chore: bump version to 9.7.2 · plain

Warm Precision UI redesign, task-based navigation, interaction system,
website and docs restyled. 30+ commits on warm-precision-redesign
branch, merged to main.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/website/index.html

@@ -54,7 +54,7 @@
       "Zero-knowledge authentication (SRP-6a)"
     ],
     "softwareRequirements": "Docker, PostgreSQL 17, Redis, NATS",
-    "softwareVersion": "9.7.1",
+    "softwareVersion": "9.7.2",
     "license": "https://mariadb.com/bsl11/"
   }
   </script>
@@ -545,7 +545,7 @@
       <section class="wp-section">
         <h2>Status</h2>
         <table class="wp-status-table">
-          <tr><td>Version</td><td>9.7.1</td></tr>
+          <tr><td>Version</td><td>9.7.2</td></tr>
           <tr><td>License</td><td>BSL 1.1 (converts to Apache 2.0 in 2030)</td></tr>
           <tr><td>Free tier</td><td>250 devices</td></tr>
           <tr><td>Stability</td><td>Breaking changes expected before v11</td></tr>