Fix Bazel build, add skills with IDE setup, launch Electron app
- Fix MODULE.bazel: align with cli-ide patterns (pip mirror, node toolchain name, rules_shell 0.6.1)
- Fix BUILD.bazel: all modules use proper rules_python/rules_shell loads
- Fix requirements: remove scapy/netifaces, regenerate lock via pip-compile
- Fix console: add pnpm onlyBuiltDependencies, fix tsconfig composite
- Fix app: shell scripts support BUILD_WORKSPACE_DIRECTORY
- Add skills: develop (build/debug guide), server (API design), web (UI design)
- Add skills/scripts/setup.py: auto-install skills to VS Code/Cursor/Claude
- Generate .github/copilot-instructions.md and .cursor/rules/ai-proxy.mdc
- Add .gitignore
- Verified: bazel build //ai-proxy:ai_proxy_server //cli:ai_proxy_cli passes
- Verified: Electron app launches successfully via bazel run //app:dev