gui: add Delivered + Confirmed (acked) columns to consumers page (#119)

Surfaces ConsumerInfo.delivered.consumer_seq (total delivered) and
ConsumerInfo.ack_floor.consumer_seq (total acknowledged) as new columns
on the /consumers page between WAITING and CREATED.

Reuses the existing ConsumerInfo objects already fetched — no new NATS
calls. Both fields use safe getattr access and render '—' when None.
Legend updated to clarify these are consumer-level counters, not
end-to-end mesh delivery confirmation.

Bump version 0.14.8 → 0.14.9.

Co-authored-by: Ubuntu <zvx@cortex.echo6.co>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "central"
-version = "0.14.8"
+version = "0.14.9"
 requires-python = ">=3.12,<3.13"
 description = "Data hub spine — adapters, bus, archive."
 readme = "README.md"

src/central/gui/routes.py

@@ -2224,6 +2224,8 @@ async def consumers_list(request: Request) -> HTMLResponse:
                         "num_ack_pending": ci.num_ack_pending,
                         "num_redelivered": ci.num_redelivered,
                         "num_waiting": ci.num_waiting,
+                        "delivered": getattr(getattr(ci, "delivered", None), "consumer_seq", None),
+                        "acked": getattr(getattr(ci, "ack_floor", None), "consumer_seq", None),
                         "created": ci.created,
                         "protected": ci.name.startswith("archive-"),
                     })

src/central/gui/templates/consumers_list.html

@@ -25,6 +25,8 @@ has no active subscriber — it is safe to delete if it is not a central-owned c
                 <th style="text-align: right; padding: 0.25rem 0.5rem;">Ack Pending</th>
                 <th style="text-align: right; padding: 0.25rem 0.5rem;">Redelivered</th>
                 <th style="text-align: right; padding: 0.25rem 0.5rem;">Waiting</th>
+                <th style="text-align: right; padding: 0.25rem 0.5rem;">Delivered</th>
+                <th style="text-align: right; padding: 0.25rem 0.5rem;">Confirmed</th>
                 <th style="text-align: left; padding: 0.25rem 0.5rem;">Created</th>
                 <th style="text-align: center; padding: 0.25rem 0.5rem;">Action</th>
             </tr>
@@ -37,6 +39,8 @@ has no active subscriber — it is safe to delete if it is not a central-owned c
                 <td style="text-align: right; padding: 0.25rem 0.5rem;">{{ c.num_ack_pending if c.num_ack_pending is not none else '—' }}</td>
                 <td style="text-align: right; padding: 0.25rem 0.5rem;">{{ c.num_redelivered if c.num_redelivered is not none else '—' }}</td>
                 <td style="text-align: right; padding: 0.25rem 0.5rem;">{{ c.num_waiting if c.num_waiting is not none else '—' }}</td>
+                <td style="text-align: right; padding: 0.25rem 0.5rem;">{{ c.delivered if c.delivered is not none else '—' }}</td>
+                <td style="text-align: right; padding: 0.25rem 0.5rem;">{{ c.acked if c.acked is not none else '—' }}</td>
                 <td style="padding: 0.25rem 0.5rem;">{{ c.created.isoformat() if c.created else '—' }}</td>
                 <td style="text-align: center; padding: 0.25rem 0.5rem;">
                     {% if c.protected %}
@@ -64,7 +68,10 @@ has no active subscriber — it is safe to delete if it is not a central-owned c
 <p class="muted" style="margin-top: 1rem; font-size: 0.9em;">
     <strong>Legend:</strong> <em>Pending</em> = messages not yet delivered to this consumer;
     <em>Ack Pending</em> = delivered but not yet acknowledged;
-    <em>Waiting</em> = active pull requests from a live subscriber.
+    <em>Waiting</em> = active pull requests from a live subscriber;
+    <em>Delivered</em> = total messages this consumer has received from the stream (lifetime counter);
+    <em>Confirmed</em> = total messages this consumer has acknowledged (processed) — these are consumer-level
+    counters (the subscriber got/acked it) and are NOT confirmation that the message reached a mesh device.
     A consumer with high <em>Pending</em> and zero <em>Waiting</em> is abandoned — no subscriber
     is pulling from it and messages are piling up.
     Consumers marked <em>central-owned</em> (archive-*) are managed by central and cannot be deleted here.

tests/test_consumers.py

@@ -2,6 +2,7 @@
 
 import os
 from datetime import datetime, timezone
+from types import SimpleNamespace
 from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
@@ -13,13 +14,16 @@ os.environ.setdefault("CENTRAL_NATS_URL", "nats://localhost:4222")
 
 
 def _make_consumer_info(name: str, num_pending: int = 0, num_ack_pending: int = 0,
-                        num_redelivered: int = 0, num_waiting: int = 0):
+                        num_redelivered: int = 0, num_waiting: int = 0,
+                        delivered_seq: int = 0, ack_floor_seq: int = 0):
     ci = MagicMock()
     ci.name = name
     ci.num_pending = num_pending
     ci.num_ack_pending = num_ack_pending
     ci.num_redelivered = num_redelivered
     ci.num_waiting = num_waiting
+    ci.delivered = SimpleNamespace(consumer_seq=delivered_seq)
+    ci.ack_floor = SimpleNamespace(consumer_seq=ack_floor_seq)
     ci.created = datetime(2026, 5, 17, 12, 0, 0, tzinfo=timezone.utc)
     return ci
 
@@ -204,6 +208,8 @@ class TestConsumersListHtmlRender:
                         "num_ack_pending": 0,
                         "num_redelivered": 0,
                         "num_waiting": 0,
+                        "delivered": 5000,
+                        "acked": 4000,
                         "created": datetime(2026, 5, 17, 12, 0, 0, tzinfo=timezone.utc),
                         "protected": False,
                     },
@@ -230,6 +236,8 @@ class TestConsumersListHtmlRender:
                         "num_ack_pending": 0,
                         "num_redelivered": 0,
                         "num_waiting": 1,
+                        "delivered": 100,
+                        "acked": 95,
                         "created": datetime(2026, 5, 17, 12, 0, 0, tzinfo=timezone.utc),
                         "protected": True,
                     },
@@ -254,6 +262,8 @@ class TestConsumersListHtmlRender:
                         "num_ack_pending": None,
                         "num_redelivered": None,
                         "num_waiting": None,
+                        "delivered": None,
+                        "acked": None,
                         "created": None,
                         "protected": False,
                     },
@@ -267,6 +277,34 @@ class TestConsumersListHtmlRender:
         # The guarded fallback em dash is rendered instead
         assert "—" in html
 
+    def test_delivered_and_confirmed_columns_render(self):
+        streams = [
+            {
+                "stream": "CENTRAL_WX",
+                "error": None,
+                "consumers": [
+                    {
+                        "name": "meshai-wx",
+                        "num_pending": 10,
+                        "num_ack_pending": 2,
+                        "num_redelivered": 0,
+                        "num_waiting": 1,
+                        "delivered": 7777,
+                        "acked": 6543,
+                        "created": datetime(2026, 5, 17, 12, 0, 0, tzinfo=timezone.utc),
+                        "protected": False,
+                    },
+                ],
+            },
+        ]
+        html = self._render(streams)
+        # Delivered and Confirmed column headers are present
+        assert "Delivered" in html
+        assert "Confirmed" in html
+        # The actual counter values appear in the rendered HTML
+        assert "7777" in html
+        assert "6543" in html
+
 
 class TestConsumersDeleteArchiveGuard:
     """POST /consumers/{stream}/archive-*/delete must be refused."""