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refactor: unify agent and session identity

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This commit is contained in:
Tianyi Cui
2026-07-14 01:59:21 +08:00
parent 7a33ee94be
commit 709cc7200e
105 changed files with 899 additions and 948 deletions
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8
packages/util/brand/src/index.ts
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@@ -4,15 +4,15 @@
* cross-boundary id.
*
* A brand makes structurally-identical strings non-interchangeable at the type
* level: an `AgentId` cannot be passed where a `CallId` is expected, even
* level: a `SessionId` cannot be passed where a `CallId` is expected, even
* though both are plain strings at runtime. Construction goes through a per-id
* factory in the OWNING package (a plain cast inside — zero runtime cost);
* comparison, logging, and serialization all behave as ordinary strings.
*
* Policy: a package brands the ids it owns — `CallId` in dsh-llm (tool-call
* correlation), `SessionId` in dsh-session, `AgentId` in dsh-agent,
* `BashTaskId`/`OwnerToken` in dsh-bash. Branding is for ids that cross package
* boundaries and could plausibly be confused; not every string needs a brand.
* correlation), and `SessionId` in dsh-session; `BashTaskId`/`OwnerToken` live
* in dsh-bash. Branding is for ids that cross package boundaries and could
* plausibly be confused; not every string needs a brand.
* This package owns ONLY the primitive — no concrete id, no runtime code beyond
* the (erased) type — so the brand vocabulary stays dependency-free and a
* package can brand its ids without depending on an unrelated capability