New Mod endpoints:
- POST /api/action/build_pipe: build gas/liquid pipe path (x1,y1)->(x2,y2) with bridge option
- POST /api/action/build_wire: build wire path with types: regular, heavy, conductive, heavy_conductive
New Python tool: tools/oni_commander.py
High-level commands that combine multiple low-level API calls:
- diagnose: full diagnostic (power, CO2, temp, diseases, pipes)
- fix_co2: auto-detect CO2 pockets and dig vent shafts
- fix_overload: detect overloaded circuits with fix suggestions
- emergency_o2: auto-check O2 and build OxygenDiffuser/Electrolyzer
- expand_base: dig + build walls/floors in one command (one-click room expansion)
- build_pipe_line: simplified CLI for pipe path building
- build_wire_line: simplified CLI for wire path building
All high-level commands auto-pause/resume the game.
CLI: build_pipe_line, build_wire_line added to oni_api.py
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