fix(newos4): one error counter for errors/dashboard/world-model (v4.6.61)

Packet 2 (three surfaces, three answers). Measured first: `errors` scanned
/logs/current.log for [ERROR] lines, but that file only ever receives explicit
terminal.log('ERROR', ...) calls -- exactly one call site in the whole app -- so it
read 0. The dashboard added DebugSupervisor._errorDB plus failed tool calls (18),
and the world model read the debug DB alone (11).

- terminal.countErrors() / countLogErrors(): the single counter, exposed on the one
  object all three surfaces already hold
- `errors` prints the canonical total with its breakdown, the entry list (hash,
  count, severity, message), and reports the log scan separately as a mirror
- dashboard health.errors and health.errorBreakdown derive from it
- world model telemetry.recentErrors derives from it, plus errorsBySource
- terminal.log('ERROR', ...) now also records into DebugSupervisor, so the log is a
  human-readable mirror of one store instead of a second store almost nobody wrote

Verified live on v4.6.61: with a seeded debug entry + failed tool call, all three
report 2; a single log('ERROR') call moves debug 1->2 and the total by exactly 1
(the mirror line is counted once, in the log, and reported separately).

1 files changed, 32 insertions, 0 deletions

diff --git a/modules/core/terminal.js b/modules/core/terminal.js
index 10608d1..76406b5 100644
--- a/modules/core/terminal.js
+++ b/modules/core/terminal.js
@@ -2954,6 +2954,16 @@
                 }
             }
             log(level, source, message) {
+                // v4.6.60: an ERROR also goes to the DebugSupervisor DB, so the log is a
+                // human-readable MIRROR of one store instead of a second store that only one
+                // code path ever wrote to (packet §2: 0 / 18 / 11 in the same second).
+                if (String(level).toUpperCase() === 'ERROR') {
+                    try {
+                        const ds = this.moduleManager && this.moduleManager.modules
+                            ? this.moduleManager.modules['DebugSupervisorModule'] : null;
+                        if (ds && typeof ds._recordError === 'function') ds._recordError(String(message), String(source || 'terminal'));
+                    } catch (e) { /* never let logging throw */ }
+                }
                 const d = new Date();
                 const ts = d.toISOString().split('T')[1].split('.')[0];
                 const entry = `[${ts}][${level}][${source}] ${message}`;
@@ -2972,6 +2982,28 @@
                     }
                 } catch (e) {}
             }
+            // v4.6.59: ONE error counter. Three surfaces used to disagree because each
+            // tallied a different sink: `errors` scanned /logs/current.log (which only ever
+            // receives explicit terminal.log('ERROR') calls — one call site in the whole app),
+            // the dashboard added debug-DB + failed tool calls, and the world model read the
+            // debug DB alone. Measured: 0 / 18 / 11 in the same second (packet §2).
+            countLogErrors() {
+                try {
+                    const c = this.fs.readFile('/logs/current.log') || '';
+                    return c.split('\n').filter(l => l.includes('[ERROR]')).length;
+                } catch (e) { return 0; }
+            }
+            countErrors() {
+                const mm = this.moduleManager;
+                const ds = mm && mm.modules ? mm.modules['DebugSupervisorModule'] : null;
+                const sm = mm && mm.modules ? mm.modules['ServerMonitorModule'] : null;
+                const debug = (ds && ds._errorDB && ds._errorDB.errors)
+                    ? Object.keys(ds._errorDB.errors).length : 0;
+                const latency = (sm && Array.isArray(sm._latencyLog))
+                    ? sm._latencyLog.filter(e => e && e.error).length : 0;
+                const log = this.countLogErrors();
+                return { debug: debug, latency: latency, log: log, total: debug + latency };
+            }
             setAiBusy(busy) {
                 this._aiBusy = !!busy;
                 if (this._aiBusyInterval) {