From a867bbebf1715576a14100d93ac64613c3266e80 Mon Sep 17 00:00:00 2001
From: crsei <Crsei@protonmail.com>
Date: Mon, 20 Apr 2026 13:19:25 -0400
Subject: [PATCH 1/5] refactor(workspace): P0 convert to Cargo workspace (no
 code changes)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Part of #68. Closes (partial) #69.

Converts the repository root from a single-crate layout to a Cargo
workspace. No source code semantics change.

Layout
------
- Root `Cargo.toml` is now a virtual `[workspace]` manifest with
  `members = ["crates/*"]` and a single `[workspace.dependencies]`
  section holding all shared dep versions.
- The former single-crate sources move to `crates/claude-code-rs/`
  (preserving git history via `git mv`).
- `crates/claude-code-rs/Cargo.toml` references every shared dep via
  `dep = { workspace = true }`, keeping crate-local feature layering
  (optional flags, extra features) where needed.
- `build.rs` moves into the package (cargo has no notion of a
  workspace-level build script) and resolves `web-ui/` via
  `CARGO_MANIFEST_DIR` + `../..` so it keeps working from the new
  nested location.
- `rust-embed`'s `#[folder]` and the settings-schema snapshot test
  pick up the new two-level offset to the workspace root.
- `.cargo/config.toml`, `Cargo.lock`, `web-ui/`, `ui/`, `docs/`, and
  `architecture/` stay at the workspace root.

Baseline
--------
`docs/workspace-split-measurements.md` records pre-split incremental
build times (steady-state, same target-dir, rust-lld linker):

- `touch src/main.rs`           →  6.74s
- `touch src/tools/file_read.rs`→  0.42s

Per-phase rows will be appended as the split progresses.

Verification
------------
- `cargo build` (dev)       : ok, 5 warnings (same as pre-split).
- `cargo build --release`   : ok, 5 warnings (same as pre-split).
- `cargo test --bin claude-code-rs --offline -- --test-threads=1`
  : 1856 / 1857 pass. One failure — `observability::sink::tests::
  off_mode_skips_redaction` — is a pre-existing bug in `redact_value`
  (always redacts regardless of `RedactionMode::Off`); unrelated to
  this reshuffle, file was last touched in 856dc41.
  Without `--test-threads=1` up to ten additional tests flake on env
  /cwd races — also pre-existing.
- `claude-code-rs --version` and `--help` produce identical output.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 Cargo.toml                                    | 107 ++++--------
 crates/claude-code-rs/Cargo.toml              | 163 ++++++++++++++++++
 build.rs => crates/claude-code-rs/build.rs    |  49 ++++--
 .../claude-code-rs/src}/api/bedrock.rs        |   0
 .../claude-code-rs/src}/api/client/mod.rs     |   0
 .../claude-code-rs/src}/api/client/stream.rs  |   0
 .../claude-code-rs/src}/api/client/tests.rs   |   0
 .../src}/api/google_provider.rs               |   0
 {src => crates/claude-code-rs/src}/api/mod.rs |   0
 .../claude-code-rs/src}/api/model_mapping.rs  |   0
 .../claude-code-rs/src}/api/openai_compat.rs  |   0
 .../claude-code-rs/src}/api/pricing.rs        |   0
 .../claude-code-rs/src}/api/providers.rs      |   0
 .../claude-code-rs/src}/api/retry.rs          |   0
 .../claude-code-rs/src}/api/sigv4.rs          |   0
 .../src}/api/stream_provider.rs               |   0
 .../claude-code-rs/src}/api/streaming.rs      |   0
 .../claude-code-rs/src}/api/vertex.rs         |   0
 .../claude-code-rs/src}/auth/api_key.rs       |   0
 .../claude-code-rs/src}/auth/codex_cli.rs     |   0
 .../claude-code-rs/src}/auth/mod.rs           |   0
 .../claude-code-rs/src}/auth/oauth/client.rs  |   0
 .../claude-code-rs/src}/auth/oauth/config.rs  |   0
 .../claude-code-rs/src}/auth/oauth/mod.rs     |   0
 .../claude-code-rs/src}/auth/oauth/pkce.rs    |   0
 .../claude-code-rs/src}/auth/token.rs         |   0
 .../src}/bootstrap/diagnostics.rs             |   0
 .../claude-code-rs/src}/bootstrap/ids.rs      |   0
 .../claude-code-rs/src}/bootstrap/mod.rs      |   0
 .../claude-code-rs/src}/bootstrap/model.rs    |   0
 .../claude-code-rs/src}/bootstrap/signal.rs   |   0
 .../claude-code-rs/src}/bootstrap/state.rs    |   0
 .../claude-code-rs/src}/bootstrap/timing.rs   |   0
 .../claude-code-rs/src}/browser/common.rs     |   0
 .../claude-code-rs/src}/browser/detection.rs  |   0
 .../claude-code-rs/src}/browser/mcp_bridge.rs |   0
 .../claude-code-rs/src}/browser/mod.rs        |   0
 .../src}/browser/native_host.rs               |   0
 .../src}/browser/permissions.rs               |   0
 .../claude-code-rs/src}/browser/prompt.rs     |   0
 .../claude-code-rs/src}/browser/session.rs    |   0
 .../claude-code-rs/src}/browser/setup.rs      |   0
 .../claude-code-rs/src}/browser/state.rs      |   0
 .../src}/browser/tool_rendering.rs            |   0
 .../claude-code-rs/src}/browser/transport.rs  |   0
 {src => crates/claude-code-rs/src}/cli.rs     |   0
 .../claude-code-rs/src}/commands/add_dir.rs   |   0
 .../src}/commands/agents_cmd.rs               |   0
 .../claude-code-rs/src}/commands/assistant.rs |   0
 .../src}/commands/audit_export.rs             |   0
 .../claude-code-rs/src}/commands/branch.rs    |   0
 .../claude-code-rs/src}/commands/brief.rs     |   0
 .../claude-code-rs/src}/commands/channels.rs  |   0
 .../src}/commands/chrome_cmd.rs               |   0
 .../claude-code-rs/src}/commands/clear.rs     |   0
 .../claude-code-rs/src}/commands/commit.rs    |   0
 .../claude-code-rs/src}/commands/compact.rs   |   0
 .../src}/commands/config_cmd.rs               |   0
 .../claude-code-rs/src}/commands/context.rs   |   0
 .../claude-code-rs/src}/commands/copy.rs      |   0
 .../claude-code-rs/src}/commands/cost.rs      |   0
 .../src}/commands/daemon_cmd.rs               |   0
 .../claude-code-rs/src}/commands/diff.rs      |   0
 .../claude-code-rs/src}/commands/doctor.rs    |   0
 .../claude-code-rs/src}/commands/dream.rs     |   0
 .../claude-code-rs/src}/commands/effort.rs    |   0
 .../claude-code-rs/src}/commands/exit.rs      |   0
 .../claude-code-rs/src}/commands/export.rs    |   0
 .../src}/commands/extra_usage.rs              |   0
 .../claude-code-rs/src}/commands/fast.rs      |   0
 .../claude-code-rs/src}/commands/files.rs     |   0
 .../claude-code-rs/src}/commands/help.rs      |   0
 .../claude-code-rs/src}/commands/hooks_cmd.rs |   0
 .../claude-code-rs/src}/commands/init.rs      |   0
 .../claude-code-rs/src}/commands/insights.rs  |   0
 .../src}/commands/keybindings_cmd.rs          |   0
 .../claude-code-rs/src}/commands/login.rs     |   0
 .../src}/commands/login_code.rs               |   0
 .../claude-code-rs/src}/commands/logout.rs    |   0
 .../claude-code-rs/src}/commands/mcp_cmd.rs   |   0
 .../claude-code-rs/src}/commands/memory.rs    |   0
 .../claude-code-rs/src}/commands/mod.rs       |   0
 .../claude-code-rs/src}/commands/model.rs     |   0
 .../claude-code-rs/src}/commands/model_add.rs |   0
 .../claude-code-rs/src}/commands/notify.rs    |   0
 .../src}/commands/permissions_cmd.rs          |   0
 .../src}/commands/plugin_cmd.rs               |   0
 .../src}/commands/rate_limit.rs               |   0
 .../claude-code-rs/src}/commands/recap.rs     |   0
 .../claude-code-rs/src}/commands/rename.rs    |   0
 .../claude-code-rs/src}/commands/resume.rs    |   0
 .../claude-code-rs/src}/commands/review.rs    |   0
 .../claude-code-rs/src}/commands/rewind.rs    |   0
 .../src}/commands/sandbox_cmd.rs              |   0
 .../src}/commands/security_review.rs          |   0
 .../claude-code-rs/src}/commands/session.rs   |   0
 .../src}/commands/session_export.rs           |   0
 .../src}/commands/skills_cmd.rs               |   0
 .../claude-code-rs/src}/commands/sleep_cmd.rs |   0
 .../claude-code-rs/src}/commands/status.rs    |   0
 .../src}/commands/statusline_cmd.rs           |   0
 .../claude-code-rs/src}/commands/tasks_cmd.rs |   0
 .../claude-code-rs/src}/commands/team_cmd.rs  |   0
 .../src}/commands/terminal_setup.rs           |   0
 .../claude-code-rs/src}/commands/version.rs   |   0
 .../claude-code-rs/src}/commands/voice_cmd.rs |   0
 .../src}/compact/auto_compact.rs              |   0
 .../claude-code-rs/src}/compact/compaction.rs |   0
 .../claude-code-rs/src}/compact/messages.rs   |   0
 .../src}/compact/microcompact.rs              |   0
 .../claude-code-rs/src}/compact/mod.rs        |   0
 .../claude-code-rs/src}/compact/pipeline.rs   |   0
 .../claude-code-rs/src}/compact/snip.rs       |   0
 .../src}/compact/tool_result_budget.rs        |   0
 .../src}/computer_use/detection.rs            |   0
 .../src}/computer_use/input/darwin.rs         |   0
 .../src}/computer_use/input/linux.rs          |   0
 .../src}/computer_use/input/mod.rs            |   0
 .../src}/computer_use/input/win32.rs          |   0
 .../claude-code-rs/src}/computer_use/mod.rs   |   0
 .../src}/computer_use/screenshot/darwin.rs    |   0
 .../src}/computer_use/screenshot/linux.rs     |   0
 .../src}/computer_use/screenshot/mod.rs       |   0
 .../src}/computer_use/screenshot/win32.rs     |   0
 .../claude-code-rs/src}/computer_use/setup.rs |   0
 .../claude-code-rs/src}/computer_use/tools.rs |   0
 .../claude-code-rs/src}/config/claude_md.rs   |   0
 .../claude-code-rs/src}/config/constants.rs   |   0
 .../claude-code-rs/src}/config/features.rs    |   0
 .../claude-code-rs/src}/config/mod.rs         |   0
 .../claude-code-rs/src}/config/paths.rs       |   0
 .../claude-code-rs/src}/config/settings.rs    |   3 +
 .../claude-code-rs/src}/config/validation.rs  |   0
 .../claude-code-rs/src}/daemon/channels.rs    |   0
 .../claude-code-rs/src}/daemon/memory_log.rs  |   0
 .../claude-code-rs/src}/daemon/mod.rs         |   0
 .../src}/daemon/notification.rs               |   0
 .../claude-code-rs/src}/daemon/routes.rs      |   0
 .../claude-code-rs/src}/daemon/server.rs      |   0
 .../claude-code-rs/src}/daemon/sse.rs         |   0
 .../claude-code-rs/src}/daemon/state.rs       |   0
 .../src}/daemon/team_memory_proxy.rs          |   0
 .../claude-code-rs/src}/daemon/tick.rs        |   0
 .../claude-code-rs/src}/daemon/webhook.rs     |   0
 .../claude-code-rs/src}/dashboard.rs          |   0
 .../claude-code-rs/src}/engine/codex_exec.rs  |   0
 .../claude-code-rs/src}/engine/effort.rs      |   0
 .../src}/engine/input_processing.rs           |   0
 .../src}/engine/lifecycle/deps.rs             |   0
 .../src}/engine/lifecycle/helpers.rs          |   0
 .../src}/engine/lifecycle/mod.rs              |   0
 .../src}/engine/lifecycle/submit_message.rs   |   0
 .../src}/engine/lifecycle/tests.rs            |   0
 .../src}/engine/lifecycle/types.rs            |   0
 .../claude-code-rs/src}/engine/mod.rs         |   0
 .../src}/engine/output_style.rs               |   0
 .../src}/engine/prompt_sections.rs            |   0
 .../claude-code-rs/src}/engine/result.rs      |   0
 .../claude-code-rs/src}/engine/sdk_types.rs   |   0
 .../src}/engine/system_prompt.rs              |   0
 .../claude-code-rs/src}/ipc/agent_channel.rs  |   0
 .../claude-code-rs/src}/ipc/agent_events.rs   |   0
 .../claude-code-rs/src}/ipc/agent_handlers.rs |   0
 .../claude-code-rs/src}/ipc/agent_tree.rs     |   0
 .../claude-code-rs/src}/ipc/agent_types.rs    |   0
 .../claude-code-rs/src}/ipc/callbacks.rs      |   0
 .../claude-code-rs/src}/ipc/headless.rs       |   0
 .../claude-code-rs/src}/ipc/ingress.rs        |   0
 {src => crates/claude-code-rs/src}/ipc/mod.rs |   0
 .../claude-code-rs/src}/ipc/protocol/agent.rs |   0
 .../claude-code-rs/src}/ipc/protocol/base.rs  |   0
 .../claude-code-rs/src}/ipc/protocol/mod.rs   |   0
 .../src}/ipc/protocol/subsystem.rs            |   0
 .../claude-code-rs/src}/ipc/protocol/team.rs  |   0
 .../claude-code-rs/src}/ipc/query_runner.rs   |   0
 .../claude-code-rs/src}/ipc/runtime.rs        |   0
 .../claude-code-rs/src}/ipc/sdk_mapper.rs     |   0
 .../claude-code-rs/src}/ipc/sink.rs           |   0
 .../src}/ipc/subsystem_events.rs              |   0
 .../src}/ipc/subsystem_handlers.rs            |   0
 .../src}/ipc/subsystem_types.rs               |   0
 .../claude-code-rs/src}/keybindings/action.rs |   0
 .../claude-code-rs/src}/keybindings/config.rs |   0
 .../src}/keybindings/context.rs               |   0
 .../src}/keybindings/defaults.rs              |   0
 .../src}/keybindings/keystroke.rs             |   0
 .../claude-code-rs/src}/keybindings/mod.rs    |   0
 .../src}/keybindings/registry.rs              |   0
 .../claude-code-rs/src}/lsp_service/client.rs |   0
 .../src}/lsp_service/conversions/mod.rs       |   0
 .../src}/lsp_service/conversions/tests.rs     |   0
 .../claude-code-rs/src}/lsp_service/mod.rs    |   0
 .../src}/lsp_service/transport.rs             |   0
 {src => crates/claude-code-rs/src}/main.rs    |   0
 .../claude-code-rs/src}/mcp/channel.rs        |   0
 .../claude-code-rs/src}/mcp/client.rs         |   0
 .../claude-code-rs/src}/mcp/client_tests.rs   |   0
 .../claude-code-rs/src}/mcp/discovery.rs      |   0
 .../claude-code-rs/src}/mcp/manager.rs        |   0
 {src => crates/claude-code-rs/src}/mcp/mod.rs |   0
 .../claude-code-rs/src}/mcp/tools.rs          |   0
 .../claude-code-rs/src}/mcp/transport.rs      |   0
 .../src}/observability/context.rs             |   0
 .../src}/observability/event.rs               |   0
 .../claude-code-rs/src}/observability/mod.rs  |   0
 .../claude-code-rs/src}/observability/sink.rs |   0
 .../src}/permissions/bash_matcher.rs          |   0
 .../src}/permissions/dangerous.rs             |   0
 .../src}/permissions/decision.rs              |   0
 .../claude-code-rs/src}/permissions/mod.rs    |   0
 .../src}/permissions/path_validation.rs       |   0
 .../claude-code-rs/src}/permissions/rules.rs  |   0
 .../claude-code-rs/src}/plugins/loader.rs     |   0
 .../claude-code-rs/src}/plugins/manifest.rs   |   0
 .../claude-code-rs/src}/plugins/mod.rs        |   0
 .../claude-code-rs/src}/plugins/tools.rs      |   0
 .../claude-code-rs/src}/query/deps.rs         |   0
 .../claude-code-rs/src}/query/loop_helpers.rs |   0
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 .../claude-code-rs/src}/query/stop_hooks.rs   |   0
 .../claude-code-rs/src}/query/token_budget.rs |   0
 .../src}/sandbox/availability.rs              |   0
 .../claude-code-rs/src}/sandbox/errors.rs     |   0
 .../claude-code-rs/src}/sandbox/filesystem.rs |   0
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 .../claude-code-rs/src}/sandbox/mode.rs       |   0
 .../claude-code-rs/src}/sandbox/network.rs    |   0
 .../claude-code-rs/src}/sandbox/policy.rs     |   0
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 .../src}/services/langfuse/client.rs          |   0
 .../src}/services/langfuse/convert.rs         |   0
 .../src}/services/langfuse/mod.rs             |   0
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 .../claude-code-rs/src}/session/export.rs     |   0
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 450 files changed, 293 insertions(+), 94 deletions(-)
 create mode 100644 crates/claude-code-rs/Cargo.toml
 rename build.rs => crates/claude-code-rs/build.rs (63%)
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 rename {tests => crates/claude-code-rs/tests}/test_workspace.rs (100%)
 create mode 100644 docs/workspace-split-measurements.md

diff --git a/Cargo.toml b/Cargo.toml
index 61c44236..82237332 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,43 +1,17 @@
-[package]
-name = "claude-code-rs"
-version = "0.1.0"
-edition = "2021"
-description = "Claude Code CLI - Rust implementation (lite)"
+[workspace]
+resolver = "2"
+members = ["crates/*"]
 
 # ============================================================
-# Features
+# Shared dependency versions.
+# ------------------------------------------------------------
+# All member crates declare deps via `dep.workspace = true`, so
+# versions live in one place. Features remain crate-local: a
+# crate adds `features = [...]` on top of the workspace entry.
 # ============================================================
-#
-# default — minimal build: no telemetry, no embedded web assets,
-#           no image/syntect/tree-sitter pulls. Keeps `cargo build`
-#           fast and avoids heavy native deps (onig, tonic/prost).
-#
-# Opt-in:
-#   telemetry   — Langfuse + OpenTelemetry export (pulls tonic/prost).
-#   web-ui      — Embed the React SPA (rust-embed) into the binary.
-#   image       — Image decoding (png/jpeg only).
-#   syntect     — Syntax highlighting via fancy-regex (no onig C dep).
-#   tree-sitter — AST parsing.
-
-[features]
-default = []
-telemetry = [
-    "dep:tracing-opentelemetry",
-    "dep:opentelemetry",
-    "dep:opentelemetry_sdk",
-    "dep:opentelemetry-langfuse",
-]
-web-ui = ["dep:rust-embed"]
-image = ["dep:image"]
-syntect = ["dep:syntect"]
-tree-sitter = ["dep:tree-sitter"]
 
-# ============================================================
-# 核心类型 + 状态机
-# ============================================================
-
-[dependencies]
-# 异步运行时 — 按需选择 tokio 子模块，避免 `full` 带来的编译开销
+[workspace.dependencies]
+# 异步运行时
 tokio = { version = "1", default-features = false, features = [
     "rt-multi-thread",
     "macros",
@@ -80,27 +54,21 @@ lru = "0.12"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tracing-appender = "0.2"
-# Telemetry stack (Langfuse + OpenTelemetry) — optional, enable via `telemetry` feature.
-# Pulls in tonic/prost et al., which is why it is off by default.
-tracing-opentelemetry = { version = "0.32.1", optional = true }
-opentelemetry = { version = "0.31", features = ["trace"], optional = true }
-opentelemetry_sdk = { version = "0.31.0", features = ["trace", "rt-tokio", "experimental_trace_batch_span_processor_with_async_runtime"], optional = true }
-opentelemetry-langfuse = { version = "0.6.1", optional = true }
+tracing-opentelemetry = "0.32.1"
+opentelemetry = { version = "0.31", features = ["trace"] }
+opentelemetry_sdk = { version = "0.31.0", features = ["trace", "rt-tokio", "experimental_trace_batch_span_processor_with_async_runtime"] }
+opentelemetry-langfuse = "0.6.1"
 
 # LSP 协议类型
 lsp-types = "0.97"
 
-# ============================================================
-# 本地工具系统
-# ============================================================
-
 # 文件搜索 & 路径
 glob = "0.3"
 ignore = "0.4"
 walkdir = "2"
 dirs = "6"
 
-# 正则表达式
+# 正则
 regex = "1"
 
 # Git 操作
@@ -112,15 +80,12 @@ similar = "2"
 # 进程管理
 shell-words = "1"
 
-# ============================================================
 # 终端 UI
-# ============================================================
-
 ratatui = "0.29"
 crossterm = "0.28"
 
-# 语法高亮 — optional，启用 default-fancy 用 fancy-regex 代替 onig (避免 C 编译)
-syntect = { version = "5", default-features = false, features = ["default-fancy"], optional = true }
+# 语法高亮
+syntect = { version = "5", default-features = false, features = ["default-fancy"] }
 
 # 文本处理
 textwrap = "0.16"
@@ -130,7 +95,7 @@ strip-ansi-escapes = "0.2"
 # Markdown 渲染
 pulldown-cmark = "0.12"
 
-# 哈希 (审计记录完整性)
+# 哈希
 sha2 = "0.10"
 hex = "0.4"
 rand = "0.8"
@@ -142,11 +107,7 @@ url = "2"
 urlencoding = "2"
 semver = "1"
 
-# ============================================================
-# 网络 / API / 认证
-# ============================================================
-
-# 网络 — native-tls works with Clash TUN/fake-ip environments
+# 网络
 reqwest = { version = "0.12", default-features = false, features = ["json", "stream", "native-tls"] }
 tokio-tungstenite = { version = "0.26", features = ["rustls-tls-webpki-roots"] }
 eventsource-stream = "0.2"
@@ -155,47 +116,39 @@ eventsource-stream = "0.2"
 keyring = "3"
 dotenvy = "0.15.7"
 
-# 同步原语 (无 lock poisoning)
+# 同步原语
 parking_lot = "0.12"
 
-# Daemon HTTP server (KAIROS) + Web UI server
+# Daemon HTTP server
 axum = { version = "0.8", features = ["ws"] }
 tower = "0.5"
 tower-http = { version = "0.6", features = ["cors", "trace"] }
 hmac = "0.12"
 notify-rust = "4"
 
-# Web UI: embed React SPA dist/ at compile time — optional, enable via `web-ui` feature.
-rust-embed = { version = "8", optional = true }
+# Web UI
+rust-embed = "8"
 mime_guess = "2"
 
-# AST / 图像 — optional，默认不编译 (目前无使用点)
-tree-sitter = { version = "0.24", optional = true }
-image = { version = "0.25", default-features = false, features = ["png", "jpeg"], optional = true }
+# AST / 图像
+tree-sitter = "0.24"
+image = { version = "0.25", default-features = false, features = ["png", "jpeg"] }
 
-# ============================================================
-# E2E 测试
-# ============================================================
+# POSIX syscalls
+libc = "0.2"
 
-[dev-dependencies]
+# Dev / test
 assert_cmd = "2"
 predicates = "3"
 assert_fs = "1"
 tempfile = "3"
-sha2 = "0.10"
-hex = "0.4"
-serde_json = "1"
 portable-pty = "0.9"
 vt100 = "0.15"
 which = "7"
 serial_test = "3"
 
-# POSIX syscalls (Unix socket permissions, PID liveness for Chrome native host #5)
-[target.'cfg(unix)'.dependencies]
-libc = "0.2"
-
 # ============================================================
-# 构建配置 - 压缩 Windows 下 pdb 体积
+# Profiles (apply to the whole workspace)
 # ============================================================
 
 [profile.dev]
diff --git a/crates/claude-code-rs/Cargo.toml b/crates/claude-code-rs/Cargo.toml
new file mode 100644
index 00000000..3e774389
--- /dev/null
+++ b/crates/claude-code-rs/Cargo.toml
@@ -0,0 +1,163 @@
+[package]
+name = "claude-code-rs"
+version = "0.1.0"
+edition = "2021"
+description = "Claude Code CLI - Rust implementation (lite)"
+build = "build.rs"
+
+# ============================================================
+# Features
+# ============================================================
+#
+# default — minimal build: no telemetry, no embedded web assets,
+#           no image/syntect/tree-sitter pulls. Keeps `cargo build`
+#           fast and avoids heavy native deps (onig, tonic/prost).
+#
+# Opt-in:
+#   telemetry   — Langfuse + OpenTelemetry export (pulls tonic/prost).
+#   web-ui      — Embed the React SPA (rust-embed) into the binary.
+#   image       — Image decoding (png/jpeg only).
+#   syntect     — Syntax highlighting via fancy-regex (no onig C dep).
+#   tree-sitter — AST parsing.
+
+[features]
+default = []
+telemetry = [
+    "dep:tracing-opentelemetry",
+    "dep:opentelemetry",
+    "dep:opentelemetry_sdk",
+    "dep:opentelemetry-langfuse",
+]
+web-ui = ["dep:rust-embed"]
+image = ["dep:image"]
+syntect = ["dep:syntect"]
+tree-sitter = ["dep:tree-sitter"]
+
+[dependencies]
+# 异步运行时
+tokio = { workspace = true }
+futures = { workspace = true }
+async-trait = { workspace = true }
+async-stream = { workspace = true }
+tokio-stream = { workspace = true }
+tokio-util = { workspace = true }
+
+# 序列化
+serde = { workspace = true }
+serde_json = { workspace = true }
+
+# 错误处理
+anyhow = { workspace = true }
+thiserror = { workspace = true }
+
+# CLI
+clap = { workspace = true }
+
+# UUID
+uuid = { workspace = true }
+
+# 时间
+chrono = { workspace = true }
+
+# LRU
+lru = { workspace = true }
+
+# 日志
+tracing = { workspace = true }
+tracing-subscriber = { workspace = true }
+tracing-appender = { workspace = true }
+tracing-opentelemetry = { workspace = true, optional = true }
+opentelemetry = { workspace = true, optional = true }
+opentelemetry_sdk = { workspace = true, optional = true }
+opentelemetry-langfuse = { workspace = true, optional = true }
+
+# LSP
+lsp-types = { workspace = true }
+
+# 文件 & 路径
+glob = { workspace = true }
+ignore = { workspace = true }
+walkdir = { workspace = true }
+dirs = { workspace = true }
+
+# 正则
+regex = { workspace = true }
+
+# Git
+git2 = { workspace = true }
+
+# Diff
+similar = { workspace = true }
+
+# 进程
+shell-words = { workspace = true }
+
+# 终端 UI
+ratatui = { workspace = true }
+crossterm = { workspace = true }
+
+# 语法高亮
+syntect = { workspace = true, optional = true }
+
+# 文本
+textwrap = { workspace = true }
+unicode-width = { workspace = true }
+strip-ansi-escapes = { workspace = true }
+
+# Markdown
+pulldown-cmark = { workspace = true }
+
+# 哈希
+sha2 = { workspace = true }
+hex = { workspace = true }
+rand = { workspace = true }
+
+# 编码
+base64 = { workspace = true }
+bytes = { workspace = true }
+url = { workspace = true }
+urlencoding = { workspace = true }
+semver = { workspace = true }
+
+# 网络
+reqwest = { workspace = true }
+tokio-tungstenite = { workspace = true }
+eventsource-stream = { workspace = true }
+
+# 认证
+keyring = { workspace = true }
+dotenvy = { workspace = true }
+
+# 同步原语
+parking_lot = { workspace = true }
+
+# Daemon
+axum = { workspace = true }
+tower = { workspace = true }
+tower-http = { workspace = true }
+hmac = { workspace = true }
+notify-rust = { workspace = true }
+
+# Web UI embed
+rust-embed = { workspace = true, optional = true }
+mime_guess = { workspace = true }
+
+# AST / 图像
+tree-sitter = { workspace = true, optional = true }
+image = { workspace = true, optional = true }
+
+[dev-dependencies]
+assert_cmd = { workspace = true }
+predicates = { workspace = true }
+assert_fs = { workspace = true }
+tempfile = { workspace = true }
+sha2 = { workspace = true }
+hex = { workspace = true }
+serde_json = { workspace = true }
+portable-pty = { workspace = true }
+vt100 = { workspace = true }
+which = { workspace = true }
+serial_test = { workspace = true }
+
+[target.'cfg(unix)'.dependencies]
+libc = { workspace = true }
diff --git a/build.rs b/crates/claude-code-rs/build.rs
similarity index 63%
rename from build.rs
rename to crates/claude-code-rs/build.rs
index 3a89135e..497f8d51 100644
--- a/build.rs
+++ b/crates/claude-code-rs/build.rs
@@ -1,32 +1,51 @@
 //! Build script: auto-build web-ui if dist/ is missing or stale.
 //!
-//! - Checks if `web-ui/dist/index.html` exists
+//! - Checks if `<workspace-root>/web-ui/dist/index.html` exists
 //! - If missing or `FORCE_WEB_BUILD` is set, runs `npm run build`
 //! - If npm is unavailable, prints a warning (TUI still works, --web won't)
 //! - Sets cargo:rerun-if-changed so rebuilds are triggered on source changes
+//!
+//! Paths are resolved relative to the workspace root, which lives two levels
+//! above this crate's manifest directory (`<workspace>/crates/claude-code-rs`).
 
-use std::path::Path;
+use std::path::{Path, PathBuf};
 use std::process::Command;
 
+fn workspace_root() -> PathBuf {
+    // CARGO_MANIFEST_DIR = <workspace>/crates/claude-code-rs
+    let manifest_dir = std::env::var_os("CARGO_MANIFEST_DIR")
+        .expect("CARGO_MANIFEST_DIR must be set by cargo");
+    let manifest_dir = PathBuf::from(manifest_dir);
+    manifest_dir
+        .parent() // <workspace>/crates
+        .and_then(|p| p.parent()) // <workspace>
+        .map(Path::to_path_buf)
+        .expect("CARGO_MANIFEST_DIR is not nested under <workspace>/crates/")
+}
+
 fn main() {
-    let dist_index = Path::new("web-ui/dist/index.html");
+    let root = workspace_root();
+    let web_ui = root.join("web-ui");
+    let dist_index = web_ui.join("dist").join("index.html");
     let force = std::env::var("FORCE_WEB_BUILD").is_ok();
 
-    // Rerun if frontend source changes
-    println!("cargo:rerun-if-changed=web-ui/src/");
-    println!("cargo:rerun-if-changed=web-ui/package.json");
-    println!("cargo:rerun-if-changed=web-ui/index.html");
-    println!("cargo:rerun-if-changed=web-ui/vite.config.ts");
-    println!("cargo:rerun-if-changed=web-ui/tailwind.config.js");
+    // Rerun if frontend source changes.
+    for rel in [
+        "web-ui/src/",
+        "web-ui/package.json",
+        "web-ui/index.html",
+        "web-ui/vite.config.ts",
+        "web-ui/tailwind.config.js",
+    ] {
+        println!("cargo:rerun-if-changed={}", root.join(rel).display());
+    }
 
     if dist_index.exists() && !force {
-        // dist/ is fresh, nothing to do
         return;
     }
 
     println!("cargo:warning=Building web-ui frontend...");
 
-    // Check if npm is available
     let npm_cmd = if cfg!(target_os = "windows") {
         "npm.cmd"
     } else {
@@ -42,13 +61,12 @@ fn main() {
         return;
     }
 
-    // Install dependencies if node_modules is missing
-    let node_modules = Path::new("web-ui/node_modules");
+    let node_modules = web_ui.join("node_modules");
     if !node_modules.exists() {
         println!("cargo:warning=Installing web-ui dependencies...");
         let install = Command::new(npm_cmd)
             .arg("install")
-            .current_dir("web-ui")
+            .current_dir(&web_ui)
             .status();
         match install {
             Ok(s) if s.success() => {}
@@ -66,11 +84,10 @@ fn main() {
         }
     }
 
-    // Build
     println!("cargo:warning=Running npm run build...");
     let build = Command::new(npm_cmd)
         .args(["run", "build"])
-        .current_dir("web-ui")
+        .current_dir(&web_ui)
         .status();
 
     match build {
diff --git a/src/api/bedrock.rs b/crates/claude-code-rs/src/api/bedrock.rs
similarity index 100%
rename from src/api/bedrock.rs
rename to crates/claude-code-rs/src/api/bedrock.rs
diff --git a/src/api/client/mod.rs b/crates/claude-code-rs/src/api/client/mod.rs
similarity index 100%
rename from src/api/client/mod.rs
rename to crates/claude-code-rs/src/api/client/mod.rs
diff --git a/src/api/client/stream.rs b/crates/claude-code-rs/src/api/client/stream.rs
similarity index 100%
rename from src/api/client/stream.rs
rename to crates/claude-code-rs/src/api/client/stream.rs
diff --git a/src/api/client/tests.rs b/crates/claude-code-rs/src/api/client/tests.rs
similarity index 100%
rename from src/api/client/tests.rs
rename to crates/claude-code-rs/src/api/client/tests.rs
diff --git a/src/api/google_provider.rs b/crates/claude-code-rs/src/api/google_provider.rs
similarity index 100%
rename from src/api/google_provider.rs
rename to crates/claude-code-rs/src/api/google_provider.rs
diff --git a/src/api/mod.rs b/crates/claude-code-rs/src/api/mod.rs
similarity index 100%
rename from src/api/mod.rs
rename to crates/claude-code-rs/src/api/mod.rs
diff --git a/src/api/model_mapping.rs b/crates/claude-code-rs/src/api/model_mapping.rs
similarity index 100%
rename from src/api/model_mapping.rs
rename to crates/claude-code-rs/src/api/model_mapping.rs
diff --git a/src/api/openai_compat.rs b/crates/claude-code-rs/src/api/openai_compat.rs
similarity index 100%
rename from src/api/openai_compat.rs
rename to crates/claude-code-rs/src/api/openai_compat.rs
diff --git a/src/api/pricing.rs b/crates/claude-code-rs/src/api/pricing.rs
similarity index 100%
rename from src/api/pricing.rs
rename to crates/claude-code-rs/src/api/pricing.rs
diff --git a/src/api/providers.rs b/crates/claude-code-rs/src/api/providers.rs
similarity index 100%
rename from src/api/providers.rs
rename to crates/claude-code-rs/src/api/providers.rs
diff --git a/src/api/retry.rs b/crates/claude-code-rs/src/api/retry.rs
similarity index 100%
rename from src/api/retry.rs
rename to crates/claude-code-rs/src/api/retry.rs
diff --git a/src/api/sigv4.rs b/crates/claude-code-rs/src/api/sigv4.rs
similarity index 100%
rename from src/api/sigv4.rs
rename to crates/claude-code-rs/src/api/sigv4.rs
diff --git a/src/api/stream_provider.rs b/crates/claude-code-rs/src/api/stream_provider.rs
similarity index 100%
rename from src/api/stream_provider.rs
rename to crates/claude-code-rs/src/api/stream_provider.rs
diff --git a/src/api/streaming.rs b/crates/claude-code-rs/src/api/streaming.rs
similarity index 100%
rename from src/api/streaming.rs
rename to crates/claude-code-rs/src/api/streaming.rs
diff --git a/src/api/vertex.rs b/crates/claude-code-rs/src/api/vertex.rs
similarity index 100%
rename from src/api/vertex.rs
rename to crates/claude-code-rs/src/api/vertex.rs
diff --git a/src/auth/api_key.rs b/crates/claude-code-rs/src/auth/api_key.rs
similarity index 100%
rename from src/auth/api_key.rs
rename to crates/claude-code-rs/src/auth/api_key.rs
diff --git a/src/auth/codex_cli.rs b/crates/claude-code-rs/src/auth/codex_cli.rs
similarity index 100%
rename from src/auth/codex_cli.rs
rename to crates/claude-code-rs/src/auth/codex_cli.rs
diff --git a/src/auth/mod.rs b/crates/claude-code-rs/src/auth/mod.rs
similarity index 100%
rename from src/auth/mod.rs
rename to crates/claude-code-rs/src/auth/mod.rs
diff --git a/src/auth/oauth/client.rs b/crates/claude-code-rs/src/auth/oauth/client.rs
similarity index 100%
rename from src/auth/oauth/client.rs
rename to crates/claude-code-rs/src/auth/oauth/client.rs
diff --git a/src/auth/oauth/config.rs b/crates/claude-code-rs/src/auth/oauth/config.rs
similarity index 100%
rename from src/auth/oauth/config.rs
rename to crates/claude-code-rs/src/auth/oauth/config.rs
diff --git a/src/auth/oauth/mod.rs b/crates/claude-code-rs/src/auth/oauth/mod.rs
similarity index 100%
rename from src/auth/oauth/mod.rs
rename to crates/claude-code-rs/src/auth/oauth/mod.rs
diff --git a/src/auth/oauth/pkce.rs b/crates/claude-code-rs/src/auth/oauth/pkce.rs
similarity index 100%
rename from src/auth/oauth/pkce.rs
rename to crates/claude-code-rs/src/auth/oauth/pkce.rs
diff --git a/src/auth/token.rs b/crates/claude-code-rs/src/auth/token.rs
similarity index 100%
rename from src/auth/token.rs
rename to crates/claude-code-rs/src/auth/token.rs
diff --git a/src/bootstrap/diagnostics.rs b/crates/claude-code-rs/src/bootstrap/diagnostics.rs
similarity index 100%
rename from src/bootstrap/diagnostics.rs
rename to crates/claude-code-rs/src/bootstrap/diagnostics.rs
diff --git a/src/bootstrap/ids.rs b/crates/claude-code-rs/src/bootstrap/ids.rs
similarity index 100%
rename from src/bootstrap/ids.rs
rename to crates/claude-code-rs/src/bootstrap/ids.rs
diff --git a/src/bootstrap/mod.rs b/crates/claude-code-rs/src/bootstrap/mod.rs
similarity index 100%
rename from src/bootstrap/mod.rs
rename to crates/claude-code-rs/src/bootstrap/mod.rs
diff --git a/src/bootstrap/model.rs b/crates/claude-code-rs/src/bootstrap/model.rs
similarity index 100%
rename from src/bootstrap/model.rs
rename to crates/claude-code-rs/src/bootstrap/model.rs
diff --git a/src/bootstrap/signal.rs b/crates/claude-code-rs/src/bootstrap/signal.rs
similarity index 100%
rename from src/bootstrap/signal.rs
rename to crates/claude-code-rs/src/bootstrap/signal.rs
diff --git a/src/bootstrap/state.rs b/crates/claude-code-rs/src/bootstrap/state.rs
similarity index 100%
rename from src/bootstrap/state.rs
rename to crates/claude-code-rs/src/bootstrap/state.rs
diff --git a/src/bootstrap/timing.rs b/crates/claude-code-rs/src/bootstrap/timing.rs
similarity index 100%
rename from src/bootstrap/timing.rs
rename to crates/claude-code-rs/src/bootstrap/timing.rs
diff --git a/src/browser/common.rs b/crates/claude-code-rs/src/browser/common.rs
similarity index 100%
rename from src/browser/common.rs
rename to crates/claude-code-rs/src/browser/common.rs
diff --git a/src/browser/detection.rs b/crates/claude-code-rs/src/browser/detection.rs
similarity index 100%
rename from src/browser/detection.rs
rename to crates/claude-code-rs/src/browser/detection.rs
diff --git a/src/browser/mcp_bridge.rs b/crates/claude-code-rs/src/browser/mcp_bridge.rs
similarity index 100%
rename from src/browser/mcp_bridge.rs
rename to crates/claude-code-rs/src/browser/mcp_bridge.rs
diff --git a/src/browser/mod.rs b/crates/claude-code-rs/src/browser/mod.rs
similarity index 100%
rename from src/browser/mod.rs
rename to crates/claude-code-rs/src/browser/mod.rs
diff --git a/src/browser/native_host.rs b/crates/claude-code-rs/src/browser/native_host.rs
similarity index 100%
rename from src/browser/native_host.rs
rename to crates/claude-code-rs/src/browser/native_host.rs
diff --git a/src/browser/permissions.rs b/crates/claude-code-rs/src/browser/permissions.rs
similarity index 100%
rename from src/browser/permissions.rs
rename to crates/claude-code-rs/src/browser/permissions.rs
diff --git a/src/browser/prompt.rs b/crates/claude-code-rs/src/browser/prompt.rs
similarity index 100%
rename from src/browser/prompt.rs
rename to crates/claude-code-rs/src/browser/prompt.rs
diff --git a/src/browser/session.rs b/crates/claude-code-rs/src/browser/session.rs
similarity index 100%
rename from src/browser/session.rs
rename to crates/claude-code-rs/src/browser/session.rs
diff --git a/src/browser/setup.rs b/crates/claude-code-rs/src/browser/setup.rs
similarity index 100%
rename from src/browser/setup.rs
rename to crates/claude-code-rs/src/browser/setup.rs
diff --git a/src/browser/state.rs b/crates/claude-code-rs/src/browser/state.rs
similarity index 100%
rename from src/browser/state.rs
rename to crates/claude-code-rs/src/browser/state.rs
diff --git a/src/browser/tool_rendering.rs b/crates/claude-code-rs/src/browser/tool_rendering.rs
similarity index 100%
rename from src/browser/tool_rendering.rs
rename to crates/claude-code-rs/src/browser/tool_rendering.rs
diff --git a/src/browser/transport.rs b/crates/claude-code-rs/src/browser/transport.rs
similarity index 100%
rename from src/browser/transport.rs
rename to crates/claude-code-rs/src/browser/transport.rs
diff --git a/src/cli.rs b/crates/claude-code-rs/src/cli.rs
similarity index 100%
rename from src/cli.rs
rename to crates/claude-code-rs/src/cli.rs
diff --git a/src/commands/add_dir.rs b/crates/claude-code-rs/src/commands/add_dir.rs
similarity index 100%
rename from src/commands/add_dir.rs
rename to crates/claude-code-rs/src/commands/add_dir.rs
diff --git a/src/commands/agents_cmd.rs b/crates/claude-code-rs/src/commands/agents_cmd.rs
similarity index 100%
rename from src/commands/agents_cmd.rs
rename to crates/claude-code-rs/src/commands/agents_cmd.rs
diff --git a/src/commands/assistant.rs b/crates/claude-code-rs/src/commands/assistant.rs
similarity index 100%
rename from src/commands/assistant.rs
rename to crates/claude-code-rs/src/commands/assistant.rs
diff --git a/src/commands/audit_export.rs b/crates/claude-code-rs/src/commands/audit_export.rs
similarity index 100%
rename from src/commands/audit_export.rs
rename to crates/claude-code-rs/src/commands/audit_export.rs
diff --git a/src/commands/branch.rs b/crates/claude-code-rs/src/commands/branch.rs
similarity index 100%
rename from src/commands/branch.rs
rename to crates/claude-code-rs/src/commands/branch.rs
diff --git a/src/commands/brief.rs b/crates/claude-code-rs/src/commands/brief.rs
similarity index 100%
rename from src/commands/brief.rs
rename to crates/claude-code-rs/src/commands/brief.rs
diff --git a/src/commands/channels.rs b/crates/claude-code-rs/src/commands/channels.rs
similarity index 100%
rename from src/commands/channels.rs
rename to crates/claude-code-rs/src/commands/channels.rs
diff --git a/src/commands/chrome_cmd.rs b/crates/claude-code-rs/src/commands/chrome_cmd.rs
similarity index 100%
rename from src/commands/chrome_cmd.rs
rename to crates/claude-code-rs/src/commands/chrome_cmd.rs
diff --git a/src/commands/clear.rs b/crates/claude-code-rs/src/commands/clear.rs
similarity index 100%
rename from src/commands/clear.rs
rename to crates/claude-code-rs/src/commands/clear.rs
diff --git a/src/commands/commit.rs b/crates/claude-code-rs/src/commands/commit.rs
similarity index 100%
rename from src/commands/commit.rs
rename to crates/claude-code-rs/src/commands/commit.rs
diff --git a/src/commands/compact.rs b/crates/claude-code-rs/src/commands/compact.rs
similarity index 100%
rename from src/commands/compact.rs
rename to crates/claude-code-rs/src/commands/compact.rs
diff --git a/src/commands/config_cmd.rs b/crates/claude-code-rs/src/commands/config_cmd.rs
similarity index 100%
rename from src/commands/config_cmd.rs
rename to crates/claude-code-rs/src/commands/config_cmd.rs
diff --git a/src/commands/context.rs b/crates/claude-code-rs/src/commands/context.rs
similarity index 100%
rename from src/commands/context.rs
rename to crates/claude-code-rs/src/commands/context.rs
diff --git a/src/commands/copy.rs b/crates/claude-code-rs/src/commands/copy.rs
similarity index 100%
rename from src/commands/copy.rs
rename to crates/claude-code-rs/src/commands/copy.rs
diff --git a/src/commands/cost.rs b/crates/claude-code-rs/src/commands/cost.rs
similarity index 100%
rename from src/commands/cost.rs
rename to crates/claude-code-rs/src/commands/cost.rs
diff --git a/src/commands/daemon_cmd.rs b/crates/claude-code-rs/src/commands/daemon_cmd.rs
similarity index 100%
rename from src/commands/daemon_cmd.rs
rename to crates/claude-code-rs/src/commands/daemon_cmd.rs
diff --git a/src/commands/diff.rs b/crates/claude-code-rs/src/commands/diff.rs
similarity index 100%
rename from src/commands/diff.rs
rename to crates/claude-code-rs/src/commands/diff.rs
diff --git a/src/commands/doctor.rs b/crates/claude-code-rs/src/commands/doctor.rs
similarity index 100%
rename from src/commands/doctor.rs
rename to crates/claude-code-rs/src/commands/doctor.rs
diff --git a/src/commands/dream.rs b/crates/claude-code-rs/src/commands/dream.rs
similarity index 100%
rename from src/commands/dream.rs
rename to crates/claude-code-rs/src/commands/dream.rs
diff --git a/src/commands/effort.rs b/crates/claude-code-rs/src/commands/effort.rs
similarity index 100%
rename from src/commands/effort.rs
rename to crates/claude-code-rs/src/commands/effort.rs
diff --git a/src/commands/exit.rs b/crates/claude-code-rs/src/commands/exit.rs
similarity index 100%
rename from src/commands/exit.rs
rename to crates/claude-code-rs/src/commands/exit.rs
diff --git a/src/commands/export.rs b/crates/claude-code-rs/src/commands/export.rs
similarity index 100%
rename from src/commands/export.rs
rename to crates/claude-code-rs/src/commands/export.rs
diff --git a/src/commands/extra_usage.rs b/crates/claude-code-rs/src/commands/extra_usage.rs
similarity index 100%
rename from src/commands/extra_usage.rs
rename to crates/claude-code-rs/src/commands/extra_usage.rs
diff --git a/src/commands/fast.rs b/crates/claude-code-rs/src/commands/fast.rs
similarity index 100%
rename from src/commands/fast.rs
rename to crates/claude-code-rs/src/commands/fast.rs
diff --git a/src/commands/files.rs b/crates/claude-code-rs/src/commands/files.rs
similarity index 100%
rename from src/commands/files.rs
rename to crates/claude-code-rs/src/commands/files.rs
diff --git a/src/commands/help.rs b/crates/claude-code-rs/src/commands/help.rs
similarity index 100%
rename from src/commands/help.rs
rename to crates/claude-code-rs/src/commands/help.rs
diff --git a/src/commands/hooks_cmd.rs b/crates/claude-code-rs/src/commands/hooks_cmd.rs
similarity index 100%
rename from src/commands/hooks_cmd.rs
rename to crates/claude-code-rs/src/commands/hooks_cmd.rs
diff --git a/src/commands/init.rs b/crates/claude-code-rs/src/commands/init.rs
similarity index 100%
rename from src/commands/init.rs
rename to crates/claude-code-rs/src/commands/init.rs
diff --git a/src/commands/insights.rs b/crates/claude-code-rs/src/commands/insights.rs
similarity index 100%
rename from src/commands/insights.rs
rename to crates/claude-code-rs/src/commands/insights.rs
diff --git a/src/commands/keybindings_cmd.rs b/crates/claude-code-rs/src/commands/keybindings_cmd.rs
similarity index 100%
rename from src/commands/keybindings_cmd.rs
rename to crates/claude-code-rs/src/commands/keybindings_cmd.rs
diff --git a/src/commands/login.rs b/crates/claude-code-rs/src/commands/login.rs
similarity index 100%
rename from src/commands/login.rs
rename to crates/claude-code-rs/src/commands/login.rs
diff --git a/src/commands/login_code.rs b/crates/claude-code-rs/src/commands/login_code.rs
similarity index 100%
rename from src/commands/login_code.rs
rename to crates/claude-code-rs/src/commands/login_code.rs
diff --git a/src/commands/logout.rs b/crates/claude-code-rs/src/commands/logout.rs
similarity index 100%
rename from src/commands/logout.rs
rename to crates/claude-code-rs/src/commands/logout.rs
diff --git a/src/commands/mcp_cmd.rs b/crates/claude-code-rs/src/commands/mcp_cmd.rs
similarity index 100%
rename from src/commands/mcp_cmd.rs
rename to crates/claude-code-rs/src/commands/mcp_cmd.rs
diff --git a/src/commands/memory.rs b/crates/claude-code-rs/src/commands/memory.rs
similarity index 100%
rename from src/commands/memory.rs
rename to crates/claude-code-rs/src/commands/memory.rs
diff --git a/src/commands/mod.rs b/crates/claude-code-rs/src/commands/mod.rs
similarity index 100%
rename from src/commands/mod.rs
rename to crates/claude-code-rs/src/commands/mod.rs
diff --git a/src/commands/model.rs b/crates/claude-code-rs/src/commands/model.rs
similarity index 100%
rename from src/commands/model.rs
rename to crates/claude-code-rs/src/commands/model.rs
diff --git a/src/commands/model_add.rs b/crates/claude-code-rs/src/commands/model_add.rs
similarity index 100%
rename from src/commands/model_add.rs
rename to crates/claude-code-rs/src/commands/model_add.rs
diff --git a/src/commands/notify.rs b/crates/claude-code-rs/src/commands/notify.rs
similarity index 100%
rename from src/commands/notify.rs
rename to crates/claude-code-rs/src/commands/notify.rs
diff --git a/src/commands/permissions_cmd.rs b/crates/claude-code-rs/src/commands/permissions_cmd.rs
similarity index 100%
rename from src/commands/permissions_cmd.rs
rename to crates/claude-code-rs/src/commands/permissions_cmd.rs
diff --git a/src/commands/plugin_cmd.rs b/crates/claude-code-rs/src/commands/plugin_cmd.rs
similarity index 100%
rename from src/commands/plugin_cmd.rs
rename to crates/claude-code-rs/src/commands/plugin_cmd.rs
diff --git a/src/commands/rate_limit.rs b/crates/claude-code-rs/src/commands/rate_limit.rs
similarity index 100%
rename from src/commands/rate_limit.rs
rename to crates/claude-code-rs/src/commands/rate_limit.rs
diff --git a/src/commands/recap.rs b/crates/claude-code-rs/src/commands/recap.rs
similarity index 100%
rename from src/commands/recap.rs
rename to crates/claude-code-rs/src/commands/recap.rs
diff --git a/src/commands/rename.rs b/crates/claude-code-rs/src/commands/rename.rs
similarity index 100%
rename from src/commands/rename.rs
rename to crates/claude-code-rs/src/commands/rename.rs
diff --git a/src/commands/resume.rs b/crates/claude-code-rs/src/commands/resume.rs
similarity index 100%
rename from src/commands/resume.rs
rename to crates/claude-code-rs/src/commands/resume.rs
diff --git a/src/commands/review.rs b/crates/claude-code-rs/src/commands/review.rs
similarity index 100%
rename from src/commands/review.rs
rename to crates/claude-code-rs/src/commands/review.rs
diff --git a/src/commands/rewind.rs b/crates/claude-code-rs/src/commands/rewind.rs
similarity index 100%
rename from src/commands/rewind.rs
rename to crates/claude-code-rs/src/commands/rewind.rs
diff --git a/src/commands/sandbox_cmd.rs b/crates/claude-code-rs/src/commands/sandbox_cmd.rs
similarity index 100%
rename from src/commands/sandbox_cmd.rs
rename to crates/claude-code-rs/src/commands/sandbox_cmd.rs
diff --git a/src/commands/security_review.rs b/crates/claude-code-rs/src/commands/security_review.rs
similarity index 100%
rename from src/commands/security_review.rs
rename to crates/claude-code-rs/src/commands/security_review.rs
diff --git a/src/commands/session.rs b/crates/claude-code-rs/src/commands/session.rs
similarity index 100%
rename from src/commands/session.rs
rename to crates/claude-code-rs/src/commands/session.rs
diff --git a/src/commands/session_export.rs b/crates/claude-code-rs/src/commands/session_export.rs
similarity index 100%
rename from src/commands/session_export.rs
rename to crates/claude-code-rs/src/commands/session_export.rs
diff --git a/src/commands/skills_cmd.rs b/crates/claude-code-rs/src/commands/skills_cmd.rs
similarity index 100%
rename from src/commands/skills_cmd.rs
rename to crates/claude-code-rs/src/commands/skills_cmd.rs
diff --git a/src/commands/sleep_cmd.rs b/crates/claude-code-rs/src/commands/sleep_cmd.rs
similarity index 100%
rename from src/commands/sleep_cmd.rs
rename to crates/claude-code-rs/src/commands/sleep_cmd.rs
diff --git a/src/commands/status.rs b/crates/claude-code-rs/src/commands/status.rs
similarity index 100%
rename from src/commands/status.rs
rename to crates/claude-code-rs/src/commands/status.rs
diff --git a/src/commands/statusline_cmd.rs b/crates/claude-code-rs/src/commands/statusline_cmd.rs
similarity index 100%
rename from src/commands/statusline_cmd.rs
rename to crates/claude-code-rs/src/commands/statusline_cmd.rs
diff --git a/src/commands/tasks_cmd.rs b/crates/claude-code-rs/src/commands/tasks_cmd.rs
similarity index 100%
rename from src/commands/tasks_cmd.rs
rename to crates/claude-code-rs/src/commands/tasks_cmd.rs
diff --git a/src/commands/team_cmd.rs b/crates/claude-code-rs/src/commands/team_cmd.rs
similarity index 100%
rename from src/commands/team_cmd.rs
rename to crates/claude-code-rs/src/commands/team_cmd.rs
diff --git a/src/commands/terminal_setup.rs b/crates/claude-code-rs/src/commands/terminal_setup.rs
similarity index 100%
rename from src/commands/terminal_setup.rs
rename to crates/claude-code-rs/src/commands/terminal_setup.rs
diff --git a/src/commands/version.rs b/crates/claude-code-rs/src/commands/version.rs
similarity index 100%
rename from src/commands/version.rs
rename to crates/claude-code-rs/src/commands/version.rs
diff --git a/src/commands/voice_cmd.rs b/crates/claude-code-rs/src/commands/voice_cmd.rs
similarity index 100%
rename from src/commands/voice_cmd.rs
rename to crates/claude-code-rs/src/commands/voice_cmd.rs
diff --git a/src/compact/auto_compact.rs b/crates/claude-code-rs/src/compact/auto_compact.rs
similarity index 100%
rename from src/compact/auto_compact.rs
rename to crates/claude-code-rs/src/compact/auto_compact.rs
diff --git a/src/compact/compaction.rs b/crates/claude-code-rs/src/compact/compaction.rs
similarity index 100%
rename from src/compact/compaction.rs
rename to crates/claude-code-rs/src/compact/compaction.rs
diff --git a/src/compact/messages.rs b/crates/claude-code-rs/src/compact/messages.rs
similarity index 100%
rename from src/compact/messages.rs
rename to crates/claude-code-rs/src/compact/messages.rs
diff --git a/src/compact/microcompact.rs b/crates/claude-code-rs/src/compact/microcompact.rs
similarity index 100%
rename from src/compact/microcompact.rs
rename to crates/claude-code-rs/src/compact/microcompact.rs
diff --git a/src/compact/mod.rs b/crates/claude-code-rs/src/compact/mod.rs
similarity index 100%
rename from src/compact/mod.rs
rename to crates/claude-code-rs/src/compact/mod.rs
diff --git a/src/compact/pipeline.rs b/crates/claude-code-rs/src/compact/pipeline.rs
similarity index 100%
rename from src/compact/pipeline.rs
rename to crates/claude-code-rs/src/compact/pipeline.rs
diff --git a/src/compact/snip.rs b/crates/claude-code-rs/src/compact/snip.rs
similarity index 100%
rename from src/compact/snip.rs
rename to crates/claude-code-rs/src/compact/snip.rs
diff --git a/src/compact/tool_result_budget.rs b/crates/claude-code-rs/src/compact/tool_result_budget.rs
similarity index 100%
rename from src/compact/tool_result_budget.rs
rename to crates/claude-code-rs/src/compact/tool_result_budget.rs
diff --git a/src/computer_use/detection.rs b/crates/claude-code-rs/src/computer_use/detection.rs
similarity index 100%
rename from src/computer_use/detection.rs
rename to crates/claude-code-rs/src/computer_use/detection.rs
diff --git a/src/computer_use/input/darwin.rs b/crates/claude-code-rs/src/computer_use/input/darwin.rs
similarity index 100%
rename from src/computer_use/input/darwin.rs
rename to crates/claude-code-rs/src/computer_use/input/darwin.rs
diff --git a/src/computer_use/input/linux.rs b/crates/claude-code-rs/src/computer_use/input/linux.rs
similarity index 100%
rename from src/computer_use/input/linux.rs
rename to crates/claude-code-rs/src/computer_use/input/linux.rs
diff --git a/src/computer_use/input/mod.rs b/crates/claude-code-rs/src/computer_use/input/mod.rs
similarity index 100%
rename from src/computer_use/input/mod.rs
rename to crates/claude-code-rs/src/computer_use/input/mod.rs
diff --git a/src/computer_use/input/win32.rs b/crates/claude-code-rs/src/computer_use/input/win32.rs
similarity index 100%
rename from src/computer_use/input/win32.rs
rename to crates/claude-code-rs/src/computer_use/input/win32.rs
diff --git a/src/computer_use/mod.rs b/crates/claude-code-rs/src/computer_use/mod.rs
similarity index 100%
rename from src/computer_use/mod.rs
rename to crates/claude-code-rs/src/computer_use/mod.rs
diff --git a/src/computer_use/screenshot/darwin.rs b/crates/claude-code-rs/src/computer_use/screenshot/darwin.rs
similarity index 100%
rename from src/computer_use/screenshot/darwin.rs
rename to crates/claude-code-rs/src/computer_use/screenshot/darwin.rs
diff --git a/src/computer_use/screenshot/linux.rs b/crates/claude-code-rs/src/computer_use/screenshot/linux.rs
similarity index 100%
rename from src/computer_use/screenshot/linux.rs
rename to crates/claude-code-rs/src/computer_use/screenshot/linux.rs
diff --git a/src/computer_use/screenshot/mod.rs b/crates/claude-code-rs/src/computer_use/screenshot/mod.rs
similarity index 100%
rename from src/computer_use/screenshot/mod.rs
rename to crates/claude-code-rs/src/computer_use/screenshot/mod.rs
diff --git a/src/computer_use/screenshot/win32.rs b/crates/claude-code-rs/src/computer_use/screenshot/win32.rs
similarity index 100%
rename from src/computer_use/screenshot/win32.rs
rename to crates/claude-code-rs/src/computer_use/screenshot/win32.rs
diff --git a/src/computer_use/setup.rs b/crates/claude-code-rs/src/computer_use/setup.rs
similarity index 100%
rename from src/computer_use/setup.rs
rename to crates/claude-code-rs/src/computer_use/setup.rs
diff --git a/src/computer_use/tools.rs b/crates/claude-code-rs/src/computer_use/tools.rs
similarity index 100%
rename from src/computer_use/tools.rs
rename to crates/claude-code-rs/src/computer_use/tools.rs
diff --git a/src/config/claude_md.rs b/crates/claude-code-rs/src/config/claude_md.rs
similarity index 100%
rename from src/config/claude_md.rs
rename to crates/claude-code-rs/src/config/claude_md.rs
diff --git a/src/config/constants.rs b/crates/claude-code-rs/src/config/constants.rs
similarity index 100%
rename from src/config/constants.rs
rename to crates/claude-code-rs/src/config/constants.rs
diff --git a/src/config/features.rs b/crates/claude-code-rs/src/config/features.rs
similarity index 100%
rename from src/config/features.rs
rename to crates/claude-code-rs/src/config/features.rs
diff --git a/src/config/mod.rs b/crates/claude-code-rs/src/config/mod.rs
similarity index 100%
rename from src/config/mod.rs
rename to crates/claude-code-rs/src/config/mod.rs
diff --git a/src/config/paths.rs b/crates/claude-code-rs/src/config/paths.rs
similarity index 100%
rename from src/config/paths.rs
rename to crates/claude-code-rs/src/config/paths.rs
diff --git a/src/config/settings.rs b/crates/claude-code-rs/src/config/settings.rs
similarity index 99%
rename from src/config/settings.rs
rename to crates/claude-code-rs/src/config/settings.rs
index 85753f48..adc59a16 100644
--- a/src/config/settings.rs
+++ b/crates/claude-code-rs/src/config/settings.rs
@@ -1423,7 +1423,10 @@ mod tests {
     /// `cargo test schema_file_matches_runtime -- --ignored` (then update).
     #[test]
     fn schema_file_matches_runtime() {
+        // docs/ lives at the workspace root, two levels above the crate.
         let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("..")
+            .join("..")
             .join("docs")
             .join("schemas")
             .join("settings.schema.json");
diff --git a/src/config/validation.rs b/crates/claude-code-rs/src/config/validation.rs
similarity index 100%
rename from src/config/validation.rs
rename to crates/claude-code-rs/src/config/validation.rs
diff --git a/src/daemon/channels.rs b/crates/claude-code-rs/src/daemon/channels.rs
similarity index 100%
rename from src/daemon/channels.rs
rename to crates/claude-code-rs/src/daemon/channels.rs
diff --git a/src/daemon/memory_log.rs b/crates/claude-code-rs/src/daemon/memory_log.rs
similarity index 100%
rename from src/daemon/memory_log.rs
rename to crates/claude-code-rs/src/daemon/memory_log.rs
diff --git a/src/daemon/mod.rs b/crates/claude-code-rs/src/daemon/mod.rs
similarity index 100%
rename from src/daemon/mod.rs
rename to crates/claude-code-rs/src/daemon/mod.rs
diff --git a/src/daemon/notification.rs b/crates/claude-code-rs/src/daemon/notification.rs
similarity index 100%
rename from src/daemon/notification.rs
rename to crates/claude-code-rs/src/daemon/notification.rs
diff --git a/src/daemon/routes.rs b/crates/claude-code-rs/src/daemon/routes.rs
similarity index 100%
rename from src/daemon/routes.rs
rename to crates/claude-code-rs/src/daemon/routes.rs
diff --git a/src/daemon/server.rs b/crates/claude-code-rs/src/daemon/server.rs
similarity index 100%
rename from src/daemon/server.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/ui/app.rs
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similarity index 100%
rename from src/ui/browser.rs
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similarity index 100%
rename from src/ui/diff.rs
rename to crates/claude-code-rs/src/ui/diff.rs
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similarity index 100%
rename from src/ui/keybindings.rs
rename to crates/claude-code-rs/src/ui/keybindings.rs
diff --git a/src/ui/markdown.rs b/crates/claude-code-rs/src/ui/markdown.rs
similarity index 100%
rename from src/ui/markdown.rs
rename to crates/claude-code-rs/src/ui/markdown.rs
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similarity index 100%
rename from src/ui/messages.rs
rename to crates/claude-code-rs/src/ui/messages.rs
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similarity index 100%
rename from src/ui/mod.rs
rename to crates/claude-code-rs/src/ui/mod.rs
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similarity index 100%
rename from src/ui/permissions.rs
rename to crates/claude-code-rs/src/ui/permissions.rs
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similarity index 100%
rename from src/ui/prompt_input.rs
rename to crates/claude-code-rs/src/ui/prompt_input.rs
diff --git a/src/ui/spinner.rs b/crates/claude-code-rs/src/ui/spinner.rs
similarity index 100%
rename from src/ui/spinner.rs
rename to crates/claude-code-rs/src/ui/spinner.rs
diff --git a/src/ui/status_line/mod.rs b/crates/claude-code-rs/src/ui/status_line/mod.rs
similarity index 100%
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rename to crates/claude-code-rs/src/ui/status_line/mod.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/ui/status_line/payload.rs
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/src/ui/terminal_env.rs
diff --git a/src/ui/theme.rs b/crates/claude-code-rs/src/ui/theme.rs
similarity index 100%
rename from src/ui/theme.rs
rename to crates/claude-code-rs/src/ui/theme.rs
diff --git a/src/ui/transcript.rs b/crates/claude-code-rs/src/ui/transcript.rs
similarity index 100%
rename from src/ui/transcript.rs
rename to crates/claude-code-rs/src/ui/transcript.rs
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similarity index 100%
rename from src/ui/tui.rs
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/src/ui/virtual_scroll.rs
diff --git a/src/ui/welcome.rs b/crates/claude-code-rs/src/ui/welcome.rs
similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/bash.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/cwd.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/file_state_cache.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/git.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/messages.rs
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similarity index 100%
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rename to crates/claude-code-rs/src/utils/mod.rs
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similarity index 100%
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similarity index 100%
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diff --git a/src/voice/audio.rs b/crates/claude-code-rs/src/voice/audio.rs
similarity index 100%
rename from src/voice/audio.rs
rename to crates/claude-code-rs/src/voice/audio.rs
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/src/voice/feasibility.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/src/voice/stt.rs
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similarity index 100%
rename from src/web/handlers.rs
rename to crates/claude-code-rs/src/web/handlers.rs
diff --git a/src/web/mod.rs b/crates/claude-code-rs/src/web/mod.rs
similarity index 100%
rename from src/web/mod.rs
rename to crates/claude-code-rs/src/web/mod.rs
diff --git a/src/web/sse.rs b/crates/claude-code-rs/src/web/sse.rs
similarity index 100%
rename from src/web/sse.rs
rename to crates/claude-code-rs/src/web/sse.rs
diff --git a/src/web/state.rs b/crates/claude-code-rs/src/web/state.rs
similarity index 100%
rename from src/web/state.rs
rename to crates/claude-code-rs/src/web/state.rs
diff --git a/src/web/static_files.rs b/crates/claude-code-rs/src/web/static_files.rs
similarity index 91%
rename from src/web/static_files.rs
rename to crates/claude-code-rs/src/web/static_files.rs
index 0b921bd4..798879fd 100644
--- a/src/web/static_files.rs
+++ b/crates/claude-code-rs/src/web/static_files.rs
@@ -13,9 +13,12 @@ use axum::{
 #[cfg(feature = "web-ui")]
 use rust_embed::Embed;
 
+// The `folder` attribute is resolved relative to the crate's manifest dir.
+// With the workspace split, `web-ui/dist` lives two levels up at the
+// workspace root.
 #[cfg(feature = "web-ui")]
 #[derive(Embed)]
-#[folder = "web-ui/dist"]
+#[folder = "../../web-ui/dist"]
 struct WebAssets;
 
 /// Fallback handler: serve embedded static files or SPA index.html.
diff --git a/tests/cc_rust_home_subprocess.rs b/crates/claude-code-rs/tests/cc_rust_home_subprocess.rs
similarity index 100%
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rename to crates/claude-code-rs/tests/cc_rust_home_subprocess.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/tests/e2e_hooks.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/tests/e2e_plugin_tools.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/tests/e2e_terminal/commands.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename to crates/claude-code-rs/tests/e2e_terminal/main.rs
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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rename from tests/message_suite/cases/smoke/deepseek-chat.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/smoke/deepseek-chat.yaml
diff --git a/tests/message_suite/cases/smoke/version.yaml b/crates/claude-code-rs/tests/message_suite/cases/smoke/version.yaml
similarity index 100%
rename from tests/message_suite/cases/smoke/version.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/smoke/version.yaml
diff --git a/tests/message_suite/cases/subagent/abort-mid-flight.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/abort-mid-flight.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/abort-mid-flight.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/abort-mid-flight.yaml
diff --git a/tests/message_suite/cases/subagent/background.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/background.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/background.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/background.yaml
diff --git a/tests/message_suite/cases/subagent/explore.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/explore.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/explore.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/explore.yaml
diff --git a/tests/message_suite/cases/subagent/general-purpose.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/general-purpose.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/general-purpose.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/general-purpose.yaml
diff --git a/tests/message_suite/cases/subagent/nested.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/nested.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/nested.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/nested.yaml
diff --git a/tests/message_suite/cases/subagent/worktree-isolation.yaml b/crates/claude-code-rs/tests/message_suite/cases/subagent/worktree-isolation.yaml
similarity index 100%
rename from tests/message_suite/cases/subagent/worktree-isolation.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/subagent/worktree-isolation.yaml
diff --git a/tests/message_suite/cases/workspace/add-dir-nonexistent.yaml b/crates/claude-code-rs/tests/message_suite/cases/workspace/add-dir-nonexistent.yaml
similarity index 100%
rename from tests/message_suite/cases/workspace/add-dir-nonexistent.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/workspace/add-dir-nonexistent.yaml
diff --git a/tests/message_suite/cases/workspace/add-dir.yaml b/crates/claude-code-rs/tests/message_suite/cases/workspace/add-dir.yaml
similarity index 100%
rename from tests/message_suite/cases/workspace/add-dir.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/workspace/add-dir.yaml
diff --git a/tests/message_suite/cases/workspace/multi-parallel.yaml b/crates/claude-code-rs/tests/message_suite/cases/workspace/multi-parallel.yaml
similarity index 100%
rename from tests/message_suite/cases/workspace/multi-parallel.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/workspace/multi-parallel.yaml
diff --git a/tests/message_suite/cases/workspace/session-scoping.yaml b/crates/claude-code-rs/tests/message_suite/cases/workspace/session-scoping.yaml
similarity index 100%
rename from tests/message_suite/cases/workspace/session-scoping.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/workspace/session-scoping.yaml
diff --git a/tests/message_suite/cases/workspace/single-cwd.yaml b/crates/claude-code-rs/tests/message_suite/cases/workspace/single-cwd.yaml
similarity index 100%
rename from tests/message_suite/cases/workspace/single-cwd.yaml
rename to crates/claude-code-rs/tests/message_suite/cases/workspace/single-cwd.yaml
diff --git a/tests/message_suite/defaults.yaml b/crates/claude-code-rs/tests/message_suite/defaults.yaml
similarity index 100%
rename from tests/message_suite/defaults.yaml
rename to crates/claude-code-rs/tests/message_suite/defaults.yaml
diff --git a/tests/message_suite/protocol.py b/crates/claude-code-rs/tests/message_suite/protocol.py
similarity index 100%
rename from tests/message_suite/protocol.py
rename to crates/claude-code-rs/tests/message_suite/protocol.py
diff --git a/tests/message_suite/runner.py b/crates/claude-code-rs/tests/message_suite/runner.py
similarity index 100%
rename from tests/message_suite/runner.py
rename to crates/claude-code-rs/tests/message_suite/runner.py
diff --git a/tests/pty_ui/commands.rs b/crates/claude-code-rs/tests/pty_ui/commands.rs
similarity index 100%
rename from tests/pty_ui/commands.rs
rename to crates/claude-code-rs/tests/pty_ui/commands.rs
diff --git a/tests/pty_ui/fast_path.rs b/crates/claude-code-rs/tests/pty_ui/fast_path.rs
similarity index 100%
rename from tests/pty_ui/fast_path.rs
rename to crates/claude-code-rs/tests/pty_ui/fast_path.rs
diff --git a/tests/pty_ui/harness.rs b/crates/claude-code-rs/tests/pty_ui/harness.rs
similarity index 100%
rename from tests/pty_ui/harness.rs
rename to crates/claude-code-rs/tests/pty_ui/harness.rs
diff --git a/tests/pty_ui/input.rs b/crates/claude-code-rs/tests/pty_ui/input.rs
similarity index 100%
rename from tests/pty_ui/input.rs
rename to crates/claude-code-rs/tests/pty_ui/input.rs
diff --git a/tests/pty_ui/main.rs b/crates/claude-code-rs/tests/pty_ui/main.rs
similarity index 100%
rename from tests/pty_ui/main.rs
rename to crates/claude-code-rs/tests/pty_ui/main.rs
diff --git a/tests/pty_ui/multi_turn.rs b/crates/claude-code-rs/tests/pty_ui/multi_turn.rs
similarity index 100%
rename from tests/pty_ui/multi_turn.rs
rename to crates/claude-code-rs/tests/pty_ui/multi_turn.rs
diff --git a/tests/pty_ui/resize.rs b/crates/claude-code-rs/tests/pty_ui/resize.rs
similarity index 100%
rename from tests/pty_ui/resize.rs
rename to crates/claude-code-rs/tests/pty_ui/resize.rs
diff --git a/tests/pty_ui/screenshot.rs b/crates/claude-code-rs/tests/pty_ui/screenshot.rs
similarity index 100%
rename from tests/pty_ui/screenshot.rs
rename to crates/claude-code-rs/tests/pty_ui/screenshot.rs
diff --git a/tests/pty_ui/streaming.rs b/crates/claude-code-rs/tests/pty_ui/streaming.rs
similarity index 100%
rename from tests/pty_ui/streaming.rs
rename to crates/claude-code-rs/tests/pty_ui/streaming.rs
diff --git a/tests/pty_ui/welcome.rs b/crates/claude-code-rs/tests/pty_ui/welcome.rs
similarity index 100%
rename from tests/pty_ui/welcome.rs
rename to crates/claude-code-rs/tests/pty_ui/welcome.rs
diff --git a/tests/pytest.ini b/crates/claude-code-rs/tests/pytest.ini
similarity index 100%
rename from tests/pytest.ini
rename to crates/claude-code-rs/tests/pytest.ini
diff --git a/tests/test_e2e_smoke.py b/crates/claude-code-rs/tests/test_e2e_smoke.py
similarity index 100%
rename from tests/test_e2e_smoke.py
rename to crates/claude-code-rs/tests/test_e2e_smoke.py
diff --git a/tests/test_workspace.rs b/crates/claude-code-rs/tests/test_workspace.rs
similarity index 100%
rename from tests/test_workspace.rs
rename to crates/claude-code-rs/tests/test_workspace.rs
diff --git a/docs/workspace-split-measurements.md b/docs/workspace-split-measurements.md
new file mode 100644
index 00000000..8e6ee346
--- /dev/null
+++ b/docs/workspace-split-measurements.md
@@ -0,0 +1,60 @@
+# Workspace Split — Build Time Measurements
+
+Baseline and per-phase build-time measurements for the workspace-split refactor
+(design doc: [2026-04-20-workspace-split-design.md](superpowers/specs/2026-04-20-workspace-split-design.md)).
+
+## Protocol
+
+All timings recorded on the same workstation, same target-dir
+(`F:/cargo-target/cc-rust`), with the existing `.cargo/config.toml` settings
+(rust-lld linker on Windows MSVC). Each incremental row is taken in "steady
+state" — immediately after a no-op build, then `touch` the file and rebuild.
+
+```bash
+# Incremental
+touch <file> && cargo build --offline 2>&1 | tail -2
+
+# Cold release
+cargo clean && cargo build --offline --release 2>&1 | tail -1
+```
+
+Times come from cargo's own `Finished ... in Xs` line (wall-clock inside cargo).
+
+## Baseline — pre-split (single crate)
+
+Recorded 2026-04-20 on branch `workspace-split` at commit `8f048c4` (same tree
+as `rust-lite`). Host: Windows 11, rustc 1.91.1, cargo 1.91.1.
+
+| Scenario | Time |
+|---|---|
+| Incremental after `touch src/main.rs` | **6.74s** |
+| Incremental after `touch src/tools/file_read.rs` | **0.42s** |
+| Cold `cargo build --release` | *(pending — see note)* |
+
+### Observations
+
+- The incremental gap between `main.rs` (6.74s) and `tools/file_read.rs` (0.42s)
+  is large (~16×). Cargo sub-divides the single crate into rustc codegen units;
+  `main.rs` sits in a codegen unit with many sibling modules (wide module tree),
+  while `tools/file_read.rs` sits in a smaller unit. The workspace split is
+  expected to reduce the `main.rs` case the most, since splitting hub modules
+  into crates eliminates the cross-codegen-unit re-link each time.
+- Link time dominates both numbers; `rust-lld` is already in use (see
+  `.cargo/config.toml`).
+
+### Note on cold release
+
+Cold `cargo clean && cargo build --release` was not run in the baseline commit:
+the shared target-dir (`F:/cargo-target/cc-rust`) is used by other
+worktrees/branches in-flight, and `cargo clean` would invalidate caches
+unrelated to this measurement. We will capture the cold release figure on a
+dedicated measurement commit later in the phase sequence (Phase 8), where a
+full rebuild is required anyway.
+
+## Per-phase timings
+
+Appended as each phase lands on `rust-lite`.
+
+| Phase | Date | Commit | `touch main.rs` | `touch file_read.rs` | Cold release |
+|---|---|---|---|---|---|
+| Baseline (P0 pre-move) | 2026-04-20 | `8f048c4` | 6.74s | 0.42s | — |

From 9fd7229b4b8af7e6b9eaae4dd0ec057dc7162ad1 Mon Sep 17 00:00:00 2001
From: crsei <Crsei@protonmail.com>
Date: Mon, 20 Apr 2026 14:14:22 -0400
Subject: [PATCH 2/5] refactor(workspace): P1.1 extract cc-keybindings leaf
 crate
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Move `src/keybindings/` (2,362 LOC, 7 files) out of `claude-code-rs`
into its own `cc-keybindings` workspace member. Zero internal deps — the
module only used std, parking_lot, crossterm, serde, serde_json, tracing,
so the extraction is purely mechanical.

Root crate keeps the `crate::keybindings::…` path working via
`use cc_keybindings as keybindings;` at crate root, so no call-site edits
were needed in main.rs, ui/app.rs, types/app_state.rs, or
commands/keybindings_cmd.rs.

All 51 keybinding unit tests pass in the new crate. Full workspace build
clean.

Part of #68 / Closes first acceptance item of #70.
---
 Cargo.lock                                        | 13 +++++++++++++
 Cargo.toml                                        |  3 +++
 crates/cc-keybindings/Cargo.toml                  | 15 +++++++++++++++
 .../keybindings => cc-keybindings/src}/action.rs  |  0
 .../keybindings => cc-keybindings/src}/config.rs  |  0
 .../keybindings => cc-keybindings/src}/context.rs |  0
 .../src}/defaults.rs                              |  0
 .../src}/keystroke.rs                             |  0
 .../mod.rs => cc-keybindings/src/lib.rs}          |  0
 .../src}/registry.rs                              |  0
 crates/claude-code-rs/Cargo.toml                  |  3 +++
 crates/claude-code-rs/src/main.rs                 |  4 +++-
 12 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 crates/cc-keybindings/Cargo.toml
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/action.rs (100%)
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/config.rs (100%)
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/context.rs (100%)
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/defaults.rs (100%)
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/keystroke.rs (100%)
 rename crates/{claude-code-rs/src/keybindings/mod.rs => cc-keybindings/src/lib.rs} (100%)
 rename crates/{claude-code-rs/src/keybindings => cc-keybindings/src}/registry.rs (100%)

diff --git a/Cargo.lock b/Cargo.lock
index bc9e2e01..bc1e37f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -479,6 +479,18 @@ dependencies = [
  "shlex",
 ]
 
+[[package]]
+name = "cc-keybindings"
+version = "0.1.0"
+dependencies = [
+ "crossterm",
+ "parking_lot",
+ "serde",
+ "serde_json",
+ "tempfile",
+ "tracing",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -557,6 +569,7 @@ dependencies = [
  "axum",
  "base64",
  "bytes",
+ "cc-keybindings",
  "chrono",
  "clap",
  "crossterm",
diff --git a/Cargo.toml b/Cargo.toml
index 82237332..c51f1b66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -119,6 +119,9 @@ dotenvy = "0.15.7"
 # 同步原语
 parking_lot = "0.12"
 
+# 内部 crates (workspace split)
+cc-keybindings = { path = "crates/cc-keybindings" }
+
 # Daemon HTTP server
 axum = { version = "0.8", features = ["ws"] }
 tower = "0.5"
diff --git a/crates/cc-keybindings/Cargo.toml b/crates/cc-keybindings/Cargo.toml
new file mode 100644
index 00000000..9da75771
--- /dev/null
+++ b/crates/cc-keybindings/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "cc-keybindings"
+version = "0.1.0"
+edition = "2021"
+description = "Keybinding system for cc-rust: action vocabulary + JSON config + hot reload"
+
+[dependencies]
+serde = { workspace = true }
+serde_json = { workspace = true }
+parking_lot = { workspace = true }
+crossterm = { workspace = true }
+tracing = { workspace = true }
+
+[dev-dependencies]
+tempfile = { workspace = true }
diff --git a/crates/claude-code-rs/src/keybindings/action.rs b/crates/cc-keybindings/src/action.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/action.rs
rename to crates/cc-keybindings/src/action.rs
diff --git a/crates/claude-code-rs/src/keybindings/config.rs b/crates/cc-keybindings/src/config.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/config.rs
rename to crates/cc-keybindings/src/config.rs
diff --git a/crates/claude-code-rs/src/keybindings/context.rs b/crates/cc-keybindings/src/context.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/context.rs
rename to crates/cc-keybindings/src/context.rs
diff --git a/crates/claude-code-rs/src/keybindings/defaults.rs b/crates/cc-keybindings/src/defaults.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/defaults.rs
rename to crates/cc-keybindings/src/defaults.rs
diff --git a/crates/claude-code-rs/src/keybindings/keystroke.rs b/crates/cc-keybindings/src/keystroke.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/keystroke.rs
rename to crates/cc-keybindings/src/keystroke.rs
diff --git a/crates/claude-code-rs/src/keybindings/mod.rs b/crates/cc-keybindings/src/lib.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/mod.rs
rename to crates/cc-keybindings/src/lib.rs
diff --git a/crates/claude-code-rs/src/keybindings/registry.rs b/crates/cc-keybindings/src/registry.rs
similarity index 100%
rename from crates/claude-code-rs/src/keybindings/registry.rs
rename to crates/cc-keybindings/src/registry.rs
diff --git a/crates/claude-code-rs/Cargo.toml b/crates/claude-code-rs/Cargo.toml
index 3e774389..474306e3 100644
--- a/crates/claude-code-rs/Cargo.toml
+++ b/crates/claude-code-rs/Cargo.toml
@@ -131,6 +131,9 @@ dotenvy = { workspace = true }
 # 同步原语
 parking_lot = { workspace = true }
 
+# 内部 workspace crates (P1)
+cc-keybindings = { workspace = true }
+
 # Daemon
 axum = { workspace = true }
 tower = { workspace = true }
diff --git a/crates/claude-code-rs/src/main.rs b/crates/claude-code-rs/src/main.rs
index 7fa63fe7..44908cc0 100644
--- a/crates/claude-code-rs/src/main.rs
+++ b/crates/claude-code-rs/src/main.rs
@@ -24,7 +24,9 @@ mod commands;
 mod computer_use;
 mod config;
 mod engine;
-mod keybindings;
+// `keybindings` lives in its own crate (`cc-keybindings`). Re-alias at the
+// crate root so existing `crate::keybindings::...` paths continue to resolve.
+use cc_keybindings as keybindings;
 mod permissions;
 mod query;
 mod sandbox;

From 3c6c1761d5eb62161e264fa401ae3d769f90a7f4 Mon Sep 17 00:00:00 2001
From: crsei <Crsei@protonmail.com>
Date: Tue, 21 Apr 2026 01:40:29 -0400
Subject: [PATCH 3/5] ci(workspace): fix CI failures after Phase 0 workspace
 split
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Three failures on PR #79 / branch workspace-split:

1. test-windows: `failed to create directory F:/cargo-target`
   The repo-level .cargo/config.toml had `target-dir = "F:/cargo-target/cc-rust"`,
   a developer-local absolute path. Removed; reminder comment points devs to
   ~/.cargo/config.toml or CARGO_TARGET_DIR for per-machine overrides.

2. test-rust-offline: `COPY src/` in Dockerfile.ci fails — Phase 0 moved
   src/ and tests/ into crates/claude-code-rs/. Replace the old
   "empty-shell cache layer" trick (which only worked for a single crate)
   with a straight workspace copy: Cargo.toml + Cargo.lock + crates/.

3. test-ui: same src/ → crates/ move applied to ui/Dockerfile.test.

Target-dir at workspace root stays as the default `target/`, so the
binary path `/build/target/release/claude-code-rs` used by the downstream
Docker stages is unchanged.
---
 .cargo/config.toml | 15 +++++++++++++--
 Dockerfile.ci      | 17 ++++++++---------
 ui/Dockerfile.test |  8 ++++----
 3 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/.cargo/config.toml b/.cargo/config.toml
index b23c2259..324da49e 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -2,8 +2,19 @@
 LIB = { value = "", force = true }
 INCLUDE = { value = "", force = true }
 
-[build]
-target-dir = "F:/cargo-target/cc-rust"
+# ============================================================
+# target-dir 为什么不在这里
+# ------------------------------------------------------------
+# 绝对路径（如 F:/cargo-target/cc-rust）会污染 CI，报
+#   "failed to create directory F:/cargo-target"
+# 需要把构建产物放到其他盘的话，在你**自己的** ~/.cargo/config.toml
+# 里加：
+#
+#   [build]
+#   target-dir = "F:/cargo-target/cc-rust"
+#
+# 或用环境变量 CARGO_TARGET_DIR。两者都会覆盖仓库级配置。
+# ============================================================
 
 # ============================================================
 # 链接器加速: 使用 rust-lld 替换 MSVC link.exe
diff --git a/Dockerfile.ci b/Dockerfile.ci
index f7013bcc..265ac335 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -5,16 +5,15 @@ FROM rust:latest AS builder
 
 WORKDIR /build
 
-# Dependency cache layer: copy only Cargo manifests, build with dummy src
+# Workspace layout (after Phase 0 of the workspace split):
+#   /build/Cargo.toml               — workspace manifest
+#   /build/crates/claude-code-rs/   — the bin crate (src/, tests/)
+#
+# The old "empty-shell src cache layer" trick doesn't fit a workspace
+# cleanly (would need every crate's Cargo.toml + dummy src). We rely on
+# Docker BuildKit's registry cache / layer cache instead.
 COPY Cargo.toml Cargo.lock ./
-RUN mkdir src && \
-    echo "fn main() {}" > src/main.rs && \
-    cargo build --release 2>/dev/null || true && \
-    rm -rf src
-
-# Full source copy
-COPY src/ src/
-COPY tests/ tests/
+COPY crates/ crates/
 
 # Build binary
 RUN cargo build --release
diff --git a/ui/Dockerfile.test b/ui/Dockerfile.test
index 3507815c..8ea31d9e 100644
--- a/ui/Dockerfile.test
+++ b/ui/Dockerfile.test
@@ -16,11 +16,11 @@
 FROM rust:latest AS rust-builder
 
 WORKDIR /build
-COPY Cargo.toml Cargo.lock ./
-RUN mkdir src && echo "fn main() {}" > src/main.rs && \
-    cargo build --release 2>/dev/null || true && rm -rf src
 
-COPY src/ src/
+# Workspace layout (after Phase 0 of the workspace split):
+# copy manifest + every crate, then a straight `cargo build` at the root.
+COPY Cargo.toml Cargo.lock ./
+COPY crates/ crates/
 RUN cargo build --release
 
 # ── Stage 2: UI test runner ──────────────────────────────────

From e36deb4b3986c4a874bc91f8a074bdc4dc76d3cb Mon Sep 17 00:00:00 2001
From: crsei <Crsei@protonmail.com>
Date: Tue, 21 Apr 2026 01:49:29 -0400
Subject: [PATCH 4/5] fix(linux): 3 long-standing Linux-only compile errors
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

These errors have been red on rust-lite CI for some time, previously
hidden behind the target-dir / Dockerfile-path issues that my prior
commit fixed. None are regressions from Phase 0 of the workspace split.

1. sandbox/availability.rs:89 — `which::which` used in non-test code
   but `which` was declared only in [dev-dependencies]. Promote to
   regular [dependencies]. Affects all Linux builds.

2. computer_use/screenshot/linux.rs:13,18 — `or_else` on an async
   future can't short-circuit across awaits; the chain produced
   `Result<(), ..>` vs `Result<Future<..>, ..>` in the two arms,
   tripping E0277 ("() is not a future") and E0308 (mismatched
   types). Replace with a straightforward `match .. .await`.

3. computer_use/input/linux.rs:132 — E0515. `p.to_lowercase().as_str()`
   produced an `&str` borrowing a temporary `String` that drops at
   the end of the match arm. Rebind to a local and return owned
   `String`s; unknown keys pass through preserving original case.

Only test-windows in CI exercises host code on these paths;
test-rust-offline (Linux Docker) was the one catching these.
---
 crates/claude-code-rs/Cargo.toml              |  4 +-
 .../src/computer_use/input/linux.rs           | 49 ++++++++++---------
 .../src/computer_use/screenshot/linux.rs      | 17 +++----
 3 files changed, 36 insertions(+), 34 deletions(-)

diff --git a/crates/claude-code-rs/Cargo.toml b/crates/claude-code-rs/Cargo.toml
index 474306e3..631f2433 100644
--- a/crates/claude-code-rs/Cargo.toml
+++ b/crates/claude-code-rs/Cargo.toml
@@ -149,6 +149,9 @@ mime_guess = { workspace = true }
 tree-sitter = { workspace = true, optional = true }
 image = { workspace = true, optional = true }
 
+# 可执行文件查找 (sandbox/availability.rs 用它探测 bwrap/sandbox-exec)
+which = { workspace = true }
+
 [dev-dependencies]
 assert_cmd = { workspace = true }
 predicates = { workspace = true }
@@ -159,7 +162,6 @@ hex = { workspace = true }
 serde_json = { workspace = true }
 portable-pty = { workspace = true }
 vt100 = { workspace = true }
-which = { workspace = true }
 serial_test = { workspace = true }
 
 [target.'cfg(unix)'.dependencies]
diff --git a/crates/claude-code-rs/src/computer_use/input/linux.rs b/crates/claude-code-rs/src/computer_use/input/linux.rs
index 26b1d9e2..7130a3e4 100644
--- a/crates/claude-code-rs/src/computer_use/input/linux.rs
+++ b/crates/claude-code-rs/src/computer_use/input/linux.rs
@@ -105,31 +105,36 @@ async fn run_xdotool(args: &[&str]) -> anyhow::Result<String> {
 }
 
 fn map_key_to_xdotool(key: &str) -> String {
-    // xdotool uses X11 keysym names and "+" for combos
-    // Most common keys map directly
+    // xdotool uses X11 keysym names and "+" for combos.
+    // Most common keys map directly; unknowns pass through as-is.
     let parts: Vec<&str> = key.split('+').collect();
     parts
         .iter()
-        .map(|p| match p.to_lowercase().as_str() {
-            "ctrl" | "control" => "ctrl",
-            "alt" => "alt",
-            "shift" => "shift",
-            "super" | "cmd" | "command" | "meta" => "super",
-            "return" | "enter" => "Return",
-            "escape" | "esc" => "Escape",
-            "tab" => "Tab",
-            "backspace" | "back" => "BackSpace",
-            "delete" | "del" => "Delete",
-            "space" => "space",
-            "up" => "Up",
-            "down" => "Down",
-            "left" => "Left",
-            "right" => "Right",
-            "home" => "Home",
-            "end" => "End",
-            "pageup" | "page_up" => "Prior",
-            "pagedown" | "page_down" => "Next",
-            other => other,
+        .map(|p| {
+            // Rebind to a named local so `as_str()`'s borrow lives long enough.
+            let p_lower = p.to_lowercase();
+            match p_lower.as_str() {
+                "ctrl" | "control" => "ctrl".to_string(),
+                "alt" => "alt".to_string(),
+                "shift" => "shift".to_string(),
+                "super" | "cmd" | "command" | "meta" => "super".to_string(),
+                "return" | "enter" => "Return".to_string(),
+                "escape" | "esc" => "Escape".to_string(),
+                "tab" => "Tab".to_string(),
+                "backspace" | "back" => "BackSpace".to_string(),
+                "delete" | "del" => "Delete".to_string(),
+                "space" => "space".to_string(),
+                "up" => "Up".to_string(),
+                "down" => "Down".to_string(),
+                "left" => "Left".to_string(),
+                "right" => "Right".to_string(),
+                "home" => "Home".to_string(),
+                "end" => "End".to_string(),
+                "pageup" | "page_up" => "Prior".to_string(),
+                "pagedown" | "page_down" => "Next".to_string(),
+                // Unknown: preserve original case from the input.
+                _ => (*p).to_string(),
+            }
         })
         .collect::<Vec<_>>()
         .join("+")
diff --git a/crates/claude-code-rs/src/computer_use/screenshot/linux.rs b/crates/claude-code-rs/src/computer_use/screenshot/linux.rs
index 3de31a24..2c498784 100644
--- a/crates/claude-code-rs/src/computer_use/screenshot/linux.rs
+++ b/crates/claude-code-rs/src/computer_use/screenshot/linux.rs
@@ -7,17 +7,12 @@ pub async fn capture_full_screen() -> anyhow::Result<ScreenshotResult> {
     let tmp_file = tmp_dir.join(format!("cc_rust_screenshot_{}.png", std::process::id()));
     let tmp_path = tmp_file.to_str().unwrap();
 
-    // Try grim (Wayland) first, then scrot (X11)
-    let result = try_grim(tmp_path).await.or_else(|_| {
-        // try_scrot is sync-returning a future, so wrap
-        Ok::<_, anyhow::Error>(try_scrot(tmp_path))
-    });
-
-    // If grim succeeded, result is Ok(Ok(())). If grim failed, try scrot.
-    let _capture_result = match result {
-        Ok(fut) => fut.await,
-        Err(e) => Err(e),
-    }?;
+    // Try grim (Wayland) first, then scrot (X11).
+    // `or_else` can't short-circuit across awaits, so we dispatch manually.
+    match try_grim(tmp_path).await {
+        Ok(()) => {}
+        Err(_) => try_scrot(tmp_path).await?,
+    }
 
     let png_bytes = tokio::fs::read(&tmp_file).await?;
     let _ = tokio::fs::remove_file(&tmp_file).await;

From ef45df3fb9595efd11d78dabdb29ddebf3e98b9e Mon Sep 17 00:00:00 2001
From: crsei <Crsei@protonmail.com>
Date: Tue, 21 Apr 2026 02:21:48 -0400
Subject: [PATCH 5/5] refactor(workspace): P1.2 extract cc-observability leaf
 crate

Move observability/ (context/event/sink, 990 LOC) into a new
`cc-observability` workspace crate. Breaks the one remaining tie
to the root crate by injecting `runs_dir` into `AuditSink::init`
(previously called `crate::config::paths::runs_dir` directly).

main.rs keeps the `use cc_observability as observability;` alias so
all existing `crate::observability::...` paths resolve unchanged.

Acceptance (Phase 1, #70):
- crates/cc-observability/ created
- src/observability/ removed from root crate
- cargo build + cargo test pass (1794 bin tests, 10 cc-observability
  tests; 1 pre-existing flake `off_mode_skips_redaction` unchanged)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 Cargo.lock                                    | 14 ++++++++++++++
 Cargo.toml                                    |  1 +
 crates/cc-observability/Cargo.toml            | 14 ++++++++++++++
 .../src}/context.rs                           |  0
 .../src}/event.rs                             |  0
 .../mod.rs => cc-observability/src/lib.rs}    |  0
 .../src}/sink.rs                              | 19 +++++++++++++------
 crates/claude-code-rs/Cargo.toml              |  1 +
 crates/claude-code-rs/src/main.rs             |  8 +++++---
 9 files changed, 48 insertions(+), 9 deletions(-)
 create mode 100644 crates/cc-observability/Cargo.toml
 rename crates/{claude-code-rs/src/observability => cc-observability/src}/context.rs (100%)
 rename crates/{claude-code-rs/src/observability => cc-observability/src}/event.rs (100%)
 rename crates/{claude-code-rs/src/observability/mod.rs => cc-observability/src/lib.rs} (100%)
 rename crates/{claude-code-rs/src/observability => cc-observability/src}/sink.rs (95%)

diff --git a/Cargo.lock b/Cargo.lock
index bc1e37f9..83f349ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -491,6 +491,19 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "cc-observability"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "chrono",
+ "parking_lot",
+ "serde",
+ "serde_json",
+ "tracing",
+ "uuid",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -570,6 +583,7 @@ dependencies = [
  "base64",
  "bytes",
  "cc-keybindings",
+ "cc-observability",
  "chrono",
  "clap",
  "crossterm",
diff --git a/Cargo.toml b/Cargo.toml
index c51f1b66..249545fa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -121,6 +121,7 @@ parking_lot = "0.12"
 
 # 内部 crates (workspace split)
 cc-keybindings = { path = "crates/cc-keybindings" }
+cc-observability = { path = "crates/cc-observability" }
 
 # Daemon HTTP server
 axum = { version = "0.8", features = ["ws"] }
diff --git a/crates/cc-observability/Cargo.toml b/crates/cc-observability/Cargo.toml
new file mode 100644
index 00000000..b8357c5a
--- /dev/null
+++ b/crates/cc-observability/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "cc-observability"
+version = "0.1.0"
+edition = "2021"
+description = "Runtime audit event logging for cc-rust (single source of truth for traceable logs)"
+
+[dependencies]
+serde = { workspace = true }
+serde_json = { workspace = true }
+anyhow = { workspace = true }
+chrono = { workspace = true }
+uuid = { workspace = true }
+parking_lot = { workspace = true }
+tracing = { workspace = true }
diff --git a/crates/claude-code-rs/src/observability/context.rs b/crates/cc-observability/src/context.rs
similarity index 100%
rename from crates/claude-code-rs/src/observability/context.rs
rename to crates/cc-observability/src/context.rs
diff --git a/crates/claude-code-rs/src/observability/event.rs b/crates/cc-observability/src/event.rs
similarity index 100%
rename from crates/claude-code-rs/src/observability/event.rs
rename to crates/cc-observability/src/event.rs
diff --git a/crates/claude-code-rs/src/observability/mod.rs b/crates/cc-observability/src/lib.rs
similarity index 100%
rename from crates/claude-code-rs/src/observability/mod.rs
rename to crates/cc-observability/src/lib.rs
diff --git a/crates/claude-code-rs/src/observability/sink.rs b/crates/cc-observability/src/sink.rs
similarity index 95%
rename from crates/claude-code-rs/src/observability/sink.rs
rename to crates/cc-observability/src/sink.rs
index 2fb0f122..feea263b 100644
--- a/crates/claude-code-rs/src/observability/sink.rs
+++ b/crates/cc-observability/src/sink.rs
@@ -108,19 +108,26 @@ impl AuditSink {
     /// Initialize the audit sink for a session.
     ///
     /// Creates:
-    /// - `~/.cc-rust/runs/<session_id>/events.ndjson`
-    /// - `~/.cc-rust/runs/<session_id>/meta.json`
-    /// - `~/.cc-rust/runs/<session_id>/artifacts/`
+    /// - `<runs_dir>/events.ndjson`
+    /// - `<runs_dir>/meta.json`
+    /// - `<runs_dir>/artifacts/`
+    ///
+    /// `runs_dir` is the per-session output directory (resolved by the caller,
+    /// typically `~/.cc-rust/runs/<session_id>/`). Injecting it here keeps this
+    /// crate free of any dependency on the root config module.
     ///
     /// Returns `Ok(sink)` even if the directory cannot be created (sink becomes
     /// a no-op so the process can still run).
-    pub fn init(session_id: &str, meta: &SessionMeta, config: AuditConfig) -> Result<Self> {
+    pub fn init(
+        session_id: &str,
+        runs_dir: PathBuf,
+        meta: &SessionMeta,
+        config: AuditConfig,
+    ) -> Result<Self> {
         if !config.enabled {
             return Ok(Self::noop(config));
         }
 
-        let runs_dir = crate::config::paths::runs_dir(session_id);
-
         std::fs::create_dir_all(&runs_dir)
             .with_context(|| format!("Failed to create runs directory {}", runs_dir.display()))?;
 
diff --git a/crates/claude-code-rs/Cargo.toml b/crates/claude-code-rs/Cargo.toml
index 631f2433..6e02621d 100644
--- a/crates/claude-code-rs/Cargo.toml
+++ b/crates/claude-code-rs/Cargo.toml
@@ -133,6 +133,7 @@ parking_lot = { workspace = true }
 
 # 内部 workspace crates (P1)
 cc-keybindings = { workspace = true }
+cc-observability = { workspace = true }
 
 # Daemon
 axum = { workspace = true }
diff --git a/crates/claude-code-rs/src/main.rs b/crates/claude-code-rs/src/main.rs
index 44908cc0..ac10b37c 100644
--- a/crates/claude-code-rs/src/main.rs
+++ b/crates/claude-code-rs/src/main.rs
@@ -72,8 +72,9 @@ mod web;
 // Phase I: Shutdown and cleanup
 mod shutdown;
 
-// Observability: runtime audit event logging
-mod observability;
+// Observability lives in its own crate (`cc-observability`). Re-alias at the
+// crate root so existing `crate::observability::...` paths continue to resolve.
+use cc_observability as observability;
 
 // IPC headless mode
 mod ipc;
@@ -602,7 +603,8 @@ async fn run_full_init(cli: Cli) -> anyhow::Result<ExitCode> {
             source: source_mode.to_string(),
         };
 
-        match AuditSink::init(engine.session_id.as_str(), &meta, audit_config) {
+        let runs_dir = crate::config::paths::runs_dir(engine.session_id.as_str());
+        match AuditSink::init(engine.session_id.as_str(), runs_dir, &meta, audit_config) {
             Ok(sink) => {
                 let ctx = AuditContext::new(engine.session_id.as_str(), source_mode, sink);
                 // Emit session.start