Reconcile plugin declarations and validation through PM's atomic generation publication; preserve external runtimes, target markers, and conflict refusal. Keep one source-update completion owner and port upstream lifecycle changes to the PM desktop/runtime paths.
The backup deadline callback raised _AUTH_DB_LOCKED on ANY backup that had
not finished by the deadline, so a large auth DB on a slow disk that was
still copying pages got the "a running browser holds a write lock" wording,
and the all-locked message told the user to quit the browser for a cause
that was not a lock. Track `remaining` between progress callbacks: a held
write lock fails every step with `remaining` unchanged, while real progress
shrinks it. Only the former keeps the lock wording; the latter reports a
plain "backup exceeded Ns" reason that falls to the details branch.
Review follow-up on #113080.
On macOS/Linux a running Chrome lets `Cookies` back up but holds `Login Data`,
`Login Data For Account` and `Web Data` with a hot write lock, so their SQLite
online backup misses the five-second deadline. The launch failed closed with a
bare "3 database(s) unavailable" count, and the docs still promised that macOS
and Linux "can copy the profile while the browser is running" (#111647).
- `_copy_auth_file` returns the failure reason (None on success) instead of a
bool; the backup deadline is the named constant `_AUTH_BACKUP_DEADLINE_S` and
raises `_AUTH_DB_LOCKED`, so the caller can tell "browser holds a write lock"
from "file is not a database".
- `_mirror_profile_auth` returns `{db name: reason}`; the new
`_unavailable_auth_dbs_error` renders "chrome is running and holds the
profile's Login Data, Login Data For Account, Web Data with a write lock …
Fully quit chrome and retry" when every failure is the deadline, and the
per-database SQLite error otherwise. No raw-copy fallback is added: the
no-fallback stance from 58d6d5223a (WAL consistency) is unchanged.
- Docs: the Real-profile note no longer says macOS/Linux copy live; it states
which databases need the browser quit and what the error looks like. The
`real_profile_autoclose` comment stops claiming copy-while-running works on
POSIX.
The websockets dials got proxy=None but the three HTTP /json/version dials
(CDP override discovery, is_browser_debug_ready used by Lightpanda and the
real-profile readiness check, and surviving-Chrome detection) still resolved
via getproxies(), so under a system/env proxy discovery fell back to the raw
http:// URL, readiness never fired and /browser connect reported not ready.
loopback_request_kwargs() sits next to loopback_connect_kwargs() and is used
at all three sites (ProxyHandler({}) opener for the urllib one).
add_loopback_no_proxy turned an operator NO_PROXY=* into '*,127.0.0.1,...',
which urllib/requests no longer treat as the wildcard, flipping bypass-all
configs into proxy-all. A wildcard in either casing now leaves env untouched.
is_loopback_host also accepts any loopback IP literal (127.x, ::ffff:127.0.0.1).
Review finding: HTTP /json/version dials still proxied loopback; NO_PROXY=* wildcard broken by append.
Merge upstream b1f003e186 while preserving PM runtime ownership and
Python 3.14 worker startup, Windows signing, and macOS wait recovery.
Keep retired runtime modules deleted. Port upstream updater preflight
checks into the checkout strategy and preserve live build logging.
Carry checkpoint filename handling and process recovery into the current
module layout. Regenerate locks and adapt incoming platform test markers.
Focused Python and JavaScript tests, desktop and root-test typechecks,
conflict-path lint checks, lock validation, and retired-import checks pass.
The full test suite and packaged release builds were not run.
Preserve Ben Barclay's diagnosis and replace the staging-file approach with
SQLite-coordinated writes and a five-second backup callback deadline. A
main-file replacement can replay an abandoned destination WAL; immutable
source reads can miss committed source WAL. Neither raw copy nor replacement
is safe when the destination is locked.
Refuse unavailable auth databases without raw-copy fallback, retaining the
existing close-browser-and-retry flow. Keep two invariant tests for lock
refusal/recovery and source-versus-destination WAL contents. Convert existing
text masquerading as database fixtures into real SQLite fixtures.
Related: #105754
Related: #96659
A `browser_exec` call could park a thread in `sqlite3_sleep` permanently
while mirroring Chrome's auth DBs, holding the agent's turn open. The turn
never reaches its `finally`, so no `session.info running=false` settle is
emitted and the Desktop composer latches busy — every later message queues
and never sends. Captured live: one thread stuck 24+ minutes across two
dumps, turn accepted at 15:03 with no `tui turn finished` 46 minutes later.
Root cause is the DESTINATION, not the source. `Connection.backup()` retries
a busy destination internally and ignores the connection's busy timeout, so
`sqlite3.connect(dst, timeout=5)` cannot bound it. A destination left locked
by an earlier hung mirror therefore blocks the next mirror forever — and
because the tool-level 420s timeout abandons the thread without interrupting
a C-level lock wait, the lock is never released and every subsequent launch
re-hangs the same way. Self-perpetuating.
Two changes:
- Back up into a fresh `<dst>.new` and `os.replace()` it into place. No other
process can hold a file we just created, so there is nothing to contend on,
and the swap stays atomic. Measured against a live Chrome with a
deliberately locked destination: 0.0006s vs an indefinite hang.
- Drop the `mode=ro` (no `immutable=1`) source fallback. 8e746668ba added
`immutable=1` to fix exactly this hang but left `mode=ro` as a fallback,
keeping the unbounded path one exception away; sqlite's busy timeout does
not cover lock negotiation, so nothing bounds it. `immutable=1` is also the
semantically correct mode — a committed snapshot of a file another process
owns. The bounded plain-copy fallback is unchanged.
Tests: three regressions, all mutation-checked (fail on base, pass here).
The locked-destination test runs the copy on a worker with a join deadline so
the unfixed behaviour fails fast instead of hanging the suite. 199 passing
across the browser real-profile and CLI suites.
The Sep 2026 decomposition (PR #102117) makes internal import paths a non-API: names now live in
the focused modules that define them. This commit is the ONLY thing keeping the old paths alive,
so external plugins have time to update. It is deliberately a single, unsquashed commit:
git revert <this sha>
removes every shim, stub and manifest at once on the announced date. Nothing in-tree may depend on
these pointers: scripts/check_compat_pointers.py (wired into lint.yml) fails CI if it does.
What it adds (see COMPAT_MANIFEST.md, compat_manifest.json):
- 332 facade modules get one delimited `PLUGIN-COMPAT` block appended at the end of the file
- 1,172 moved names resolved lazily via a module `__getattr__` (PEP 562) — never a top-level import,
so no import cycles; facades that already had `__getattr__` get a chained one
- 592 third-party/stdlib names the old modules used to expose, with their original import statements
- 266 public definitions that had been deleted as unused, restored byte-for-byte from the pre-decomposition
tree (+40 private helpers and 16 imports pulled in only because a restored definition needs them)
- 3 deleted modules recreated as re-export stubs (gateway/startup_watchdog, hermes_cli/observability/
relay_runtime, tools/environments/modal_utils)
- private names (`_x`) get no pointer: they were never API (3,792 skipped)
Verified: all 335 touched modules import under a fresh HERMES_HOME and every manifest name resolves;
the lint reports zero in-tree uses; ruff clean; targeted suites unchanged.
For each issue anchor present in BASE 63279301bc non-test .py and absent on HEAD, the BASE comment/docstring block was re-attached at the HEAD location of the code it explained (matched by the distinctive code line / enclosing def). Sentences already covered by an existing HEAD comment were deduped; the issue number always survives. Insert-only: no code lines changed.
The snapshot dirs were 0700 but every file inside landed umask-wide:
shutil.copy2 preserves Chrome's own 0644 profile-file modes and
sqlite3.connect creates the online-backup destinations as plain umask
files — so the copied Cookies / Login Data / Web Data (the user's live
session credentials) sat 0644. The 0700 parents contain it by default,
but the documented HERMES_HOME_MODE traversal hatch makes group/world-
readable children a real exposure.
snapshot_real_profile now reconciles every file (0600) and nested dir
(0700) inside the snapshot through the house helpers (_secure_file /
_secure_dir — managed-mode and container carve-outs included) at the
end of every pass, so snapshots written by older builds heal on their
next launch. Best-effort, never blocks a launch.
Tests: owner-only walk under umask 022 (fails on the pre-fix code —
sabotage-verified) + heal-on-refresh for a pre-existing 0644 Cookies.
The issue's other two findings are already fixed on main: mock-keychain
flags eliminated by the direct native-binary launch (#98249, salvage of
#96763); the 'Device not configured' TTY failure is superseded by the
same launch-path rework.
The Default dir in the snapshot holds the SOURCE profile cookies, but
info_cache['Default'] kept the source user-data-dir own Default entry
(a different person). Chrome saw cookies that belong to profile B while
its profile metadata said profile A, demanded a 'Continue as <name>'
profile-sign-in reconciliation on every launch, and treated the profile
as mid-sign-in. Use the source profile info_cache entry (name + Google
account) for the copy Default.
Four fixes for real-profile browsing (browser.use_real_profile), found and
verified end-to-end on macOS with a live Chrome:
1. _copy_auth_file: sqlite3.connect('file:...?mode=ro') on a live Chrome
auth DB can block indefinitely inside lock negotiation - the busy
timeout never fires, so the 'fail fast' path hangs the launch forever.
Try immutable=1 first (reads instantly, correct for a committed
snapshot of a file another process owns); mode=ro stays as fallback.
2. Launch shape: agent-browser's own launch injects --use-mock-keychain /
--password-store=basic / --headless=new. On macOS the mock keychain
makes Chrome treat every keychain-encrypted cookie as undecryptable
and drop it - the copied profile launches signed out (~3 anonymous
cookies instead of the full jar). Launch the user's real browser
binary directly on the copy (no mock-keychain switches), wait for
DevToolsActivePort, then attach agent-browser via --cdp.
3. Snapshot copy: Local State was copied verbatim, still naming the
SOURCE profile (last_used='Profile 2', info_cache listing several)
while the copy only contains Default. Chrome opens the missing profile
dir and starts signed out. Normalize the copy's Local State to
Default-only.
4. CDP resolution: the agent-browser daemon may report the endpoint of a
browser IT spawned (throwaway temp profile) instead of the real
browser we launched on the copy. Trust the port our browser wrote to
DevToolsActivePort.
Also adds browser.real_profile_pin (optional): pin which source Chromium
profile dir is snapshotted instead of following profile.last_used - on a
machine with a work profile and a personal one, last-used roulette can
silently give the agent the wrong identity. A pin naming a missing dir
fails closed (signed out) rather than falling back to last_used.
Tests: 4 new pin tests + 3 launch tests reshaped to the direct-launch
contract (Popen the real binary, agent-browser attaches). 77 passing.
Read text files with the encoding utf-8-sig so a BOM at the start of a
file does not cause a Unicode decode error (Windows editors add BOMs).
Reconstructed from ethie/pm commits 48a32b135b + 013219e814 onto the
current upstream/main base: only the utf-8 -> utf-8-sig transforms were
carried (370 exact line pairs across 205 files); pm-rename hunks that
rode in the original commit were left to the pm-store commit, and
utf8sig hunks entangled with content changes ride their owning commit.
Rebuilt on ethie/pm-clean off ac6c8028e0 (upstream/main).
Extends the real-profile machinery (PR #95620) to Brave Origin — Brave's
standalone paid build with a fully separate install identity:
- new canonical key 'brave-origin' in _CHROMIUM_BROWSERS
- Windows: BraveOHTML ProgId -> brave-origin; channel ProgIds BraveOBHTML/
BraveODHTML/BraveOSHTM fail closed (identifiers from brave-core
install_static)
- macOS: com.brave.Browser.origin bundle id (exact match); .beta/.dev/
.nightly channel bundles fail closed; /Applications/Brave Origin.app
- Linux: brave-origin.desktop matched BEFORE the bare 'brave' fragment
(substring scan would otherwise resolve an Origin default to stable
Brave and drive the wrong profile — #95549 wrong-principal invariant);
brave-origin-{beta,nightly,dev} fail closed
- profile dirs: BraveSoftware/Brave-Origin on all three OSes (per
brave-core kProductPathName + Homebrew cask zap paths)
- /browser connect launch tables: Brave Origin split into its OWN group
so a 'brave' executable lookup can never resolve to the Origin binary
- user-facing strings/docs/desktop tooltip updated
Tests: progid/bundle/desktop map params + data-dir resolution for all
three OSes; 125 passed in the three browser test files.
Refines the Windows path per three requirements:
1. Only when the toggle is set — closing is offered only if
browser.real_profile_autoclose is on.
2. Blocked when locked — snapshot_real_profile NEVER kills; a locked profile
always returns the [profile-locked] signal and the copy is refused. A later
attempt that is still locked blocks again (no loop, no auto-kill).
3. Ask approval to close — closing is an explicit, user-approved step:
(new CLI subcommand) runs
close_browser_holding_profile only when the agent has the user's OK. The
locked error tells the agent to ask first, then run it, then retry.
- browser_connect: snapshot blocks with _PROFILE_LOCKED_PREFIX (autoclose-armed
message offers the close; off message says fully-quit); no in-snapshot kill.
- main.py: subcommand (identity+binding-verified
tree kill via close_browser_holding_profile); added to _BUILTIN_SUBCOMMANDS.
- browser_tool: surfaces the locked signal + the exact approved-close command.
- Docs/config: toggle arms + agent asks + blocked-if-still-locked.
Tests: snapshot blocks-not-kills with autoclose on AND off; process matcher
identity/binding. 73 real-profile tests pass. Windows live E2E (proof): locked
blocks fast without killing → approved close terminates Chrome → snapshot then
copies a valid DB; autoclose-off blocks with quit guidance.
Live Windows CI proved copy-while-running is impossible (Chrome opens the cookie
DB deny-all). So to make Windows actually WORK — not just fail cleanly — add
opt-in auto-close: browser.real_profile_autoclose (default false). When the
profile is locked and consent is on, snapshot_real_profile terminates the
browser process tree bound to THAT user-data-dir (psutil, identity+binding
verified like the daemon reaper — browser binary AND this exact --user-data-dir
in cmdline, fail-closed on ambiguity), waits for the lock to release, then
snapshots. Destructive (loses unsaved tabs) so it's off by default and the agent
asks first; the fail-fast message names the option. No effect on POSIX.
- close_browser_holding_profile: graceful terminate → kill → poll until the
cookie DB is openable again (bounded); reports relaunch/tray failure clearly.
- _processes_holding_profile: identity+binding matcher (never kills an
unrelated same-name process on a different dir).
- Config key + docs admonition.
Tests: autoclose closes-then-snapshots, autoclose-failure-reports, fail-fast
names the option, process-matcher identity/binding. 74 real-profile tests pass.
Windows live E2E (PROOF workflow, reverted before merge): autoclose-off fails
fast <30s; autoclose-on terminates real Chrome, lock releases, valid cookie DB
copied.
Live windows-latest proof settled it: a running Chrome opens its cookie DB
deny-all (even CreateFile with FILE_SHARE_READ|WRITE|DELETE fails; sqlite
mode=ro/immutable/nolock all 'unable to open'), so copy-while-running is
impossible on Windows without VSS/admin — and the prior code HUNG ~24min on the
locked file.
Fix: a fast up-front lock probe (_profile_is_locked: one open() of the active
profile's cookie DB; PermissionError = locked) runs BEFORE any copy in
snapshot_real_profile. If locked, bail immediately with 'fully quit the browser
(incl. background/tray) and retry, or turn browser.use_real_profile off'. Never
hangs, never a silent signed-out copy. POSIX has no mandatory locking so the
probe never trips there — copy-while-running still works on macOS/Linux.
Docs: admonition stating Windows needs the browser fully closed (background
apps included); the live-drive-while-running path is #95669.
Tests: lock-probe unit coverage (readable/no-db/PermissionError), snapshot
fails-fast-no-copytree when locked. Windows live E2E asserts the fast-fail
contract (returns <30s with the quit message) + the read-strategy diagnostic.
On Windows a running Chrome holds Cookies / Login Data / Web Data with an
exclusive lock, so the raw file copy the snapshot used raised WinError 32
('being used by another process') and the best-effort skip left a signed-out
copy — the reported profile-cloning failure.
Fix: copy the SQLite auth DBs via SQLite's online-backup API (read-only
connection + Connection.backup()), which reads a consistent COMMITTED snapshot
while the writer holds the lock. Non-DB files (Preferences, Local State) stay a
plain copy. If even the online-backup can't read a DB, snapshot_real_profile now
FAILS CLOSED with an actionable 'close <browser> and retry' message instead of
launching a silently signed-out session.
- _copy_auth_file: sqlite-backup for Cookies/Login Data/Web Data, raw copy
otherwise, raw-copy fallback if backup fails.
- Drop -journal/-wal/-shm sidecars from the auth set + snapshot ignore: the
backed-up DB is self-contained; a stale sidecar next to it corrupts it.
- Fresh copytree excludes the auth DBs (raw copytree of a locked file raises on
Windows); they're always mirrored lock-aware afterward.
- _mirror_profile_auth returns the count of DBs it could not copy so the caller
can fail closed.
Tests: locked-DB copied-via-backup (open write txn = live-lock analog, 42
committed rows, uncommitted excluded, no journal sidecar), _copy_auth_file DB vs
plain, fail-closed when unreadable. 192 browser tests pass. Live: 68 real
cookies copied through the backup path and the session launches.
Addresses the round-3 findings from @Adolanium + @kshitijk4poor on #95620:
1. Overlay-before-reuse race (blocker): _real_profile_cdp ran snapshot_real_profile
BEFORE the session-reuse check, so a cold resolve that ends in reuse rewrote
Cookies/Login Data under a live Chromium holding the user-data-dir open (torn
DBs, locked txns, phantom logouts). Now: resolve copy dir as a PATH, probe
reuse first, return early on a hit; snapshot/overlay only on the relaunch
path when no live browser owns the dir.
2. Torn first copy poisoned freshness forever: freshness keyed on isdir(Default),
so a half-written copy (disk full / Ctrl+C) was treated as populated and only
ever got auth overlays. Now gated on a .hermes-snapshot-complete marker
written only after a full copy succeeds; a torn copy is rebuilt from scratch.
3. Consent revocation left copied credentials on disk: turning use_real_profile
off now deletes ~/.hermes/browser-profile/ on next browser use
(cleanup_real_profile_snapshots), so cookies/logins don't outlive consent.
4. Stale non-active profile copies: only the ACTIVE profile (last_used) is copied
into the copy's Default now — other Chrome profiles are never snapshotted
(smaller copy, no stale credential dirs lingering).
5. Docs/config/desktop wording aligned to actual behavior (active-profile only,
refresh on fresh session, consent-off cleanup).
Tests: overlay-skipped-on-reuse + overlay-runs-on-relaunch, done-marker gating +
torn-copy rebuild, active-only copy, consent-off cleanup (removes store +
idempotent + triggered from _real_profile_cdp). 206 browser + 222
backup/file_safety pass. Live: reuse skips re-snapshot; direct launch on the
active-only copy loads the real signed-in Gmail inbox.
Addresses the five findings from @kshitijk4poor + @GottZ on #95620:
1. macOS 26 LSHandlers parser returned a version number ('7559.97') from the
nested LSHandlerPreferredVersions block instead of the bundle id — detection
returned None on a machine whose default IS Chrome. Strip the nested block
before the role regex.
2. Wrong profile launched (the LinkedIn/Gmail 'logged out' bug): Chrome opens
Default, but the session lives in Local State profile.last_used (e.g.
'Profile 6'). Resolve last_used and mirror its auth files into the copy's
Default on both fresh and refresh paths, so the launched browser is signed in.
3. Private-URL sidecar carried the real cookie jar to arbitrary LAN hosts:
_create_local_session gains allow_real_profile (default True); the
force_local sidecar passes False → always a throwaway profile, and a
real-profile resolve failure no longer breaks private-URL routing.
4. Snapshot permissions were set once (fresh only): now secure the snapshot dir
AND its browser-profile parent on every consented launch.
5. browser.engine=lightpanda + consent gave an unactionable error: guard with
_using_lightpanda_engine() before detection, naming the setting and the fix.
Tests: last_used mirroring (fresh+refresh+fallback), sidecar throwaway + error
isolation, macOS26 parser + detect, perms-on-refresh, lightpanda guard. 198
browser tests pass. Live: Profile-6 cookie DB lands in copy Default (file-level);
real Gmail (Default profile) still signed in.
Addresses two P1 review blockers (kshitij / @kxee) on the real-profile feature:
Credential-store lifecycle for ~/.hermes/browser-profile/ (copied Cookies/
Login Data):
- exclude the singular 'browser-profile' dir from backup AND import
(_EXCLUDED_DIRS drives both) — was silently archiving cookies/logins
- add a browser-profile/ directory-PREFIX read-deny to agent/file_safety.py,
same class as auth.json / mcp-tokens
- secure the snapshot dir through the canonical hermes_cli.config._secure_dir
(honors managed/NixOS group-share + HERMES_UID/GID), not a bespoke chmod
Channel identity (#95549 invariant — never normalize Beta/Dev/Canary to
stable, which would drive a different account's profile):
- detect recognized pre-release channels FIRST (Win ProgIds, macOS bundle ids,
Linux .desktop) and return UNSUPPORTED_CHANNEL
- macOS bundle match is now EXACT (was startswith); Linux/Win channel-before-
stable ordering; real_profile_data_dir/chromium_executable reject the sentinel
- _real_profile_cdp fails closed with a channel-specific message, never snapshots
Tests: channel-not-normalized (linux/darwin/windows), wrong-principal fail-closed,
backup exclusion, read-guard block/allow, snapshot dir secured. 187 browser +
222 backup/file_safety pass. Live re-verified: real Gmail inbox still loads.
Copy the user's default-Chromium profile (auth state only) into a managed
snapshot, launch Hermes' packaged Chromium on it via agent-browser, and hand
the CDP endpoint to the Browser Use CLI (and built-in tools) to drive. The
snapshot is a non-default dir, so it sidesteps Chrome 136+'s default-profile
remote-debugging block and never contends with the user's running browser;
launched without mock-keychain switches so keyring-encrypted cookies decrypt.
- consent-gated browser_exec 'local' arg (schema only appears with consent)
- fail-closed on non-Chromium default / snapshot failure
- stale-session guard: reuse only when the live session is on our copy dir
- snapshot excludes extensions/service-workers (renderer wedge) + caches
real_profile_data_dir hard-wired Linux to $XDG_CONFIG_HOME/<name>, and the
xdg fragment map only knew the native package names. Ubuntu's default snap
Chromium (xdg reports chromium_chromium.desktop, profile under
~/snap/chromium/common/chromium) and Flatpak builds (~/.var/app/<id>/config/…)
therefore ended in 'profile directory was not found' for a browser the user
runs every day, and Flatpak Chrome (com.google.Chrome.desktop) was reported as
'not a supported Chromium browser'.
Try the native, snap and Flatpak locations and return the first that exists;
fall back to the native path so the error message still names a concrete
directory. Map the Flatpak application ids in the xdg lookup.
Tests cover the xdg names for all four browsers in native and Flatpak form,
and the directory preference order with a temp HOME.
_detect_default_darwin matched a Chromium bundle id and the literal 'https'
anywhere in the whole LSHandlers dump, so a browser registered for ftp or a
content type was reported as the https default, and map order decided ties.
When nothing matched it fell back to the first installed Chromium app — with
Safari or Firefox as the actual default that drove a browser the user never
consented to, contradicting the docstring, the config comment and the desktop
copy ('a non-Chromium default fails with a clear message').
Parse the dump entry by entry, take the LSHandlerRoleAll/Viewer of the entry
whose LSHandlerURLScheme is https, and fail closed on anything else — an empty
handler list is what macOS stores while Safari is still the implicit default.
Tests feed real 'defaults read' output shapes instead of patching the detector
(reviewer fixture from the PR discussion: Safari on https, Chrome on ftp).
The two default-browser detectors call subprocess.run(text=True) without an
explicit encoding, which the Windows-footgun linter (and its full-repo test,
tests/scripts/test_footgun_subprocess_encoding.py) rejects. Pass
encoding='utf-8', errors='replace' like the rest of the tree.
Two existing tests replace browser_navigate / _navigation_session_key with
positional-only lambdas; both callables now receive local_browser= from the
registry handler and browser_navigate, so the spies raised TypeError. Accept
the keyword with its default.
Fixes the three CI failures on the PR head (Windows footguns lint,
test_browser_extension_router_wiring x2, test_browser_open_timeout).
Salvaged from #57016 by @lEWFkRAD:
- cli.py: handle file:///C:/... drive-letter URIs on nt (strip the
leading slash urlparse leaves); join Termux example paths with literal
forward slashes so hints stay POSIX on Windows.
- gateway/status.py + hermes_cli/gateway.py: normalize backslashes to
forward slashes before the HERMES_HOME substring match so separator
style cannot defeat profile ownership detection.
- hermes_cli/banner.py: cprint degrades to plain print when
prompt_toolkit has no console (NoConsoleScreenBufferError on
redirected/absent Windows stdout).
- hermes_cli/browser_connect.py: posixpath.join for WSL /mnt/c/... bases
(os.path.join would emit backslashes on nt).
- Test hardening: symlink skip-guards, USERPROFILE alongside HOME for
ntpath.expanduser, SIGKILL absence skipif fixed via monkeypatch,
drive-letter URI / separator-normalization / banner-fallback coverage.
Dropped from the original PR: tests/cli/conftest.py fixture and the
AppSession _output monkeypatch — main's merged tests/cli/conftest.py
already handles that prompt_toolkit pollution.
On Windows (and some Linux setups), an application like VS Code's
js-debug can hold 127.0.0.1:9222 while a Chromium browser launched
with --remote-debugging-port=9222 silently binds [::1]:9222 only.
The IPv4-only probe then (a) missed the live browser entirely and
(b) hung against the squatter — which accepts TCP but never answers
the /json/version HTTP probe — repeatedly, driving the whole connect
past the desktop GUI's RPC deadline:
'error: request timed out: browser.manage'.
Fix, applied to both the gateway browser.manage RPC and the CLI
/browser connect path via shared helpers in browser_connect.py:
- discover_local_cdp_url(): probe BOTH loopbacks (127.0.0.1 first,
then [::1]) and adopt whichever actually speaks CDP.
- local_port_in_use() + find_free_debug_port(): when neither loopback
speaks CDP but the port is held by another application, report the
squatter explicitly and launch the debug browser on a nearby free
port instead of fighting a bind conflict on 9222.
- Bound the gateway's post-launch wait to a 10s deadline (was up to
20 unbounded probe cycles) so connect always answers inside the
client RPC timeout.
- _wait_for_browser_debug_ready_or_exit() also probes dual-stack so a
successful launch pushed onto [::1] is classified 'ready'.
Verified on a live Windows repro (VS Code holding 127.0.0.1:9222,
Chrome 148 on [::1]:9222): connect now resolves http://[::1]:9222
in ~4.5s instead of timing out.
Follow-up to the salvaged early-exit retry fix (#35617): the debug-browser
launch path was fire-and-forget (stderr to DEVNULL, no logging), so every
platform failure — Windows singleton forward to an existing instance, bad
profile dir, missing shared libraries, policy blocks — collapsed into the
same unactionable 'port 9222 isn't responding yet' message and debug
reports contained nothing.
- launch_chrome_debug() returns a structured ChromeDebugLaunch with
per-candidate attempts (state, exit code, stderr tail)
- browser stderr is captured to <hermes_home>/chrome-debug/launch-stderr.log
- clean exit (code 0) without the port opening is detected as Chromium's
single-instance forward and produces a targeted user hint to close all
running instances of that browser
- crash exits surface the stderr tail (e.g. missing libnspr4.so)
- every spawn/exit is logged to agent.log so hermes debug share captures it
- CLI (/browser connect) and TUI/desktop (browser.manage) both print the hint
Add browser CDP launch candidates for Chrome, Chromium, Brave, and Edge while preserving Chrome-first selection. Retry candidate launch failures instead of giving up after the first executable.
Update /browser CLI and TUI messaging, docs, and tool descriptions from Chrome-only wording to Chromium-family browser support. Add regression coverage for Brave/Edge paths, Chrome-first precedence, fallback launches, and CDP endpoint probing.
Fixes from Copilot's two passes on PR #17238:
* Validate parsed URL once: reject missing host, invalid port, and
unsupported scheme up front so malformed inputs (e.g. http://:9222
or http://localhost:abc) don't fall through to a generic 5031.
* Tighten _is_default_local_cdp to require a discovery-style path so
ws://127.0.0.1:9222/devtools/browser/<id> is not collapsed to bare
http://127.0.0.1:9222 (which would lose the path and break the
connect).
* Move browser.manage into _LONG_HANDLERS so the up-to-10s
launch-and-retry loop runs on the RPC pool instead of blocking the
main dispatcher.
* try_launch_chrome_debug uses Windows-appropriate detach kwargs
(creationflags=DETACHED_PROCESS|CREATE_NEW_PROCESS_GROUP) instead
of POSIX-only start_new_session=True.
* manual_chrome_debug_command uses subprocess.list2cmdline on
Windows so the printed instruction is cmd.exe-compatible.
* Mirror host/port validation in cli.py /browser connect so the
classic CLI never persists an invalid BROWSER_CDP_URL.
Split browser.manage into a small dispatcher with named connect/disconnect
helpers, fold _http_ok / _probe_urls / _normalize_cdp_url out of the nested
probe loop, collapse the failure-message scaffolding, and DRY the chrome
candidate path tables. Behaviour and event shape unchanged.
Detect an actual Chrome/Chromium executable before printing a manual CDP launch command, including common WSL-mounted Windows browser paths, so /browser connect does not suggest google-chrome when it is unavailable.
Share Chrome CDP launch helpers between the classic CLI and TUI so default /browser connect uses loopback consistently, retries local Chrome launch, and reports a copyable manual-start command instead of claiming a dead connection.
