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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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pnpm-lock.yaml generated
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@@ -239,6 +239,9 @@ importers:
'@deepseek-ai/dsh-session-projection':
specifier: workspace:^
version: link:../../packages/session-projection/session-projection
'@deepseek-ai/dsh-session-projection-cache':
specifier: workspace:^
version: link:../../packages/session-projection/session-projection-cache
'@deepseek-ai/dsh-session-title':
specifier: workspace:^
version: link:../../packages/session-title/session-title
@@ -3460,6 +3463,40 @@ importers:
specifier: ^4.0.0-rc.7
version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
packages/session-projection/session-projection-cache:
dependencies:
schemastery:
specifier: ^3.18.0
version: 3.18.0
zod:
specifier: ^4.4.3
version: 4.4.3
devDependencies:
'@deepseek-ai/dsh-invariants':
specifier: workspace:^
version: link:../../support/invariants
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session
'@deepseek-ai/dsh-session-persistence':
specifier: workspace:^
version: link:../../session-persistence/session-persistence
'@deepseek-ai/dsh-session-projection':
specifier: workspace:^
version: link:../session-projection
'@deepseek-ai/dsh-storage':
specifier: workspace:^
version: link:../../storage/storage
'@deepseek-ai/dsh-storage-domain':
specifier: workspace:^
version: link:../../storage/storage-domain
'@deepseek-ai/dsh-storage-json':
specifier: workspace:^
version: link:../../storage/storage-json
cordis:
specifier: ^4.0.0-rc.7
version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
packages/session-query/session-query:
devDependencies:
'@deepseek-ai/dsh-brand':