diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..0aa5267
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,23 @@
+name: Push gem
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+    environment: release
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          persist-credentials: false
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ruby
+          bundler-cache: true
+      - uses: rubygems/release-gem@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 907b884..c45d798 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         ruby: ["3.2", "3.3", "3.4"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Ruby ${{ matrix.ruby }}
         uses: ruby/setup-ruby@v1
@@ -29,11 +29,9 @@ jobs:
         run: gem build opencode-rails.gemspec
 
       - name: Verify gem loads after install
-        # opencode-rails depends on opencode-ruby; until both gems
-        # are on rubygems.org, the install step here will only resolve
-        # if opencode-ruby has been pre-installed or is reachable.
-        # When the gems do publish, the runtime_dependency on
-        # opencode-ruby will Just Work via rubygems.
         run: |
-          gem install --local opencode-rails-*.gem --conservative
+          client_dir="$(bundle show opencode-ruby)"
+          (cd "$client_dir" && gem build opencode-ruby.gemspec)
+          gem install "$client_dir"/opencode-ruby-*.gem --no-document
+          gem install opencode-rails-*.gem --no-document
           ruby -ropencode-rails -e 'puts Opencode::RAILS_VERSION'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f28861d..30271fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.0.1.alpha6 - 2026-07-18
+
+### Bumped
+
+- Runtime dependency `opencode-ruby` pinned to `= 0.0.1.alpha6`. Rails turns
+  now establish and validate the OpenCode SSE subscription before submitting
+  `prompt_async`, and automatic SSE reconnects reopen only the subscription
+  without replaying the user prompt.
+
 ## 0.0.1.alpha5 - 2026-07-15
 
 ### Bumped
diff --git a/Gemfile b/Gemfile
index b4e2a20..055b104 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,7 @@
 source "https://rubygems.org"
 
+gem "opencode-ruby",
+  git: "https://github.com/ajaynomics/opencode-ruby.git",
+  ref: "b16292723e6385064064fdd61698c9618f6cb156"
+
 gemspec
diff --git a/README.md b/README.md
index 2251910..6fd5821 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,14 @@ bundle install
 
 Runtime deps: `activerecord`, `activestorage`, `activesupport` (>= 7.1). Depends on `opencode-ruby` for the underlying HTTP/SSE primitives.
 
+During the alpha series both gems are pinned in lockstep. Version 0.0.1.alpha6
+uses a subscribe-ready-before-prompt transport contract and reconnects an
+accepted turn without posting its prompt again.
+
+Releases use RubyGems trusted publishing. Register `release.yml` as the gem's
+trusted publisher (using the `release` environment); after that, a `v*` tag
+publishes without a long-lived RubyGems API key.
+
 ## Quickstart
 
 ```ruby
diff --git a/lib/opencode/rails_version.rb b/lib/opencode/rails_version.rb
index 8dc072d..5b1cdb6 100644
--- a/lib/opencode/rails_version.rb
+++ b/lib/opencode/rails_version.rb
@@ -11,5 +11,5 @@
 # We can't reuse the same constant from a second gem, so we use a
 # distinct, non-namespaced constant.
 module Opencode
-  RAILS_VERSION = "0.0.1.alpha5"
+  RAILS_VERSION = "0.0.1.alpha6"
 end
diff --git a/opencode-rails.gemspec b/opencode-rails.gemspec
index c0ad951..19fd938 100644
--- a/opencode-rails.gemspec
+++ b/opencode-rails.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |spec|
   # this gem builds on. During alpha both gems evolve in lockstep — we pin
   # exactly (= not ~>) so that consumers always pick the version this gem
   # was tested against.
-  spec.add_runtime_dependency "opencode-ruby", "= 0.0.1.alpha5"
+  spec.add_runtime_dependency "opencode-ruby", "= 0.0.1.alpha6"
 
   # Rails sub-libraries used at runtime. Depending on these individually
   # (instead of the `rails` umbrella) avoids forcing host apps to load
diff --git a/test/opencode/loading_test.rb b/test/opencode/loading_test.rb
index b048b6c..a6c2869 100644
--- a/test/opencode/loading_test.rb
+++ b/test/opencode/loading_test.rb
@@ -36,23 +36,25 @@ class Opencode::LoadingTest < Minitest::Test
     end
   end
 
-  # We check via path match on both directory ("/opencode-rails/") and
-  # installed-gem name ("/opencode-rails-VERSION/") so the assertion is
-  # robust to either a sibling-repo dev setup or a bundle-resolved gem
-  # install.
-  GEM_PATH_PATTERN = ->(name) { %r{/#{Regexp.escape(name)}[-/]} }
+  # Match the gem's own lib path, not merely any parent directory. GitHub's
+  # checkout layout nests Bundler under /opencode-rails/opencode-rails, so a
+  # broad directory-name assertion falsely classifies a bundled
+  # opencode-ruby source path as belonging to this gem.
+  GEM_SOURCE_PATTERN = lambda do |name, file|
+    %r{/#{Regexp.escape(name)}(?:-[^/]+)?/lib/opencode/#{Regexp.escape(file)}\.rb\z}
+  end
 
   def test_session_constant_points_at_this_gem
     location = Opencode::Session.instance_method(:initialize).source_location.first
-    assert_match GEM_PATH_PATTERN.call("opencode-rails"), location,
+    assert_match GEM_SOURCE_PATTERN.call("opencode-rails", "session"), location,
       "Expected Opencode::Session to be loaded from opencode-rails, got: #{location}"
   end
 
   def test_client_constant_points_at_opencode_ruby
     location = Opencode::Client.instance_method(:initialize).source_location.first
-    assert_match GEM_PATH_PATTERN.call("opencode-ruby"), location,
+    assert_match GEM_SOURCE_PATTERN.call("opencode-ruby", "client"), location,
       "Expected Opencode::Client to come from opencode-ruby, got: #{location}"
-    refute_match GEM_PATH_PATTERN.call("opencode-rails"), location,
+    refute_match GEM_SOURCE_PATTERN.call("opencode-rails", "client"), location,
       "Opencode::Client must NOT come from opencode-rails (it's an opencode-ruby class)"
   end