From 792f2fae4c8d2ff28f1fb90df6927f539b3ad87f Mon Sep 17 00:00:00 2001
From: DaiChaoXiong <focus1024@foxmail.com>
Date: Sun, 9 Aug 2026 21:35:58 +0800
Subject: [PATCH] docs(workspace): whitelist ratatui/crossterm for focus-tui
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Terminal interaction (raw mode, incremental redraw, scrolling, mouse, keys)
is a genuine need that pure std cannot reasonably solve, so AGENTS.md §2.1
now exempts ratatui + crossterm for focus-tui only (transitives follow).
Workspace gains the focus-tui member and the 7-crate layout is documented.
---
 .gitignore |    2 +
 AGENTS.md  |   26 +-
 Cargo.lock | 1592 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml |    2 +
 4 files changed, 1609 insertions(+), 13 deletions(-)

diff --git a/.gitignore b/.gitignore
index 4a2181c..a15e801 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 
 /pi-main
 /pi_agent_rust-main
+
+.VSCodeCounter
\ No newline at end of file
diff --git a/AGENTS.md b/AGENTS.md
index f527f26..f19d4a4 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -77,6 +77,7 @@ let b = self.buf.pop_front();
 |---|---|---|
 | 异步运行时 | `tokio` | `tokio`（features 按需，见下） |
 | TLS | rustls 生态 | `rustls`、`tokio-rustls`、`rustls-native-certs`（或 `webpki-roots`） |
+| TUI 渲染 | `ratatui` + `crossterm` | 仅 `focus-tui` 可用。终端交互（原始模式、增量重绘、滚动、鼠标、键盘事件）属于纯 std 无法合理解决的**真实需求**，故特批；`ratatui` 的传递依赖（`crossterm`、`unicode-width` 等）随其引入。其余 crate 一律禁止引用 |
 
 **这就是全部。** 以下 crate **明确禁止**：
 - ❌ `serde` / `serde_json` — JSON 用自研 `focus-json` crate
@@ -110,8 +111,8 @@ let b = self.buf.pop_front();
 
 ## 3. Workspace 结构
 
-细粒度 6-crate 拆分，每个 crate 职责单一、边界清晰、可独立测试。
-（`focus-cli` 已删除；TUI 交互层将在后续里程碑以新 crate 加入，届时再更新本图。）
+细粒度 7-crate 拆分，每个 crate 职责单一、边界清晰、可独立测试。
+（`focus-cli` 已删除，由 `focus-tui` 替代。）
 
 ```text
 focus/
@@ -123,8 +124,9 @@ focus/
 │   ├── focus-core/                 # agent 层：类型 + 循环 + Tool trait
 │   ├── focus-transport/            # Transport trait + HTTP/1.1 + TLS + SSE 解析
 │   ├── focus-providers/            # provider 实现（Anthropic / OpenAI）
-│   ├── focus-tools/                # 文件工具（read / write / bash）
-│   └── focus-harness/              # 会话持久化 + 上下文压缩 + 系统提示模板
+│   ├── focus-tools/                # 文件工具（read / write / edit / shell）
+│   ├── focus-harness/              # 会话持久化 + 上下文压缩 + 系统提示模板
+│   └── focus-tui/                  # 终端交互层（ratatui + crossterm）
 ├── docs/
 │   └── architecture/               # 架构解读文档（已存在）
 └── tests/                          # workspace 级集成测试（可选）
@@ -137,8 +139,9 @@ focus-json        ←  （零外部依赖，纯 std）
 focus-core        ←  focus-json, tokio
 focus-transport   ←  focus-json, tokio, rustls, tokio-rustls, rustls-native-certs
 focus-providers   ←  focus-core, focus-transport
-focus-tools       ←  focus-core, tokio
+focus-tools       ←  focus-core
 focus-harness     ←  focus-core, focus-json
+focus-tui        ←  focus-core, focus-providers, focus-tools, focus-harness, focus-json, ratatui, crossterm
 ```
 
 **规则**：
@@ -181,11 +184,14 @@ focus-harness     ←  focus-core, focus-json
 - **会话存储**：参考 pi 的设计——树结构（每条 entry 有 `id` + `parentId`），JSONL 追加写。
 - **测试**：会话树的构建/查询/分支、压缩的 token 估算与切点算法。
 
-#### `focus-cli` — 已删除（由 TUI 替代）
-- `focus-cli` 已彻底删除（不再作为 workspace 成员）。后续里程碑将新增 TUI crate
-  （届时命名，如 `focus-tui`），承担**组装**职责：provider + tools + harness 的装配、
-  base_url / api_key / model 等配置（provider 构造时传入）、动态系统提示注入、
-  自动上下文压缩的执行（harness 产出方案 → 调 provider 摘要 → `Agent::replace_messages` 写回）。
+#### `focus-tui` — 终端交互层（组装职责）
+- **内容**：provider + tools + harness 的装配、base_url / api_key / model 等配置
+  （`~/.focus/config.json`，TUI 内 `/config` 编辑；provider 构造时传入）、动态系统
+  提示注入（方案 E 的 Usage/上下文占用）、自动上下文压缩的执行（harness 产出方案 →
+  调 provider 摘要 → `Agent::replace_messages` 写回）、会话持久化（`~/.focus/sessions/`）。
+- **交互**：多行输入、流式显示、Esc 中止、折叠的思考/工具块（显示耗时与内容摘要，
+  点击或 Tab 展开）、命令（`/new` `/sessions` `/config` `/compact`）。
+- **禁止**：把业务逻辑放这里。这里只做**组装与呈现**。
 
 ## 4. 代码规范
 
diff --git a/Cargo.lock b/Cargo.lock
index bcdc64b..386b4db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,18 +2,126 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c982642fa9e8606056828ee9a8505737230110bb1099153c79efe865c59d12ba"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
+[[package]]
+name = "anyhow"
+version = "1.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
+
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "atomic"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a89cbf775b137e9b968e67227ef7f775587cde3fd31b0d8599dbd0f598a48340"
+dependencies = [
+ "bytemuck",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
+
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
+name = "bit-set"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
 [[package]]
 name = "bitflags"
 version = "2.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b588b76d00fde79687d7646a9b5bdf3cc0f655e0bbd080335a95d7e96f3587da"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.20.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72f5acc6cb2ba439de613abc23857ec3d78374d8ed5ac84e9d11336e87da8649"
+
+[[package]]
+name = "by_address"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64fa3c856b712db6612c019f14756e64e4bcea13337a6b33b696333a9eaa2d06"
+
+[[package]]
+name = "bytemuck"
+version = "1.25.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95832e849adfb21180ccb6826a99da14e5d266ae5c2e668e1602cf234f153797"
+
 [[package]]
 name = "bytes"
 version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc652a48c352aef3ea3aed32080501cf3ef6ed5da78602a020c991775b0aff04"
 
+[[package]]
+name = "castaway"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dec551ab6e7578819132c713a93c022a05d60159dc86e7a7050223577484c55a"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "cc"
 version = "1.2.67"
@@ -30,6 +138,35 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f079e83a288787bcd14a6aea84cee5c87a67c5a3e660c30f557a3d24761b3527"
+
+[[package]]
+name = "compact_str"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dfdd1c2274d9aa354115b09dc9a901d6c5576818cdf70d14cae2bdb47df00ab"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "static_assertions",
+]
+
+[[package]]
+name = "convert_case"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "633458d4ef8c78b72454de2d54fd6ab2e60f9e02be22f3c6104cdc8a4e0fceb9"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -46,6 +183,183 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "critical-section"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
+
+[[package]]
+name = "crossterm"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "829d955a0bb380ef178a640b91779e3987da38c9aea133b20614cfed8cdea9c6"
+dependencies = [
+ "bitflags 2.13.1",
+ "crossterm_winapi",
+ "mio",
+ "parking_lot",
+ "rustix 0.38.44",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8b9f2e4c67f833b660cdb0a3523065869fb35570177239812ed4c905aeff87b"
+dependencies = [
+ "bitflags 2.13.1",
+ "crossterm_winapi",
+ "derive_more",
+ "document-features",
+ "mio",
+ "parking_lot",
+ "rustix 1.1.4",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acdd7c62a3665c7f6830a51635d9ac9b23ed385797f70a83bb8bafe9c572ab2b"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "csscolorparser"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb2a7d3066da2de787b7f032c736763eb7ae5d355f81a68bab2675a96008b0bf"
+dependencies = [
+ "lab",
+ "phf",
+]
+
+[[package]]
+name = "darling"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88490bf1b990d87eaaa7ac8aa887f629a08e7359765b4911faf63c3763347d23"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "084e274f91c482280130e1e34e0b8d6e66776a060d7b6de7b84289ca778868c4"
+dependencies = [
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 3.0.3",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68f5792fa0d41cd2325ce0ffa64f0a340eaebd4971a3a0c5e1ffd2cc488a355e"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 3.0.3",
+]
+
+[[package]]
+name = "deltae"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5729f5117e208430e437df2f4843f5e5952997175992d1414f94c57d61e270b4"
+
+[[package]]
+name = "deranged"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
+
+[[package]]
+name = "derive_more"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d751e9e49156b02b44f9c1815bcb94b984cdcc4396ecc32521c739452808b134"
+dependencies = [
+ "derive_more-impl",
+]
+
+[[package]]
+name = "derive_more-impl"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "799a97264921d8623a957f6c3b9011f3b5492f557bbb7a5a19b7fa6d06ba8dcb"
+dependencies = [
+ "convert_case",
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
+[[package]]
+name = "document-features"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4b8a88685455ed29a21542a33abd9cb6510b6b129abadabdcef0f4c55bc8f61"
+dependencies = [
+ "litrs",
+]
+
+[[package]]
+name = "either"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e5e8f6c15a24b9a3ee5efec809ccd006d3b30e8b3bb63c39af737c7f87daa1d"
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "errno"
 version = "0.3.14"
@@ -56,12 +370,60 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "euclid"
+version = "0.22.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1a05365e3b1c6d1650318537c7460c6923f1abdd272ad6842baa2b509957a06"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "fancy-regex"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b95f7c0680e4142284cf8b22c14a476e87d61b004a3a0861872b32ef7ead40a2"
+dependencies = [
+ "bit-set",
+ "regex",
+]
+
+[[package]]
+name = "filedescriptor"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e40758ed24c9b2eeb76c35fb0aebc66c626084edd827e07e1552279814c6682d"
+dependencies = [
+ "libc",
+ "thiserror 1.0.69",
+ "winapi",
+]
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
 
+[[package]]
+name = "finl_unicode"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9844ddc3a6e533d62bba727eb6c28b5d360921d5175e9ff0f1e621a5c590a4d5"
+
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "focus-core"
 version = "0.1.0"
@@ -112,6 +474,59 @@ dependencies = [
  "tokio-rustls",
 ]
 
+[[package]]
+name = "focus-tui"
+version = "0.1.0"
+dependencies = [
+ "crossterm 0.28.1",
+ "focus-core",
+ "focus-harness",
+ "focus-json",
+ "focus-providers",
+ "focus-tools",
+ "ratatui",
+]
+
+[[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
+[[package]]
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+ "windows-sys 0.61.2",
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@@ -253,6 +1321,18 @@ dependencies = [
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+
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@@ -262,13 +1342,19 @@ dependencies = [
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 dependencies = [
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+ "bitflags 2.13.1",
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@@ -285,12 +1371,80 @@ dependencies = [
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+ "signal-hook",
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+dependencies = [
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@@ -352,7 +1716,7 @@ checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
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+ "syn 2.0.119",
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+ "deltae",
+ "lazy_static",
+ "wezterm-dynamic",
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+ "log",
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+ "thiserror 1.0.69",
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+checksum = "7012add459f951456ec9d6c7e6fc340b1ce15d6fc9629f8c42853412c029e57e"
+dependencies = [
+ "bitflags 1.3.2",
+ "euclid",
+ "lazy_static",
+ "serde",
+ "wezterm-dynamic",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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+
 [[package]]
 name = "windows-link"
 version = "0.2.1"
@@ -471,6 +2051,12 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+
 [[package]]
 name = "zeroize"
 version = "1.9.0"
diff --git a/Cargo.toml b/Cargo.toml
index 04cb571..908cb34 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ members = [
     "crates/focus-providers",
     "crates/focus-tools",
     "crates/focus-harness",
+    "crates/focus-tui",
 ]
 
 # Shared dependency versions. Member crates reference these with
@@ -37,6 +38,7 @@ focus-transport = { path = "crates/focus-transport" }
 focus-providers = { path = "crates/focus-providers" }
 focus-tools = { path = "crates/focus-tools" }
 focus-harness = { path = "crates/focus-harness" }
+focus-tui = { path = "crates/focus-tui" }
 
 [profile.release]
 lto = true