Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-chat-state/src/lib.rs

@@ -0,0 +1,55 @@
+//! xai-chat-state — Actor-based chat state management for xAI agents.
+//!
+//! This crate extracts conversation state management from `xai-grok-shell`'s
+//! `acp_session.rs` into a standalone actor. It follows the same actor pattern
+//! as `xai-hunk-tracker`:
+//!
+//! ```text
+//! ┌────────────────┐                  ┌──────────────────────────────────────┐
+//! │ SessionActor   │ ─── Command ───▶ │        ChatStateActor                │
+//! │  (push_user,   │                  │  (runs in dedicated tokio task)      │
+//! │   build_req)   │                  │                                      │
+//! └────────────────┘                  │  State (no locks needed):            │
+//!                                     │  - conversation: Vec<ConversationItem>│
+//! ┌────────────────┐                  │  - sampling_config: SamplingConfig   │
+//! │   Query (e.g.  │ ── Cmd+Oneshot ─▶│  - prompt_index: usize              │
+//! │  get_conv)     │ ◀── Response ────│  - total_tokens: u64                │
+//! └────────────────┘                  │                                      │
+//!                                     │         │ ChatStateEvent             │
+//!                                     │         ▼                            │
+//!                                     │  ┌──────────────────┐               │
+//!                                     │  │ event_tx         │───▶ Session   │
+//!                                     │  └──────────────────┘               │
+//!                                     └──────────────────────────────────────┘
+//! ```
+
+pub mod actor;
+pub mod commands;
+pub mod compaction_mode;
+pub mod compaction_transcript;
+pub mod compaction_utils;
+pub mod conversation_util;
+pub mod events;
+pub mod handle;
+pub mod persistence;
+pub mod types;
+pub mod usage;
+
+// Re-export main types for convenience
+pub use actor::ChatStateActor;
+pub use actor::state::{
+    estimate_conversation_tokens, estimate_item_tokens, estimate_messages_tokens,
+    estimate_system_message_tokens, estimate_tool_definition_tokens,
+    estimate_tool_definitions_tokens,
+};
+pub use commands::ModelMetadata;
+pub use compaction_mode::CompactionMode;
+pub use compaction_transcript::CompactionDetail;
+pub use events::ChatStateEvent;
+pub use handle::ChatStateHandle;
+pub use persistence::{
+    ChatPersistence, MockChatPersistence, MockPersistenceReceiver, NullChatPersistence,
+    PersistenceRecord,
+};
+pub use types::*;
+pub use usage::{UsageLedger, UsageTotals};