Verify a PCBA BOM and proposed components before circuit or placement freeze, including exact manufacturer part numbers, pin semantics, packages, footprints, CAD and 3D models, lifecycle, live stock, MOQ, assembly class, price, and approved substitutes. Use for sourcing locks, unavailable or expensive parts, JLCPCB/LCSC matching, BOM risk, or cost-aware substitution decisions.
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Create .pcba-workflow/sourcing-lock.csv from
assets/sourcing-lock.csv. Stock and price are
time-sensitive: browse current primary manufacturer and supplier sources rather
than relying on model memory.
PASS, BLOCKED, or USER_REVIEW. A critical alternate
always requires explicit design-owner approval.scripts/validate_sourcing_lock.py with a suitable live-data age limit.Do not freeze the circuit or placement while a critical MPN, pinout, package, footprint, CAD model, lifecycle, or current availability remains unresolved. Any selected MPN/package change invalidates the circuit and all downstream artifacts. A stock/price-only refresh invalidates sourcing and order approval; it does not invalidate the circuit when the selected part is unchanged.
Report dated evidence, line and total cost, risk, substitution class, and every unresolved item. Never silently change a released BOM or website match.
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Design, audit, or correct an electronic circuit from a product brief, native schematic, netlist, block diagram, or circuit description. Use for architecture and component-function review, power and logic-domain checks, reset and boot sequencing, bus ownership, ratings, timing, protection, safe states, component suitability, circuit bugs, or layout-facing electrical constraints.
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Coordinate an evidence-gated electronic product and PCBA workflow from an idea, circuit description, schematic, netlist, PCB, BOM, or fabrication package through a reviewed order. Use for end-to-end requests, multi-stage hardware projects, workflow recovery, gate tracking, change invalidation, or deciding which specialist skill is required next.
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Operate and review a JLCPCB PCB/PCBA quote, optional physical-stencil request, or order using a frozen Gerber/drill, BOM, CPL, sourcing lock, constraints, and release manifest. Use for browser upload, board or stencil options, cost anomalies, coupons, component matching, substitutions, imported placement calibration, top/bottom preview inspection, cart preparation, or order records without silently accepting placement errors or payment.
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Audit, finish, or port PCB placement and routing using circuit intent, mechanical constraints, sourcing evidence, native DRC/connectivity, rendered views, and manufacturing feedback. Use before routing, after autorouting, before fabrication release, when adapting a proven board to another connector, enclosure, platform, or regional variant, or when reviewing layers, GND references, power distribution, decoupling, buses, controlled interfaces, RF keepouts, vias, cost-driving features, opens, or DRC findings.
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Turn an electronic product idea, behavior description, reverse-engineering note, or incomplete circuit concept into a decision-ready engineering brief and architecture. Use before schematic design or audit when functions, operating states, power, interfaces, mechanics, production quantity, cost, or measurable requirements are missing or ambiguous.
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Build and verify a vendor-neutral PCB/PCBA manufacturing release from one frozen design revision. Use when generating or auditing Gerber, drill, IPC-2581/ODB++, BOM, CPL/pick-and-place, assembly drawings, constraints, renders, DFM evidence, hashes, or release manifests, and when preventing mixed-revision fabrication or assembly uploads.
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