kyber-server: prompt for manual SWBF2 path if not found via Steam

Instead of hard-failing, show an rsync example for copying game files from
another machine, then prompt for the path. Validates that starwarsbattlefrontii.exe
exists at the given location before continuing.

Also silence "register_service: command not found" in all three services when
run standalone (guard with command -v check).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01D8ckUJQtj1pH8jtAddBDZs

services/kyber-launcher.sh

@@ -30,7 +30,8 @@
 # Without the fix: bwrap: setting up uid map: Permission denied
 
 # ── Registration ──────────────────────────────────────────────────────────────
-register_service kyber-launcher gaming "Kyber Launcher — native Linux AppImage for SWBF2 (2017) multiplayer (requires discrete GPU)"
+command -v register_service &>/dev/null && \
+    register_service kyber-launcher gaming "Kyber Launcher — native Linux AppImage for SWBF2 (2017) multiplayer (requires discrete GPU)"
 
 # ── Install function ──────────────────────────────────────────────────────────
 install_kyber_launcher() {

services/kyber-server.sh

@@ -20,7 +20,8 @@
 # and set KYBER_MAP_ROTATION to a base64-encoded rotation string (use the Kyber client
 # HOST tab to build a rotation, then base64-encode it).
 # ── Registration ──────────────────────────────────────────────────────────────
-register_service kyber-server gaming "Kyber dedicated server for SWBF2 (2017) — headless, no GPU required"
+command -v register_service &>/dev/null && \
+    register_service kyber-server gaming "Kyber dedicated server for SWBF2 (2017) — headless, no GPU required"
 
 # ── Helpers ───────────────────────────────────────────────────────────────────
 
@@ -131,18 +132,26 @@ install_kyber_server() {
     SWBF2_PATH=$(_kyber_find_swbf2)
 
     if [[ -z "$SWBF2_PATH" ]]; then
+        log_warning "SWBF2 not found in standard Steam paths."
         echo ""
-        echo "  ╔══════════════════════════════════════════════════════════════╗"
-        echo "  ║  ERROR: Star Wars Battlefront II (2017) not found.          ║"
-        echo "  ║                                                              ║"
-        echo "  ║  Install it first:                                           ║"
-        echo "  ║    1. Install Steam: https://store.steampowered.com         ║"
-        echo "  ║    2. In Steam, install SWBF2 (AppID 1237950):              ║"
-        echo "  ║         steam://install/1237950                              ║"
-        echo "  ║    3. Re-run this installer once the download completes.     ║"
-        echo "  ╚══════════════════════════════════════════════════════════════╝"
+        echo "  The dedicated server mounts the game files read-only — no Steam or EA"
+        echo "  authentication needed at runtime. You can copy the game folder from"
+        echo "  another machine that has SWBF2 installed:"
         echo ""
-        return 1
+        echo "    rsync -av --progress \\"
+        echo "      '/path/to/STAR WARS Battlefront II/' \\"
+        echo "      user@thisserver:/home/user/swbf2/"
+        echo ""
+        prompt_text "Enter the full path to the SWBF2 game folder (or leave blank to abort):" "" SWBF2_PATH
+        if [[ -z "$SWBF2_PATH" ]]; then
+            log_error "No path provided — cannot continue without game files."
+            return 1
+        fi
+        if [[ ! -f "$SWBF2_PATH/starwarsbattlefrontii.exe" ]]; then
+            log_error "starwarsbattlefrontii.exe not found in: $SWBF2_PATH"
+            log_error "Make sure you pointed to the root of the SWBF2 install folder."
+            return 1
+        fi
     fi
     log_success "Found SWBF2 at: $SWBF2_PATH"
 

services/sunshine.sh

@@ -31,7 +31,8 @@
 # Moonlight shows it as a launchable app. The Kyber AppImage must already
 # be installed (run setup-kyber-linux.sh first).
 # ── Registration ──────────────────────────────────────────────────────────
-register_service sunshine homelab "Sunshine game streaming host for Moonlight clients (coexists with Wolf on offset ports)"
+command -v register_service &>/dev/null && \
+    register_service sunshine homelab "Sunshine game streaming host for Moonlight clients (coexists with Wolf on offset ports)"
 
 # ── Install function ──────────────────────────────────────────────────────
 install_sunshine() {