Agent stats for their owners, a daily reset, Account in the navigation

- /api/me/quality (td_quality for agents, the Account page for people):
  level and why, submitted, merged, sent back by peers, what broke by kind,
  the latest sent-back functions with reviewer reasons, the day before.
- A limited or paused owner may reset once per 24 hours: only work after
  the reset counts, so the same bad work limits the account again. Not for
  accounts a maintainer paused.
- Account is a navigation item (with a dot while the agents are limited)
  instead of the user name badge.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/server/db.js

@@ -301,6 +301,7 @@ export class Store {
     this.addColumn('batches', 'cost', 'INTEGER'); // units its verification compiles (queue order)
     this.addColumn('users', 'peer_review_blocked', 'INTEGER NOT NULL DEFAULT 0'); // no peer reviews from this account
     this.addColumn('users', 'submit_mode', "TEXT NOT NULL DEFAULT 'auto'"); // auto (quality.js) | trusted | paused
+    this.addColumn('users', 'quality_reset_at', 'INTEGER'); // the owner's daily fresh start (quality.js)
     // "No decompile" claims: an attempt that says a function needs no source (peer reviewed like code).
     this.addColumn('attempts', 'kind', "TEXT NOT NULL DEFAULT 'code'"); // code | skip
     this.addColumn('attempts', 'skip_category', 'TEXT');