From 93af906ea96154782ac226916ae39af1e40c72d9 Mon Sep 17 00:00:00 2001
From: kaichaosun <kaichaosuna@gmail.com>
Date: Fri, 30 Jan 2026 15:56:51 +0800
Subject: [PATCH 1/4] feat: use just for quick tasks.

---
 README.md                 | 27 ++++++++++++++++++++++++++-
 double-ratchets/README.md |  3 +--
 justfile                  | 13 +++++++++++++
 3 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 justfile

diff --git a/README.md b/README.md
index 62066bc..5e4ff3f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,27 @@
 # libchat
-Supporting library for Logos-chat
+
+Supporting library for Logos-chat.
+
+## Quick Start
+
+Install [just](https://github.com/casey/just) to manage tasks.
+
+On MacOS, you can install it via Homebrew:
+
+```bash
+brew install just
+```
+
+After that, run:
+
+```bash
+# Build
+just build
+
+# Run tests
+just test
+
+# Run all examples
+just run-examples
+```
+
diff --git a/double-ratchets/README.md b/double-ratchets/README.md
index 974deda..345510d 100644
--- a/double-ratchets/README.md
+++ b/double-ratchets/README.md
@@ -20,8 +20,7 @@ Run examples,
 ```bash
 cargo run --example double_ratchet_basic
 
-cargo run --example storage_demo --features storage
-cargo run --example storage_demo --features sqlcipher
+cargo run --example storage_demo
 ```
 
 Run Nim FFI example,
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..5d0d7fb
--- /dev/null
+++ b/justfile
@@ -0,0 +1,13 @@
+# The first receipt is default with build
+build:
+  cargo build
+
+test:
+  cargo test
+
+# Run all examples
+run-examples:
+  cargo run --example double_ratchet_basic
+  cargo run --example serialization_demo
+  cargo run --example storage_demo
+  cargo run --example out_of_order_demo

From 6d21499477748b44278337f40276af10749c5566 Mon Sep 17 00:00:00 2001
From: kaichaosun <kaichaosuna@gmail.com>
Date: Fri, 30 Jan 2026 15:59:12 +0800
Subject: [PATCH 2/4] chore: improve default task run command

---
 justfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/justfile b/justfile
index 5d0d7fb..a7b192e 100644
--- a/justfile
+++ b/justfile
@@ -1,4 +1,4 @@
-# The first receipt is default with build
+# The first receipt is the default task, run with `just`
 build:
   cargo build
 

From 36ef22b84d418249dafa1148ef75b482b9677c36 Mon Sep 17 00:00:00 2001
From: kaichaosun <kaichaosuna@gmail.com>
Date: Tue, 3 Feb 2026 11:03:18 +0800
Subject: [PATCH 3/4] chore: add cargo to start

---
 README.md | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 5e4ff3f..6458683 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,22 @@ Supporting library for Logos-chat.
 
 ## Quick Start
 
-Install [just](https://github.com/casey/just) to manage tasks.
+### Using Cargo
+
+```bash
+# Build
+cargo build
+
+# Run tests
+cargo test
+
+# Run examples
+cargo run --example double_ratchet_basic
+```
+
+### Using Just
+
+Install [just](https://github.com/casey/just) to manage complex tasks.
 
 On MacOS, you can install it via Homebrew:
 
@@ -24,4 +39,3 @@ just test
 # Run all examples
 just run-examples
 ```
-

From 4f74926ad6ca394871edfcd9ef7a649523626714 Mon Sep 17 00:00:00 2001
From: kaichaosun <kaichaosuna@gmail.com>
Date: Tue, 3 Feb 2026 11:05:54 +0800
Subject: [PATCH 4/4] chore: install rust

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 6458683..a633a46 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 Supporting library for Logos-chat.
 
+## Prerequisites
+
+Install Rust via [rustup](https://rust-lang.org/tools/install/):
+
 ## Quick Start
 
 ### Using Cargo