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Share immutable prepared execution metadata

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Eric Rakestraw
2026-11-05 20:11:26 +00:00
parent c5f3de13f3
commit f5c900cb0a
6 changed files with 36 additions and 120 deletions
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docs/internal/runner.md
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@@ -142,11 +142,10 @@ one execution-precedence and error-ordering implementation while allowing a
full backend pool to reject work before expensive schema, artifact, and
rendering operations. `Prepare` discards the plan after returning its public
metadata. `Run` retains the plan through initial and repaired-output validation
and discards it when the operation ends. Prepared execution transfers the
completed preparation's owned message, input-hash, and copied-schema values
into its private payload, while deep-copying mutable provider extras and
creating an independent details snapshot. Claim completion or discard clears
the execution payload without removing the details snapshot.
and discards it when the operation ends. Prepared execution retains one
immutable, redacted metadata snapshot shared by execution and internal details.
The facade detaches mutable public details. Claim completion or discard clears
execution-only payload references without modifying the retained metadata.
The root facade's `Engine.ValidateRequest` uses the same complete preparation
path as `Prepare` and discards the resulting internal prepared value without
@@ -176,7 +175,7 @@ encoding of that session, every role and content value, and cache-control
presence and values; its hexadecimal value is opaque.
The configuration snapshot is read-only after engine construction. Concurrent
`Prepare` and `Run` calls copy their resolved targets and keep all invocation
`Prepare` and `Run` calls use detached captured targets and keep invocation
state local.
## Run Flow