diff --git a/apps/docs/automations.mdx b/apps/docs/automations.mdx
index 42953c6b4..426a965ae 100644
--- a/apps/docs/automations.mdx
+++ b/apps/docs/automations.mdx
@@ -102,7 +102,8 @@ deployment helper model to write a brief commit summary, and includes the pusher
 and commit authors. Feature-branch pushes and branch deletions are ignored.
 GitHub, GitLab, Azure DevOps, Bitbucket, and Gitea are supported.
 For GitHub merge commits that Roomote can match to a pull request, the summary
-uses that pull request's context and **View changes** opens the pull request.
+uses that pull request's context, identifies the repository and pull request
+number, and links **View changes** to the pull request.
 When the pull request body contains a suitable image, the Slack announcement
 can also show one representative screenshot after Roomote validates its URL and
 image type. Announcements continue without an image when validation fails.
diff --git a/apps/docs/environment-variables.mdx b/apps/docs/environment-variables.mdx
index f34453241..b961f0b12 100644
--- a/apps/docs/environment-variables.mdx
+++ b/apps/docs/environment-variables.mdx
@@ -53,6 +53,11 @@ This is intentional. It lets production operators keep secrets and platform
 configuration in the deployment system while still letting admins manage
 non-env settings in the app.
 
+The generic **Deployment Environment Variables** editor also hides and rejects
+Roomote-managed and control-plane keys. Configure provider-owned keys on their
+provider Settings page instead; the generic editor cannot create, edit, or
+delete them.
+
 Use the UI when:
 
 - the value is safe for an admin to rotate from Roomote
diff --git a/apps/docs/fast-sessions.mdx b/apps/docs/fast-sessions.mdx
index 4a28b9d33..fd974c752 100644
--- a/apps/docs/fast-sessions.mdx
+++ b/apps/docs/fast-sessions.mdx
@@ -15,6 +15,8 @@ automations, and the web dashboard.
 A Session can also run Roomote's structured code review on demand. Ask it to
 review a pull request and the Review Code pipeline runs as a task inside the
 Session; in a pull request discussion, it reviews that pull request.
+Eligible automatic reviews of pull requests opened by Session tasks also appear
+as tasks in the Session that opened the pull request.
 
 When a task in a Session opens a pull request, that pull request belongs to the
 Session. A mention on it joins the Session instead of starting a new one, and
@@ -22,17 +24,16 @@ Roomote answers on the pull request as well as in the Session's home surface.
 
 ## Start a Session from the dashboard
 
-On the home page, leave the workspace selector on **Fast** to start a
-conversation. Roomote answers directly when it can and delegates execution
-when the request needs a repository workspace. Selecting an environment or
-repository still starts a Session: the Session records your request, delegates
-the task into that workspace right away without a model turn, and opens the
-task workspace. You can return to the Session at any time to continue the
-conversation around that task.
+On the home page, enter a request to start a Fast Session. Roomote answers
+directly when it can and delegates execution when the request needs a repository
+workspace. Fast is also the default for unpinned requests from supported chat
+providers.
 
-Fast is the default for unpinned requests across the web dashboard and
-supported chat providers. Choose an environment or repository explicitly when
-you already know where the work should run.
+After creating or editing an environment, choose **Use environment** to open an
+environment-pinned launcher. Submitting there still starts a Session, but it
+delegates the task into that environment immediately and opens the task
+workspace. You can return to the Session at any time to continue the
+conversation around that task.
 
 Select **New Session** in the navigation to open the same launcher from any
 dashboard page.
@@ -56,7 +57,14 @@ task with documents created directly during the conversation, labels each item
 by its Session or task source, and opens previews without leaving the Session.
 Links to a Session-created artifact, including the link the Session shares when
 it creates one, open that artifact directly in the Artifacts panel. Individual
-task details continue to show their own artifacts.
+task details continue to show their own artifacts. For a Markdown artifact,
+choose **Build this** to send it back to its owning Session, where Fast can
+discuss it or delegate its implementation.
+
+The **Live Preview** panel combines active previews from every linked task. When
+more than one task has a preview, service labels include the task name so you
+can tell them apart. Previews disappear when their task finishes or its sandbox
+goes to sleep; open the task workspace to wake a sleeping task.
 
 **Session info** shows the total inference cost for the conversation and its
 attached tasks. Open the cost breakdown to separate direct Session orchestration
diff --git a/apps/docs/how-roomote-works.mdx b/apps/docs/how-roomote-works.mdx
index cd9b7e69d..c85935d29 100644
--- a/apps/docs/how-roomote-works.mdx
+++ b/apps/docs/how-roomote-works.mdx
@@ -82,10 +82,12 @@ gives a clear answer or next step without pretending code was changed.
 
 In chat, Roomote's Fast Session decides whether a request needs a workspace
 and which environment fits, and it says so before delegating. Reply in the
-same thread to redirect it. When you start from the dashboard, choose the
-environment yourself or leave the selector on **Fast** to let the Session
-decide. A Linear agent session works the same way: the Session reads the
-issue and chooses the environment before delegating.
+same thread to redirect it. Requests from the dashboard home page also start a
+Fast Session that chooses the environment before delegating. To launch directly
+into a known environment, choose **Use environment** after creating or editing
+it; the resulting pinned Session delegates there immediately. A Linear agent
+session works the same way: the Session reads the issue and chooses the
+environment before delegating.
 
 If a request is ambiguous, the Session asks a clarifying question in the same
 thread before it delegates, so you can name the environment or repository in
diff --git a/apps/docs/models.mdx b/apps/docs/models.mdx
index 37cfe3253..86fcbc038 100644
--- a/apps/docs/models.mdx
+++ b/apps/docs/models.mdx
@@ -301,11 +301,11 @@ through its task-management tool, subject to the same allowed-models list.
 
 Conversational Sessions expose the same model and reasoning choices in their
 composer. New Sessions show the deployment's orchestration model by default;
-direct environment and repository tasks show the coding model. Leaving the
-Session selection untouched keeps deployment-default behavior, while an
-explicit selection is saved before the next message can be sent, persists
-across page refreshes, and applies to later Fast turns without changing a turn
-that is already running.
+environment-pinned launches show the coding model. Leaving the Session
+selection untouched keeps deployment-default behavior, while an explicit
+selection is saved before the next message can be sent, persists across page
+refreshes, and applies to later Fast turns without changing a turn that is
+already running.
 
 ## Fast delegation and consultation
 
diff --git a/apps/docs/source-control.mdx b/apps/docs/source-control.mdx
index d4ae065a3..4e2b462a4 100644
--- a/apps/docs/source-control.mdx
+++ b/apps/docs/source-control.mdx
@@ -79,6 +79,11 @@ the same lines are already under discussion. On Gitea, that reply becomes a
 pull request comment that references the original thread. Roomote can anchor
 new findings to added, changed, or deleted lines.
 
+When a Fast Session starts from an issue or pull request comment, its response
+quotes the triggering comment. Each turn uses one Roomote comment and edits it
+as additional replies arrive instead of stacking separate comments. The footer
+links back to the Session and, when available, its live preview.
+
 If a provider rejects an inline location, Roomote retries with the current diff
 and then includes the finding with a file and line reference in the review
 summary. On later sync reviews, Roomote resolves its inline thread when the
diff --git a/apps/docs/tasks.mdx b/apps/docs/tasks.mdx
index d9446ba7d..7856dfe82 100644
--- a/apps/docs/tasks.mdx
+++ b/apps/docs/tasks.mdx
@@ -67,11 +67,9 @@ detail to review the work. Presentational widgets remain available in the task
 transcript; when an agent provides a text fallback, Roomote also sends that
 fallback to the originating Slack, Teams, Telegram, or Discord conversation.
 
-For a Markdown plan artifact, **Build this** starts a Session and delegates the
-plan to a task inside it. Roomote preserves the selected environment, branch,
-and model, and retries the same kickoff if the first launch is interrupted. Use
-the confirmation link to follow the Session, then open the delegated task for
-its operational details.
+For a Markdown artifact, **Build this** sends the artifact to the existing
+Session that owns it. Fast can discuss the artifact there or delegate its
+implementation to a task.
 
 Generated HTML artifacts open in a sandboxed **Preview** by default. Switch to
 **Code** to inspect the saved HTML source without executing it in the page that