fix(codex): create wrapper before patcher runs

Patcher uses `which codex` to find binary. After migrating
codex -> .codex-bin, wrapper must exist before Step 2 (patcher)
or patcher fails with "Codex CLI not found".

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

codex/ucodex_install.sh

@@ -124,6 +124,17 @@ else
     log "Binary installed: $OLD_VER -> $NEW_VER"
 fi
 
+# Create temporary wrapper so patcher can find codex via `which codex`
+if [ -f "$CODEX_BIN" ] && { [ ! -f "$CODEX_WRAPPER" ] || file "$CODEX_WRAPPER" | grep -q "ELF"; }; then
+    cat > "$CODEX_WRAPPER" << 'TWEOF'
+#!/usr/bin/env bash
+exec /usr/local/bin/.codex-bin "$@"
+TWEOF
+    chmod +x "$CODEX_WRAPPER"
+    hash -r 2>/dev/null || true
+    info "Temporary wrapper created"
+fi
+
 # ---- Step 2: Download and apply patches ----
 
 echo -e "\n${BOLD}Step 2: Applying config patches...${NC}"