diff --git a/CLAUDE.md b/CLAUDE.md
index e01bd9f..9ef9bb7 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -6,7 +6,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 A language-agnostic dependency manager for git repositories (Go, single binary) — a replacement for git submodules. Users declare deps in `graft.toml`, graft resolves them go.mod-style (tags or pseudo-versions) and pins exact commit SHAs plus content hashes in `graft.lock`; `graft apply` reconciles the vendor directory to match the lockfile exactly.
 
-**Current status: Milestones 1–4 implemented** — the full CLI (`init`/`add`/`remove`/`apply`/`lock`/`status`/`cache`), parallel apply, the per-project advisory lock, golden output tests, the release pipeline (`.goreleaser.yaml`, `install.sh`), and the global cache layer: the shared bare-repo cache (`internal/repocache`), the content-addressed store (`internal/store`, with reflink + `graft cache verify`/`prune`/`clean`), and link mode (`GRAFT_LINK_MODE`, registered in `internal/links`). Milestone 5 (ecosystem docs) is mostly done — the README already has CI usage examples (GitHub Actions, GitLab CI) and a comparison section; the documentation site remains unbuilt. The release pipeline is proven end-to-end (T3.4 done): `v0.0.1-beta.1` through `v0.0.1-beta.6` are published with multi-platform artifacts + `SHA256SUMS`. The project intentionally stays on a 0.x cadence (v0.0.1, v0.0.2, …) until it is very stable before cutting v1, so breaking changes are still permitted pre-1.0. Homebrew packaging is dropped for now — script install only. The source of truth is the design spec: the normative design (§1–§9) lives in the version-controlled `docs/design.zh-TW.md` (authoritative) with an English translation in `docs/design.md` — read it before implementing anything. Docs that must stay consistent with the spec: `docs/design.md` (English translation — keep in sync with the zh-TW doc), `docs/requirements.md` (the traceability matrix — see below), `docs/testing.md` (black-box testing manual), `README.md`, `README.zh-TW.md`. When changing behavior or design, update all of them.
+**Current status: Milestones 1–4 implemented** — the full CLI (`init`/`add`/`remove`/`apply`/`lock`/`status`/`cache`), parallel apply, the per-project advisory lock, golden output tests, the release pipeline (`.goreleaser.yaml`, `install.sh`), and the global cache layer: the shared bare-repo cache (`internal/repocache`), the content-addressed store (`internal/store`, with reflink + `graft cache verify`/`prune`/`clean`), and link mode (`GRAFT_LINK_MODE`, registered in `internal/links`). Milestone 5 (ecosystem docs) is mostly done — the README already has CI usage examples (GitHub Actions, GitLab CI) and a comparison section; the documentation site remains unbuilt. The release pipeline is proven end-to-end (T3.4 done): `v0.0.1-beta.1` through `v0.0.1-beta.7` are published with multi-platform artifacts + `SHA256SUMS`. The project intentionally stays on a 0.x cadence (v0.0.1, v0.0.2, …) until it is very stable before cutting v1, so breaking changes are still permitted pre-1.0. Homebrew packaging is dropped for now — script install only. The source of truth is the design spec: the normative design (§1–§9) lives in the version-controlled `docs/design.zh-TW.md` (authoritative) with an English translation in `docs/design.md` — read it before implementing anything. Docs that must stay consistent with the spec: `docs/design.md` (English translation — keep in sync with the zh-TW doc), `docs/requirements.md` (the traceability matrix — see below), `docs/testing.md` (black-box testing manual), `README.md`, `README.zh-TW.md`. When changing behavior or design, update all of them.
 
 Spec ↔ implementation conformance is machine-enforced by two tests:
 - `internal/clierr/spec_test.go` binds the §4.6 exit-code table in both design docs to the `clierr` constants; it fails if spec and implementation (or the two translations) drift.
diff --git a/README.md b/README.md
index 80aa562..03a73c2 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ $ graft apply
 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/min0625/graft/main/script/install.sh)"
 ```
 
-Auto-detects OS and architecture (Linux/macOS, x86_64/arm64), installs to `~/.local/bin`. Override with `GRAFT_INSTALL_DIR` or pin a version with `GRAFT_VERSION=v0.0.1-beta.1` (any tag on the [releases page](https://github.com/min0625/graft/releases)).
+Auto-detects OS and architecture (Linux/macOS, x86_64/arm64), installs to `~/.local/bin`. Override with `GRAFT_INSTALL_DIR` or pin a version with `GRAFT_VERSION=v0.0.1` (any tag on the [releases page](https://github.com/min0625/graft/releases)).
 
 **Windows (PowerShell)**
 
@@ -55,7 +55,7 @@ Auto-detects OS and architecture (Linux/macOS, x86_64/arm64), installs to `~/.lo
 irm https://raw.githubusercontent.com/min0625/graft/main/script/install.ps1 | iex
 ```
 
-Installs to `$HOME\.local\bin`. Override with `$env:GRAFT_INSTALL_DIR` or pin a version with `$env:GRAFT_VERSION = 'v0.0.1-beta.1'`.
+Installs to `$HOME\.local\bin`. Override with `$env:GRAFT_INSTALL_DIR` or pin a version with `$env:GRAFT_VERSION = 'v0.0.1'`.
 
 ### Manual download
 
diff --git a/README.zh-TW.md b/README.zh-TW.md
index f3841a5..d9e5111 100644
--- a/README.zh-TW.md
+++ b/README.zh-TW.md
@@ -47,7 +47,7 @@ $ graft apply
 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/min0625/graft/main/script/install.sh)"
 ```
 
-自動偵測 OS 與架構（Linux/macOS、x86_64/arm64），安裝到 `~/.local/bin`。可用 `GRAFT_INSTALL_DIR` 覆寫安裝位置，或用 `GRAFT_VERSION=v0.0.1-beta.1` 釘選版本（可用 [releases 頁面](https://github.com/min0625/graft/releases)上的任一 tag）。
+自動偵測 OS 與架構（Linux/macOS、x86_64/arm64），安裝到 `~/.local/bin`。可用 `GRAFT_INSTALL_DIR` 覆寫安裝位置，或用 `GRAFT_VERSION=v0.0.1` 釘選版本（可用 [releases 頁面](https://github.com/min0625/graft/releases)上的任一 tag）。
 
 **Windows（PowerShell）**
 
@@ -55,7 +55,7 @@ $ graft apply
 irm https://raw.githubusercontent.com/min0625/graft/main/script/install.ps1 | iex
 ```
 
-安裝到 `$HOME\.local\bin`。可用 `$env:GRAFT_INSTALL_DIR` 覆寫，或用 `$env:GRAFT_VERSION = 'v0.0.1-beta.1'` 釘選版本。
+安裝到 `$HOME\.local\bin`。可用 `$env:GRAFT_INSTALL_DIR` 覆寫，或用 `$env:GRAFT_VERSION = 'v0.0.1'` 釘選版本。
 
 ### 手動下載
 
diff --git a/script/install.ps1 b/script/install.ps1
index 41109e9..d4adabf 100644
--- a/script/install.ps1
+++ b/script/install.ps1
@@ -9,7 +9,7 @@
 .EXAMPLE
     irm https://raw.githubusercontent.com/min0625/graft/main/script/install.ps1 | iex
 .EXAMPLE
-    $env:GRAFT_VERSION = 'v0.0.1-beta.1'
+    $env:GRAFT_VERSION = 'v0.0.1'
     irm https://raw.githubusercontent.com/min0625/graft/main/script/install.ps1 | iex
 #>
 
diff --git a/script/install.sh b/script/install.sh
index 8dc80e7..12bf84f 100644
--- a/script/install.sh
+++ b/script/install.sh
@@ -133,7 +133,7 @@ main() {
     os="$(detect_os)"
     arch="$(detect_arch)"
 
-    # allow pinning version via env: GRAFT_VERSION=v0.0.1-beta.1
+    # allow pinning version via env: GRAFT_VERSION=v0.0.1
     version="${GRAFT_VERSION:-}"
     if [[ -z "${version}" ]]; then
         info "Fetching latest version..."