{
  "revision": 1,
  "reviewed": "2026-10-17",
  "milestones": [
    {
      "phase": "Released · 0.2.11",
      "title": "Rotor modal demonstration",
      "body": "A bounded experimental serial route for rigid disk gyroscopic modal analysis, limited mode tracking, and Campbell results. It is not a general rotor framework.",
      "tone": "released",
      "icon": "CheckCircle2"
    },
    {
      "phase": "Next · 0.2.12",
      "title": "Stabilization and targeted corrections",
      "body": "Close current investigations, add focused regression coverage, and keep each capability claim matched to its validated route. Timing depends on results.",
      "tone": "next",
      "icon": "Milestone"
    },
    {
      "phase": "Planned · 0.3.0",
      "title": "Broader engineering verification",
      "body": "Expand selected engineering cases and strengthen traceable verification and validation evidence, with incomplete or failed gates kept visible.",
      "tone": "planned",
      "icon": "ShieldCheck"
    },
    {
      "phase": "Target · V1.0",
      "title": "A dependable open engineering core",
      "body": "Build a wider, clearly bounded FEM scope with reviewable V&V evidence and carefully verified nonlinear routes. The version number does not imply blanket qualification.",
      "tone": "target",
      "icon": "GitBranch"
    },
    {
      "phase": "Horizon · V2.0",
      "title": "Advanced mechanics and data driven methods",
      "body": "Explore broader nonlinear and rotordynamic models alongside PINNs and neural operators, each assessed against classical formulations and its own evidence gates.",
      "tone": "horizon",
      "icon": "Sparkles"
    }
  ],
  "workstreams": [
    {
      "icon": "ShieldCheck",
      "label": "FEM & V&V",
      "title": "Broaden the verified core",
      "body": "Add engineering cases with declared assumptions, comparable reference results, regression checks, and visible limits for each route.",
      "gate": "Evidence gate: comparable inputs, observables, and tolerances"
    },
    {
      "icon": "Braces",
      "label": "Nonlinear mechanics",
      "title": "Extend one formulation at a time",
      "body": "Advance material, geometry, and contact routes incrementally. A new implementation stays experimental until its numerical checks and validation evidence are reviewed.",
      "gate": "Evidence gate: formulation, convergence, and route specific tests"
    },
    {
      "icon": "Orbit",
      "label": "Rotordynamics",
      "title": "Grow from bounded demonstrations",
      "body": "Use the current rigid disk modal route as a starting point for additional rotor models, mode tracking, and response workflows.",
      "gate": "Evidence gate: model assumptions and independent checks"
    },
    {
      "icon": "Sparkles",
      "label": "PINNs & neural operators",
      "title": "Evaluate data driven solvers carefully",
      "body": "Research PINNs and neural operators as complementary methods. Compare scope, error behaviour, and generalization against defined reference problems.",
      "gate": "Evidence gate: reproducible datasets and held out cases"
    }
  ],
  "nextPlan": {
    "version": "0.2.12 · planning target",
    "status": "Proposal",
    "title": "Stabilization and targeted corrections",
    "purpose": "Close current investigations, add focused regression coverage, and keep each capability claim matched to its validated route.",
    "validationGate": "List affected routes, define focused regression checks, record results, and review whether public claims match their evidence.",
    "dependencies": "Resolve the investigations relevant to the selected changes and identify the release scope before implementation.",
    "openQuestions": "Which investigations are ready to close? Which route specific checks are still missing?"
  }
}