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refactor(session): fold the session family into packages/session/

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git mv the 12 packages from session-persistence/, session-projection/,
session-title/, and telemetry/ into one session/ group per the
regrouping RFC; merge the four group READMEs into one bilingual
triplet; rewrite the group segment in tsconfig references (intra-group
references shorten to ../<pkg>), tsconfig.base.json paths/globs,
knip.json keys, vitest include, gate scripts, and authored doc/note
citations; regenerate module graph, doc graphs, catalogs, and the
lockfile importer keys. No npm names change.

Full unit suite: 8779 passed; the 18 reported failures reproduce as
env flakes (ambient-proxy IPv6 tunneling, watched-dir inotify
timeouts under parallel load) — each passes in isolation with
NO_PROXY set, matching their known pre-existing behavior on master.
This commit is contained in:
Tianyi Cui
2026-07-30 01:52:06 +08:00
parent 645fcf5713
commit 7e445c3a67
220 changed files with 258 additions and 286 deletions
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# session/ — durable session data plane
English | [中文](README.zh.md)
The durable family around `core/session`'s live in-memory service: the persistence seam with its storage backends and checkpoint policy, the projection seam that serves whole log-derived values, log-backed titles, and outbound session telemetry. All **product** packages. `session-query/` remains a sibling group: the read/tool surface is consumed independently of persistence internals.
## Persistence
Durable session persistence, semantic checkpoint policy, and the shipped storage backends.
| Package | Role | ctx key |
|---|---|---|
| [`session-persistence/`](session-persistence/README.md) | Defines the persistence service and shared write coordination | `ctx.sessionPersistence` |
| [`session-checkpoint-policy/`](session-checkpoint-policy/README.md) | Applies semantic durability checkpoints | wraps `ctx.llm` and `ctx.tools` |
| [`session-persistence-jsonl/`](session-persistence-jsonl/README.md) | Persists sessions in JSONL files | registers on `ctx.sessionPersistence` |
| [`session-persistence-sqlite/`](session-persistence-sqlite/README.md) | Persists sessions in SQLite | registers on `ctx.sessionPersistence` |
The [session-persistence decision](../../.agents/notes/implemented/architecture/2026-06-14-session-persistence.md) records the persistence design.
## Projection
Serves current, log-derived per-session state to client carriers.
| Package | Role | ctx key |
|---|---|---|
| [`session-projection/`](session-projection/README.md) | Defines and drives session projection units | `ctx.sessionProjections` |
| [`session-projection-cache/`](session-projection-cache/README.md) | Persists and restores projection checkpoints | `ctx.sessionProjectionCache` |
## Titles
Derives durable session titles from the session log, with an optional model-backed provider.
| Package | Role | ctx key |
|---|---|---|
| [`session-title/`](session-title/README.md) | Owns title state, fallback behavior, provider registration, and refresh | `ctx.sessionTitle` |
| [`session-title-llm/`](session-title-llm/README.md) | Provides shared model-backed title generation | — |
| [`session-title-first-message-llm/`](session-title-first-message-llm/README.md) | Titles a session from its first eligible human message | registers on `ctx.sessionTitle` |
| [`session-title-all-messages-llm/`](session-title-all-messages-llm/README.md) | Titles a session from all eligible human messages | registers on `ctx.sessionTitle` |
Deployments may register one model-backed provider; the service retains a deterministic fallback when none is present.
## Telemetry
Projects session activity into outbound telemetry and delegates delivery to a configured reporting backend. The [telemetry decision](../../.agents/notes/implemented/feature/2026-07-23-session-telemetry-otel-revival.md) records the reporting boundary; the [mode decision](../../.agents/notes/implemented/feature/2026-08-05-feedback-gated-session-telemetry.md) records immediate, feedback-gated, and disabled delivery.
| Package | Role |
|---|---|
| [`session-telemetry/`](session-telemetry/README.md) | Defines capture, redaction, projection, and live or on-demand backend delivery. |
| [`session-telemetry-otel/`](session-telemetry-otel/README.md) | Delivers telemetry through OpenTelemetry logs in `FULL`, `FEEDBACK_ONLY`, or `DISABLED` mode. |