Add pipeline resilience and frontend work

content/migrations/0003_content_pipeline_state.py

@@ -0,0 +1,27 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("content", "0002_content_newsletter_promotion"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="content",
+            name="pipeline_state",
+            field=models.CharField(
+                choices=[
+                    ("pending", "Pending"),
+                    ("processing", "Processing"),
+                    ("completed", "Completed"),
+                    ("awaiting_review", "Awaiting Review"),
+                    ("archived", "Archived"),
+                    ("duplicate", "Duplicate"),
+                ],
+                db_index=True,
+                default="pending",
+                max_length=32,
+            ),
+        ),
+    ]

content/models.py

@@ -11,6 +11,17 @@ class FeedbackType(models.TextChoices):
     DOWNVOTE = "downvote", "Downvote"
 
 
+class ContentPipelineState(models.TextChoices):
+    """High-level processing state for one content item in the AI pipeline."""
+
+    PENDING = "pending", "Pending"
+    PROCESSING = "processing", "Processing"
+    COMPLETED = "completed", "Completed"
+    AWAITING_REVIEW = "awaiting_review", "Awaiting Review"
+    ARCHIVED = "archived", "Archived"
+    DUPLICATE = "duplicate", "Duplicate"
+
+
 class Content(models.Model):
     """Stores an ingested content item that may appear in a newsletter."""
 
@@ -47,6 +58,12 @@ class Content(models.Model):
     duplicate_signal_count = models.IntegerField(default=0)
     is_reference = models.BooleanField(default=False)
     is_active = models.BooleanField(default=True)
+    pipeline_state = models.CharField(
+        max_length=32,
+        choices=ContentPipelineState.choices,
+        default=ContentPipelineState.PENDING,
+        db_index=True,
+    )
     newsletter_promotion_at = models.DateTimeField(null=True, blank=True)
     newsletter_promotion_by = models.ForeignKey(
         settings.AUTH_USER_MODEL,