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docs: agent-scope RFC, CONTEXT.md glossary, architecture scope section, README sync

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The agent-scope-contexts RFC (implemented) records the decision tree:
the dsh-scope primitive over cordis extend/Context.filter/no-op fibers,
two-level flat scope with shadowing, restriction/grant semantics, the
scoped-dispatch rule with fused helpers, the setup window, and the
alternatives (explicit scope params, isolate, event-filtering-only,
vendored support) with why each lost. CONTEXT.md pins the glossary.
architecture.md gains the Agent Scope section, the dsh-scope spine row,
the scoped turn-flow line, and an extension-table row (ceiling 1640→1790:
the two-layer registration model is a new architectural axis; additions
are condensed to pointers). READMEs of every touched package re-state
their scoped facts; the stale structured-runtime README section is
replaced by the scoped-registration description.
This commit is contained in:
Tianyi Cui
2026-07-09 03:01:11 +08:00
parent e7bcbb8bc6
commit cc24e79cd2
13 changed files with 90 additions and 24 deletions
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packages/core/session/README.md
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@@ -9,6 +9,7 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall
### Public API
- `ctx.sessions.create(id?: SessionId, options?: { seed?: SessionEvent[]; meta?: { cwd?: string; parentSession?: SessionId; createdAt?: number; seedLength?: number } }): Session` — Create a session. `options.seed` replays/forks an existing event log; `options.meta` attaches creation metadata (validated absolute `cwd`, `parentSession` lineage, seed boundary) as the immutable `SessionHeader`. The store fills `version`/`id` and defaults `createdAt` to now; a caller reconstructing a persisted session passes the original `createdAt` and persisted `seedLength` to preserve them. Disposed with the calling fiber.
- `ctx.sessions.flush(session: Session): Promise<void>` Dispatch the awaited `session/flush` durability checkpoint with the carrier captured at enter — THE flush entry point (the loop's turn-end checkpoint and idle injection call it; never dispatch a raw `ctx.parallel`).
- `ctx.sessions.fork(source, boundary?, childSessionId?): Session` — Resolve a live session object or id, select a seed through the inclusive `boundary` event seq (default: current last event), require that boundary to be `turn/end`, and create a live child session with lineage metadata.
- `ctx.sessions.get(id: SessionId): Session | undefined`
- `ctx.sessions.list(): Session[]`
@@ -28,7 +29,7 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall
| Event | Mode | Purpose |
|---|---|---|
| `session/created` | emit | A session was created |
| `session/event` | emit | An event was appended (sync, fire-and-forget) |
| `session/event` | emit (scope-filtered by the owning session's scope) | An event was appended (sync, fire-and-forget) |
| `session/flush` | parallel | Awaited durability checkpoint (persistence plugins drain buffers here) |
### Class: `Session`