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Add branded ID types: CallId, SessionId, AgentId

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Nominal string types via a unique-symbol brand (zero runtime cost):
an AgentId can no longer be passed where a CallId is expected. Each
core package brands the IDs it owns — CallId in dsh-llm (tool-call
correlation across blocks, chunks, session events, and execution
results), SessionId in dsh-session, AgentId in dsh-agent. Construction
goes through same-named factory functions; public string-in APIs
(sessions.create, agentLoop.create) keep accepting plain strings and
brand internally. Policy note in the brand module: brand IDs that
cross package boundaries, not every string.
This commit is contained in:
Tianyi Cui
2026-06-11 15:17:56 +08:00
parent 86955b96a4
commit 225ed051b1
19 changed files with 135 additions and 76 deletions
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6
examples/echo-agent/src/mock-llm.ts
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@@ -1,6 +1,6 @@
import type { Context } from 'cordis'
import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm'
import { LlmAdapter } from '@deepseek-ai/dsh-llm'
import { CallId, LlmAdapter } from '@deepseek-ai/dsh-llm'
/**
* Demo adapter for the `mock-echo` model.
@@ -30,8 +30,8 @@ class MockEchoAdapter extends LlmAdapter {
}
yield { type: 'block-end', index: 0, block: { type: 'text', text: 'Let me echo that for you.' } }
yield { type: 'block-start', index: 1, blockType: 'tool-call' }
yield { type: 'tool-call-delta', index: 1, id: 'call-echo', name: 'echo', argumentsDelta: args }
yield { type: 'block-end', index: 1, block: { type: 'tool-call', id: 'call-echo', name: 'echo', arguments: args } }
yield { type: 'tool-call-delta', index: 1, id: CallId('call-echo'), name: 'echo', argumentsDelta: args }
yield { type: 'block-end', index: 1, block: { type: 'tool-call', id: CallId('call-echo'), name: 'echo', arguments: args } }
yield { type: 'usage', usage: { inputTokens: 20, outputTokens: 10 } }
yield { type: 'finish', reason: { kind: 'tool-calls' } }
return