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Tianyi Cui 9126697d87 feat(session-persistence-sqlite): second backend validating the abstraction
Add a SQLite SessionPersistence backend (node:sqlite), a SECOND
implementation built to prove the abstract seam + the shared
runPersistenceContract suite are genuinely backend-agnostic. Each
SessionEvent maps 1:1 onto an events row (session_id, seq, type, time,
data); append is an INSERT inside a transaction asserting the
contiguous-seq contract; the mutable SessionSummary lives in the
sessions metadata row.

It satisfies the SAME contract semantics as the JSONL backend, expressed
over rows instead of file bytes:
- Lazy materialization: create() records intent in memory; no row until
  the first append (a never-appended session is absent from has()/list()
  via a materialized flag set inside the first append transaction).
- Crash-tail-on-load: load() returns events only through the last
  complete turn/end and deletes the uncommitted tail; a seq gap in the
  committed region makes the session unloadable.
- Transactional append: a mid-batch failure (a UNIQUE seq collision from
  a concurrent writer) rolls back entirely, keeping the cursor truthful.

Like the JSONL backend it is also the write-path plugin (session/event →
buffer → session/flush drain, onCreated seed/adopt/collision handling,
HMR seeding, dispose-to-quiescence). The package runs the shared
runPersistenceContract suite plus SQLite-specific tests (transaction
rollback, crash-tail cut, schema version, HMR adoption).

Docs flip every "SQLite is future/deferred" reference (ADR 0016,
architecture.md, the persistence module doc + README) to "implemented;
the contract holds both backends to identical semantics".
2026-06-15 21:45:21 +08:00
.agents/skills/dsh-code-review docs: correct the doc-sync gate claim in the code-review skill (PR1 review) 2026-06-14 23:14:46 +08:00
.claude docs: accuracy sweep, architecture restructure, two ADRs, review skill 2026-06-13 22:05:34 +08:00
.github/workflows feat(session-persistence): abstract seam + JSONL backend + wiring 2026-06-15 21:05:46 +08:00
docs feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
examples feat(session-persistence): abstract seam + JSONL backend + wiring 2026-06-15 21:05:46 +08:00
packages feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
scripts feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
vendor docs: accuracy sweep, architecture restructure, two ADRs, review skill 2026-06-13 22:05:34 +08:00
.gitignore feat(session-persistence): abstract seam + JSONL backend + wiring 2026-06-15 21:05:46 +08:00
.yarnrc.yml Set up monorepo infra: Yarn 4 workspaces, tsc -b + dumble build, vitest 2026-06-11 10:52:45 +08:00
AGENTS.md docs: sync high-authority docs with the doc-sync gate and dsh-invariants (P1-16) 2026-06-14 23:07:52 +08:00
CLAUDE.md Initialize repo with README, AGENTS.md, and CLAUDE.md symlink 2026-06-10 22:58:56 +08:00
eslint.config.mjs Replace dumble with tsdown for JS bundling 2026-06-11 22:34:43 +08:00
knip.json Add examples/coding-agent and the docs cookbook 2026-06-13 18:30:50 +08:00
lefthook.yml build: run doc-sync gates in the local pre-push hook too 2026-06-14 10:40:20 +08:00
LICENSE Initialize repo with README, AGENTS.md, and CLAUDE.md symlink 2026-06-10 22:58:56 +08:00
package.json build: run doc-sync gates in the local pre-push hook too 2026-06-14 10:40:20 +08:00
README.md docs: split README guidance by audience 2026-06-14 10:50:10 +08:00
tsconfig.base.json feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
tsconfig.build.json feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
tsconfig.json Fix CI: order steps by artifact dependency, resolve fresh-clone builds 2026-06-11 23:10:43 +08:00
tsconfig.test.json Set up monorepo infra: Yarn 4 workspaces, tsc -b + dumble build, vitest 2026-06-11 10:52:45 +08:00
tsconfig.typecheck.json feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00
tsdown.config.ts Replace dumble with tsdown for JS bundling 2026-06-11 22:34:43 +08:00
vitest.config.ts Document why vite-tsconfig-paths can't be replaced by resolve.tsconfigPaths 2026-06-11 23:24:41 +08:00
vitest.e2e.config.ts Add examples/coding-agent and the docs cookbook 2026-06-13 18:30:50 +08:00
yarn.config.cjs Add repo hygiene gates: knip, publint, yarn constraints 2026-06-11 15:04:50 +08:00
yarn.lock feat(session-persistence-sqlite): second backend validating the abstraction 2026-06-15 21:45:21 +08:00

DeepSeek Harness

Monorepo for the DeepSeek Harness group.

Projects

  • DeepSeek Code — DeepSeek's coding agent product.

Development

This monorepo is built on the Cordis framework (vendored as source under vendor/), microkernel-style: everything is a plugin.

yarn install
yarn test          # vitest
yarn demo:echo     # runnable echo-agent example (no API key needed)
yarn demo:coding   # the real DeepSeek coding agent (needs DEEPSEEK_API_KEY)

For humans, start with the development guide for local setup, hooks, environment variables, and quality gates, then read the architecture design before package work. Local context lives in packages/ and vendor/.

For agents, follow AGENTS.md.