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Merge remote-tracking branch 'origin/master' into codex/simp-prune-tools-prompt-surface

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# Conflicts:
#	docs/rfc/implemented/architecture/2026-06-18-session-surface.md
#	packages/core/session/src/surface.ts
#	packages/core/session/tests/surface.spec.ts
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Tianyi Cui
2026-07-14 23:45:25 +08:00
parent 32ed403500 174619929d
commit 73b34e5c4d
109 changed files with 3863 additions and 289 deletions
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docs/rfc/implemented/architecture/2026-06-18-session-surface.md
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@@ -31,7 +31,7 @@ export type SurfaceOp =
### SurfaceManager: delta-based, not full rebuild
A `SurfaceManager` owned by `Session` maintains the cached linked list. It tracks `_lastProcessedSeq` and processes only the **delta** (new events since the last access) rather than rescanning the entire log. The seed is fixed before the manager is created and the log is append-only afterward, so prior events never change and no invalidation path is needed.
A `SurfaceManager` class (private to `Session`) maintains the cached linked list. It tracks `_lastProcessedSeq` and processes only the **delta** (new events since the last access) rather than rescanning the entire log. Because the log is append-only, prior events never change; a seeded log is simply the initial delta folded on first access.
Delta processing is O(1) when no new events and O(new events) when new events arrive.