ty-mechanical-modeling

TY Mechanical Modeling

Use this only as a thin domain add-on to ty-sysplorer-modeling-rules. The parent skill owns routing, seven gates, layout timing, repair loop, and delivery evidence. Common authority: ../ty-sysplorer-modeling-rules/references/shared-standards.md owns MCP 0.4 session, tool, error and retry contracts; ../ty-sysplorer-modeling-rules/workflows/seven-gates-validation.md owns the seven gates, validation depth and Gate 6. This domain add-on supplies checks, not a second execution pipeline.

• Respect explicit choices and effective prior context. Without a selected library, the parent first checks whether the standard library meets the requirements; keep sufficient standard components and add commercial components only for evidenced gaps. A documentation or tool failure is not a functional gap. This Modelica library combination is not Modelica/Sysblock mixed modeling.
• The domain library list constrains only this skill's responsible subsystem. Preserve selected standard components and other domains in the project library set; confirm cross-domain interfaces instead of deleting them.
• Commercial-library paths, including standard/commercial combinations, use Modelica 4.0.0.TY.1. Record a conflicting project version without silently rewriting dependencies.
• Inherit requested check/translate/simulate/result/plot/animation scope; unrequested actions are not_required. Formal reports and report templates are used only when requested; ordinary delivery uses concise evidence and applicable status fields.
• Existing fault diagnosis is led by the parent's debugging route; provide domain evidence and minimal repair without restarting model construction. A failure during new construction stays in its originating workflow and returns to its failed stage after repair.
• Gate 6 applies to newly created or actually modified graphical objects, including MCP automatic layout changes. Read-only, Documentation-only, pure code without graphical objects, and tasks that do not change graphical targets use not_required; untouched inherited objects/layers are not expanded.
• Structured diagram evidence is the common basis; images supplement it when requested or useful and available. Preserve explicit image requests as pending when unavailable and never claim visual inspection from text. Visual layout defects do not block check, translation or simulation; annotation syntax/structure errors are handled by model check. Applicable Gate 6 remains required for complete graphical delivery.
• MCP 0.4 check/translate/simulate can automatically write and reload a user .mo even without reload_mo_path. Read-only diagnosis must assess that boundary before calling them, use an authorized copy when possible, or report the limitation; do not promise a write-free check or bypass dedicated tools.