Add all missing schematic operations identified in the gap analysis:
Inspection (P0/P2):
- list_schematic_components: enumerate all components with refs, values, pins
- list_schematic_nets: list all nets with their connections
- list_schematic_wires: list all wire geometry
- list_schematic_labels: list net labels, global labels, power flags
Editing (P0/P1):
- annotate_schematic: assign ref designators to unannotated components (R? → R1)
- move_schematic_component: reposition placed symbols
- rotate_schematic_component: rotate/mirror placed symbols
- delete_schematic_wire: remove wires by coordinates
- delete_schematic_net_label: remove labels by name/position
Export (P1):
- export_schematic_svg: schematic SVG export via kicad-cli
- export_schematic_pdf: enhanced with file path return & blackAndWhite support
Also registers list_schematic_components and annotate_schematic as
direct tools (always visible) since they're prerequisites for
reference-based workflows.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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