Spike native shells and define local-first integrations

docs/ROADMAP.md

@@ -4,9 +4,13 @@
 
 - Capture upstream snapshots, licenses, relevant modules, and architectural notes.
 - Benchmark UI candidates with six animated terminal panes.
+- Prove OpenSSH and `tailscale ssh` stdio transports against a disposable remote
+  runtime, including disconnect and replay.
 - Spike PTY correctness and process-tree cleanup on macOS, Ubuntu, and Omarchy.
 - Connect the official ACP Rust SDK to two contrasting harnesses.
 - Audit actual usage/quota surfaces for every launch provider.
+- Prove Buzz SDK message, attachment, cursor, reconnect, and duplicate-delivery
+  behavior against a disposable local relay.
 - Decide terminal core, UI stack, IPC transport, and schema evolution policy.
 
 Exit: recorded decisions with working spikes and measured results.
@@ -14,8 +18,12 @@ Exit: recorded decisions with working spikes and measured results.
 ## Phase 1 — terminal workspace alpha
 
 - Durable runtime, local IPC, workspaces, tabs, splits, shells, scrollback.
+- Saved SSH/Tailscale hosts and durable remote panes through a per-user remote
+  runtime; reconnect from a second Lumbridge installation.
 - Session restore, crash recovery, command palette, keybindings, notifications.
 - Repository/worktree creation and basic Git status/diff.
+- Optional Buzz collaboration pane, workspace channel binding, and confirmed
+  redacted pane-image sharing.
 - macOS, Ubuntu, and Omarchy development packages.
 
 Exit: Lumbridge is worth using as a terminal multiplexer without AI features.
@@ -44,4 +52,3 @@ Exit: usage displays are useful, auditable, and honest about uncertainty.
 - Signed/notarized macOS releases, `.deb`, AppImage, and Arch package.
 - Delta updater with signed manifests and rollback.
 - Accessibility, performance, soak, migration, and recovery qualification.
-