Interface: CallWindowRow

Which window one call to a tool that declares period forms carries (time design § 7.3) — one row per such call (two when the time ask filled it, below), filed by the inputs layer beside the call's argument rows, before the call dispatches.

`how`	Means
`filled`	the model left the period out; the turn's one window (`person`) went into form `form` exactly (`rounded`: an epoch-seconds bound or a look-back's length moved outward)
`bound`	the sent window IS the person's window `person` — named by the model's quote (`by: 'quote'`) or equal in value (`by: 'value'`)
`model-chosen`	the sent window (`asked`) differs from the person's (`person`, when one window is theirs): it ran as sent (the v1 law)
`model`	the sent window, and no window of the person's this turn
`unread`	a period argument was sent and no form reads the call back as a range
`not-filled`	the period was left out and nothing was filled (`why`) — the tool's own rule applied (`no-exact-form` is no longer filed: a window no form holds is refused, `no-form-holds`; the word is kept so an older record reads)
`refused`	refused before dispatch (`refused`: a fact the window breaks, `multi-day`, `no-form-holds`, `dst-gap` with its `argument`; no range at all when an open reading was refused in every reading) — the call did not run

asked is the half-open range the call asks for: the person's on a fill, the sent value read back otherwise — what ctx.time.asked hands the tool. A WIDENED fill (no form holds the window exactly — § 7.2) carries sent, the range the tool reads, and either differs.extra (the parts read but not asked — period-differs-from-asked) or trimmedByTool (the tool declares filtersToAsked). partlyBeyondRetention marks a window that starts before the source's oldest data and ends after it: it dispatched.

A call the time ask filled (the person confirmed or gave the window when asked what their words meant) has TWO rows: not-filled / open-reading before the ask, then filled with person.source: 'answered' when the answer is bound (arguments/ask.ts · bindAnswer). The LATEST row of a call is the window it runs with (callWindowOfCall).