diff --git a/alembic/versions/0028_add_briefing_improvements.py b/alembic/versions/0028_add_briefing_improvements.py
new file mode 100644
index 0000000..d7d35b8
--- /dev/null
+++ b/alembic/versions/0028_add_briefing_improvements.py
@@ -0,0 +1,55 @@
+"""Add briefing improvements: rss_items topics/classified_at, messages metadata,
+   rss_item_reactions, briefing_task_snapshot."""
+
+from alembic import op
+
+revision = "0028"
+down_revision = "0027"
+
+
+def upgrade() -> None:
+    op.execute("""
+        ALTER TABLE rss_items
+            ADD COLUMN IF NOT EXISTS topics TEXT[] DEFAULT '{}',
+            ADD COLUMN IF NOT EXISTS classified_at TIMESTAMPTZ
+    """)
+    op.execute("""
+        ALTER TABLE messages
+            ADD COLUMN IF NOT EXISTS metadata JSONB
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS rss_item_reactions (
+            id          SERIAL PRIMARY KEY,
+            user_id     INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+            rss_item_id INTEGER NOT NULL REFERENCES rss_items(id) ON DELETE CASCADE,
+            reaction    TEXT NOT NULL CHECK (reaction IN ('up', 'down')),
+            created_at  TIMESTAMPTZ DEFAULT NOW(),
+            UNIQUE (user_id, rss_item_id)
+        )
+    """)
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS ix_rss_item_reactions_user_id "
+        "ON rss_item_reactions(user_id)"
+    )
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS briefing_task_snapshot (
+            id            SERIAL PRIMARY KEY,
+            user_id       INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+            task_id       INTEGER NOT NULL REFERENCES notes(id) ON DELETE CASCADE,
+            snapshot_hash TEXT NOT NULL,
+            last_briefed  TIMESTAMPTZ DEFAULT NOW(),
+            UNIQUE (user_id, task_id)
+        )
+    """)
+    op.execute(
+        "CREATE INDEX IF NOT EXISTS ix_briefing_task_snapshot_user_id "
+        "ON briefing_task_snapshot(user_id)"
+    )
+
+
+def downgrade() -> None:
+    op.execute("DROP TABLE IF EXISTS briefing_task_snapshot")
+    op.execute("DROP TABLE IF EXISTS rss_item_reactions")
+    op.execute("ALTER TABLE messages DROP COLUMN IF EXISTS metadata")
+    op.execute("ALTER TABLE rss_items DROP COLUMN IF EXISTS classified_at")
+    op.execute("ALTER TABLE rss_items DROP COLUMN IF EXISTS topics")
diff --git a/docker-compose.yml b/docker-compose.yml
index 1879389..5cf9bb6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -55,13 +55,14 @@ services:
       OLLAMA_NUM_PARALLEL: "2"
       OLLAMA_KEEP_ALIVE: "30m"
       OLLAMA_FLASH_ATTENTION: "1"
-    deploy:
-      resources:
-        reservations:
-          devices:
-            - driver: nvidia
-              count: all
-              capabilities: [gpu]
+    # GPU reservation commented out — no nvidia-container-toolkit on this host
+    # deploy:
+    #   resources:
+    #     reservations:
+    #       devices:
+    #         - driver: nvidia
+    #           count: all
+    #           capabilities: [gpu]
 
 volumes:
   pgdata: