Delete run manifest domain model

docs/internal/manifest.md

@@ -2,8 +2,8 @@
 
 ## Purpose
 
-Explain the session-progress and invocation-audit models implemented by
-`internal/manifest`. Physical manifest placement belongs in
+Explain the session-progress model implemented by `internal/manifest`. Physical
+manifest placement belongs in
 [Operations](../operations.md#local-state-layout).
 
 ## Session Manifest
@@ -143,7 +143,7 @@ establish a current immutable snapshot.
 
 `manifest.LocalStore`:
 
-- accepts only the exact supported schema version for each manifest kind;
+- accepts only the exact supported session-manifest schema version;
 - validates stage-map identity without synthesizing missing maps, records, or
   names;
 - retains only representation-preserving collection normalization;

docs/internal/overview.md

@@ -31,7 +31,7 @@ progress and artifact services resolve durable inputs and outputs.
 | Configuration | [`internal/config`](configuration.md) | Presence-aware root/import/profile composition, canonical party and family expansion, strict YAML loading, defaults, normalization, session templating, and validation. |
 | Pipeline stages | `internal/stage` | Canonical stage registry, shared stage contract, execution dependencies, and implemented stage behavior. |
 | External boundaries | `internal/adapters`, `internal/audio` | WhisperX HTTP, downstream subprocesses, notification, object storage, and S3 audio materialization behind Narratio contracts. |
-| Manifests | `internal/manifest` | Durable session progress, invocation audit state, stage transitions, validation, and atomic persistence. |
+| Manifests | `internal/manifest` | Durable session progress, stage transitions, validation, and atomic persistence. |
 | Artifacts and paths | `internal/artifacts`, `internal/pathsafe` | Artifact identities and resolution, local and remote path/key models, current-state discovery, and confined relative destinations. |
 | Previous-session cache | `internal/previouscache` | Deterministic planning and materialization requirements for configured previous-session inputs. |
 | Artifact policy | `internal/artifactpolicy` | Source and destination policy, configured artifact identity validation, and publish destination safety. |
@@ -91,8 +91,8 @@ trimmed transcript state: neither invalidates the other, while either can stale
   failure behavior, and test surfaces.
 - [Artifact Internals](artifacts.md): source identities, runtime catalog,
   resolution, previous requirements, and current-state helpers.
-- [Manifest Internals](manifest.md): session and run records, persistence, and
-  execution transitions.
+- [Manifest Internals](manifest.md): session records, persistence, and execution
+  transitions.
 - [Storage Internals](storage.md): object-store interface and S3 behavior.
 - [Workspace Internals](workspace.md): local layout, locking, and cleanup
   guardrails.

docs/roadmap/implementation.md

@@ -285,7 +285,7 @@ prematurely implementing Workstream 6 checkpoint semantics.
 
 ## Stage 4 — Delete The Run-Manifest Domain Model
 
-**Status: Pending**
+**Status: Completed**
 
 ### Goal