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Merge remote-tracking branch 'origin/master' into codex/trim-ai-prose

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# Conflicts:
#	docs/config-catalog.md
#	docs/cordis-catalog/services.md
#	docs/rfc/proposed/feature/2026-07-08-interactive-side-sessions.md
#	docs/rfc/proposed/simplification/2026-06-20-unify-agent-and-session-id.md
#	examples/coding-agent/tests/keyless-smoke.e2e.ts
#	packages/ui/acp/src/index.ts
This commit is contained in:
Tianyi Cui
2026-07-13 23:44:44 +08:00
parent 148046b9c8 62eba83f4f
commit 20402b637c
22 changed files with 153 additions and 103 deletions
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21
packages/compact/compact/src/index.ts
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@@ -26,9 +26,10 @@ declare module 'cordis' {
}
/**
* Abstract compaction service. Subclass implement the two abstract methods, and load the
* subclass as a plugin — it registers as `ctx.compact` (one implementation per context;
* loading a second throws, which is cordis' standard duplicate-service behavior).
* Abstract compaction service. Implementations own token estimation, retention,
* and summarization, but a successful run must replace the selected surface span
* with one summary node and prevent concurrent compaction of the same session.
* Load one implementation per context as `ctx.compact`.
*/
export abstract class CompactService extends Service {
constructor(ctx: Context) {
@@ -37,12 +38,17 @@ export abstract class CompactService extends Service {
/**
* Check token pressure and compact if the conversation is too large.
* Estimate the next request, including its session prefix, derived history,
* and system prompt. Above threshold, compact a head-anchored range ending at
* a balanced tool boundary and reconsolidate any prior automatic checkpoint.
* Return `null` when no compaction is needed or an open tail leaves no safe
* cutoff. A single oversized retained unit or prefix cannot be repaired here.
*
* @param agent - agent context owning the session surface and model options.
* @param fullSystemPrompt - assembled system prompt, counted toward the estimate.
* @param sessionPrefix - the instance's composed session prefix, counted toward the
* estimate.
* @param signal - cancellation signal.
* @param signal - cancellation signal; model-backed implementations must forward it.
* @returns the compaction result, or `null` if no compaction was needed.
*/
abstract compactIfNeeded(
@@ -54,13 +60,18 @@ export abstract class CompactService extends Service {
/**
* Forcibly compact a range of surface nodes into a single summary node.
* `start` and `end` name an inclusive span by surface position, not numeric seq
* order; replacements can make visible seqs non-monotonic. Both edges must be
* balanced so assistant tool calls remain paired with their results. A model-
* backed implementation forwards cancellation and rejects active, missing,
* reversed, or unbalanced ranges.
*
* @param session - session to mutate.
* @param start - first surface seq, inclusive.
* @param end - last surface seq, inclusive.
* @param agent - summarizer context.
* @param signal - optional cancellation; model-backed implementations must forward it.
* @throws when compaction is active or the range is invalid or unbalanced.
* @throws when compaction is active or the range is missing, reversed, or unbalanced.
* @returns the replaced range and summary.
*/
abstract compactRegion(