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d75e8c31d1
* Restore foundry onboarding stack * Consolidate foundry rename * Create foundry tasks without prompts * Rename Foundry handoffs to tasks
36 lines
1.6 KiB
Markdown
36 lines
1.6 KiB
Markdown
# Backend Notes
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## Actor Hierarchy
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Keep the backend actor tree aligned with this shape unless we explicitly decide to change it:
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```text
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WorkspaceActor
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├─ HistoryActor(workspace-scoped global feed)
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├─ ProjectActor(repo)
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│ ├─ ProjectBranchSyncActor
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│ ├─ ProjectPrSyncActor
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│ └─ TaskActor(task)
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│ ├─ TaskSessionActor(session) × N
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│ │ └─ SessionStatusSyncActor(session) × 0..1
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│ └─ Task-local workbench state
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└─ SandboxInstanceActor(providerId, sandboxId) × N
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```
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## Ownership Rules
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- `WorkspaceActor` is the workspace coordinator and lookup/index owner.
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- `HistoryActor` is workspace-scoped. There is one workspace-level history feed.
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- `ProjectActor` is the repo coordinator and owns repo-local caches/indexes.
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- `TaskActor` is one branch. Treat `1 task = 1 branch` once branch assignment is finalized.
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- `TaskActor` can have many sessions.
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- `TaskActor` can reference many sandbox instances historically, but should have only one active sandbox/session at a time.
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- Session unread state and draft prompts are backend-owned workbench state, not frontend-local state.
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- Branch rename is a real git operation, not just metadata.
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- `SandboxInstanceActor` stays separate from `TaskActor`; tasks/sessions reference it by identity.
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- Sync actors are polling workers only. They feed parent actors and should not become the source of truth.
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## Maintenance
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- Keep this file up to date whenever actor ownership, hierarchy, or lifecycle responsibilities change.
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- If the real actor tree diverges from this document, update this document in the same change.
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