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feat: dsh-session-projection-cache — durable projection checkpoints and the cold-read ladder

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New package on the domain data form: one session_projcache record per
session (key → {stateVersion, observedSeq, state}), landing beside
workspace.json under the shipped json backend. Write policy: two mandatory
points (turn/end + session disposal) with count/interval throttling between
them (both Config fields required — flush cadence is a deployment choice);
every background write is fail-soft (log + stay stale, self-heal on the
next write or cold read). coldSnapshot(id) runs the read ladder — cached
rows + persistence readFrom from the registry's anchored restore floor +
registry restore + fail-soft write-back — detecting crash-repair-shrunk
logs via the one-below anchor and degrading to a single full re-read.
Mounted in apps/cli/cordis.yml (writeEveryEvents 200 / writeIntervalMs
5000).
This commit is contained in:
imccyu
2026-07-28 01:26:19 +08:00
parent fc4b573ff0
commit c330c1cd3e
12 changed files with 779 additions and 0 deletions
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apps/cli/package.json
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@@ -57,6 +57,7 @@
"@deepseek-ai/dsh-session": "workspace:^",
"@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^",
"@deepseek-ai/dsh-session-projection": "workspace:^",
"@deepseek-ai/dsh-session-projection-cache": "workspace:^",
"@deepseek-ai/dsh-session-title": "workspace:^",
"@deepseek-ai/dsh-session-title-first-message-llm": "workspace:^",
"@deepseek-ai/dsh-skill": "workspace:^",