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fix(preset): keep the token meter host-plane and name unjoined agents

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Moving the agent plane behind presets left two readers on the wrong side of
the host/agent line.

`dsh-token-meter` was disabled on the host and mounted inside each preset's
`compaction` realm, but its three projection units register into the
process-wide `sessionProjections` table. A unit registered from one preset
answers for every session, so whether a `minimal` session showed a context
meter depended on whether some other session had mounted `standard` since
boot, and a process that only ever ran `minimal` showed none. The meter takes
no configuration, keys every fold by Session, and registers no tool or prompt
section, so it returns to the host composition and leaves the presets'
`isolate` map; the realm and `compact-basic` stay, because what a preset
chooses is whether its agent compacts, not whether its tokens are counted.

Nothing named an agent that joined no preset. The join is a scope-parent link,
and without it the tools, prompt-section, and skill views resolve the empty
global layer: the agent publishes, the turn runs, and the model receives
nothing. `AgentPresets` now logs one warning per such agent while a roster is
configured, and the invariant companion fails outright — at
`system-prompt/assemble` rather than at publication, because an unjoined agent
is legal until it addresses a model and `recompose` binds exactly such an
agent. The warning stays advisory: a synchronous `agent/created` throw vetoes
publication, and the ACP bridge, SDK server, and headless bundle all create an
unjoined agent today.

Three limits are recorded rather than fixed: projection key presence is not a
per-session capability signal, a superseded standing generation is never
reclaimed, and a `cordis_mount` temporary plugin belongs to the composition
rather than the session that mounted it.

Fixes #2203
This commit is contained in:
Yichen Jiang
2026-08-10 22:36:06 +08:00
parent cd226191a8
commit 1cfbafab6a
49 changed files with 398 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
docs/subsystems/core.i18n.yaml
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@@ -2,5 +2,5 @@
# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write docs/subsystems/core.md
core.md: ad00c4da7d77b0e1ab4728173b202ebc17fb56a0
core.zh.md: 9c606023c85369643e7148f829526b1f75ea3631
core.md: 96655026f5affda6fed080496d975e2366f0356f
core.zh.md: e2cde8845ddf6b78f64d062fd8860c0c88b7ce11

2
docs/subsystems/core.md
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@@ -546,7 +546,7 @@ async standingKeyFor(id?: string): Promise<ScopeKey>
Types: [ScopeKey](scope.md)
Source: [`packages/preset/agent-presets/src/index.ts:78`](../../packages/preset/agent-presets/src/index.ts)
Source: [`packages/preset/agent-presets/src/index.ts:80`](../../packages/preset/agent-presets/src/index.ts)
<a id="ctxagents--agentregistry"></a>

2
docs/subsystems/core.zh.md
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@@ -554,7 +554,7 @@ async standingKeyFor(id?: string): Promise<ScopeKey>
Types: [ScopeKey](scope.md)
Source: [`packages/preset/agent-presets/src/index.ts:78`](../../packages/preset/agent-presets/src/index.ts)
Source: [`packages/preset/agent-presets/src/index.ts:80`](../../packages/preset/agent-presets/src/index.ts)
<a id="ctxagents--agentregistry"></a>

4
docs/subsystems/tools.i18n.yaml
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@@ -2,5 +2,5 @@
# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write docs/subsystems/tools.md
tools.md: 6ff2d967c5631d096dd78236ffd0383ddb2b0493
tools.zh.md: 82ade5d8d4117387138296cf54fbc8e88ad335e7
tools.md: 4e56d420f9ba9541725e41e4da87846654206119
tools.zh.md: f6eee0f0f9b3c549679cc4437755c749caf68c9c

10
docs/subsystems/tools.md
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@@ -480,12 +480,14 @@ Tool registry and execution pipeline. Scoped registrations shadow globals; one v
```ts cordis-catalog
/**
* Present this agent's tools in `mode` instead of the deployment default.
* Present the calling scope's tools in `mode` instead of the deployment
* default. Nearest scope on the chain wins, so a preset's standing
* declaration covers every agent joined under it.
*
* Scoped only, and one declaration per agent: this is how an agent preset
* composes a Code Mode agent beside native ones in the same process, and a
* Scoped only, and one declaration per scope: this is how an agent preset
* composes Code Mode agents beside native ones in the same process, and a
* process-global override would be the `mode` config field instead.
* @param mode - the presentation this agent's model sees.
* @param mode - the presentation the covered agents' models see.
* @returns the exact disposer that restores the deployment default.
*/
presentAs(mode: ToolPresentationMode): () => void

10
docs/subsystems/tools.zh.md
View File

@@ -480,12 +480,14 @@ Tool registry and execution pipeline. Scoped registrations shadow globals; one v
```ts cordis-catalog
/**
* Present this agent's tools in `mode` instead of the deployment default.
* Present the calling scope's tools in `mode` instead of the deployment
* default. Nearest scope on the chain wins, so a preset's standing
* declaration covers every agent joined under it.
*
* Scoped only, and one declaration per agent: this is how an agent preset
* composes a Code Mode agent beside native ones in the same process, and a
* Scoped only, and one declaration per scope: this is how an agent preset
* composes Code Mode agents beside native ones in the same process, and a
* process-global override would be the `mode` config field instead.
* @param mode - the presentation this agent's model sees.
* @param mode - the presentation the covered agents' models see.
* @returns the exact disposer that restores the deployment default.
*/
presentAs(mode: ToolPresentationMode): () => void