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refactor(core): make v2 session inputs event sourced (#30785)

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Kit Langton
2026-06-04 19:24:30 -04:00
committed by GitHub
parent 057958c933
commit 76ecf2e58c
43 changed files with 4632 additions and 718 deletions
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specs/v2/schema-changelog.md
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@@ -4,6 +4,28 @@ Record V2 database, durable-event, projected-message, HTTP, and generated SDK sc
This document covers meaningful contract changes introduced on the `feat/opencode-embedded-api` branch since its divergence from `origin/dev`. Mechanical file moves and internal refactors are omitted unless they changed stored data, replay behavior, public HTTP or SDK shapes, or model-facing tool contracts.
## 2026-06-04 Event-Sourced Session Input Cutover
Affected schema:
- `session_input`, `session_message`, `event`, `event_sequence`, and disposable workspace beta storage.
- New synchronized `session.next.prompt.admitted.1` and `session.next.prompt.promoted.1` events.
- Experimental `SessionV2.prompt(...)`, HTTP, and generated SDK admission receipt.
Change:
- Replace inbox-local admission sequence with event-sourced prompt admission and promotion sequences.
- Give projected Session messages stable `msg_*` resource IDs distinct from `evt_*` creator event IDs.
- Give every event that creates a projected transcript resource an explicit `msg_*` resource ID. Assistant steps propagate one `assistantMessageID` through assistant-owned events.
- Reset incompatible unreleased beta event history, derived Session projections, workspace rows, and Session workspace links.
Compatibility:
- The reset preserves canonical V1 `session`, `message`, and `part` rows.
- Existing synchronized workspaces are disposable beta state and are removed by the reset.
- Before starting the new build, discard adapter-managed external workspace resources created by unreleased builds. The SQL migration cannot remove external resources through runtime adapters, and rediscovering retained resources after startup can replay incompatible beta history.
- Exact prompt retries reconcile one stable `msg_*` identity when Session, prompt, and delivery mode match.
## Earlier Branch History
### Replayable Session Event Refinement And Cursor Stream
@@ -60,7 +82,7 @@ Affected schema:
Change:
- Bind step settlement to an explicit `assistantMessageID`.
- Bind step settlement to an explicit assistant message ID.
Reason:
@@ -409,7 +431,7 @@ Affected schema:
Change:
- Preserve stable IDs on projected assistant text parts.
- Route durable tool projection updates through explicit owning `assistantMessageID` values rather than provider-local call IDs alone.
- Route durable tool projection updates through explicit owning assistant message IDs rather than provider-local call IDs alone.
- Replay full-value text and tool-input end checkpoints while keeping fragment deltas ephemeral.
Reason: