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fix(agent-presets): bound the mount registry on a host that never reads it

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Records are pruned by observation rather than by a disposal hook, for the
reason the module already states: three different owners can tear a
subtree down, and a cleared `uid` is what they share. That leaves the
pruning to whoever reads — and the only production reader is the
invariant companion, whose package is a development composition a
shipped host never loads.

So a live host pruned nothing: every session ever composed left a record
retaining its whole disposed subtree, since the fiber holds its config
and that config is the key its EntryTree is stored under.

Prune on the mount path too. Every session takes it, which bounds the
set at one generation of dead records instead of one per session.
This commit is contained in:
Yichen Jiang
2026-08-06 11:05:01 +08:00
parent 18fe174897
commit 065257addb
11 changed files with 63 additions and 37 deletions
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docs/capability-seams.md
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@@ -373,7 +373,7 @@ flowchart LR
| `ctx.tools` | `core` | [`tools`](../packages/core/tools) | - | [`agent-loop`](../packages/core/agent-loop), [`tool-ask-user`](../packages/ui/tool-ask-user), [`tool-bash`](../packages/bash/tool-bash), [`tool-cordis`](../packages/cordis/tool-cordis), [`tool-fs`](../packages/fs/tool-fs), [`tool-pty`](../packages/pty/tool-pty), [`tool-skill`](../packages/skill/tool-skill), [`tool-subagent`](../packages/subagent/tool-subagent), [`tool-todo`](../packages/todo/tool-todo), [`tool-web`](../packages/web/tool-web) | - | Registers capabilities, owns Code Mode transport, and routes calls through pre-policy, monotonic guards, around dispatch, post-policy, and final-result observation. |
| `ctx.userInteraction` | `seam` | [`user-interaction`](../packages/ui/user-interaction) | - | [`tool-ask-user`](../packages/ui/tool-ask-user) | - | UI front doors provide the active human-answer provider; tool-ask-user pauses a tool call on the provider-neutral ask() promise. |
| `ctx.planMode` | `core` | [`plan-mode`](../packages/plan/plan-mode) | - | - | - | Folds logged plan/mode state, flushes user selections at turn boundaries, renders deployment-owned guidance, registers /plan, and keeps the plan-exit schema stable across transitions. |
| `ctx.agentPresets` | `core` | [`agent-presets`](../packages/preset/agent-presets) | - | - | - | Discovers profile directories over trusted and user-authored roots and mounts one profile cordis.yml under an agent scope during creation, rejecting a row that never activates or that publishes into the root service realm. |
| `ctx.agentPresets` | `core` | [`agent-presets`](../packages/preset/agent-presets) | - | - | - | Discovers preset directories over trusted and user-authored roots and mounts one preset cordis.yml under an agent scope during creation, rejecting a row that never activates or that publishes into the root service realm. |
| `ctx.commands` | `core` | [`commands`](../packages/ui/commands) | - | - | - | Plugins register direct human commands without sending invocations to the model. |
| `ctx.sessionProjections` | `core` | [`session-projection`](../packages/session-projection/session-projection) | - | [`tool-todo`](../packages/todo/tool-todo), [`session-title`](../packages/session-title/session-title), [`host-apiproxy`](../packages/host/apiproxy) | - | Domains register state-driven fold units; the eager drive keeps per-session watermark states and api-proxy serves baselines and pushes changed values. |
| `ctx.sessionProjectionCache` | `core` | [`session-projection-cache`](../packages/session-projection/session-projection-cache) | - | [`host-apiproxy`](../packages/host/apiproxy) | - | Durably checkpoints projection unit states per session (throttled + turn/end/detach mandatory points) and serves the cold-read ladder: cache row + persistence tail replay, so listings never load full logs. |