feat(ms-ai-architect): tune weekly KB cron and update README

- Remove file limit (was 10, now processes all critical+high+medium)
- Increase max-turns to 200 and timeout to 60min
- Add medium priority to update filter
- Update README KB note to reflect automated weekly updates

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins/ms-ai-architect/scripts/kb-update/weekly-kb-cron.mjs

@@ -18,7 +18,7 @@ const DATA_DIR = join(__dirname, 'data');
 const CLAUDE_BIN = '/Users/ktg/.local/bin/claude';
 const LOG_FILE = '/tmp/kb-cron.log';
 
-const MAX_UPDATE_FILES = 10;
+const MAX_UPDATE_FILES = Infinity;
 
 function log(msg) {
   const ts = new Date().toISOString();
@@ -83,7 +83,7 @@ if (critical + high === 0) {
 
 // Build list of stale files (critical + high only, max MAX_UPDATE_FILES)
 const staleFiles = (report.files || [])
-  .filter(f => f.priority === 'critical' || f.priority === 'high')
+  .filter(f => f.priority === 'critical' || f.priority === 'high' || f.priority === 'medium')
   .slice(0, MAX_UPDATE_FILES);
 
 log(`Spawning Claude to update ${staleFiles.length} stale files...`);
@@ -131,11 +131,12 @@ try {
   execFileSync(CLAUDE_BIN, [
     '-p', prompt,
     '--model', 'sonnet',
+    '--permission-mode', 'acceptEdits',
     '--allowedTools', 'Read,Edit,Bash,Glob,Grep,mcp__microsoft-learn__microsoft_docs_search,mcp__microsoft-learn__microsoft_docs_fetch',
-    '--max-turns', '30',
+    '--max-turns', '200',
   ], {
     stdio: 'inherit',
-    timeout: 15 * 60 * 1000,
+    timeout: 60 * 60 * 1000,
     cwd: PLUGIN_ROOT,
   });
   log('Claude session completed.');