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docs: trim generated prose

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This commit is contained in:
Tianyi Cui
2026-07-12 03:36:43 +08:00
parent 3dca90261c
commit 75838e10b5
323 changed files with 2857 additions and 11833 deletions
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47
packages/core/session/src/request-header.ts
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@@ -1,14 +1,6 @@
/**
* Request-header reconstruction utilities: the pure fold/diff/apply trio over
* the `request/header` / `request/header-delta` session events. Anyone
* holding a session log reconstructs the {@link EpochHeader} any request was
* built under by folding these events in log order; the loop uses the same
* functions to decide whether a step's header changed and to encode the
* change. Deltas are an encoding optimization with a safety valve — the
* writer round-trip-verifies every delta before appending and falls back to
* a full snapshot when the encoding cannot express the change — so folding
* never needs error recovery on a well-formed log.
*
* Request-header reconstruction utilities: the pure fold/diff/apply trio over the
* `request/header` / `request/header-delta` session events.
* @module dsh-session/request-header
*/
@@ -114,13 +106,10 @@ function applyTools(prev: readonly ToolSchema[], delta: ToolsDelta): ToolSchema[
}
/**
* Field-wise equality over canonical headers — the cheap comparison the
* writer's round-trip guard runs (`applyHeaderDelta(prev, delta)` must equal
* the intended header) and the loop runs to skip logging an unchanged header.
* Tools compare per-schema IN ORDER (canonical JSON), so a pure reordering is
* correctly unequal; the session prefix compares as canonical JSON (both
* sides come from the same build path, so key order matches when the values
* do).
* Field-wise equality over canonical headers — the cheap comparison the writer's round-trip
* guard runs (`applyHeaderDelta(prev, delta)` must equal the intended header) and the loop
* runs to skip logging an unchanged header.
*
* @param a - one canonical header.
* @param b - the other.
* @returns whether config, system, tools (in order), and the session prefix all match.
@@ -139,13 +128,9 @@ function sameMessages(a: readonly Message[] | undefined, b: readonly Message[] |
}
/**
* Compute the `request/header-delta` payload between two canonical headers,
* or undefined when they are equal. The caller MUST round-trip the result
* ({@link applyHeaderDelta} on `prev` deep-equals `next`) before logging it —
* the encoding cannot express every change (a pure tool reordering) — and
* fall back to a full `request/header` snapshot when the check fails.
* The session prefix is replaced whole (small advisory content, not worth
* diffing); an empty replacement array encodes the transition to "none".
* Compute the `request/header-delta` payload between two canonical headers, or undefined when
* they are equal.
*
* @param prev - the folded header the log currently implies.
* @param next - the header the next request will actually use.
* @returns the delta payload, or undefined when nothing changed.
@@ -182,15 +167,13 @@ export function applyHeaderDelta(prev: EpochHeader, delta: HeaderDelta): EpochHe
}
/**
* Fold the header events of a log (or any prefix of one) into the
* {@link EpochHeader} in force after the last of them: each
* `request/header` snapshot replaces the state, each `request/header-delta`
* amends it. The pure, offline form of reconstruction — external tooling and
* the dev invariant both use it; the live session tracks the same fold
* incrementally.
* Fold the header events of a log (or any prefix of one) into the {@link EpochHeader} in
* force after the last of them: each `request/header` snapshot replaces the state, each
* `request/header-delta` amends it.
*
* @param events - session events in log order (non-header events are skipped).
* @param from - a previously folded state to continue from (the live session's
* incremental cursor); omit to fold from nothing.
* @param from - a previously folded state to continue from (the live session's incremental
* cursor); omit to fold from nothing.
* @returns the folded header, or undefined when no header event exists yet.
*/
export function foldRequestHeader(events: readonly SessionEvent[], from?: EpochHeader): EpochHeader | undefined {