fix(bwcopilot): mount the shared skills tree at /nsls2/agents/skills

bin/bwcopilot

@@ -458,10 +458,10 @@ main() {
     # the read-only logical settings path.
     build_copilot_settings_mount
     # Deployment-managed skills are optional and never replace user-created
-    # skills under COPILOT_HOME.  Bind the deployment alias read-only after
+    # skills under COPILOT_HOME.  Bind the shared skills tree read-only after
     # user extra mounts so this narrow final mount cannot be shadowed writable.
-    if [[ -d /opt/nsls2/skills/skills && -r /opt/nsls2/skills/skills ]]; then
-        build_managed_ro_bind /opt/nsls2/skills/skills /opt/nsls2/skills/skills
+    if [[ -d /nsls2/agents/skills && -r /nsls2/agents/skills ]]; then
+        build_managed_ro_bind /nsls2/agents/skills /nsls2/agents/skills
     fi
 
     # Environment variables

bin/bwopencode

@@ -320,7 +320,8 @@ build_managed_config() {
     fi
 }
 
-# The host-managed skills alias may point into /opt/nsls2/skills.  Bind
+# The host-managed skills alias may point into the shared skills tree
+# (/nsls2/agents/skills).  Bind
 # its resolved source at OpenCode's documented managed-skills location so the
 # alias target and every supporting file remain available inside the sandbox.
 build_managed_skills() {

bin/bwopencode2

@@ -480,7 +480,8 @@ build_managed_config() {
     fi
 }
 
-# The host-managed skills alias may point into /opt/nsls2/skills.  Bind
+# The host-managed skills alias may point into the shared skills tree
+# (/nsls2/agents/skills).  Bind
 # its resolved source at OpenCode's documented managed-skills location so the
 # alias target and every supporting file remain available inside the sandbox.
 build_managed_skills() {

docs/bw-wrappers.md

@@ -30,17 +30,19 @@ configuration directories.
 - Codex: `/etc/codex/skills`
 - Claude: `/etc/claude-code/.claude/skills` and
   `/etc/claude-code/managed-settings.json`
-- Copilot: its deployment-defined shared-skill directory, when configured by
-  the wrapper
+- Copilot: the shared skills tree `/nsls2/agents/skills`, at the same path
+  inside the sandbox
 
 ## Shared agent skills
 
-Shared agent skills are a deployment-managed skill collection. The deployment
-defines the source repository or checkout and manages read-only aliases at the
-paths above. When those aliases are present, `bwopencode`, `bwopencode2`,
-`bwcodex`, and `bwclaude` mount them read-only into their sandboxes. A wrapper configured for
-Copilot likewise mounts its deployment-defined shared-skill directory
-read-only.
+Shared agent skills are a deployment-managed skill collection published to
+`/nsls2/agents/skills`. The deployment links the system skill directories above
+to it. When those links are present, `bwopencode`, `bwopencode2`, `bwcodex`,
+and `bwclaude` resolve them and mount the shared tree read-only at the same
+paths inside their sandboxes. `bwcopilot` has no system skill directory, so it
+mounts `/nsls2/agents/skills` read-only at that path; list it in Copilot's
+`skillDirectories` setting. `/nsls2/agents` itself is not mounted, so a skill
+refers to files beside it with relative paths such as `../_site/nsls2.md`.
 
 Contribute or update skills through the deployment's documented contribution
 workflow; do not edit its deployed checkout or managed aliases directly.