRC/" "$DEST/"
+echo "9router staged at: $DEST"