chore(harness): bump plugin version 0.1.2 -> 0.1.3

Ships the #63 fix (plugin-root vs consumer-root split) — the change that
makes the scripts actually work when run from the plugin install cache.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
Claude-Session: https://claude.ai/code/session_01NTZEsfFT4mrZpv8CY67Frd

Author: robercano

.claude/.claude-plugin/marketplace.json

@@ -4,13 +4,13 @@
     "name": "Roberto Cano"
   },
   "description": "Multi-agent orchestration harness: fan out sub-tasks to isolated worktree implementers, gate them, and route results through reviewers.",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "plugins": [
     {
       "name": "orchestrator",
       "source": "./",
       "description": "Multi-agent orchestration harness: fan out sub-tasks to isolated worktree implementers, gate them, and route results through reviewers.",
-      "version": "0.1.2",
+      "version": "0.1.3",
       "author": {
         "name": "Roberto Cano"
       }

.claude/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "orchestrator",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "Multi-agent orchestration harness: fan out sub-tasks to isolated worktree implementers, gate them, and route results through reviewers.",
   "author": { "name": "Roberto Cano" }
 }