diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 577c0c4..22c7a00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ name: CI
 # doc/POLICY.md section 11 and doc/REQUIREMENTS.md section 20.
 #
 # No credential is configured here and nothing reaches an external service: the
-# suite must need neither (doc/POLICY.md Invariant 6). Examples tagged :network
+# suite must need neither (doc/POLICY.md Invariant 7). Examples tagged :network
 # are excluded by default, and none of the Gemfile's optional groups is
 # installed, so no plugin's own gem is a condition of this workflow passing.
 #
diff --git a/doc/AI_TUTORIAL.md b/doc/AI_TUTORIAL.md
index f36ee49..7634820 100644
--- a/doc/AI_TUTORIAL.md
+++ b/doc/AI_TUTORIAL.md
@@ -48,10 +48,14 @@ is the order of the work.
 
 The store plugin's position is not an aesthetic choice. `FilterJoin` produces
 one item with **no link** — it is several articles at once, so there is no page
-it points at — and the store plugins are keyed on the link and drop an item
-without one. `StorePermalink`, `StoreFullText` and `StoreDigest` therefore
-belong **before** `FilterJoin`, where there is still one item per article to
-record. Put one after it and the Recipe stores nothing and publishes nothing.
+it points at. `StorePermalink` and `StoreFullText` use the shared link-based
+store path and drop an item without a link, so both belong **before**
+`FilterJoin`. `StoreDigest` is different: it identifies content from the
+configured fields and can store an item whose link is nil. In this tutorial it
+still belongs before `FilterJoin`, because the job is to record each source
+article before they are joined and before later work is repeated. Putting
+`StoreDigest` after `FilterJoin` changes its meaning to de-duplicating the whole
+joined digest rather than the individual articles.
 
 ## 2. Build it without AI first
 
diff --git a/doc/PLUGINS.md b/doc/PLUGINS.md
index 52d7280..bbc46a5 100644
--- a/doc/PLUGINS.md
+++ b/doc/PLUGINS.md
@@ -1488,9 +1488,10 @@ look new again.
 #### StoreFullText — **Supported**
 
 `store/full_text.rb`. Records title, link, description and `content_encoded`,
-and passes on only what is new. Deduplicates on link **or** title, so a
-republished article with a new URL is not stored twice. Pair with
-`FilterFullFeed` to archive article bodies.
+and passes on only items whose new record was saved successfully. Deduplicates
+on link **or** title, so a republished article with a new URL is not stored
+twice. A database write failure ends the run; the unsaved item is not passed
+downstream. Pair with `FilterFullFeed` to archive article bodies.
 
 | Key | Type | Meaning |
 | --- | --- | --- |
diff --git a/doc/POLICY.md b/doc/POLICY.md
index f3b8227..5eaff24 100644
--- a/doc/POLICY.md
+++ b/doc/POLICY.md
@@ -381,7 +381,7 @@ appear in the order shown below. An executable uses this canonical form:
 #!/usr/bin/env ruby
 # -*- coding: utf-8 -*-
 # Name::        automatic
-# Author:       id774 (More info: http://id774.net)
+# Author:       id774 (More info: https://id774.net)
 # Source Code:: https://github.com/id774/automaticruby
 # License::     The GPL version 3, or LGPL version 3 (Dual License).
 # Contact::     idnanashi@gmail.com
diff --git a/doc/VERSIONS b/doc/VERSIONS
index 7b50aa7..212a72c 100644
--- a/doc/VERSIONS
+++ b/doc/VERSIONS
@@ -13,6 +13,7 @@ v26.09 (Release Date: TBD)
   title and link values.
 - Preserve SubscriptionText TSV column positions and ignore empty input rows.
 - Preserve local file paths when StoreFile hands file URIs to PublishAmazonS3.
+- Stop StoreFullText from passing items downstream when database writes fail.
 
 v26.08 (2026-08-22)
 -------------------
diff --git a/plugins/store/full_text.rb b/plugins/store/full_text.rb
index abefae8..dcf5cf9 100644
--- a/plugins/store/full_text.rb
+++ b/plugins/store/full_text.rb
@@ -5,7 +5,7 @@
 # License::     The GPL version 3, or LGPL version 3 (Dual License).
 # Contact::     idnanashi@gmail.com
 # Created::     Feb 26, 2012
-# Updated::     Aug 15, 2026
+# Updated::     Sep 12, 2026
 # Copyright::   Copyright (c) 2012-2026 Automatic Ruby Developers.
 
 require_relative 'database'
@@ -46,18 +46,14 @@ def model_class
     # what is new.
     def run
       for_each_new_feed do |feed|
+        Blog.create!(
+          title: feed.title,
+          link: feed.link,
+          description: feed.description,
+          content: feed.content_encoded,
+          created_at: Time.now.strftime('%Y/%m/%d %X')
+        )
         Automatic::Log.puts('info', "Saving FullText: #{feed.link}")
-        begin
-          Blog.create(
-            title: feed.title,
-            link: feed.link,
-            description: feed.description,
-            content: feed.content_encoded,
-            created_at: Time.now.strftime('%Y/%m/%d %X')
-          )
-        rescue StandardError => e
-          Automatic::Log.puts('warn', "Skip feed due to fault in save: #{e.message}")
-        end
       end
     end
   end
diff --git a/spec/plugins/filter/claude_spec.rb b/spec/plugins/filter/claude_spec.rb
index fccdca9..d1dbe69 100644
--- a/spec/plugins/filter/claude_spec.rb
+++ b/spec/plugins/filter/claude_spec.rb
@@ -65,7 +65,7 @@ def one_item
 
   # Stands in for the network: records the connection and the request, answers
   # with what the example queued, and opens nothing. The default suite reaches
-  # no network (doc/POLICY.md Invariant 6).
+  # no network (doc/POLICY.md Invariant 7).
   def serve(*responses)
     requests = posted
     opened = connections
diff --git a/spec/plugins/filter/gemini_spec.rb b/spec/plugins/filter/gemini_spec.rb
index ca88753..8f9ee46 100644
--- a/spec/plugins/filter/gemini_spec.rb
+++ b/spec/plugins/filter/gemini_spec.rb
@@ -64,7 +64,7 @@ def one_item
 
   # Stands in for the network: records the connection and the request, answers
   # with what the example queued, and opens nothing. The default suite reaches
-  # no network (doc/POLICY.md Invariant 6).
+  # no network (doc/POLICY.md Invariant 7).
   def serve(*responses)
     requests = posted
     opened = connections
diff --git a/spec/plugins/filter/kimi_spec.rb b/spec/plugins/filter/kimi_spec.rb
index 026ec12..5629c54 100644
--- a/spec/plugins/filter/kimi_spec.rb
+++ b/spec/plugins/filter/kimi_spec.rb
@@ -68,7 +68,7 @@ def one_item
 
   # Stands in for the network: records the connection and the request, answers
   # with what the example queued, and opens nothing. The default suite reaches
-  # no network (doc/POLICY.md Invariant 6).
+  # no network (doc/POLICY.md Invariant 7).
   def serve(*responses)
     requests = posted
     opened = connections
diff --git a/spec/plugins/filter/open_ai_spec.rb b/spec/plugins/filter/open_ai_spec.rb
index 04c2d9b..df2bb90 100644
--- a/spec/plugins/filter/open_ai_spec.rb
+++ b/spec/plugins/filter/open_ai_spec.rb
@@ -62,7 +62,7 @@ def one_item
 
   # Stands in for the network: records the connection and the request, answers
   # with what the example queued, and opens nothing. The default suite reaches
-  # no network (doc/POLICY.md Invariant 6).
+  # no network (doc/POLICY.md Invariant 7).
   def serve(*responses)
     requests = posted
     opened = connections
diff --git a/spec/plugins/filter/sakura_ai_spec.rb b/spec/plugins/filter/sakura_ai_spec.rb
index b60a43f..269dfab 100644
--- a/spec/plugins/filter/sakura_ai_spec.rb
+++ b/spec/plugins/filter/sakura_ai_spec.rb
@@ -65,7 +65,7 @@ def one_item
 
   # Stands in for the network: records the connection and the request, answers
   # with what the example queued, and opens nothing. The default suite reaches
-  # no network (doc/POLICY.md Invariant 6).
+  # no network (doc/POLICY.md Invariant 7).
   def serve(*responses)
     requests = posted
     opened = connections
diff --git a/spec/plugins/store/full_text_spec.rb b/spec/plugins/store/full_text_spec.rb
index e7cc23d..0070dbd 100644
--- a/spec/plugins/store/full_text_spec.rb
+++ b/spec/plugins/store/full_text_spec.rb
@@ -5,7 +5,7 @@
 # License::     The GPL version 3, or LGPL version 3 (Dual License).
 # Contact::     idnanashi@gmail.com
 # Created::     Feb 26, 2012
-# Updated::     Oct 16, 2014
+# Updated::     Sep 12, 2026
 # Copyright::   Copyright (c) 2012-2026 Automatic Ruby Developers.
 
 require File.expand_path(File.dirname(__FILE__) + '../../../spec_helper')
@@ -134,6 +134,26 @@
     Automatic::Plugin::Blog.count.should eq 1
   end
 
+  it "should raise when storing a new blog entry fails" do
+    instance = Automatic::Plugin::StoreFullText.new({"db" => @db_filename},
+      AutomaticSpec.generate_pipeline {
+        feed {
+          item "http://blog.id774.net/blogs/feed/",
+          "dummy title",
+          "aaa bbb ccc http://test2.id774.net ddd eee",
+          "Mon, 07 Mar 2011 15:54:11 +0900"
+        }
+      }
+    )
+
+    Automatic::Plugin::Blog.should_receive(:create!).and_raise(
+      ActiveRecord::StatementInvalid.new("write failed")
+    )
+    lambda {
+      instance.run
+    }.should raise_error(ActiveRecord::StatementInvalid, /write failed/)
+  end
+
   it "should store 2 records for the independent entries" do
     instance = Automatic::Plugin::StoreFullText.new({"db" => @db_filename},
       AutomaticSpec.generate_pipeline {
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8b47442..9645718 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -56,7 +56,7 @@
 
   # Examples tagged :network reach real hosts. They are excluded from the
   # default suite and from CI, because the suite must need neither a network
-  # nor a credential (doc/POLICY.md Invariant 6). Several of them point at
+  # nor a credential (doc/POLICY.md Invariant 7). Several of them point at
   # hosts that no longer serve what they expect, which is a further reason not
   # to make them a gate. Run them deliberately with:
   #
@@ -99,12 +99,12 @@ module AutomaticSpec
   OPTIONAL_PLUGIN_GEMS = %w[activerecord feedbag nokogiri sanitize sqlite3].freeze
 
   class << self
-    # Load a plugin, or report that its dependency is absent.
+    # Load a plugin, or report that its own optional dependency is absent.
     #
-    # A plugin whose gem is not installed -- because the service it talks to no
-    # longer exists, and no currently published gem speaks to it -- is never
-    # stubbed into passing (doc/POLICY.md Invariant 7). Its spec is skipped
-    # instead, and the reason is printed, which is the honest signal.
+    # Supported (external) plugin specs use this when the plugin's declared
+    # optional gem is not installed in the current bundle. That absence is not
+    # simulated into success: the spec is skipped and names the missing
+    # dependency (doc/POLICY.md Invariant 8).
     #
     # Only Automatic::OptionalDependencyError, raised by require_optional for
     # the plugin's own missing gem, is skipped this way. A plain LoadError