znetsixe 472402c62d feat(mgc): rendezvous planner — same-time landing across all modes ...

Routes every dispatch through a tick-aware planner so all pumps reach
their setpoint at the same wall-clock instant t* = max(eta_i),
regardless of control strategy or per-pump reaction speed.

Architecture (src/movement/):
- machineProfile.js   – pure snapshot of a registered child (state,
                        position, velocityPctPerS, ladder timings,
                        flowAt / positionForFlow). Reads timings from
                        child.state.config.time (the actual storage
                        location — previous fallback paths silently
                        produced 0 s, collapsing every eta to ramp-only).
- moveTrajectory.js   – seconds-to-target per machine; handles
                        idle / starting / warmingup / operational / cooling.
- movementScheduler.js – t* = max eta over ALL non-noop moves. Every
                        command is delayed so its move finishes at t*.
                        Startup execsequence fires at 0; its flowmovement
                        is gated by max(ladderS, t* − rampS) so a fast
                        pump waits before ramping rather than landing
                        early. useRendezvous=false collapses to all
                        fireAtTickN=0 (legacy fire-and-forget).
- movementExecutor.js – wall-clock virtual cursor: each tick fires
                        every command whose fireAtTickN ≤ floor(elapsed/tickS).
                        tick() no longer awaits pending fireCommand
                        promises — the synchronous prologue of
                        handleInput claims the latest-wins gate, which
                        is what race-favouring relies on.

Shared dispatch path (src/specificClass.js):
- _dispatchFlowDistribution(distribution) — extracted from
  _optimalControl. Builds profiles, calls movementScheduler.plan,
  replans the executor, ticks once. Reads
  config.planner.useRendezvous (default true).
- _optimalControl computes its bestCombination and hands off.
- equalFlowControl (priorityControl mode) computes its
  flowDistribution and hands off via ctx.mgc._dispatchFlowDistribution.
  Same-time landing now applies in BOTH modes.

Editor toggle (mgc.html + src/nodeClass.js):
- New "Same-time landing" checkbox under Control Strategy.
- nodeClass.buildDomainConfig bridges uiConfig.useRendezvous →
  config.planner.useRendezvous. Default ON.

Tests:
- New: planner-convergence.integration.test.js (real-time end-to-end
  diagnostic — drives a 3-pump mixed-state dispatch and asserts both
  convergence to the demand setpoint AND same-time landing within
  one tick).
- New: planner-rendezvous.integration.test.js (schedule-shape
  assertions against real pump objects).
- New: movementScheduler.basic.test.js — includes a mixed-speed
  multi-startup case proving the fast pumps wait so all three land
  together (the regression that prompted this work).
- New: movementExecutor.basic.test.js + moveTrajectory.basic.test.js.
- Updated executor contract test: tick() must NOT await pending fires.

Commands + wiki:
- handlers.js: source/mode allow-list gate moved into a shared _gate()
  helper; every command now checks isValidActionForMode +
  isValidSourceForMode before dispatching. Status-level commands
  (set.mode, set.scaling) are allowed in every mode.
- commands.basic.test.js: coverage for the new gate behaviour.
- wiki regen: Home.md visual-first rewrite + Reference-{Architecture,
  Contracts,Examples,Limitations}.md split with _Sidebar.md index.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-17 19:43:55 +02:00

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