docs: record the dup/last input ACK, Shift+drag and right-click copy, and multi-case adopted containers

Three behaviours landed from #375 without their doc entries: the
duplicate input ACK now carries `dup:true` and the server's watermark
(`docs/reliable-input-delivery.md` still described a bare ACK), Shift+drag
and right-click copy in the terminal (the shortcut list did not know
them), and one adopted container backing several cases at different
in-container directories (the Docker cases paragraph still implied one
case per container for adopted containers too).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Codeman maintainer
2026-09-14 23:56:19 +02:00
parent 9591b973cf
commit 70fc6b32d5
3 changed files with 14 additions and 5 deletions
+1 -1
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@@ -66,7 +66,7 @@ Tests: `test/docker-hosts.test.ts`, `test/docker-exec-options.test.ts`, `test/do
### Input delivery and WS resilience
**Input**: `session.writeViaMux()` for programmatic/curl input — tmux `send-keys -l` (literal) + `send-keys Enter`. Single-line only (fire-and-once). Interactive **browser** input goes through a durable **exactly-once** layer: each frame carries a stable `clientId` + monotonic per-session `seq`, persisted to localStorage until the server ACKs (`{t:'ia',seq}` over WS, or HTTP 2xx), so a dropped link/reconnect can't lose or double-deliver a prompt. **WS resilience** (#149): the upgrade URL carries `cid = clientId + ':' + perTabNonce`, and `ws-connection-registry.ts` supersedes only same-TAB reconnects (two tabs on one session coexist; input frames keep the bare `clientId` for seq dedup); reconnects back off exponentially (attempts preserved across `_connectWs`), and the header connection chip renders from a real `_wsState` lifecycle (`connecting`/`connected`/`fallback`/`reconnecting`/`disconnected`).
**Input**: `session.writeViaMux()` for programmatic/curl input — tmux `send-keys -l` (literal) + `send-keys Enter`. Single-line only (fire-and-once). Interactive **browser** input goes through a durable **exactly-once** layer: each frame carries a stable `clientId` + monotonic per-session `seq`, persisted to localStorage until the server ACKs (`{t:'ia',seq}` over WS, or HTTP 2xx), so a dropped link/reconnect can't lose or double-deliver a prompt. A duplicate is ACKed as `{t:'ia',seq,dup:true,last}` so a client whose persisted counter rolled back below the server's watermark can lift itself out instead of typing into a silently dead terminal (`docs/reliable-input-delivery.md`). **WS resilience** (#149): the upgrade URL carries `cid = clientId + ':' + perTabNonce`, and `ws-connection-registry.ts` supersedes only same-TAB reconnects (two tabs on one session coexist; input frames keep the bare `clientId` for seq dedup); reconnects back off exponentially (attempts preserved across `_connectWs`), and the header connection chip renders from a real `_wsState` lifecycle (`connecting`/`connected`/`fallback`/`reconnecting`/`disconnected`).
### Per-session env overrides: exact-key allowlist and CLAUDE_CONFIG_DIR
+11 -2
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@@ -50,8 +50,17 @@ each `(clientId, seq)` at most once, so a resend can't type the prompt twice.
last-applied is seen. A replayed/lower seq returns `false`. Bounded MRU map
(`MAX_INPUT_DEDUP_CLIENTS = 256`).
- **WS route** (`ws-routes.ts`) — parses optional `cid`/`seq` on `{t:'i'}`; applies
via `shouldApplyInput` (skips a duplicate, still ACKs with `{t:'ia',seq}` so the
client drops it). Untagged frames apply unconditionally (no behavior change).
via `shouldApplyInput`. An applied frame is ACKed with `{t:'ia',seq}`; a duplicate is
ACKed as `{t:'ia',seq,dup:true,last:<watermark>}`, where `last` is the server's
highest applied seq for that `clientId` (`Session.lastInputSeq`). The client drops
the record either way, and on `dup` it lifts its own counter to `last` first and
re-sends a FIRST-attempt record (a retry being called a duplicate is the mechanism
working: the original landed). Without `last`, a tab killed between a send and the
persisted counter write came back counting BELOW the server's watermark, and every
later keystroke was dropped-but-ACKed: a silently dead terminal a reload could not
fix, since the stale counter was restored from localStorage too. The client now
persists the counter synchronously on every send for the same reason. Untagged
frames apply unconditionally (no behavior change).
- **POST route** (`/api/sessions/:id/input`) — optional `seq`/`clientId` in
`SessionInputWithLimitSchema`; a deduped duplicate returns 200 without writing
(the 200 is the client's ACK). `curl`/legacy callers omit the fields and always