Add ifcquery CLI tool for IFC model interrogation (#7845)

ifcquery is a new command-line tool for querying and inspecting IFC models. All output is JSON.

Subcommands:

    summary — schema version, entity counts, project metadata
    tree — full spatial hierarchy (Project → Site → Building → Storeys → Spaces → Elements)
    info <id> — deep inspection of any entity by step ID (attributes, psets, placement matrix, type, material)
    select <query> — filter elements using ifcopenshell selector syntax
    relations <id> — relationships for an element; --traverse up walks to IfcProject
    clash <id> — geometric intersection and clearance detection
    validate — schema/constraint validation; --rules adds EXPRESS checks
    schedule — work schedules with nested task trees
    cost — cost schedules with nested cost item trees
    schema <class> — IFC class documentation from the model's schema version
    plot — SVG plan drawing
    render — 3D geometry rendering
    contexts — geometric representation contexts
    materials — material assignments

Usage:

python3 -m ifcquery <file.ifc> <subcommand> [args]

Generated with the assistance of an AI coding tool.

src/ifcquery/tests/__init__.py

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+# This file was generated with the assistance of an AI coding tool.