diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7dbc82f998..4f19dd9456 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [1.48.1.0] - 2026-05-28
+
+**`/setup` now mirrors support files and asset directories alongside SKILL.md so skills can read their own assets without path hacks.**
+
+Skills like `/review` and `/qa` ship with sidecars — `checklist.md`, `specialists/`, `bin/` — that their SKILL.md reads at runtime via `.claude/skills/<skill>/<file>`. Before this fix, `link_claude_skill_dirs` only symlinked `SKILL.md`, leaving every sidecar unreachable. Now `setup` iterates over sibling `.md` files and qualifying subdirectories and calls `_link_or_copy` for each, preserving Windows compatibility.
+
+### Itemized changes
+
+#### Fixed
+- `setup`: `link_claude_skill_dirs` now mirrors supporting `.md` files and subdirectories via `_link_or_copy` — fixes #1499
+
+#### Added
+- `test/gen-skill-docs.test.ts`: two new invariant tests asserting support file and directory mirroring
+
 ## [1.48.0.0] - 2026-05-26
 
 ## **Agents stop dropping AskUserQuestion options when there are 5+.** A new canonical preamble rule + runtime gate makes Conductor's 4-option cap a split-or-batch decision, not a silent trim.
diff --git a/VERSION b/VERSION
index 01934fdf4c..1a61024e40 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.48.0.0
+1.48.1.0
diff --git a/package.json b/package.json
index eb77faa516..66bb14f963 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gstack",
-  "version": "1.48.0.0",
+  "version": "1.48.1.0",
   "description": "Garry's Stack — Claude Code skills + fast headless browser. One repo, one install, entire AI engineering workflow.",
   "license": "MIT",
   "type": "module",
diff --git a/setup b/setup
index 163865731d..97383c6533 100755
--- a/setup
+++ b/setup
@@ -474,6 +474,28 @@ link_claude_skill_dirs() {
       # Validate target isn't a symlink before creating the link
       if [ -L "$target/SKILL.md" ]; then rm "$target/SKILL.md"; fi
       _link_or_copy "$gstack_dir/$dir_name/SKILL.md" "$target/SKILL.md"
+      # Mirror supporting .md files (checklist.md, greptile-triage.md, etc.)
+      # so SKILL.md can read them via .claude/skills/<skill>/<file>.
+      # Excludes SKILL.md (already linked above) and *.tmpl sources.
+      for support_file in "$gstack_dir/$dir_name"/*.md; do
+        [ -f "$support_file" ] || continue
+        fname="$(basename "$support_file")"
+        [ "$fname" = "SKILL.md" ] && continue
+        if [ -L "$target/$fname" ]; then rm "$target/$fname"; fi
+        _link_or_copy "$support_file" "$target/$fname"
+      done
+      # Mirror support asset directories (specialists/, references/, templates/, bin/, etc.)
+      # Excludes build and source dirs: dist, src, test, tests, scripts, node_modules.
+      for support_dir in "$gstack_dir/$dir_name"/*/; do
+        [ -d "$support_dir" ] || continue
+        sname="$(basename "$support_dir")"
+        case "$sname" in
+          dist|src|test|tests|scripts|node_modules) continue ;;
+        esac
+        if [ -L "$target/$sname" ]; then rm "$target/$sname"; fi
+        if [ -e "$target/$sname" ] && [ ! -L "$target/$sname" ]; then rm -rf "$target/$sname"; fi
+        _link_or_copy "$gstack_dir/$dir_name/$sname" "$target/$sname"
+      done
       linked+=("$link_name")
     fi
   done
diff --git a/test/gen-skill-docs.test.ts b/test/gen-skill-docs.test.ts
index 0a0c9741ba..9f6e7b2764 100644
--- a/test/gen-skill-docs.test.ts
+++ b/test/gen-skill-docs.test.ts
@@ -2287,6 +2287,33 @@ describe('setup script validation', () => {
     expect(claudeSection).toContain('link_claude_root_skill_alias "$SOURCE_GSTACK_DIR" "$INSTALL_SKILLS_DIR"');
   });
 
+  // FIX #1499: link function must also mirror supporting .md files and asset directories
+  // so SKILL.md Step 2 can read checklist.md, greptile-triage.md, specialists/, etc.
+  // via .claude/skills/<skill>/<file> without requiring gstack-prefixed paths.
+  test('link_claude_skill_dirs mirrors supporting .md files alongside SKILL.md', () => {
+    const fnStart = setupContent.indexOf('link_claude_skill_dirs()');
+    const fnEnd = setupContent.indexOf('}', setupContent.indexOf('linked[@]}', fnStart));
+    const fnBody = setupContent.slice(fnStart, fnEnd);
+    // Must iterate over sibling .md files in the skill source dir
+    expect(fnBody).toContain('for support_file in "$gstack_dir/$dir_name"/*.md');
+    // Must skip SKILL.md itself (already linked above)
+    expect(fnBody).toContain('[ "$fname" = "SKILL.md" ] && continue');
+    // Must use _link_or_copy (not raw ln -snf) for Windows compatibility
+    expect(fnBody).toContain('_link_or_copy "$support_file" "$target/$fname"');
+  });
+
+  test('link_claude_skill_dirs mirrors support asset directories (specialists/, bin/, etc.)', () => {
+    const fnStart = setupContent.indexOf('link_claude_skill_dirs()');
+    const fnEnd = setupContent.indexOf('}', setupContent.indexOf('linked[@]}', fnStart));
+    const fnBody = setupContent.slice(fnStart, fnEnd);
+    // Must iterate over subdirectories in the skill source dir
+    expect(fnBody).toContain('for support_dir in "$gstack_dir/$dir_name"/*/');
+    // Must exclude build and source dirs to avoid polluting the skill surface
+    expect(fnBody).toContain('dist|src|test|tests|scripts|node_modules');
+    // Must use _link_or_copy (not raw ln -snf) for Windows compatibility
+    expect(fnBody).toContain('_link_or_copy "$gstack_dir/$dir_name/$sname" "$target/$sname"');
+  });
+
   test('setup supports --host auto|claude|codex|kiro|opencode', () => {
     expect(setupContent).toContain('--host');
     expect(setupContent).toContain('claude|codex|kiro|factory|opencode|auto');