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Extract persisted history types into a dedicated crate (#37871)

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## What changed

- Add `codex-history` for model-history and persisted-rollout domain types, including `RolloutItem`, `RolloutLine`, `CompactedItem`, and initial/resumed history state.
- Re-export the persisted types from `codex-rollout` and update consumers to use the new crate boundary instead of `codex-protocol`.
- Preserve existing rollout serialization, including legacy numeric compacted-window IDs.

## Testing

- Add `codex-history` tests for rollout JSON round trips, compacted-history compatibility, persisted history modes, and multi-agent version selection.

GitOrigin-RevId: 944daa9297ddd231d3aebbdcb05fff4adf8b4e1b
This commit is contained in:
Adam Perry @ OpenAI
2026-08-10 19:26:52 +00:00
committed by copyberry
parent a1c88e865d
commit 63002bdb26
127 changed files with 791 additions and 673 deletions
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codex-rs/core/src/session/handlers.rs
+1 -1
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@@ -23,6 +23,7 @@ use crate::tasks::UserShellCommandMode;
use crate::tasks::UserShellCommandTask;
use crate::tasks::execute_user_shell_command;
use crate::user_message_admission::UserMessageAdmission;
use codex_history::RolloutItem;
use codex_protocol::error::CodexErr;
use codex_protocol::error::Result as CodexResult;
use codex_protocol::models::ContentItem;
@@ -40,7 +41,6 @@ use codex_protocol::protocol::RealtimeConversationListVoicesResponseEvent;
use codex_protocol::protocol::RealtimeVoicesList;
use codex_protocol::protocol::ReviewDecision;
use codex_protocol::protocol::ReviewRequest;
use codex_protocol::protocol::RolloutItem;
use codex_protocol::protocol::ThreadMemoryMode;
use codex_protocol::protocol::ThreadRolledBackEvent;
use codex_protocol::protocol::ThreadSettingsAppliedEvent;
codex-rs/core/src/session/mod.rs
+3 -3
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@@ -65,6 +65,7 @@ use codex_extension_api::TurnContextContributionInput;
use codex_features::FEATURES;
use codex_features::Feature;
use codex_features::unstable_features_warning_event;
use codex_history::RolloutItem;
use codex_hooks::Hooks;
use codex_hooks::HooksConfig;
use codex_login::AuthManager;
@@ -120,7 +121,6 @@ use codex_protocol::protocol::ItemStartedEvent;
use codex_protocol::protocol::MULTI_AGENT_MODE_OPEN_TAG;
use codex_protocol::protocol::MultiAgentVersion;
use codex_protocol::protocol::RawResponseItemEvent;
use codex_protocol::protocol::RolloutItem;
use codex_protocol::protocol::SessionSource;
use codex_protocol::protocol::SubAgentSource;
use codex_protocol::protocol::ThreadHistoryMode;
@@ -336,6 +336,8 @@ use codex_core_plugins::PluginCommandAttribution;
use codex_core_plugins::PluginsManager;
use codex_core_plugins::RecommendedPluginCandidatesInput;
use codex_git_utils::get_git_repo_root;
use codex_history::CompactedItem;
use codex_history::InitialHistory;
use codex_mcp::McpConfig;
use codex_mcp::effective_mcp_servers;
use codex_otel::SessionTelemetry;
@@ -354,13 +356,11 @@ use codex_protocol::openai_models::ReasoningEffort as ReasoningEffortConfig;
use codex_protocol::protocol::ApplyPatchApprovalRequestEvent;
use codex_protocol::protocol::AskForApproval;
use codex_protocol::protocol::CodexErrorInfo;
use codex_protocol::protocol::CompactedItem;
use codex_protocol::protocol::DeprecationNoticeEvent;
use codex_protocol::protocol::ErrorEvent;
use codex_protocol::protocol::Event;
use codex_protocol::protocol::EventMsg;
use codex_protocol::protocol::ExecApprovalRequestEvent;
use codex_protocol::protocol::InitialHistory;
use codex_protocol::protocol::ModelRerouteEvent;
use codex_protocol::protocol::ModelRerouteReason;
use codex_protocol::protocol::ModelVerification;
codex-rs/core/src/session/rollout_reconstruction_tests.rs
+3 -3
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@@ -2,14 +2,14 @@ use super::*;
use super::tests::build_world_state_from_turn_context;
use super::tests::make_session_and_context;
use codex_history::CompactedItem;
use codex_history::InitialHistory;
use codex_history::ResumedHistory;
use codex_protocol::AgentPath;
use codex_protocol::ThreadId;
use codex_protocol::models::ContentItem;
use codex_protocol::models::ResponseItem;
use codex_protocol::protocol::CompactedItem;
use codex_protocol::protocol::InitialHistory;
use codex_protocol::protocol::InterAgentCommunication;
use codex_protocol::protocol::ResumedHistory;
use codex_protocol::protocol::SessionContextWindow;
use codex_protocol::protocol::SessionMeta;
use codex_protocol::protocol::SessionMetaLine;
codex-rs/core/src/session/tests.rs
+4 -4
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@@ -105,6 +105,10 @@ use codex_config::permissions_toml::PermissionsToml;
use codex_execpolicy::Decision;
use codex_execpolicy::NetworkRuleProtocol;
use codex_execpolicy::Policy;
use codex_history::CompactedItem;
use codex_history::InitialHistory;
use codex_history::ResumedHistory;
use codex_history::RolloutItem;
use codex_network_proxy::NetworkProxyConfig;
use codex_otel::MetricsClient;
use codex_otel::MetricsConfig;
@@ -120,11 +124,9 @@ use codex_protocol::models::InternalChatMessageMetadataPassthrough;
use codex_protocol::models::ResponseItem;
use codex_protocol::protocol::AskForApproval;
use codex_protocol::protocol::CodexErrorInfo;
use codex_protocol::protocol::CompactedItem;
use codex_protocol::protocol::ConversationAudioParams;
use codex_protocol::protocol::CreditsSnapshot;
use codex_protocol::protocol::GranularApprovalConfig;
use codex_protocol::protocol::InitialHistory;
use codex_protocol::protocol::InterAgentCommunication;
use codex_protocol::protocol::MultiAgentVersion;
use codex_protocol::protocol::NetworkApprovalProtocol;
@@ -134,8 +136,6 @@ use codex_protocol::protocol::RealtimeAudioFrame;
use codex_protocol::protocol::RealtimeConversationListVoicesResponseEvent;
use codex_protocol::protocol::RealtimeVoice;
use codex_protocol::protocol::RealtimeVoicesList;
use codex_protocol::protocol::ResumedHistory;
use codex_protocol::protocol::RolloutItem;
use codex_protocol::protocol::SessionMeta;
use codex_protocol::protocol::SessionMetaLine;
use codex_protocol::protocol::Submission;