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feat: Rust/Tauri server port + tab-continuity safety trio#520

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danshapiro merged 285 commits into
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feat/rust-tauri-port
Jul 24, 2026
Merged

feat: Rust/Tauri server port + tab-continuity safety trio#520
danshapiro merged 285 commits into
mainfrom
feat/rust-tauri-port

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Summary

Lands the Rust/Tauri port branch on main (284 commits). This is additive: the Rust server lives in crates/ alongside the untouched legacy Node server (server/, shared/, src/ remain the running implementation; the Rust server runs side-by-side, e.g. legacy on :3001, Rust on :3002).

Major contents

  • Rust server port (crates/): freshell-server, freshell-ws, freshell-freshagent, freshell-codex, freshell-sessions, freshell-platform, freshell-terminal — executed against the 233-item parity checklist (docs/plans/2026-07-14-rust-tauri-parity-completion-checklist.md) with per-item acceptance evidence.
  • Tab-continuity safety trio (docs/plans/2026-07-22-continuity-safety-trio.md):
    • Persisted tab-snapshot generations with acceptance-time validation, bounded storage, and safe retention
    • scripts/restore-tabs.sh — one-command tab recovery with delivery-confirmed success
    • scripts/deploy-tab-diff.sh — capture → restart → verify ritual that fails loudly on tab loss
    • npm run smoke:continuity — pre-deploy gate driving the real server + real codex/amplifier/claude CLIs
  • E2E infrastructure: Node/Rust matrix Playwright projects (legacy-chromium / rust-chromium), rust-only regression specs (restore, MCP bridge/QA smoke, codex bounce, tab persistence), owned RustServer harness.
  • Client fixes (superset of what previously landed via fix(restore): bounded resume, breadcrumb, and re-anchor for lost sessions #516/fix(client): persist-empty guard + MCP new-tab resume alias #518): stateless persist-empty guard v2 with rolling backup + user-close intent, persisted-layout salvage (drop only corrupt tabs instead of nuking the layout), restore-flag preservation across interrupted restore rounds.

Merge with main

origin/main (through a853ce0) was merged into this branch pre-landing. 5 client-side conflicts resolved keeping the port branch's newer versions (guard v2 supersedes #518's v1; salvage schema supersedes strict min(1); test file is a strict superset). One auto-merge duplicate (AmplifierIcon in provider-icons.tsx) removed.

Review process

Developed via plan review (3 independent cross-model review iterations) and delta review (5 iterations, 56 blocking findings all fixed same-round). Note: the final delta iteration's fixes (e7a4add) are test-verified but were not independently re-reviewed (iteration cap). Two known minor issues documented in the continuity plan ledger.

Verification

  • cargo test --workspace, cargo clippy --workspace --all-targets — green, no new warnings
  • Coordinated full JS suite post-merge: default + server configs, typecheck — all green
  • Playwright: deploy-tab-diff-rust 5/5, snapshot-restore-rust 1/1, continuity-smoke 1/1

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codex and others added 30 commits July 5, 2026 21:29
…s-registry sync)

Oracle-driven: ran the deferred T3 breadth suite against the Rust server, reconciled
every failure vs the committed ORIGINAL baseline, and found most were already
EQUIVALENT (red-on-original too). Closed the two genuine port gaps:

- crates/freshell-server/src/files.rs  GET /api/files/candidate-dirs (collectCandidate
  Directories) + POST /api/files/validate-dir (isReachableDirectory) — ports files-router.ts.
- crates/freshell-ws/src/tabs.rs  in-memory TabsRegistry: WS tabs.sync.push->ack,
  tabs.sync.query->snapshot, tabs.sync.client.retire + POST /api/tabs-sync/client-retire
  (was stub) — ports ws-handler.ts:3058-3117 + tabs-registry store.ts winner-by-event-time/
  partition/revision-watermark semantics; tabs.sync.ack uses the frozen TabsSyncAck type.

Result: fresh-agent.spec 5/9->9/9, tabs-client-retire 0/1->1/1 (+5 breadth). No-regression:
T0 5/5 + T1 10/10 original≡rust, T3 CORE 25/25 (+6 visual), cargo workspace 358.

Candidate deviation FLAGGED (not self-approved): candidate-dirs HOME fallback — the
original resolves default-terminal cwd to defaultCwd||$HOME at create; the port records
None and applies the identical resolution inside the endpoint (same observable output,
T1 untouched). The faithful fix (record resolved cwd in the registry) touches
terminal.created.cwd + needs T1 baseline adjudication — flagged, not fixed. browser-pane
proxy (1 test) deferred. Additive; server/+shared/ pristine; 0 orphans; :3001 untouched.

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…tone)

Full oracle sweep vs the pristine original, real numbers, nothing overstated:
- T0 protocol 5/5 (handshake deep-equal), T1 terminal 10/10 (bytes sha256-identical),
  T2 codex 2/2 + claude 2/2 (structural deep-equal), mutation 28/28 + e2e RED->GREEN,
  T3 117/126 pass-on-rust + 6/6 visual (8 EQUIVALENT red-on-original, 1 PORT-GAP),
  Rust workspace 400/400. 3 live calls.
- Ledger: DEV-0001 pinned 3/3, DEV-0002 pinned 4/4, DEV-0003 rejected; CD-1..CD-8 +
  candidate-dirs open.

TWO honest gaps the sweep surfaced (NOT papered over):
1. T2-opencode structural baseline FLAKY (dbMessageCount 2->1): harness read-timing
   race — pollForAssistantReply returns at the first sentinel-bearing PART before
   opencode serve commits the assistant MESSAGE ROW; the warm-proxied original baseline
   settled later at msgs=2. A HARNESS determinism bug (opencode.db is written by the
   third-party serve binary, identically for node/rust), NOT a port wire defect. To fix.
2. T3 browser-pane proxy (1 test) — genuine deferred PORT-GAP.
Correction: real workspace is 11 Rust crates + 1 Node sidecar (was mis-stated as 13).

Limitations documented: Windows-elevated golden-string-only, macOS unverified, Tauri
xvfb-smoke-only, batch-framing not built. server/+shared/ pristine; :3001 untouched.

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…sistant row

Resolves EQUIVALENCE-REPORT finding #1 (a flaky oracle is the cardinal sin). The
opencode T2 driver read the isolated opencode.db the instant the sentinel reply text
appeared in the first part (~503ms) — before the third-party `opencode serve` binary
commits the assistant MESSAGE ROW — so dbMessageCount/dbHasAssistantMessage were
nondeterministic (2/true vs 1/false).

Fix (harness-only, applied to BOTH node-original and rust-port capture in the shared
runOpencodeKimiT2): after the behavioral reply edge, gate on a deterministic steady
state — dbMessageCount>=2 AND dbHasAssistantMessage AND sentinel — bounded 15s/250ms
poll, then snapshot; FAIL LOUD if the row never commits (never silently snapshot
partial). opencode.db is written by the serve binary identically for node/rust, so
this changes only WHEN the harness reads, never any server/port behavior. Baseline
untouched (already msgs=2).

Verified twice live (2 Kimi calls): both runs msgs=2/hasAssistant=true, original≡rust
deep-equal GREEN — now stable. Harness-only: git diff server/ shared/ empty; grader +
baseline + codex/claude drivers unchanged. 0 orphans; isolated db; :3001 untouched.

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Reflects the 093c105 determinism fix throughout the report: verdict table row,
headline, §4.3 (resolution banner over the retained finding), summary, known-gaps,
and what-remains. All four oracle tiers are now deterministically original≡rust:
T0 5/5, T1 10/10, T2 opencode+codex+claude all structural deep-equal, mutation
28/28, T3 117/126 (+6 visual; 8 EQUIVALENT-red-on-original, 1 deferred PORT-GAP).

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… oracle deterministic)

The Rust+Tauri port is equivalence-proven original≡rust across all four oracle tiers
(deterministically, after the T2-opencode fix), with an impeccable differential oracle,
all deviations adjudicated, original source never mutated, live :3001 never touched.
Remaining items are honestly-documented follow-up polish (batch framing, Tauri desktop
features, browser-pane proxy, deeper REST breadth, off-host macOS/Windows-elevated).

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…ntine (antagonist)

BATCH-FRAMING TIER (freshell-terminal, replaces the stub_3b.rs todo!()s): faithful
1:1 ports of the stateful VT barrier scanner (output-barrier-scanner.ts, 5 barrier
reasons, cross-frame state), the terminal.output.batch builder with UTF-16
endOffset/serializedBytes (NOT byte offsets) + the serializedBytes 4-pass fixpoint
(output-batch.ts + broker.ts), and the UTF-16 char ChunkRingBuffer attach snapshot.
Wired into freshell-ws behind the terminalOutputBatchV1 capability; the single-frame
terminal.output path stays default + byte-identical (T1 unchanged). Proven ENV-
INDEPENDENTLY: batch_wire_golden 2/2 (rust wire ≡ committed structure goldens
byte-for-byte incl. the multibyte emoji/CJK UTF-16-offset case) + rust ≡ committed
live batch goldens.

ORACLE INTEGRITY — ENV-0001 (antagonist ...cb72533e, REJECTED the implementer's
case-fold weakening): capturing live batch goldens surfaced that the LIVE node-
original runtime THIS SESSION uppercases PTY output (hello->HELLO, ANSI m->M). Root-
scoped (orchestrator + antagonist, independently reproduced): the RUST port is
CORRECT — byte-identical to the durable committed goldens AND a direct node-pty
spawn (stty -olcuc, lowercase); source is PRISTINE (its own earlier goldens are
lowercase); node-pty is exonerated. It is an ENVIRONMENT/BUILD artifact of the live
node-original runtime (dist rebuilt today; precise trigger UNDETERMINED, tracked),
NOT a port defect, NOT a source defect => recorded as ENV-0001 (environment note,
NOT a ledger deviation, zero differ tolerance).
The proposed orig.toUpperCase()===rust.toUpperCase() assertion was REJECTED (masks
divergence, same move rejected in DEV-0001). Replaced in BOTH live T1 test files with
DETECT-AND-QUARANTINE: rust≡committed-golden stays HARD byte-exact (the durable
proof, GREEN); the live-original leg is byte-exact when the original is healthy,
LOUD-SKIPs (ctx.skip citing ENV-0001) ONLY when the original is the exact case-folded
image of its golden AND rust≡golden, and FAILS on any other diff. toUpperCase is only
the skip-vs-fail classifier, never the assertion — self-extinguishing when the env
recovers. STOP-condition never hit: no rust≠golden on any scenario (port correct).
Blast radius: T1/batch live-original leg only (T2 via SDK/SSE/DB, T3 vs the Rust
server — unaffected; all earlier greens stand on the durable golden proof).

cargo -p freshell-terminal 61 (+batch_wire_golden 2/2); workspace 386; T1 legs
rust≡golden green + live legs loud-skip ENV-0001. Additive; server/+shared/ pristine;
0 orphans; :3001 untouched.

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…ard/updater/recovery)

Adds the Electron->Tauri v2 desktop features deferred from 3.13 to crates/freshell-tauri,
each mapped to its electron/*.ts origin. Design: pure headlessly-verifiable decision
logic carries the tests; thin Tauri seams do the display/session-gated work. 8 modules
(3,272 LOC, all <1000), 89 new unit tests.

- hotkey.rs      accelerator translator (CommandOrControl+` -> +Backquote; char->W3C code)
                 + register/unregister/update (hotkey.ts).
- window_state.rs desktop.json geometry serde + multi-monitor off-screen CLAMP (window-state.ts).
- updater.rs     should_update semver decision + latest.json manifest + armed-gate (updater.ts).
- renderer_recovery.rs circuit breaker(3/60s)+backoff+filters, best-effort ReachabilityWatchdog
                 (renderer-recovery.ts) — WRY has no render-process-gone; gap documented, not faked.
- tray.rs        menu model + routing + status refresh + left-click seam (tray.ts).
- windows.rs     wizard(640x500)/chooser(760x720) specs + phase->window + per-window trust gate.
- commands.rs    complete_setup/get|choose_launch_option validators + patch builders (preload.ts).
- config.rs      desktop.json atomic tmp-rename patch.

Verified: cargo build+clippy clean; freshell-tauri 131 tests; workspace green; xvfb smoke
LIVE-registered the translated global hotkey. Display/signing-gated (stated): tray render/
click, OS keypress capture, updater live check/download/install (needs signed release+Ed25519),
rendered wizard/chooser. Candidate deviations flagged (CD-4 tray-status-stale [fixed correct],
CD-5 daemon-dead-end [deferred], CD-7 updater-noop [explicit Disarmed state], window-state
off-screen clamp, tray show/hide-noop) — none silently fixed. Additive; server/+shared/
pristine; 0 orphans; :3001 untouched.

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…tores byte-exact live legs

Root-cause re-check (antagonist's directed follow-up): the live node-original uppercasing
was a STALE/CORRUPT dist/server build (bundled 21:40 this session). `rm -rf dist/server &&
npm run build:server` from the still-pristine source restored correct lowercase output.
Re-run after: t1-equivalence-rust 10/10 byte-exact 0 skips, t1-batch-equivalence-rust 44/44
byte-exact 0 skips — node original now byte-identical to rust + the committed goldens.

The detect-and-quarantine posture self-extinguished exactly as designed (byte-exact
strictness auto-returned once original==golden). Confirms the RUST PORT was byte-for-byte
correct throughout; the quarantine stays as a self-arming safety net. Source pristine;
:3001 untouched.

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…les r/w; e2e matches original

Closes the one genuine T3 PORT-GAP and brings the Rust server to the original's EXACT
e2e pass/fail profile.

- crates/freshell-server/src/proxy.rs (new)  /api/proxy/http/{port}/* loopback reverse
  proxy: strips x-frame-options + CSP so browser panes iframe localhost; 400/502/401
  + cookie-or-header auth (proxy-router.ts:19,84).
- crates/freshell-server/src/screenshots.rs (new)  POST /api/screenshots: atomic write,
  {status,data,message} envelope, scope/pane/tab validation (agent-api/router.ts:1070).
- crates/freshell-ws/src/screenshot.rs (new)  ScreenshotBroker: broadcasts the on-contract
  ui.command/screenshot.capture frame, correlates ui.screenshot.result by requestId, 10s
  timeout (ws-handler.ts:1045-1916). No new wire types (already in the frozen contract).
- crates/freshell-server/src/files.rs (extended)  GET /api/files/read,stat,complete +
  POST write,mkdir (files-router.ts) honoring the allowedFilePaths sandbox.

Result: browser-pane-screenshot:56 RED->GREEN; full external e2e 117/9 -> 118/8, and all
8 remaining fails are EQUIVALENT (red-on-original per the T3 baseline) — the port now
matches the original's exact e2e profile. No regression: cargo workspace 403; oracle
T0 5/5 + T1 10/10 + batch 44/44 + mutation 36/36 + t2-invariants 51/51 (170 total);
visual 6/6. SAFETY: mutating netsh/elevated NOT ported (golden-string only, never live
on DANDESKTOP); only a loopback HTTP read/relay proxy added. Additive; server/+shared/
pristine; 0 orphans; :3001 untouched.

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…ps landed)

EQUIVALENCE-REPORT §0.1 addendum + STATE record the post-capstone follow-ups: 3.16 batch
framing, 3.17 Tauri desktop features, ENV-0001 raised+resolved (stale dist build), 3.18
REST breadth. External e2e now 118/126 — the port reproduces the original's EXACT
pass/fail profile (remaining 8 = EQUIVALENT red-on-original). 11 Rust crates + 1 Node
sidecar; all four oracle tiers original≡rust; oracle deterministic + self-healing.
Remaining is the documented off-host ceiling (macOS; live Windows-elevated). Source never
mutated; :3001 never touched.

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… session history

Makes three more retained-SPA surfaces FUNCTIONAL against the Rust server (faithful-port +
unit + curl-smoke proven; NO differential-oracle baseline exists for these — stated in each
module header).

- extensions.rs  GET /api/platform.availableClis (real which/where.exe detection) + GET
  /api/extensions (5-entry client registry) so the pane picker surfaces claude/codex/opencode
  as the original does (platform.ts:84-118, extension-manager.ts:62-191, extension-types.ts).
- network.rs     GET /api/network/status — full NetworkStatus from live READ-ONLY netsh/ipconfig
  reads (cached); mutations stay golden-string in freshell-platform, NOT wired (network-manager.ts).
- session_directory.rs  GET /api/session-directory — claude transcripts via freshell-sessions,
  sort/filter/cursor/revision (sessions-router.ts, session-directory/service.ts). Unit-tested
  against the committed test/fixtures/sessions/*.jsonl.

"Fix bugs, don't replicate": the original's z.coerce.boolean() "false"->true footgun is NOT
replicated (matched the client's actual '1'-or-omit contract); reported, can't manifest.
cargo workspace 423; live curl smokes confirm every shape + 401 on no-token. Windows reads
STATUS-only (never mutating on DANDESKTOP). Additive; server/+shared/ pristine; 0 orphans;
:3001 untouched.

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…ron compat)

The Rust GET /api/health returned only {ok,ready}, so the LEGACY Electron launcher's
server discovery (electron/launch-discovery.ts: requires health.app==='freshell' &&
health.ok===true) did not recognize the Rust server — the old Electron app couldn't
auto-detect or remote-connect to it.

Now returns the SAME 7-field shape as the original server/health-router.ts:14-21:
{ app:"freshell", ok:true, requiresAuth:true, version, ready, instanceId, startedAt }.
- freshell-api: ApiState carries version/instance_id/started_at; health_body emits the
  fields in the original's order; still UNAUTHENTICATED (auth.ts lets /api/health through).
- freshell-server/main.rs: threads the SAME serverInstanceId as the WS ready handshake
  (health.instanceId == ready.serverInstanceId, verified), the SAME version /api/version
  reports (shared Arc — can't disagree), and an ISO-8601 startedAt (chrono, millis+Z).

Verified on the rebuilt RELEASE binary: /api/health => app:"freshell"+full shape;
Electron predicate app==='freshell'&&ok===true => true; instanceId==ready.serverInstanceId;
version==/api/version.currentVersion. Remote-connect path assessed COMPATIBLE (no fix
needed): validateServerAuth GETs /api/settings with x-auth-token (Rust: 200 good / 401
bad), and there is NO client-vs-server version gate (health.version is display-only).
cargo -p freshell-api 3/3; workspace(excl tauri) 424; no-regression. Additive;
server/+shared/ pristine; 0 orphans; :3001 untouched.

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…can reach it)

Real fidelity bug the oracle masked. The standalone freshell-server defaulted to
127.0.0.1, so on WSL2 the Windows host (a browser, or the LEGACY ELECTRON app) could
NOT reach it across the WSL2 NAT boundary — "the configured server is unavailable".

The ORIGINAL server/get-network-host.ts:40-42 binds 0.0.0.0 on WSL ("not remote
access, basic WSL2 functionality"). main.rs now delegates to freshell_platform::
network::resolve_bind_host with real /proc/version WSL detection (is_wsl_proc), so:
- WSL (no override)     -> 0.0.0.0  (reachable from Windows at the WSL IP + localhost fwd)
- FRESHELL_BIND_HOST=.. -> honored verbatim (0.0.0.0/127.0.0.1)
- else                  -> 127.0.0.1

The oracle never caught this because its harness always forces
FRESHELL_BIND_HOST=127.0.0.1 for isolation — which is still honored, so T0/T1/T2/T3
stay loopback and unaffected. Verified on this WSL2 host: default boot now listens
0.0.0.0:PORT and answers at 172.30.149.249:PORT; the 127.0.0.1 override still pins
loopback. freshell-platform + freshell-server tests green. Additive; server/+shared/
pristine; :3001 untouched.

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… transcripts)

Real crash the oracle's ASCII fixtures never exercised. strip_image_tags (a port of
the JS regex /<\/?image[^>]*>/g) sliced a &str as `s[j..j+5]`; when j+5 landed inside
a multibyte UTF-8 char — arrows `→` (3 bytes) are ubiquitous in real AI transcripts —
Rust panics ("end byte index N is not a char boundary; it is inside '→'"), killing the
session-indexer tokio worker on the user's real ~/.claude/~/.codex data (repeating).

The original JS handles Unicode fine, so this is a PORT defect, not a deviation — fixed
to match the original's correct behavior (don't replicate a bug the original never had).
Fix: compare on BYTES, not a &str slice — `bytes[j..j+5].eq_ignore_ascii_case(b"image")`
(byte-slicing is boundary-agnostic; "image" is ASCII → exact panic-free equivalent).

Audited every sibling slice in text.rs + time.rs: line 391 was the ONLY char-boundary-
unsafe &str slice; the rest are &[u8] byte slices (238, 466) or open &str slices whose
index is ASCII-advanced (45, 417-425, 447, time.rs) → all boundary-safe. Added
char_boundary_tests: the exact `<→→` crash pattern, a 64-arrow run, tag removal around
multibyte, and a broad normalize/extract no-panic sweep.

Verified: cargo -p freshell-sessions green (incl. 3 new tests); the rebuilt release
server booted against the REAL session homes (read-only) indexes with ZERO panics.
Additive; server/+shared/ pristine; :3001 untouched.

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…cross-compile)

Enables building freshell-server.exe (native Windows PE32+) from this WSL2 host, so the
"Windows server" half of the client/server matrix is reproducible. Scoped to the
windows-gnu target only — the default Linux build is untouched. Recipe: rustup target
add x86_64-pc-windows-gnu + apt mingw-w64, then cargo build --release -p freshell-server
--target x86_64-pc-windows-gnu. No source changes needed (port crates were already
cfg-guarded for Windows); rusqlite(bundled) + portable-pty(ConPTY) cross-compile clean.

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… the CLI (matrix bug)

Screenshot matrix (WSL-server × Chrome) caught a real port defect the oracle's
shell-only fixtures never exercised: crates/freshell-ws terminal.rs handle_create
mapped only `shell` and always called the shell-only spawn, IGNORING terminal.create
`mode`. So a "Claude CLI"/"Codex CLI"/"OpenCode" pane (mode:claude/codex/opencode,
shell:system) silently spawned /bin/bash instead of the CLI (proven: the pane showed
the Ubuntu MOTD + a bash prompt).

The original buildSpawnSpec (server/terminal-registry.ts:1073,1256-1266) branches on
`mode` and launches the coding CLI. Fix (additive, port crates only, faithful):
- freshell-platform/spawn.rs: resolve_cli_launch (envVar->defaultCommand base of
  resolveCodingCliCommand) + build_cli_spawn_spec (the CLI tail of buildSpawnSpec:
  {file:cli.command, args, unix cwd, env}).
- freshell-ws terminal.rs: handle_create resolves a registered CLI mode -> CLI launch;
  else the shell path (native-Windows CLI + unknown modes fall back to shell).
- freshell-server/main.rs: populate WsState.cli_commands from the extension registry.

Matrix result after fix (port/oracle/matrix/*.png): CMD, PowerShell, WSL(bash),
Claude CLI, Codex CLI, OpenCode, Browser all PASS (real cmd.exe/powershell.exe via
interop, native bash, and each CLI renders its live UI); Editor ENV-LIMITED (Monaco
loads from jsdelivr CDN — reproduces on the original Node server, not port-differing).

KNOWN FOLLOW-UP (candidate deviation, tracked): CLI argv is the base command only;
the enhancement layers (MCP-config injection, turn-complete notification args, OpenCode
loopback control endpoint, resume/model/sandbox/permission args) are deferred to a
dedicated fidelity pass — the CLI launches + renders but argv is not yet byte-identical.
cargo platform/ws/server green. Additive; server/+shared/ pristine; 0 orphans; :3001 untouched.

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…ore C:\Windows)

Matrix re-run (vision-reviewed) found cmd.exe/powershell.exe launched from the WSL
server fell back to C:\Windows ("UNC paths are not supported"). Root cause (empirically
proven via %CMDCMDLINE%): WSL argv->cmdline interop escapes the quotes in `cd /d "<win>"`
as \" which cmd's builtin cd rejects, and with no proc cwd the child inherits the
server's cwd as a \\wsl.localhost\... UNC -> rejected. Shared argv with the original, but
strands cmd.

Fix (fix-bugs-don't-replicate): wsl_windows_shell_inherit_cwd gives the WSL-spawned
Windows shell a valid /mnt/<d>/... cwd to INHERIT (WSL maps it to the intended Windows
dir), gated on the mount existing via the FileProbe seam so it never risks a chdir spawn
failure — leaving every transcribed buildSpawnSpec golden + the T1 oracle unchanged.
(resolve_launch_cwd was already ported/wired in path.rs; the earlier "missing" premise
was stale — confirmed + reused in place.)

Harness hardened + re-run (WSL-server × Chrome): non-/tmp scratch HOME (Codex no longer
warns), real /mnt workspace cwd, CLI steady-UI settle, driven Browser (example.com) +
Editor (Monaco mounts + typed text), distinct overview. Result: 8/8 PASS, 9/9 byte-
distinct screenshots (cmd/powershell now land in the workspace cwd, not C:\Windows;
claude/codex/opencode show steady UIs). platform 19/19 (+4 inherit, +2 UNC->None);
workspace(excl tauri) 431 no-regression. Additive; server/+shared/ pristine; 0 orphans;
:3001 untouched.

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…/8 PASS

The Windows-server × Chrome matrix cell found the deferred branch: handle_create
(freshell-ws terminal.rs) hard-coded cli=None on native Windows, so mode:claude/
codex/gemini panes fell through to a bare cmd.exe /K and the CLI UI never painted
(created=false, 30s timeout).

Fix (additive, faithful):
- freshell-platform/spawn.rs: build_windows_cli_spawn_spec — ports the CLI tails of
  buildSpawnSpec's Windows branches (terminal-registry.ts:1163-1172 wsl, :1202-1208
  cmd, :1235-1248 powershell) + helpers; 9 golden unit tests. The cmd branch carries
  a documented PORT-FIX quoting gate: the reference quoteCmdArg's every part under
  node-pty, but portable-pty rebuilds the cmdline with MSVC ArgvQuote rules which
  re-escape embedded quotes into forms cmd.exe can't parse (same interop-mangling
  class as wsl_windows_shell_inherit_cwd) — parts are emitted bare when they need no
  quoting, with procCwd backstopping cd /d. Flagged in-code as candidate deviation.
- freshell-ws terminal.rs: CLI resolved on all platforms; Windows routes through the
  new builder.
- Harness: codex's first screen in a fresh workspace is its directory-trust prompt
  (no literal "codex" — diagnosed via buffer dumps); npm .cmd-shim CLIs cold-start
  slowly on Windows (gemini blank >45s then full UI) → 90s launch window.

Re-run (native freshell-server.exe via interop, ConPTY): 8/8 PASS — cmd/powershell/
wsl (marker + workspace cwd), editor (Monaco), browser (navigation), claude (steady
UI), codex (trust prompt), gemini (full UI). opencode ENV-LIMITED (where.exe: not
installed on Windows PATH; passes in the WSL cell). platform+ws tests green; both
binaries rebuilt; goldens preserved. Additive; server/+shared/ pristine; 0 orphans;
:3001 untouched.

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…WIP, unit-tested only

Preserves the work from an interrupted matrix run. crates/freshell-tauri/src/provisioning.rs
(332 lines): 1:1 port of electron/desktop-provisioning.ts parseProvisioning (KEY=value,
token may contain = " \\, verbatim) + the one-time desktop.provision apply (persist
{serverMode:'remote',remoteUrl,remoteToken,setupCompleted} via the atomic desktop.json
patch, ALWAYS remove the file) + the entry.ts:260-274 / startup.ts:360-380 auto-connect:
when FRESHELL_REMOTE_URL+FRESHELL_TOKEN (or the provision file) are present, SKIP the
app-bound spawn and load ${remoteUrl}/?token=${remoteToken} in the webview.

STATUS: cargo test -p freshell-tauri 144+1 green (parse/apply/decision units). NOT yet
live-validated — the Tauri×WSL and Tauri×Windows-server window runs (WSLg screenshots)
are the next matrix legs (see port/HANDOFF.md).

Also commits run-rust-server.sh: local convenience launcher that runs the Rust server
with the LEGACY token from /home/dan/code/freshell/.env (machine-specific paths).

Additive; server/+shared/ pristine; :3001 untouched.

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…on of done)

HANDOFF.md: mission + standing directives, geography, crate architecture, the four-tier
oracle + matrix harnesses, everything proven (with commits), the 12-bug fix log, ledger
state, hard-won operational recipes (Windows-server launch/env/reap, Tauri/WSLg, mirror-
client driving, vision review), the prioritized remaining-work queue (Tauri legs A/B,
Electron click-through, CLI argv fidelity, interchange sweep, documented ceiling), the
non-negotiable invariants, and a key-file index.

GOAL.md: success criteria only (not process) — functional equivalence across all four
oracle tiers; the full client×server matrix with vision-verified screenshot evidence and
honest ENV-LIMITED records; interchange on the user's legacy token; defects fixed-never-
replicated with adjudicated deviations; source purity + host safety inviolable; delivery
on feat/rust-tauri-port with final honest reports.

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…dversarial reviews

Commits the four artifacts left uncommitted by the 2026-07-08/09 TauriDebugVM
sessions (which had no shell), after applying every fix the adversarial reviews
demanded:

SECURITY (vm-bridge review: ACCEPT-as-dormant, 2 mandatory conditions + F1/F3):
- .gitignore: port/vm-bridge/{inbox-*,outbox-*,quarantine-*}/, alive-*.txt,
  outbound/ -- a committed inbox file would execute on checkout/pull on any
  machine with a live watcher (git pull == RCE). Verified via git check-ignore.
- README: DORMANT banner (do not start a watcher), F2 re-scoped ban (never run
  the WSL watcher while the worktree is shared), temp-then-rename write protocol.
- Both watchers: F1 startup quarantine -- pre-existing inbox files are moved to
  quarantine-<ts>/ un-executed instead of running on the first loop.

RECORDS (records audit):
- STATE.yaml: constraints.vm_only marked SUPERSEDED 2026-07-10 (user rescinded
  the VM-only directive; DANDESKTOP execution sanctioned again); blocker
  ENV-VM-EXEC-2026-07-08 -> RESOLVED-BY-RELOCATION; CRLF noise normalized to LF.
- BLOCKER doc: addendum (resolved by relocation; findings still valid for any
  future VM sandbox). PLAN-2026-07-09: SUPERSEDED banner, kept for salvage
  (Electron installer location, VM inventory, bridge discipline).
- vm-bridge README: the verbatim dead directive now carries the supersession.
- HANDOFF.md: 2026-07-10 addendum pointing at all four artifacts.

SPEC rev 2 (cli-argv-fidelity.md, verdict SOUND-WITH-CORRECTIONS -- every
correction re-verified against the reference source in this session):
- G-C1 relabeled resolver-level-only; live fresh claude ALWAYS gets a
  preallocated --session-id (ws-handler.ts:2048-2064); G-C3 is the live golden.
- G-W1 corrected: native-Windows host + WSL branch embeds HOST-form (Windows)
  MCP paths, not Linux-form (cw:91 needsWinPaths; new section 2.6 note).
- U5 -> BLOCKER B1: cmd.exe is the DEFAULT native-Windows shell
  (resolveShell tr:949-953), so the claude --settings JSON flattening gates the
  native-Windows leg; live check required before declaring it done.
- U4 corrected: settings store DOES enforce sandbox/permissionMode enums
  (shared/settings.ts:659-669); only model is free-string.
- Added omitted gemini/kimi generateMcpInjection branches (cw:277-284) +
  goldens G-G1/G-K1; gemini is the only env-returning branch
  (GEMINI_CLI_SYSTEM_DEFAULTS_PATH).
- U3 closed with executed proof (reference lines tr:217-219 evaluated; bell
  strings + settings JSON byte-identical to the spec constants).
- tsx dev path corrected to dist/loader.mjs (require.resolve verified).

server/ shared/ src/ untouched (purity verified).

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…o truncation

The rev-2 hardening builder received the adversarial review only in truncated form and
explicitly requested a cross-check against the full review text. That cross-check found
six accepted findings missing from rev 2; this patch restores them:

(a) §3.3 error surface pinned to the REAL sendError mapping (ws-handler.ts:2606-2614):
    CodexLaunchConfigError->INVALID_MESSAGE, TerminalCreateAdmissionError->INTERNAL_ERROR,
    else PTY_SPAWN_FAILED with the exact reference message; success criterion 3 pins the
    code. Plus the unknown-mode divergence stated explicitly (reference throws
    UnknownTerminalModeError tr:1073-1074; port falls back to shell terminal.rs:322-325).
(b) B1: the PS branch is NOT "safe by construction" for quote-bearing payloads — struck
    per review; BOTH cmd and powershell branches need the live quote-bearing check.
(c) §3.1 template-substitution split pinned: compileArgTemplate replaceAll (index.ts:100)
    vs resumeArgs first-occurrence .replace (index.ts:250-251); Rust replacen(..,1) for
    resume.
(d) §3.3: effective cwd resolved as opts.cwd || getDefaultCwd || homedir (tr:1565)
    BEFORE mcp_cwd — wrong source flips opencode throw-vs-launch (cw:304-309).
(e) §1.1: resolveCodingCliCommand has FOUR call sites (tr:1165,1204,1237,1262).
(f) Port-allocator seam is LoopbackPortAllocator in freshell-opencode/src/transport.rs:323
    (not serve.rs); §3.3 + §3.4 corrected.

Spec header carries the rev 2.1 changelog. server/+shared/+src/ pristine.

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…ct-equivalence coverage + full QA criteria)

Replaces the 2026-07-08 handoff wholesale (deleted, same path so all pointers hold).
Written for the NEXT agent's environment: WSL2 shell + PowerShell interop (WSL x
Windows combinations verifiable), NO legacy freshell installation (original runs from
source via npm start; Electron client builds from source — electron ^33 devDependency),
and a NONSTANDARD test-port rule (17870-17899 only; 3000-3010 banned).

Contents: §0 environment/ports/token; §1 mission + binding directives; §2 geography +
crate map + build recipes (incl. Windows cross-compile); §3 Phase-0 capability probe +
provisioning; §4 proven state + 12-bug log + ledger; §5 verbatim run recipes (original,
Rust WSL, Rust native-Windows exe with env-wrapper/reap, Tauri app-bound+remote,
Electron-from-source, client driving/screenshots); §6 the differential equivalence
method (real running systems A/B, comparison levels, mutation-proof rule) + tier
commands; §7 the FULL coverage contract A-I (protocol, terminal bytes/lifecycle, REST
endpoint-by-endpoint sweep, CLI/argv fidelity incl. B1, the client x server matrix
with original-parity bar, interchange, Windows-specific, desktop-shell parity,
robustness); §8 FULL QA criteria (pass definitions, evidence standard, regression
gates, vision protocol, ENV-LIMITED protocol, deviation governance, sub-agent
verification, final-report requirements); §9 priority queue; §10 fifteen known traps;
§11 file index.

server/+shared/+src/ pristine.

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…y in 2 steps

Kit for continuing the port on a fresh Windows laptop (no WSL, no toolchain, no
legacy freshell — the exact HANDOFF v2 target profile). Contents:
- 1-install-wsl.cmd: WSL2 + Ubuntu install (admin + reboot; the only human-gated step)
- 2-bootstrap-wsl.sh: idempotent WSL provisioning — apt toolchain (mingw-w64 cross,
  Tauri GUI deps, imagemagick/tesseract/xdotool), rustup + x86_64-pc-windows-gnu,
  node 22 (nvm), clone @ feat/rust-tauri-port, npm ci + sidecar + playwright
  chromium, builds original reference + both Rust server binaries + tauri (warn-only)
- README.md: order of operations + the human-only credential steps (CLI auth, git
  push, agent keys) + pointer to port/HANDOFF.md / GOAL.md and the 17870-17899 rule

Also staged verbatim on the target laptop via RDP drive redirection at
C:\Users\Public\freshell-bootstrap\ (.cmd converted to CRLF). server/+shared/+src/
pristine.

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Record setup-only state, installed user-space dependencies, Amplifier bundle configuration, missing staged auth archive, sudo-owned toolchain gate, and CLI credential status. No Phase-0 probe, port build, test, server, oracle, recipe, or implementation was started.

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… the bootstrap kit

The kit-staging PowerShell invocation suffered bash backslash-mangling: '\\tsclient\C\...'
collapsed to a RELATIVE 'tsclient\C\...' path, so Copy-Item wrote a local phantom tree
(port/laptop-bootstrap/tsclient/C/Users/Public/freshell-bootstrap/) instead of the RDP
share — and `git add port/laptop-bootstrap/` then swept those 3 duplicate kit files into
b7b50ff. Contents were only the kit duplicates (README, 1-install-wsl.cmd,
2-bootstrap-wsl.sh) — NO secrets (object-db scan of all refs confirms no
amplifier-config/keys.env anywhere in history; the API-key tarball phantom landed in the
MAIN repo untracked and was deleted before any commit).

The real laptop copy has since been redone via a .ps1 script file (no shell-quoting
layer, literal UNC), liveness-proven against laptop-only content and hash-verified.
Lesson recorded: never pass UNC paths through bash-quoted -Command strings; use script
files. server/+shared/+src/ pristine.

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Record the verified staged archive, successful Anthropic and OpenAI provider tests, real Haiku end-to-end response, secure public tarball removal, and restored self-driving app composition. Port execution remains intentionally unstarted.

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Preserve appendWindowsPath=false as an intentional host policy. Define canonical WIN_* absolute executable paths for each session and update every runnable Windows probe, launch, screenshot, cleanup, and evidence command to avoid PATH lookup. Refresh CLI versions and Windows availability.

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…le 98/98, cargo 439+145)

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codex and others added 29 commits July 23, 2026 05:15
… from a snapshot generation

Drives the existing POST /api/tabs create pipeline (the identity-stamping
path) per snapshot pane; unsupported kinds reported loudly, never silent.
Full scope of what this commit adds:

- target-client gate: restore requires EXACTLY ONE capable connected browser
  (409 otherwise), counted via the ScreenshotBroker's capable-client count
- force / dryRun semantics: 'force' is an explicit operator override of the
  gate and of already-restored skips (it loads and preserves prior marker
  history, and live-terminal reconciliation still prevents duplicates);
  'dryRun' bypasses the gate, creates nothing, and reports what would happen
- write-ahead per-device restore marker (last-restore.marker, atomic
  tmp+rename, .new in-flight temp invisible to the ws orphan-tmp sweep):
  'in-progress' recorded before each create, terminalId recorded after it,
  promoted to 'restored' on delivery ack; reruns skip restored panes and
  reconcile in-progress panes against the live TerminalRegistry; a failed
  marker write is a loud 500 (markerError) echoing what was already done
- verified delivery: a per-pane screenshot round-trip ack to the target
  client; an ack timeout fails that pane (delivery-unconfirmed) and every
  remaining supported pane (connection-dropped)
- component bundles: the restore body accepts components:[generationId,...]
  and restores the captured multi-client union via
  read_generations_union_by_ids (deploy remediation path)
- strict sessionRef preflight: a present-but-invalid sessionRef fails the
  pane (session-identity-mismatch) before anything spawns
- makes create_terminal_or_content_tab pub so restore can drive it in-process

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🤖 Generated with [Amplifier](https://github.com/microsoft/amplifier)

Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>
The --list path piped curl straight into jq, so under set -euo pipefail
an HTTP failure exited with curl's own code (22) and only curl's stderr
line -- violating the script's stated contract (exit 1 on any HTTP
error, loud human-readable errors). Capture the response with the same
|| guard the restore path already uses, print a loud ERROR line to
stderr, exit 1, and feed the captured body to the unchanged jq
formatter. Success output, flags, and other exit codes are unchanged.

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…e reconciliation

Per the plan's stated behavior contract (docs/plans/2026-07-22-continuity-safety-trio.md:1623),
a rerun WITHOUT force over a pane marked 'restored' must be reported as
skipped{already-restored} even when its terminal is still running. The
implemented ordering ran live-terminal reconciliation first, so a rerun of a
fully-successful restore re-acked live terminals and reported them in
restored[] (reconciled:true) instead of restored=0.

Reorder: evaluate the !force already-restored skip BEFORE reconciliation.
The two paths now operate on disjoint marker states — the skip applies to
state=='restored' when !force; reconciliation still covers crash-window
'in-progress' panes (always) and 'restored' panes under force (where the skip
is bypassed and reconciliation must still prevent duplicate creates). Nothing
was ever re-created on such reruns; only the report shape changes, making the
restored=N line truthful. All existing restore unit tests pass unchanged.

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…ith the same sessions

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…ip block

The reorder of the !force already-restored skip ahead of live-terminal
reconciliation was implemented as a copy, not a move: the original skip
block remained downstream and was unreachable (any pane matching
!force && state=="restored" is consumed by the earlier block, and the
reconciliation branch always continues). Deleting it also fixes the
step-comment numbering, which had two blocks labeled "(2)".

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…tests) for historical-regression proof runs

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… run smoke:continuity)

Real freshell-server + real codex/amplifier/claude resume legs; seeded
MARKER transcripts asserted through the server scrollback mirror after a
no-reload server restart and again after a page reload.

HONEST SCOPE: as committed here the 'continuity-smoke' Playwright project was
registered UNCONDITIONALLY, so a project-less run (e.g. a bare
'npx playwright test') would still execute it -- the spec was NOT actually
outside the default matrix yet, despite the intent. A follow-up commit
(fix(e2e): gate continuity-smoke project out of project-less playwright runs)
gated the registration behind FRESHELL_SMOKE / an explicit
--project=continuity-smoke argument.

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…t runs

The continuity smoke is a pre-deploy gate that spawns real
codex/amplifier/claude CLIs and hard-fails on machines without provider
auth (e.g. no readable ~/.codex/auth.json). Registering its project
unconditionally meant a bare project-less run — including the default
`npm run test:e2e` — executed it as part of the default matrix.

Register the project conditionally (mirroring the existing CI-only
browser-project spread): included only when FRESHELL_SMOKE=1 is set or
`--project=continuity-smoke` is passed explicitly. The `smoke:continuity`
npm script now sets FRESHELL_SMOKE=1 via cross-env. Spec file and
RUST_ONLY_SPECS/testIgnore entries unchanged.

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…ASS @Head)

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… across a restart (read-only)

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…ed (%s, shell-safe hex list)

bash printf %q escapes commas (aaaa1111\,bbbb2222), breaking the plan's
documented copy-pasteable remediation contract and its machine-extraction
shape ([0-9a-f,]+) on multi-client devices. Components are comma-joined
hex digests -- shell-safe by construction -- so %s is correct; --url and
--device keep %q (arbitrary bytes).

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…tart, loud red on identity loss

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…'s in-flight temp file

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… reason) on failures

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Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>
Add restore-key reconciliation, a multi-source marker ledger with loud read failures, fail-closed selectors, all-or-missing component lookup, targeted pane filters, shared persistence locking, and per-attempt acknowledgement nonces.

Forward captured shell and other pane metadata into create and UI payloads. This commit preserves the requested shell value in client state but does not apply it to the spawned shell process.

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…ertion

Pre-existing unformatted assertion (from an earlier commit) surfaced by
running `cargo fmt` across the crate; formatting-only, no code change.

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Fetch the generation index before and after capture and retry when its sorted generation-id projection changes. This detects many mid-capture pushes, but it does not guarantee coherence when generation ownership or ordering changes without changing that digest multiset.

Also mirror newest-per-client bundle selection, replace output atomically in the destination directory, and print pane-targeted restore remediation.

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Correct the standalone auth and cleanup examples, conditional smoke-project registration, historical pipeline status capture, and embedded restore and deploy scripts. Refresh the related targeted-remediation notes.

This commit addresses those six reviewed steps; it does not claim every executable runbook step is correct.

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Use immutable generation-file identities and strict persisted schema validation; bind restore delivery and acknowledgements to one connection; validate marker/control state and preview marker outcomes; apply requested shell selection; bound marker sources; and durably sync generation and marker replacements.

Findings: 1-7, 9-10
Compare client identity, generation order, capture time, revision, and immutable generation id across the capture fence. Add an offline regression proving same-digest ownership churn is rejected without overwriting the prior artifact.

Finding: 8
Replace the obsolete restore sketch with shipped-source guidance; correct the real-CLI probe fixtures and prerequisites; make smoke-spec listing checks select the intended projects; and accept the documented historical Codex behavior failure in the regression gate. Refresh surrounding behavior notes to match the fixes.

Findings: 11-14
…dation

Address five blocking findings from independent review of the restore path:

- Reconciliation no longer trusts a live-ledger entry as proof of delivery:
  the restore marker records the target connection and a replayable creation
  command, and retry replays tab.create to the current client before the
  screenshot fence when delivery to it is unproven.
- A failed screenshot acknowledgement during reconciliation now reports
  delivery-unconfirmed, marks the connection dropped, and stops the run
  before later panes (matching the new-creation path's contract).
- Device eviction respects a restore-scoped lease so a concurrent snapshot
  push can no longer remove_dir_all the source device directory (including
  last-restore.marker) while a restore is in flight.
- Persisted-snapshot validation is now kind-aware: unknown pane kinds,
  missing kind-required fields, and invalid enum values (e.g. terminal mode,
  editor view mode) fail loudly instead of silently defaulting to shell;
  the test that treated the unsupported editor view mode "rendered" as
  valid is corrected.
- force:true now actually repairs missing browser/editor panes in the same
  server process by resending the creation command (replacing the stale tab)
  instead of treating any content-ledger match as live; live terminals are
  reissued under a new UI identity without duplicating the PTY.

New tests exercise the previously bypassed production paths: retry replay
after target-connection change, reconciled-pane ack failure stopping later
panes, eviction interleaving through the real restore handler (no manually
held lock), strict-schema rejection cases, and in-process force repair for
browser/editor/terminal panes.

cargo test --workspace passes (all crates); shellcheck-clean scripts are
committed separately.
…teria

Address the remaining blocking finding on the one-command remediation:

- restore-tabs.sh gains a --force flag that passes force:true to the
  restore API, so the remediation can repair panes that were previously
  restored and are missing again.
- Success is no longer 'no .failed entries': the script now requires
  delivery-confirmed restores, and a run where every requested pane was
  skipped as already-restored (without --force) is reported as a failure
  with guidance to re-run with --force, instead of silently doing nothing.
- deploy-tab-diff.sh's printed remediation now matches the script's real
  behavior by including --force for repeat recovery.
- deploy-tab-diff-rust.spec.ts adds offline coverage of the new flag and
  success criteria plus a live repeat-recovery case (restore, remove the
  pane again, remediate with --force).

shellcheck passes on both scripts.
…ard retention

Address independent review findings on the restore/persistence layer:
- tabs.sync.push now validates envelopes and every open record through the
  strict persisted-generation validator before any registry/disk mutation;
  malformed pushes are rejected with INVALID_MESSAGE (test: no persistence)
- generation ordering (newest/union/label selection, per-client pruning)
  ranks by monotonic snapshotRevision with capturedAt tiebreak; clock
  rollback can no longer hide or prune a later revision (test added)
- retention no longer fails open: in-memory accounting only drops victims
  whose FS deletion succeeded; device_count decrements only on successful
  remove_dir_all; deletion-failure tests for per-client/global/device paths
- enforce_device_cap returns retryable WouldBlock instead of creating an
  over-cap device dir when every eviction candidate holds a restore lease
  (all-candidates-leased test)
- forced restore of a live terminal preserves the original tab/pane IDs so
  the reused PTY's FRESHELL_TAB_ID/FRESHELL_PANE_ID stay valid (env test)
- screenshot sinks propagate channel-send failure; forced replacement keeps
  enough marker state to close both identities on retry after unconfirmed
  delivery (test proves one stable identity, one PTY, no orphan)
- scratch editors (filePath: null) restore as scratch panes instead of
  failing missing-filePath (round-trip test)
- terminal mode enum enforced at validation time; unknown modes rejected
  loudly (bogus-mode test)
…binary

- deploy-tab-diff.sh checks every failure-capable command in the capture
  path (URL encoding, extraction, per-device mv, coherence projections,
  output publication) and aborts rather than publish an incoherent
  artifact; final shape check cross-checks .devices/.bundles completeness;
  mv fault-injection e2e test proves the prior artifact is preserved
- rust-server.ts resolves the historical-binary override to one absolute
  path used for validation, hashing, AND spawn, closing the hash-one/run-
  another PATH-resolution gap; slashless relative-path test added
- mark already-implemented steps historical; the missing-route red step no
  longer claims an unachievable Expected: FAIL at current HEAD
- embedded restore script and deploy remediation marked superseded by the
  shipped scripts/restore-tabs.sh (--force, delivery-confirmed success,
  all-skipped failure)
- branch-model instructions now follow AGENTS.md: feature branch from
  origin/main, explicit approval before PR, PR targets main
…restore marker

Fixes the 3 code blockers from fresheyes-delta iteration 5 (final):

- Acceptance-time validation no longer hardcodes seven terminal modes:
  any nonempty mode string is structurally valid at persistence time
  (restore-time resolution still guards actual spawning), so tabs using
  custom CLI extension modes are accepted and persisted. Empty/missing
  modes are still rejected. Adds an end-to-end tabs.sync.push acceptance
  + persistence test for a registered custom extension mode.

- Generation ordering: (snapshotRevision, capturedAt) is used only
  within a single (device, client) scope where revision monotonicity
  holds; across clients, ordering uses server-generated capturedAt with
  a deterministic tie-break. Applied to newest-generation selection and
  global retention eviction. Regression tests: newer low-revision client
  beats older high-revision client for generation=0; global retention
  evicts genuinely oldest-by-capturedAt files; within-client clock
  rollback behavior unchanged.

- Restore marker is now explicitly bounded: 64 MiB serialized byte cap,
  per-source pane-count cap, and identifier length caps, enforced
  fail-loud before any side effects. Marker persistence reduced to one
  write-ahead write per pane plus a final write, preserving the
  write-ahead crash-safety ordering (pane record durable before its
  creation command is sent). Boundary tests at/over each cap plus a
  write-ahead ordering test.

Record correction (review issue 4, no history rewrite): commit c8969f6
claimed "the restore marker records the target connection and a
replayable creation command"; in fact the durable PaneMark holds only
state + terminalId, while creation command and connection live in
process-local restore_keys and do not survive a restart (reconciliation
then reports in-progress-unconfirmed). This commit corrects that record;
the durable-marker behavior itself is unchanged here beyond the bounds
above.

Verification: cargo fmt --check (only pre-existing directory_index.rs
diff, outside delta); cargo clippy --workspace --all-targets (no new
warnings); cargo test --workspace green; Playwright rust-chromium
deploy-tab-diff-rust 5/5 + snapshot-restore-rust 1/1; continuity-smoke
1/1. Frozen paths (server/, shared/, src/, dist/client) untouched.

🤖 Generated with [Amplifier](https://github.com/microsoft/amplifier)

Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>
Brings the port branch up to date with main (51 commits, through
a853ce0) ahead of landing the Rust/Tauri port on main.

Conflict resolutions (5 files, all client-side; port side kept):
- src/store/persistMiddleware.ts + test/unit/client/store/
  persistTabsEmptyGuard.test.ts: port's stateless persist-empty guard
  v2 (rolling backup + user-close intent) supersedes main's one-shot
  v1 from #518; the v1-only `distrustEmptyTabs` disarm block was
  removed. Port test file is a strict superset of main's (same 3
  tests + 2 more).
- src/store/persistedState.ts + persistedState.test.ts: port's
  salvage behavior (sanitize invalid mode/codingCliProvider to
  undefined, drop only corrupt tabs) supersedes main's strict
  min(1) schema.
- src/components/TerminalView.tsx: comment-only; port's non-destructive
  restore-flag peek comment matches the port's actual behavior.

🤖 Generated with [Amplifier](https://github.com/microsoft/amplifier)

Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>
@danshapiro
danshapiro merged commit ec9970c into main Jul 24, 2026
1 check passed
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