Merge remote-tracking branch 'upstream/main' into feat/dws-devapp

# Conflicts:
#	CHANGELOG.md

scripts/install-skills.sh

@@ -19,6 +19,8 @@ set -eu
 REPO="DingTalk-Real-AI/dingtalk-workspace-cli"
 # China mirror: Gitee repo "owner/repo". When set, version + asset URLs resolve via Gitee API.
 GITEE_REPO="${DWS_GITEE_REPO:-}"
+# Auto-fallback Gitee mirror used when GitHub is unreachable (see pick_source).
+GITEE_FALLBACK_REPO="${DWS_GITEE_FALLBACK_REPO:-DingTalk-Real-AI/dingtalk-workspace-cli}"
 VERSION="${DWS_VERSION:-latest}"
 SKILL_NAME="dws"
 ROOT="${DWS_SKILLS_ROOT:-$PWD}"
@@ -48,6 +50,14 @@ gitee_api() {
   return 1
 }
 
+pick_source() {
+  [ -n "$GITEE_REPO" ] && return 0
+  [ "${DWS_NO_FALLBACK:-0}" = "1" ] && return 0
+  curl -fsS --connect-timeout 5 --max-time 12 -o /dev/null "https://github.com/${REPO}/releases/latest" 2>/dev/null && return 0
+  GITEE_REPO="$GITEE_FALLBACK_REPO"
+  printf '  ⚠ GitHub 不可达，自动切换国内 Gitee 镜像: %s\n' "$GITEE_REPO"
+}
+
 resolve_version() {
   if [ "$VERSION" = "latest" ]; then
     if [ -n "$GITEE_REPO" ]; then
@@ -199,6 +209,7 @@ install_skills_to_root() {
 
 main() {
   need_cmd curl
+  pick_source
   resolve_version
 
   printf '\n'

scripts/install.ps1

@@ -29,6 +29,8 @@ $Repo = "DingTalk-Real-AI/dingtalk-workspace-cli"
 $BinName = "dws"
 # China mirror: Gitee repo "owner/repo". When set, version + asset URLs resolve via the Gitee API.
 $GiteeRepo = if ($env:DWS_GITEE_REPO) { $env:DWS_GITEE_REPO } else { "" }
+# Auto-fallback Gitee mirror used when GitHub is unreachable (see Resolve-Source).
+$GiteeFallbackRepo = if ($env:DWS_GITEE_FALLBACK_REPO) { $env:DWS_GITEE_FALLBACK_REPO } else { "DingTalk-Real-AI/dingtalk-workspace-cli" }
 $InstallDir = if ($env:DWS_INSTALL_DIR) { $env:DWS_INSTALL_DIR } else { Join-Path $HOME ".local\bin" }
 $Version = if ($env:DWS_VERSION) { $env:DWS_VERSION } else { "latest" }
 $NoSkills = $env:DWS_NO_SKILLS -eq "1"
@@ -148,6 +150,20 @@ function Get-GiteeAssetUrl {
     return ""
 }
 
+function Resolve-Source {
+    # Explicit DWS_GITEE_REPO wins; else probe GitHub and fall back to Gitee when unreachable.
+    if ($GiteeRepo -ne "") { return }
+    if ($env:DWS_NO_FALLBACK -eq "1") { return }
+    try {
+        Invoke-WebRequest -Uri "https://github.com/$Repo/releases/latest" -Method Head `
+            -TimeoutSec 12 -UseBasicParsing -ErrorAction Stop 2>$null | Out-Null
+        return
+    } catch {
+        $script:GiteeRepo = $GiteeFallbackRepo
+        Write-Say "⚠ GitHub 不可达，自动切换国内 Gitee 镜像: $script:GiteeRepo"
+    }
+}
+
 function Resolve-LatestVersion {
     if ($Version -eq "latest") {
         if ($GiteeRepo -ne "") {
@@ -593,6 +609,10 @@ $SourceRoot = Resolve-SourceRoot
 
 Write-Banner
 
+# Pick GitHub vs Gitee mirror (auto-fallback when GitHub is unreachable).
+# Skipped when installing from a local source checkout (no download needed).
+if (-not $SourceRoot) { Resolve-Source }
+
 if (!$NoSkills) {
     Resolve-SkillMode
 }

scripts/install.sh

@@ -28,6 +28,11 @@ BIN_NAME="dws"
 # the Gitee API (https://gitee.com/api/v5) instead of GitHub. Gitee attachment URLs
 # carry an unstable numeric id, so every asset is resolved by name at install time.
 GITEE_REPO="${DWS_GITEE_REPO:-}"
+# Auto-fallback: when DWS_GITEE_REPO is not set, the installer probes GitHub and,
+# if it is unreachable (typical in mainland China), automatically switches to this
+# Gitee mirror — so a plain `curl … | sh` works everywhere with no env var.
+# Set DWS_NO_FALLBACK=1 to disable the probe and force GitHub.
+GITEE_FALLBACK_REPO="${DWS_GITEE_FALLBACK_REPO:-DingTalk-Real-AI/dingtalk-workspace-cli}"
 INSTALL_DIR="${DWS_INSTALL_DIR:-$HOME/.local/bin}"
 INSTALL_NAME="${DWS_INSTALL_NAME:-$BIN_NAME}"
 VERSION="${DWS_VERSION:-latest}"
@@ -153,6 +158,21 @@ detect_arch() {
   esac
 }
 
+# Decide the download source. An explicit DWS_GITEE_REPO always wins. Otherwise
+# probe GitHub Releases; if it is unreachable (typical in mainland China), switch
+# GITEE_REPO to the mirror so every subsequent resolve/download uses Gitee.
+pick_source() {
+  [ -n "$GITEE_REPO" ] && return 0
+  [ "${DWS_NO_FALLBACK:-0}" = "1" ] && return 0
+  if need_cmd curl; then
+    curl -fsS --connect-timeout 5 --max-time 12 -o /dev/null "https://github.com/${REPO}/releases/latest" 2>/dev/null && return 0
+  elif need_cmd wget; then
+    wget -q --timeout=12 --tries=1 -O /dev/null "https://github.com/${REPO}/releases/latest" 2>/dev/null && return 0
+  fi
+  GITEE_REPO="$GITEE_FALLBACK_REPO"
+  say "⚠ GitHub 不可达，自动切换国内 Gitee 镜像: ${GITEE_REPO}"
+}
+
 # Resolve the latest version tag from GitHub
 resolve_version() {
   if [ "$VERSION" = "latest" ]; then
@@ -615,6 +635,10 @@ main() {
 
   print_banner
 
+  # Pick GitHub vs Gitee mirror (auto-fallback when GitHub is unreachable).
+  # Skipped when installing from a local source checkout (no download needed).
+  [ -z "$source_root" ] && pick_source
+
   # Resolve skill mode only when we are actually going to touch skills.
   if [ "$NO_SKILLS" != "1" ]; then
     resolve_skill_mode