feat(core): add table actions (edit, pause, delete confirmation) and global action log

- Add Edit and Pause/Resume actions to connections table
- Add delete confirmation modal to secrets table
- Add 'paused' status to connections with full backend support
- Skip paused connections in health checks and secrets scanning
- Add global ActionLog service with filesystem persistence
- Instrument all mutation handlers (connections, secrets, pipelines) with action logging
- Add Action Log view with entity type filtering to dashboard

ts_interfaces/requests/actionlog.ts

@@ -0,0 +1,19 @@
+import * as plugins from '../plugins.ts';
+import * as data from '../data/index.ts';
+
+export interface IReq_GetActionLog extends plugins.typedrequestInterfaces.implementsTR<
+  plugins.typedrequestInterfaces.ITypedRequest,
+  IReq_GetActionLog
+> {
+  method: 'getActionLog';
+  request: {
+    identity: data.IIdentity;
+    limit?: number;
+    offset?: number;
+    entityType?: data.TActionEntity;
+  };
+  response: {
+    entries: data.IActionLogEntry[];
+    total: number;
+  };
+}