Fix local link: peer packages invisible outside profile tree.

Path installs junction the checkout outside ~/.dsh/profiles/*/node_modules, so Node cannot see DSH peers; add link-dsh-peers scripts and document the one-time setup.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/link-dsh-peers.ps1

@@ -0,0 +1,56 @@
+# Link DSH peer packages into this checkout for local `dsh plugin add <path>` / `link:`.
+#
+# Node resolves imports from the realpath of a linked package. A junction out of
+# ~/.dsh/profiles/<name>/node_modules therefore cannot see the profile's
+# hoisted peers or the healed profiles/node_modules fallback. Point the peers
+# this package imports at the shared installation copy instead.
+#
+# Usage (PowerShell):
+#   .\scripts\link-dsh-peers.ps1
+# Optional:
+#   .\scripts\link-dsh-peers.ps1 -DshHome $env:DSH_HOME
+
+param(
+  [string]$DshHome = $(if ($env:DSH_HOME) { $env:DSH_HOME } else { Join-Path $env:USERPROFILE '.dsh' })
+)
+
+$ErrorActionPreference = 'Stop'
+$Root = Split-Path -Parent $PSScriptRoot
+$SrcRoot = Join-Path $DshHome 'profiles\node_modules\@deepseek-ai'
+$DstRoot = Join-Path $Root 'node_modules\@deepseek-ai'
+
+# Runtime imports from src/index.ts (and peers they commonly need nearby).
+$Peers = @(
+  'schemastery',
+  'cordis',
+  'dsh-credentials',
+  'dsh-settings',
+  'dsh-mcp-client',
+  'dsh-tools'
+)
+
+if (-not (Test-Path $SrcRoot)) {
+  throw "DSH installation fallback missing: $SrcRoot`nRun ``dsh web`` once (or any profile) so dsh heals profiles/node_modules."
+}
+
+New-Item -ItemType Directory -Force -Path $DstRoot | Out-Null
+
+foreach ($name in $Peers) {
+  $src = Join-Path $SrcRoot $name
+  $dst = Join-Path $DstRoot $name
+  if (-not (Test-Path $src)) {
+    throw "Peer not found under installation fallback: $src"
+  }
+  if (Test-Path $dst) {
+    $item = Get-Item $dst -Force
+    if ($item.LinkType -eq 'Junction' -or $item.Attributes -band [IO.FileAttributes]::ReparsePoint) {
+      cmd /c "rmdir `"$dst`""
+    } else {
+      Remove-Item -Recurse -Force $dst
+    }
+  }
+  New-Item -ItemType Junction -Path $dst -Target $src | Out-Null
+  Write-Host "linked @deepseek-ai/$name -> $src"
+}
+
+Write-Host "Done. Re-run: dsh web"