v9.1.1

• fix: finish a persisted stream after the host receives End
• fix: build the shipped TUI before the 9.1.1 end-to-end tests
• fix: expose session transcript and usage on the 9.1.1 SDKs
• fix: clear the 9.1.1 fmt and Windows clippy gates
• fix: release 9.1.1 with durable TUI session resume
• fix: keep fact-log tool visibility, turn events, image payloads, and harness limits
• feat: implement ACP set_session_mode on the a3s backend
• fix: carry the queue combine gate fix in the vendored UI
• fix: never combine queued slash commands into one multi-line prompt
• test: drive the goal probe over the real pager path
• test: add the goal command flow probe with a queue-race scenario
• fix: queue mid-turn prompts and soften durable-goal injection
• fix: stop the settled replay from duplicating streamed replies
• perf: run memory extraction off the turn-end critical path
• style: rustfmt the perf probe
• feat: add the ACP turn timing probe
• fix: advertise /goal from the ACP backend and open the shell gate
• fix: advertise /goal for a3s sessions again
• fix: await the cancellation settle on a timed-out confirmation
• style: apply rustfmt and record the local effect 0.1.1 lock
• docs: archive the 9.1.0 L6 digests and close the GA board
• fix: pin the standalone SDK locks to the Effect repository
• fix: resolve a3s-effect from its Effect repository in standalone CI
• docs: record the triggered L6 runs on the GA candidate
• docs: note the 9.1.0 unreleased fixes
• fix: carry compact_conversation and context_window_tokens across SDKs
• fix: bound the fact-log confirmation settlement and isolate a pre-existing hang
• docs: record the 9.1.0 L5 Layer C pass and ledger delta
• fix: retry a live Layer C suite once before failing the gate
• fix: pin pager CLI naming assertions to the shipped binary
• fix: bound the /context info snapshot with an explicit timeout
• feat: add Esc interrupt to the thin TUI and share the embedding provider
• fix: restore /goal passthrough and align pager baselines
• fix: enforce tool-owned escalation and delegated visibility bounds
• fix: honor a tool's own requires_confirmation in the safety gate
• fix: render context info for the /context slash command
• feat: implement the full MemoryStore trait on the a3s-vec store
• feat: add the a3s-vec backed durable memory store
• fix: fail fast when the pager has no ACP agent backend
• fix: keep TUI sessions on the fact log through tools, compact, and goals