feat(map-repo): platform-neutral root resolution and survey

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

skills/map-repo/SKILL.md

@@ -1,6 +1,6 @@
 ---
 name: map-repo
-description: Use when generating or refreshing a codebase's triage profile for the gw-triage plugin — run from inside the repo to map. Triggers on /map-repo, "mappa questo repo", "aggiorna il profilo di triage".
+description: Use when generating or refreshing a codebase's triage profile for the gw-triage plugin — run from inside the repo to map. Triggers on /gw-triage:map-repo, $map-repo, "mappa questo repo", "aggiorna il profilo di triage".
 ---
 
 # Map-repo — profilo di triage del codebase
@@ -12,6 +12,13 @@ and guide them to publish it to the gw-triage plugin repo.
 profile is written in English (it is read by the triage model, not by
 humans).
 
+## Environment
+
+**Root**: `${CLAUDE_PLUGIN_ROOT}` if that variable is set; otherwise
+the real path of this skill's own directory (resolve symlinks, e.g.
+with `realpath`), two levels up. Paths below marked `<root>` are
+relative to it.
+
 ## Step 1 — Identify the repo
 
 - `git rev-parse --show-toplevel` — if not a git repo, ask (Italian)
@@ -20,8 +27,11 @@ humans).
 
 ## Step 2 — Survey
 
-Read `${CLAUDE_PLUGIN_ROOT}/knowledge/README.md` (the profile format).
-Dispatch ONE exploration subagent with this prompt, filling <repo-path>:
+Read `<root>/knowledge/README.md` (the profile format).
+If the platform supports dispatching subagents, dispatch ONE
+exploration subagent with the prompt below, filling <repo-path>;
+otherwise perform the same survey yourself, covering all six points
+before writing anything:
 
 > Survey the codebase at <repo-path> to build a triage profile.
 > Report back, with file evidence: (1) what the system does — main
@@ -48,7 +58,7 @@ Write it to a temporary location first (the session scratchpad or
 Ask (Italian) for the local path of the user's gw-triage checkout;
 offer to `git clone <plugin-repo-url>` if they don't have one (read
 the URL from `git remote get-url origin` run in
-`${CLAUDE_PLUGIN_ROOT}` if available, otherwise ask).
+`<root>` if available, otherwise ask).
 
 With the user's confirmation, in the checkout:
 1. Copy the profile to `knowledge/<repo-name>.md` (overwrite if
@@ -59,4 +69,5 @@ With the user's confirmation, in the checkout:
    then `git commit -m "knowledge: add/update <repo-name> profile"`
    — ask before committing, and ask again before `git push`.
 4. Tell the user (Italian) that teammates receive the update with
-   `/plugin marketplace update gw-triage`.
+   `/plugin marketplace update gw-triage` on Claude Code, or with
+   `git pull` in their gw-triage clone on Codex.