Commit Graph
47 Commits
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enricobuehler 30bd10e301 feat(clients): an OLED palette, and split WHETHER the gamepad UI is offered from WHEN it appears
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android / android (pull_request) Successful in 5m1s
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ci / bun-nix (pull_request) Successful in 42s
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Four changes to the client interface, kept together because two of them touch the same rows
and the last is a bug the first would have made far more visible.

A thirteenth `ui_palette` entry, `oled`. The palette table is hand-mirrored in three languages
(`pf-console-ui`'s `library.rs`, `GamepadPalette.swift`, `GamepadPalette.kt`), so it goes into
all three at index 1, directly after the brand default — which keeps `PALETTES[0]` the unknown-id
fallback and keeps the dark-to-pale cycling order intact. What earns the name is arithmetic, not
a darker shade of violet: the ramp's first two stops are literally (0,0,0) and the ground is pure
black, so the shaded half of the field is pixels switched off rather than "very dark grey", and
the calm mix the form screens sit under lifts toward nothing at all. Mean cell luminance is 0.019
against Violet's 0.254. The bright corner keeps a faint indigo-to-violet ember so the backdrop is
still a field with somewhere to go, and that ember carries enough chroma at that luminance
(60 degrees of hue travel across 13 of the 16 cells) to satisfy the existing multi-tone assertion
without adding `oled` to the near-neutral exemption Graphite and Opal take. Each port gains an
`oled_is_actually_black` test that measures the claim — pure-black corner cells, a mean under half
the darkest other field's — rather than restating the table.

A new device key, `gamepad_ui_mode`. The gamepad-UI switch had been deciding two things at once:
whether to offer the controller-optimized interface at all, and that it appears only while a pad
is attached. A user asked for the second half to stop applying. `"connected"` (the default, and
exactly what the lone Bool meant) and `"always"` separate them, surfaced as a "Show it" row
directly under the switch on all five settings surfaces and built only while that switch is on —
a picker whose every option decides nothing is worse than no picker. `GamepadUIEnvironment.isActive`
takes the mode with NO default argument on purpose: a call site that forgot it would silently
strand everyone who chose Always back on "only with a controller", which is the one bug this
parameter exists to make impossible. An unrecognized value waits for a controller, so a mode a
newer client wrote can never trap an older one in a layout it has no way back out of. It stays a
device preference on both platforms, never part of a profile: which interface this device wears
has nothing to do with how a host streams to it.

The smoothness buffer is hidden under Lowest latency, not dimmed. Everywhere else already hid it
— the GTK and WinUI shells, the Apple touch and tvOS screens, the Android touch screen — because
under that intent it names a quantity that does not exist. Two surfaces disagreed: Apple's gamepad
settings screen left the row live and steppable, and the desktop console dimmed it, having no way
to drop a row from a fixed list. That list is now rebuilt each frame through a `row_applies`
filter. The concern about a vanishing row moving everything under the cursor does not apply here
and the new test says why: the row it drops sits directly BELOW the row that drops it, so the only
cursor that can be present when the list shrinks is the one on the intent row, which does not
move. Two latent hazards went with it — `apply_row` had been indexing the row list on the
assumption the cursor is always in range, and nothing re-clamped that cursor when another writer
changed the intent behind the screen's back.

Pale palettes were unreadable on tvOS, reported from the field. `GamepadInk` was never the
problem: it flips correctly for a pale field, it is not platform-gated, and every tvOS gamepad
entry point already published it. The cause is that this app sets `preferredColorScheme` nowhere
and declares no `UIUserInterfaceStyle`, so every SYSTEM-derived colour landing on those screens —
a `.secondary` placeholder, a `.bordered` button's chrome, a NavigationStack title, a material's
frost — resolved against the DEVICE appearance, which the palette cannot reach. On iPhone, iPad
and Mac a great many users sit in Light mode, so under a pale palette those colours came out dark
and the theme looked correct by accident; an Apple TV is Dark essentially always, so every one of
them rendered white on a light field. The mirror image was broken too and had simply never been
reported: a dark palette on a Light-mode iPhone was already drawing dark on dark. The scheme is
now published beside the ink, once, in `GamepadInkModifier`, because the two are halves of one
decision and publishing only the ink silently loses every colour the frameworks draw on the app's
behalf. Two structural amplifiers went with it: `ConsoleGlass` had been scoping the scheme to the
fill inside its `.background {}` on the tvOS and pre-26 branches while the 26 branch put it on the
content, so no console row's own content ever saw it on tvOS; and `LibraryView`'s navigation
chrome and its loading, error and empty states sit above `LibraryCoverflowView` and so were never
inked at all on tvOS and macOS, where that view is presented directly rather than through the
iOS-only `GamepadLibraryScreen` wrapper.

That last one exposed a second tvOS gap worth closing in the same breath: `ui_palette` had no row
in tvOS's ordinary Settings, and the gamepad settings screen that owns it everywhere else needs an
extended-profile controller to open on tvOS. An Apple TV driven by the Siri Remote alone could not
reach the palettes at all, which would now include the OLED one. `SettingsView.tvBody` carries a
Background row.

Verified: pf-console-ui builds, passes `clippy --all-targets -D warnings` and runs 74 tests clean
under linux/amd64 (a Mac `cargo check` of that crate is vacuous — every module is cfg'd to
linux/windows); `cargo fmt --check` clean for it and pf-client-core. Android `:app` runs 80 tests
with 0 failures, including four new `gamepadUiActive` cases and the palette parity table. The
Apple package builds for macOS AND tvOS and its 9 palette/gamepad-UI tests pass — the tvOS
typecheck is possible because the checked-in xcframework already carries a `tvos-arm64` slice. The
tvOS RENDERING fix is compile-verified only; an on-glass Apple TV check under a pale palette is
still owed, and is the one thing here that a build cannot answer.
2026-08-08 12:57:12 +02:00
enricobuehler eb9203b115 fix(client/settings): a byte order mark stops silently erasing every setting
ci / bun-nix (pull_request) Successful in 40s
ci / web (pull_request) Successful in 1m14s
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 1m12s
ci / docs-site (pull_request) Successful in 1m27s
apple / swift (pull_request) Successful in 1m34s
apple / screenshots (pull_request) Skipped
ci / rust-arm64 (pull_request) Successful in 1m56s
android / android (pull_request) Canceled after 2m30s
ci / rust (pull_request) Canceled after 2m17s
windows / build (x86_64-pc-windows-msvc) (pull_request) Canceled after 1m8s
`Set-Content -Encoding UTF8` writes a UTF-8 BOM, and every Windows how-to
reaches for it, so `%APPDATA%\punktfunk\client-windows-settings.json` edited
from a shell arrives with `EF BB BF` in front of the `{`. serde_json rejects
that at byte 0 — correctly, JSON has no BOM — and
`.and_then(|s| serde_json::from_str(&s).ok())` turned the refusal into
`Default`. Every setting in the file, gone, with the file plainly correct on
screen and not one word anywhere about why.

Cost an hour on 08-07: a `codec: "av1"` edit was ignored and the client
negotiated HEVC. The obvious suspects — the negotiation, the caps, the host —
were all working exactly as designed.

So the mark is stripped, which is what every other JSON consumer on Windows
does. But the BOM is only the instance; the bug is the `.ok()`, which hides a
trailing comma, a truncated write and a hand-edit typo just as completely.
Those now cost one `warn!` naming the file and serde's own line and column. A
file that cannot be READ at all is reported too, and for the same reason: PowerShell's
`-Encoding Unicode` writes UTF-16LE, `read_to_string` rejects it as invalid
UTF-8, and that lands in exactly the same hole.

The RESULT is deliberately unchanged — `Default`, never an error. Nothing about
streaming may hinge on a settings file being readable, and refusing to start
because one is malformed would be a worse failure than the one being fixed. A
missing file stays silent, because that is just first run.

All three of this client's JSON stores share the loader, because all three had
the identical line: the settings file, the known-hosts store (where a BOM
silently unpairs every host) and the profiles catalog.
2026-08-07 17:45:38 +02:00
enricobuehler bbbcf321e5 Merge origin/main into worktree-native-decode-m0
ci / web (pull_request) Successful in 1m19s
apple / swift (pull_request) Successful in 1m32s
ci / docs-site (pull_request) Successful in 1m23s
apple / screenshots (pull_request) Skipped
ci / bun-nix (pull_request) Successful in 25s
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 1m8s
android / android (pull_request) Successful in 3m31s
windows / build (x86_64-pc-windows-msvc) (pull_request) Successful in 3m23s
ci / rust-arm64 (pull_request) Successful in 5m36s
nix / flake (pull_request) Failing after 11m59s
ci / rust (pull_request) Successful in 14m27s
main moved 93 commits while this branch ran. Two conflicts, both where main's new
work sat next to M10's excision:

packaging/flatpak/io.unom.Punktfunk.yml — main added the vendored gamescope WSI
layer (the only route to HDR on a Deck) and, before it, a vulkan-headers module.
Took both: this branch predates them and deletes neither. But the headers module's
stated consumer was pf-ffvk's bindgen over FFmpeg's hwcontext_vulkan.h, and M10
deleted pf-ffvk — so it now reads as dead weight to the next person. It is not:
the WSI layer IS a Vulkan layer, compiles against those headers, and builds after
it, so module order is the dependency. Rewrote the rationale to say so, including
why dropping it would be expensive to discover — flatpak.yml has no pull_request:
trigger, so a manifest break reaches main invisibly and a tag then ships no Linux
flatpak. Also recorded that the native decoder needs nothing from there: pf-vkdecode
reaches Vulkan through ash, which is pure Rust bindings, no bindgen, no C headers.

crates/pf-console-ui/src/screens/settings.rs — main restructured the gamepad
settings into TABS, which removed the per-row section headers; this branch had left
Some("Video") untouched from the merge base and added the pre-M10 decoder migration
next to it. Git could not tell those apart. Took main's structure (no header, its
deliberate change) with this branch's migration layered on: a stored `vulkan`,
`vaapi` or `d3d11va` names no preset in the tabbed list and would render as "—",
then silently rewrite the user's preference on the next save.

Gates on the merged tree, Linux container: fmt clean; cargo check --workspace
--all-targets clean; clippy --workspace --all-targets -D warnings clean; tests
green across pf-vkdecode (187), pf-client-core (163), pf-console-ui (58) and
punktfunk-host (447 of 448 — the one failure is the pre-existing
gamestream::stream::tests::sender_delivers_batches, a UDP-loopback EINTR under
qemu that fails identically on a pristine HEAD).
2026-08-07 10:50:32 +02:00
enricobuehler 5c05246098 feat: M10 — FFmpeg is gone from the client
cargo tree -p punktfunk-client-session finds no ffmpeg. The host still does,
which is the whole point: pf-encode keeps libavcodec unconditionally and no
host workflow, packaging script or licence file was touched.

Deleted: crates/pf-ffvk, video_vulkan.rs, video_vaapi.rs, video_libav.rs, the
libavcodec half of video_d3d11.rs, the av_log machinery, ffmpeg::codec::Id as
the decoder's vocabulary (the quic CODEC_* wire constants now serve, which is
why the evidence table was keyed on them), DecodedImage::VkFrame and ::Dmabuf,
the presenter's AVVkFrame lane, and the ffmpeg-fallback feature with
everything behind it. DrmFrameGuard collapses from an enum to a newtype, which
removes an unsafe impl Send. Roughly 25,000 lines.

Then the CI, packaging, licensing and docs work the plan's §6 lists: the
Windows workflows lose FFMPEG_DIR, PF_FFVK_VULKAN_INCLUDE and their PATH
prepend; the MSIX loses its DLL wildcard; the client .deb stops emitting libav
sonames on its own because depends come from dpkg-shlibdeps; arch, flatpak and
nix drop the dependency; and the README's "FFmpeg 7 or 8" contract narrows to
the host.

Three defects reached users' machines in the first cut, and none was in the
deletion itself.

All three desktop Settings UIs offer vulkan, vaapi and d3d11va as stored
decoder values, so those strings sit in shipped settings files today. Refusing
them by name — which is the correct rule for a stale pin — would have bricked
every upgraded client whose owner ever touched that dropdown. They now migrate
onto the native rung for the same hardware family, at decoder construction AND
at each dialog's lookup, because a legacy value that matches no preset
displays as "Automatic" and silently rewrites the user's preference on the
next save.

M9's evidence filter was deleted on the argument that with no libavcodec twin
below, barring an unproven rung removes hardware decode rather than moving
down one rung. That is true on Windows and false on Linux for Intel and every
unknown vendor id, where prefer_vulkan_first is false and the order is
native-vaapi → native-vk: a rung that has decoded nothing anywhere sitting
above one that is 250/250 on three drivers. Every Intel Linux desktop would
have moved from libavcodec VAAPI, shipping for years, onto pf-vaadec by
default — and a rung that constructs and then produces wrong pixels leaves
only by the error-streak demotion, which this codebase already documents as
not tripping on the B580's strobing. The filter is restored as a narrow, pure,
testable rule: an unproven rung yields to a proven one, and to nothing else.
Windows deliberately passes no rung below, because that vendor family is the
one with a measured wrong-pixel report against Vulkan decode, and trading no
evidence for evidence of corruption is the wrong direction.

And the notices still said FFmpeg was bundled. The root file is what both
desktop clients include_str! and what the MSIX ships, three lines under the
new card saying no FFmpeg is bundled; Apple's Acknowledgements said it too, on
iOS, tvOS and macOS. The generator now emits four per-client files scoped by
transitive closure — 0 FFmpeg mentions in each, verified — while the root file
keeps it for the host. That also ends the standing false attribution of
ffmpeg-next, GTK4, windows-rs and the NVENC SDK to an iPhone.

Windows has no reachable box, so it was compiled instead: a cross clippy at
-D warnings on x86_64 and aarch64-pc-windows-msvc with the C toolchain stubbed
so build scripts run without linking. That gate immediately caught an
include_str! path one directory too deep, which nothing else could have.

Gates: container clippy -D warnings, 160 tests, workspace check, both Windows
targets clean, client ffmpeg count 0 and host 2. The four decode crates are
untouched, so the hardware rungs' 250/250 stands.

⚠ Owed and unrun: no GPU has executed any of this milestone. M8's on-glass
software check, M7's D3D11 and VAAPI AV1 hardware legs, and M9's field bake
all still want hardware, and the bake window and criteria remain the user's.
2026-08-07 08:58:47 +02:00
enricobuehler 5a7f7f0fc5 feat(clients/gamepad-ui): section tabs, background palettes, and a backdrop that moves everywhere
ci / web (pull_request) Successful in 1m17s
ci / docs-site (pull_request) Successful in 1m42s
ci / rust-arm64 (pull_request) Successful in 2m36s
android / android (pull_request) Successful in 3m33s
windows / build (x86_64-pc-windows-msvc) (pull_request) Successful in 8m37s
ci / rust (pull_request) Successful in 8m58s
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 3m47s
apple / swift (pull_request) Successful in 1m29s
apple / screenshots (pull_request) Skipped
The console settings were one 30-row scroll, which on a Deck meant thumbing past
Video and Audio to reach the pad settings. They are now split across sections —
Stream · Video · Audio · Controller · Interface · Profiles, plus Input on the
desktop console, which alone carries the touch/mouse rows. L1/R1 walks them,
each section remembers where its cursor was, and the names are the same word on
every client so a setting is where you looked for it last.

Shoulders are not the only route, because a D-pad remote hasn't got any: on
Android, Up from the first row moves onto the strip (left/right walks sections
there, A drops back in), and on tvOS the pills are focusable, so the focus
engine handles it — a Siri Remote has no extended gamepad profile and never
reaches the input poll at all. The desktop console needs neither; PageUp and
PageDown already map to the same events.

New "Background" row, six palettes: Violet (the brand default), Tide, Forest,
Ember, Rose, Graphite. A palette is a hue rotation plus a saturation scale over
the ONE colour field each client already draws, so every palette inherits its
structure and Violet is the identity transform — existing installs see exactly
what they see today. The maths is ported three times (Rust/Swift/Kotlin) under
one shared `ui_palette` key, with the same assertions pinned in each language.
It is presentation only, so it is a device preference and never part of a
profile.

The form screens no longer have a backdrop of their own. Settings, add-host and
pair used to sit on a still gradient; they now wear the same living field at a
calm mix — pools dimmed onto the palette's own corner colour, vignette halved so
rows that run to the edges don't get crushed. On the desktop console that
collapsed the old aurora-over-static crossfade into one shader pass with a
chased uniform. Motion speed is identical in both modes on purpose: changing it
would make the field jump mid-transition. Nothing in the gamepad UI is backed by
a static image now, and Reduce Motion (Apple) / "remove animations" (Android)
still freeze it.

Also: the settings screen had no raster coverage at all — the eyeball dump is
`#[ignore]`d — so a new test draws every tab, and the Android screenshot set
gains a console-settings scene. Both earned their keep immediately: the renders
showed the extra hint pushing "Done" off a 360 dp phone (the legend scrolls now,
and the Section cell only appears where shoulders exist) and the form backdrop
crushing its own edges.
2026-08-06 12:39:30 +02:00
enricobuehler e4d8573475 feat(client): the native rung now decodes HEVC as well as H.264
The last piece of M3 WP-2 — VkH265Decoder was built and hardware-gated
but nothing drove it. video_vk_native.rs holds a two-arm codec enum and
forwards to it; the ledger, release tokens, status-query settling and
timeline waits are byte-for-byte what they were, since they were always
codec-agnostic over one DecodedVkFrame contract. The forwarders are
written out per arm rather than macro'd so the unchanged H.264 arm is
visible to a reviewer.

The picture's own format now reaches the presenter, which picks bit
depth and MSB packing from it instead of assuming the H.264 envelope.
That incidentally fixes a live bug on the SHIPPING FFmpeg-Vulkan path:
it derived ten-bit-ness by comparing against the 10-bit 4:2:0 format
alone, so a 10-bit two-plane 4:4:4 surface — which its own format table
accepts, and which NVIDIA reports for HEVC RExt — got 8-bit range and
transfer maths. Reachable today with Full chroma plus 10-bit: decoded
correctly, displayed wrong.

Review round 11 caught a regression this WP would otherwise have
shipped. pf-vkdecode refuses a stream whose (chroma, depth) pair has no
picture format on the device, but the session is built lazily from the
first SPS, so the refusal arrived AFTER construction — past the point
where a native init failure falls through to FFmpeg-Vulkan. It burned
the error streak instead and demoted to VAAPI/D3D11VA, which on
NVIDIA/Linux means software. Turning on Full chroma on any non-NVIDIA
GPU was enough: a 4K HEVC session that ran on FFmpeg-Vulkan before this
branch would have landed on software decode.

Both halves are fixed. The negotiated chroma and bit depth — already at
the call site, the PyroWave arm four lines up uses them — are threaded
into the backend, which probes the same caps path ensure_state would
run, so the whole class refuses at CONSTRUCTION where the fall-through
already exists. For the legs no negotiation can carry (a level above
maxLevelIdc, an SPS that disagrees with the Welcome) the decoder latches
'never delivered a frame' and routes that first streak to FFmpeg-Vulkan
rather than down the hardware ladder. H.264 is deliberately not probed:
its envelope is fixed, so a probe would only add a profile guess on the
bit-exact path; it gets the latch as its backstop.

Two more from the round. Planner warnings are typed again rather than
Debug strings — pf-vkdecode simply lacked the h265 re-export its h264
twin already had — which restores the H.264 log rendering exactly and
unblocks M4, whose job is counting concealment by kind. And concealment
is now the integrity set only: NonZeroReorder is documented spec-legal
and fully planned, but the client treated every warning as damage, so
the opening IDR and every ABR renegotiation's IDR were released unshown
and re-anchored — a visible hitch on a healthy stream.

Also: a raw-format newtype so a neighbouring i32 field cannot be passed
to the colour maths, the presenter's depth table now pinned against
pf-vkdecode's actual output vocabulary rather than the FFmpeg lane's,
a per-format warn latch, and four stale docs.

Gates: fmt clean; container clippy -D warnings zero across
pf-client-core + pf-presenter + pf-vkdecode; tests 69/125/108/40 green;
cargo check --workspace clean.
2026-08-06 03:02:09 +02:00
enricobuehler 370b0ab494 feat(client): native Vulkan decode joins the automatic ladder, above FFmpeg-Vulkan
Closes M2. The 2026-08-05 ladder decision: WP-D shut with bit-exact
parity vs libavcodec (250/250 AUs on RADV, AMD-proprietary and NVIDIA)
and a 92-minute clean soak, and the program's goal is dropping FFmpeg
from the client — so on H.264 sessions where caps pass, auto now tries
pf-vkdecode FIRST, exactly where the ladder would reach FFmpeg-Vulkan.
No bake period.

native_vulkan_gate widens from by-name-only to the auto family
(auto/""/hardware); the vendor-first rungs are untouched (Linux
Intel/unknown still VAAPI-first, Windows Intel/unknown still
D3D11VA-first — NVIDIA and ALL AMD go native first). A native INIT
failure or caps refusal logs and falls through to FFmpeg-Vulkan, so
admission can't cost a session its decoder at start; runtime error
streaks ride the existing demotion machinery unchanged (past
FFmpeg-Vulkan to VAAPI/D3D11VA/software — a native→FFmpeg-Vulkan
runtime rung is deliberately absent, FFmpeg is on its way out).
PUNKTFUNK_DECODER=native-vulkan stays as the explicit pin; vulkan
keeps naming the FFmpeg backend specifically. A native_tried guard
keeps a failed pin init from re-attempting construction in auto.

Review round 8 (adversarial): no blocking code defect — no demote
bounce-back (Decoder::new is session-start-only; demotion mutates in
place), no double attempt, no cfg imbalance. 5 findings fixed: two doc
overclaims ("nothing regresses" now scoped to init; the ladder
enumerations no longer claim desktop-AMD Linux is VAAPI-first —
prefer_vulkan_first is vendor-wide), stale opt-in claims in Cargo.toml,
stale user-facing ladder text (console-ui row, trust.rs decoder field,
session README incl. the env-knob list), and the gate test now pins the
H264 codec-op bit to the literal 0x1 so a typo'd constant can't make
native silently never engage.

Gates: fmt clean; container clippy -D warnings zero for pf-client-core +
pf-presenter + pf-vkdecode; container tests green (pf-client-core lib +
pf-vkdecode + pf-bitstream); pf-console-ui check clean; mac
pf-vkdecode/pf-bitstream/cros-codecs 167 tests green.

On-glass sanity CLOSED 2026-08-05 ~22:10 UTC on .173 (4090, coincide
mode), decoder=auto and NO env var: the ladder picked native on its
own ("pf-vkdecode auto rung" log line), 525/526 stats windows on
native-vulkan over ~8m46s / 31550 frames, fps 0/59.4/61 with 6
windows <55 incl. startup zeros, bad-signature grep over the whole
log EMPTY, zero TDR events, host service Running after teardown.
2026-08-06 00:12:35 +02:00
enricobuehler 5ebe840320 fix(client/windows): settings persist when the app isn't installed on C:
windows / build (x86_64-pc-windows-msvc) (pull_request) Failing after 22s
apple / swift (pull_request) Successful in 1m30s
apple / screenshots (pull_request) Skipped
ci / rust-arm64 (pull_request) Successful in 1m34s
ci / web (pull_request) Successful in 1m28s
ci / docs-site (pull_request) Successful in 1m23s
android / android (pull_request) Successful in 3m9s
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 6m42s
ci / rust (pull_request) Successful in 7m46s
Reported from the field (2026-08-05): a fresh Windows 11 box with a data
partition, "New apps will save to: D:", and the client installed there. It
launches, finds hosts and streams — but no setting and no profile survives a
restart. Reinstalling to C: fixes it completely. The reporter's read was "it's
in read-only mode", and that is almost exactly right.

The one clue that localises it: the client creates its mTLS identity with a
plain `fs::write` on first run and hard-exits if that fails. Their app started,
so ordinary file creation in the config directory works. Only the config stores
were being lost — and those are the three files that go through `write_atomic`,
which writes a sibling temp and renames it over the target.

The rename is what breaks. The client ships as a full-trust MSIX package, so
its `%APPDATA%` writes are redirected into the package container. When the
package lives on a secondary drive, Windows keeps that redirected state on the
package's own volume: `C:\Users\<u>\AppData\Local\Packages\<pfn>\` stays a real
directory on C:, but its children (LocalCache, RoamingState, …) are junctions to
`D:\WpSystem\<SID>\…`. Both sides of our rename still spell `C:\Users\…`, so
nothing looks unusual, but they can resolve across that junction boundary — and
`std::fs::rename` is `MoveFileExW` with `MOVEFILE_REPLACE_EXISTING` and *not*
`MOVEFILE_COPY_ALLOWED`, so a cross-volume move fails outright rather than
degrading to a copy. Creating files still works, which is why everything else
about the install looks healthy.

So the fix is not to make the rename work — it is to stop treating it as the
only way to persist. `write_atomic` now falls back to writing the target in
place when the atomic route fails. That is the same operation the identity files
already use, and those demonstrably round-trip on the affected installs, so the
fallback lands on a path we know resolves. It trades crash-atomicity for exactly
the writes that would otherwise be lost, and nowhere else: temp+rename stays the
normal route everywhere it works.

Writing into a redirected location cannot desync from reading it — Microsoft
documents one private-location-first resolution order for both, so whichever
layer a write lands in is the layer the next read finds. The fallback verifies
anyway, by reading the bytes straight back: a write that reports success and
disappears is precisely the bug being fixed, so this path does not get to claim
success on an `Ok(())` alone. It costs nothing normally — it only runs on an
install that has already shown it does something unusual.

Two things this uncovered on the way:

The temp file was a single shared `<name>.json.tmp`, but these stores have five
whole-file writers (WinUI shell, session, console UI, CLI, Decky). Two saving at
once collide on it — on Windows the second write hits a sharing violation, and
worse, one process can rename the other's half-written bytes over the target.
The scratch path now carries the pid.

And none of this was visible to anyone. Every save on this page is
fire-and-forget by design (a failed settings write must never take a stream
down), so ~15 call sites discard the error and the UI cheerfully shows the
toggle you just moved. The reporter had no log file to send either, because
"Open log folder" was handing out a phantom path — a separate bug, already fixed
in f3c0ee47 but not in the 0.24.0 they were running. `store_health` records the
last persistence failure centrally, and Settings shows an error bar naming the
path when the store is refusing writes, so a client that cannot save says so
instead of pretending.

`update.rs` had hand-rolled the same temp+rename inline, so it neither cleaned
up its temp on a failed rename nor picks up the fallback; it now goes through
the one writer. The update floor silently never rising is how a declined update
comes back forever.

Deliberately NOT done: disabling MSIX AppData virtualization in the manifest
(`desktop6:FileSystemWriteVirtualization`). It would stop the redirection at the
source, but every existing packaged install's settings, profiles and pairings
live inside the container today — turning it off points the client at an empty
real `%APPDATA%` and silently resets all of them. That needs a migration, not a
manifest flag.

Also considered and not taken: resolving the destination directory with
`GetFinalPathNameByHandleW` and creating the temp inside the resolved path, to
keep atomicity. It does not reliably close this hole — when the target file
exists only in the unvirtualized layer while its directory resolves to the
private one, the rename still straddles the boundary — and it would rest on
canonicalisation behaving through the redirection, which we have never verified
on a packaged run.

Verified on the RTX box (.173, Windows 11 26200), which is the platform that
actually has these rename semantics: `cargo fmt --all --check`, the full
`pf-client-core` lib suite (109 passed), and clippy `-D warnings --all-targets`
on both `pf-client-core` and `punktfunk-client-windows` — all clean. Also green
under linux/amd64 (116 passed). Three new tests: the pid-scoped scratch path,
the fallback actually persisting and reading back when the atomic route is
blocked, and a genuinely unwritable store surfacing its error instead of
swallowing it.

The mechanism above is established from documentation and third-party reports,
not from a reproduction on a second-drive install — that box does not exist
here. The fix does not depend on the diagnosis being exactly right: it repairs
any install where the rename fails but a direct write succeeds.
2026-08-05 22:33:36 +02:00
enricobuehler 0a72959ef7 Merge main into feat/android-pad-audio
86 commits of main, including the whole M1-M12 haptics sweep. Twelve conflicting files;
three of them were more than textual.

**The capability bits collided.** Both branches allocated the SAME wire bits for DIFFERENT
features: `client_caps 0x04` and `host_caps 0x20` are redundant desktop audio on main and
pad audio here. Merged naively, a peer would negotiate one and get the other. Pad audio
moves to the next free bits — `CLIENT_CAP_PAD_AUDIO = 0x08`, `HOST_CAP_PAD_AUDIO = 0x40` —
and the `abi.rs` mirrors move with them (their compile-time equality assertions caught the
mismatch, which is exactly what they are for).

**Both branches also claimed ABI v15.** Main's shipped (the rumble-policy floor), so the
pad-audio surface becomes **v16**.

**`native/input.rs` would have reintroduced a fixed bug.** This branch resets
`rumble_seq[idx]` on pad removal; M1 established that the client's reorder gate is
per-connection with no reset path, so restarting the host counter strands every later
envelope until it climbs back. Took main's seq-preserving `clear_pad_feedback` and kept only
the branch's `pad_streams.stop(idx)`.

The rest: `wiring_plan::plan` now delegates to main's `plan_with_formats`, so the pad-endpoint
filter moved into that body and the predicate behind it is factored out as `is_pad_render`
(also what B10 needs); `Ds5Feedback::AUDIO` derives from main's `REPORT_ID_LEN` like its
siblings; `AudioCtl` joins the explicitly-listed unhandled variants so the guard-false case is
covered rather than swept up by a `_`; `include/punktfunk_core.h` regenerated rather than
hand-merged.
2026-08-04 23:27:06 +02:00
enricobuehler 1db7058a5d feat(clients/input): system buttons route around local overlays
apple / swift (pull_request) Successful in 1m30s
apple / screenshots (pull_request) Skipped
android / android (pull_request) Successful in 4m16s
ci / rust-arm64 (pull_request) Successful in 3m20s
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 59s
ci / web (pull_request) Successful in 1m36s
ci / docs-site (pull_request) Successful in 2m7s
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ci / rust (pull_request) Successful in 10m36s
Pressing guide/Steam/QAM collided with the client device's own shell: iOS 26
opens its Game Overlay for the Home press (no app opt-out until iOS 27 makes
it a user setting), and a Gaming-Mode client opened BOTH Steam overlays for
one press — the local one covering the stream.

Two cross-client tier-P settings, zero wire changes:

- system_buttons (auto|forward|local): raw guide+misc1 passthrough. Auto
  forwards everywhere EXCEPT under gamescope, where SteamOS reacts to the
  same physical press no matter what.
- guide_gesture (auto|on|off): hold Select ALONE ~350ms sends the HOST's
  guide, down until release — held on, that's the host's long-press, which
  opens a Gaming-Mode host's QAM for regular pads. A Select tap is delivered
  on release with its up TAP_PRESS (50ms) behind, because per-transition
  sends fold into seq'd GamepadState snapshots and a back-to-back pair can
  coalesce into no press at all. A Select inside a combo (the escape chord)
  passes through untouched. Auto arms it only where the raw press can't
  reach the host cleanly: gamescope, iOS/iPadOS, tvOS.

The same SelectGesture rules live in pf-client-core (pure state machine +
unit tests), the Apple client (mask-diff adaptation in GamepadCapture), and
Android's GamepadRouter. Settings rows on every surface (GTK, WinUI,
console UI, Decky, Apple x2, Android x2) with profile plumbing throughout.

punktfunk-session grows a control socket
($XDG_RUNTIME_DIR[/app/$FLATPAK_ID]/punktfunk-session-ctl.sock — the one
runtime path a flatpak and the host see identically): 'guide'/'qam' verbs
inject synthetic taps. The Decky panel gains a Host menus section (visible
while the client runs) whose buttons press the host's Steam/QAM and close
the local menu so the host's shows through.

iOS 27's GCControllerHomeButtonSettingsManager deep-link is a TODO (the
class needs the Xcode 27 SDK to compile). Docs: input, client-settings,
steam-deck. Design: punktfunk-planning design/system-buttons-routing.md.

Gates: docker clippy --all-targets --locked -D warnings + tests
(pf-client-core 88 incl. 6 new gesture tests, pf-console-ui 47),
cargo fmt --all --check, swift build (macOS), gradle kit+app compile,
decky tsc --noEmit + py_compile. clients/windows not compiled (no box).
2026-08-04 21:46:27 +02:00
enricobuehler 414380fc9e fix(cli): discover reads the host store without writing to it
`KnownHosts::load()` mints a stable id for any record that lacks one and SAVES it — which makes
it a write, and `discover` was calling it purely to annotate what the browse found with
saved/paired. It never hands those ids back to anyone.

That matters because the Decky panel issues `discover` and `hosts list` together, in parallel.
Against a store written before ids existed, both processes read it, both mint DIFFERENT ids for
the same record, and both save. Whichever loses the race has already handed its ids to its
caller — so the panel could draw a row whose host reference no longer resolves, and pressing it
would exit 5 ("no saved host matches") until the next refresh settled things.

`KnownHosts::read()` is `load` without the mint: the store exactly as it is on disk. `discover`
uses it; every caller that dials a host by id still uses `load`, so ids are still minted the
first time anything needs one.

Verified on a fixture store with no ids: `punktfunk discover` leaves it byte-identical, and a
following `punktfunk hosts list` mints as before.
2026-08-04 21:07:37 +02:00
enricobuehler 5be494f490 merge: bring main into the pad-audio branch
ci / web (pull_request) Successful in 1m0s
windows / build (x86_64-pc-windows-msvc) (pull_request) Failing after 1m2s
apple / swift (pull_request) Successful in 1m18s
apple / screenshots (pull_request) Skipped
ci / docs-site (pull_request) Successful in 1m51s
windows / build (aarch64-pc-windows-msvc) (pull_request) Failing after 34s
ci / rust-arm64 (pull_request) Successful in 2m48s
android / android (pull_request) Successful in 3m49s
ci / rust (pull_request) Successful in 5m40s
Main had moved 34 commits past the merge-base and 13 files had diverged.
Resolving now rather than later, since the force-feedback sweep work is landing
in the same files.

Five conflicts needed hand resolution. Four were "each side added something
different" and keep both: the Forwarding and PadAudioPrefs control variants with
their handlers and setters (pf-client-core/gamepad.rs), both of the session's
pre-attach declarations (forwarding first, so slots still declare their
pad-audio caps at open time), main's WiredPlan/fingerprint alongside the
branch's pad_render_ids (audio_control.rs), and main's judge_default signature
(wasapi_cap.rs).

wiring_plan.rs was not mechanical. Main's 652abeb3 added a flagged last-resort
loopback tier; the branch had added a fifth `plan` parameter excluding pad
endpoints from every role. Taking either side alone loses the other, and
combining them carelessly is worse than both: the new last-resort tier would
happily select the pad's own speaker endpoint, which is stamped "DualSense
Wireless Controller" with no virtual marker precisely so games read it as the
pad's speaker — routing the entire desktop mix into the controller's voice
coils. The branch's exclusion shadows `renders` before any tier runs, so the
last resort inherits it; `a_pad_is_never_the_last_resort` pins that, including
that a pad-only candidate set stays honestly unsatisfiable rather than falling
back onto the coils.

Verified: clippy -p punktfunk-host -p pf-client-core --all-targets --locked
-D warnings = 0; pf-client-core 93/93; punktfunk-host 387 passed with only the
known-environmental gamestream sender_delivers_batches UDP-loopback flake;
wiring_plan 21/21; fmt clean.

NOT verified: audio_control.rs and wasapi_cap.rs are cfg(windows), so neither
the Linux container nor xcheck.sh compiles them. Those two resolutions have had
review only and need the Windows runner before this merges.
2026-08-03 19:11:26 +02:00
enricobuehlerandClaude Opus 5 5f55fa874a feat(client/present): the desktop presenter gains the Apple/Android intent model
WP1+WP2 of design/desktop-presentation-rebuild.md. The shared Linux/Windows
session client presented arrival-paced with no pacing layer at all: two depth-2
newest-wins hops into a drain-to-newest and an immediate present. That IS the
lowest-latency intent, but it was unnamed, unselectable, and had no alternative
— and on a surface without MAILBOX (AMD's Windows driver offers none, and any
compositor holding images does the same) the swapchain's own FIFO becomes a
standing queue worth a measured 11-13 ms at 60 Hz.

WP1 — the settings cluster, under the keys the Apple client already writes into
the shared profile catalog (present_priority / smooth_buffer / vsync /
allow_vrr): mismatched names would ride SettingsOverlay::extra, carried but
never applied. PresentPriority::resolve mirrors the Android reference exactly
(anything but an explicit "smooth" is latency; a buffer outside 1..=3 becomes
2), so a profile authored on any client means the same thing on all of them.
Only the first two are consumed here; vsync/allow_vrr land in WP3.

WP2 — the engine (present_pace.rs, pure state + arithmetic, 6 tests):
- FrameStore: newest-wins slot, or the smoothing FIFO with preroll-to-capacity,
  drop-oldest overflow, and an underflow that re-arms the preroll (repeat by
  omission) — the Apple/Android semantics, with qDrop/qDry counters.
- LatchClock: the panel grid learned from VK_KHR_present_wait glass stamps,
  min positive spacing capped by the mode refresh (measured, never queried —
  VRR and Android's per-uid refresh lie both punish trusting a reported rate).
  It now also publishes the host-facing LatchGrid, so the phase-lock report and
  the local scheduler cannot disagree about the grid.
- PresentGate: one undisplayed present in flight on FIFO surfaces, with the
  100 ms stale force-open. This is the standing-queue killer, and it is inert
  on MAILBOX/IMMEDIATE and without present timing — where behaviour stays
  byte-for-byte the shipped arrival pacing.

Wiring: glass samples drain every pass (a 1 Hz batch would starve clock and
gate) and the waiter pushes an SDL wake, so a gate reopen never waits out the
event timeout; smoothness serves one frame per latch slot and tightens the
loop's wait to that deadline; the adaptive slot margin starts at 0 and widens
+500 us per missed window toward 2.5 ms (a fixed lead was measured to be pure
display tax). PUNKTFUNK_PRESENTER=arrival disables the whole engine for field
A/B without a rebuild.

PyroWave collapses smoothness to latency for the stream: its plane-ring
retirement accounting assumes the depth-2 newest-wins hand-off, and all-intra
frames make buffering moot anyway.

Gates (punktfunk-rust-ci, linux/amd64, sources touched first so a warm target
cannot print a vacuous Finished): clippy -D warnings across pf-client-core,
pf-presenter and punktfunk-client-session; 80 + 32 tests pass; rustfmt clean.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:00:50 +02:00
enricobuehlerandClaude Fable 5 d839f4c2b6 fix(client/windows): settings stop going stale behind your back, and the log has a door
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A field reporter's codec setting "changed by itself" between sessions. Nothing writes
the negotiated codec back — what they saw was a stale snapshot. `AppCtx.settings` is
loaded ONCE at process start and the page renders from it, but this process is not the
file's only writer (the spawned session persists its match-window size, the console UI
and Decky save too), so the page showed values another process had already replaced —
until a row was touched and `commit`'s rebase pulled the file in, at which point the
value visibly jumped. The 2026-07-31 rebase fix covered the whole-file writers and
missed two spots: nothing re-based on page ENTRY, and the profile-scope commit arm
cloned the snapshot without reloading, so overlay absorption diffed against stale
globals. Both now re-base on the file.

Two more ways a setting could vanish or cost time:

* An older binary's whole-file save DROPPED a newer client's keys — `Settings` had no
  unknown-key passthrough, unlike `SettingsOverlay`, whose `extra` map already gives
  profiles exactly that contract. Extended to the globals: additive, empty on every
  existing store, and an empty map serializes to nothing so no file churns. (`save()`
  was already temp+rename, so the torn-file → silent-Default reset was closed.)
* "Check the client log" never said WHERE. Settings ▸ About grows an Open log folder
  row (%LOCALAPPDATA%\punktfunk\logs, folder not file so the rotated .old generation
  is in reach), and the failed-spawn banner now names the path.

The 4:4:4 caption said "HEVC only, and only where the host can encode it", which sends
people hunting: the host gate is PyroWave or an NVENC backend. It says so now.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 23:49:45 +02:00
enricobuehlerandClaude Opus 5 b297542c4d feat(clients/input): controllers can stop being forwarded, for couches that hand the pad over another way
windows / build (aarch64-pc-windows-msvc) (pull_request) Successful in 1m4s
apple / swift (pull_request) Successful in 1m21s
apple / screenshots (pull_request) Skipped
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ci / rust-arm64 (pull_request) Successful in 2m50s
windows / build (x86_64-pc-windows-msvc) (pull_request) Successful in 1m55s
android / android (pull_request) Successful in 3m27s
ci / rust (pull_request) Successful in 7m59s
A controller that reaches the host by USB passthrough — VirtualHere and friends, or simply a
pad plugged into the host — arrived there twice: once as the real device, once as the virtual
pad this client built from the same hands. Games read both, so a stick drifts against the
centred second pad and menus take every input twice.

New per-client setting, "Forward controllers", default on (today's behaviour). It is tier-P,
so a profile can decline what another profile forwards.

On Linux and Windows it is deliberately stronger than "send nothing". Opening a controller is
what CLAIMS it — SDL's HIDAPI drivers take the device node — and a claimed device is one a
passthrough tool cannot bind, so with this off the session opens no slot at all and never
enables the Valve HIDAPI drivers. Menu navigation is untouched: the launcher still opens the
active pad, and a session supersedes menu mode whether it forwards or not, so the pad is free
for the whole time a stream is up. The consequence, documented at both the setting and the
chord: the controller escape chord is read off forwarded pads, so it is unavailable there.

The Apple and Android input stacks claim nothing, so those clients keep their slots and their
chords and only gate the wire sends — losing tvOS's only controller way out of a stream would
have been the worse bug. Android does stop its DualSense and Steam Controller 2 USB captures,
which do claim the device.

Surfaces: GTK, WinUI, the console settings screen, Apple's touch and gamepad settings, the
Android touch and gamepad settings, and Decky (which also hides the rows that now have nothing
to act on). Everywhere the "which pad" and "pad type" rows grey out while it is off.

Verified: cargo clippy --all-targets -D warnings + 79 tests on pf-client-core, pf-console-ui,
punktfunk-client-session and punktfunk-client-linux (linux/amd64 container, gate proven
non-vacuous with a planted error); swift build for the Apple clients; gradle compile + 49 unit
tests for Android (likewise proven); tsc for Decky. clients/windows is UNCOMPILED — both
Windows boxes were offline; its edits were reviewed against the helper signatures by hand.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 22:21:26 +02:00
enricobuehlerandClaude Fable 5 ed3d236ab8 feat(pad-audio): DualSense audio haptics + speaker, host->client end to end
The 0xD1 pad-audio plane streams a DualSense's voice-coil haptics (back
channel pair, 5 ms Opus frames) and speaker (front pair, 10 ms) per pad from
a Windows host to the SDL clients, which render them into a USB DualSense's
own 4-channel audio device.

Wire (punktfunk-core, ABI v15): PAD_AUDIO_MAGIC 0xD1 [pad][kind][seq][pts]
[opus]; CLIENT_CAP_PAD_AUDIO 0x04 / HOST_CAP_PAD_AUDIO 0x20; per-pad render
capability rides GamepadArrival flags bits 8/9, sent only toward a host that
advertised its cap so old hosts see byte-identical arrivals; silence is a
frozen seq (mic-mute discipline), loss is a seq gap concealed via
AudioGapTracker. HidOutput::AudioCtl (0xCD kind 0x06) forwards the 0x02
report's audio-control bytes 5..=10 change-only, value-deduped, with a
once-per-pad "title asserted haptics-select" diagnosis log.

Windows host endpoint provider (audio/windows/pad_endpoint.rs): per-pad
render endpoints are additional devnode instances of Valve's Steam Streaming
Speakers driver (SetupDiRegisterDeviceInfo, NOT the class installer - it
needs an interactive window station), stamped with DualSense identity: desc
"Wireless Controller", device name "DualSense Wireless Controller",
ContainerId = the virtual pad's PFDS GUID, 4ch/48k format triplet.
IPropertyStore route first, ACL-repaired registry fallback (the MMDevices
keys deny writes even to SYSTEM; the owner's implicit WRITE_DAC + an ACE for
S-1-5-18 resolved by SID is the way in). Provisioned at host startup
(PUNKTFUNK_PAD_AUDIO, PUNKTFUNK_PAD_AUDIO_SLOTS, default 1), idempotent via
a persisted PunktfunkPadIndex marker; pad endpoints are structurally
ineligible for the mic/loopback wiring plan and guarded against default-
device theft; capture is WASAPI loopback on the stamped endpoint. Devtest:
punktfunk-host pad-endpoint ensure|remove|status.

Host service (native/pad_audio.rs): per-(session,pad) thread, loopback 4ch
-> pair splitter -> per-kind stereo Opus (48k LowDelay CBR 64k) -> per-kind
silence gate (opens at peak>=1e-3, 250 ms hangover, gated = no send + frozen
seq) -> datagrams. Spawned from the native input pump when a DualSense/Edge
arrival carries audio bits and both caps negotiated; idempotent re-arrivals;
reaped on remove and teardown.

Client tier A (pf-client-core/pad_audio.rs): settings pad_haptics (default
on) and pad_speaker (default "pad"); tier A = wired USB DS5/Edge via SDL
connection state with an audio-sibling fallback; correlation maps the SDL
HID path to the pad's own render endpoint (Windows: ContainerId match +
4ch gate via registry; Linux: Sony sink signature); renderer decodes both
kinds into a quad interleave and plays it on the pad's endpoint (WASAPI
autoconvert / PipeWire target.object, 240-2400 frame ring floor,
dont-reconnect so an unplug never re-routes haptics to the desktop
speakers). SDL's DualSense driver sets "disable audio haptics" whenever it
drives rumble emulation, so tier-A pads suppress wire rumble and send one
cleared-enable-bits effects packet to keep the actuators live; AudioCtl
bytes fold back into the effects packet at report-minus-one offsets.

Verification: punktfunk-core 265 tests (macOS) + clippy -D warnings (mac +
Linux docker); pf-inject 85 tests (Linux docker); punktfunk-host cargo
check + clippy + 19 pad tests + 46 audio-module tests (Windows box);
pf-client-core 30 tests + clippy (Linux docker CI image) + cargo check
(Windows box); punktfunk-client-session clippy (Linux) + check (Windows);
cargo fmt --all --check clean on the final tree. NOT yet verified: any
on-glass run (host deploy + real title + physical pad), the stamp-route
split at runtime, exclusive-mode Initialize isolation, Linux-host emission
(the per-pad PipeWire sink is not in this change - Windows hosts only).
Scope excluded deliberately: tier B (Apple CoreHaptics) and tier C
(haptics->rumble derivation), pad_speaker="mix", Android leg, settings UI
surfaces (keys are serde-defaulted), GameStream-plane arrivals (audio_caps
always 0 there).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 12:07:06 +02:00
enricobuehlerandClaude Fable 5 a7143a6510 Merge origin/main into audio/mic-latency-echo
Main moved through the same surfaces while the audio work was in flight, so
three files needed hand-resolution:

- clients/windows/src/app/settings.rs — main gave Windows its speaker and
  microphone endpoint pickers, the gap this branch could only report. Both
  keep their rows: the pickers, then Echo cancellation, and the microphone
  description keeps the sentence naming the mute chord.
- crates/pf-console-ui/src/screens/settings.rs — both sides grew the couch
  row list. Main's seven new rows and Echo cancellation are all reachable
  in Gaming Mode; the count is 22 and the rationale comment names echo
  cancellation among the fields that would otherwise be unreachable there.
- crates/pf-presenter/src/run.rs — both sides added a stats test at the same
  line. Both are kept.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:04:34 +02:00
enricobuehlerandClaude Opus 5 43a631ea9c fix(clients): a host that re-keys stops locking the client out for good
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Reinstall a host, wipe its ProgramData, or otherwise regenerate its identity,
and the desktop clients refused it forever: "Host identity rejected — wrong
fingerprint, or the host requires pairing", including immediately after a
successful re-pair. There was no way out of it from the UI — the host list
showed two cards for one address and forgetting the wrong one was a guess.

`KnownHosts::upsert` matches on the FINGERPRINT, which is what lets a host that
moved address keep its record and everything the user set on it. A host that
changed identity matched nothing, so pairing appended a SECOND record for an
address that already had one, and `find_by_addr` returned whichever came first
in the file — the dead one, every time.

Trust decisions (PIN ceremony, delegated approval, TOFU accept, headless pair —
all funnelled through `persist_host`, plus the Windows shell's two direct
upserts) now go through `upsert_trusted`, which retires any OTHER record for
that address. Retired means DELETED, not demoted: a record whose certificate
the host no longer holds cannot connect, so keeping it only reproduces the two-
cards-one-address confusion this fixes. What described the box rather than the
identity — its MAC, its OS chain, the bound profile, the pinned cards, when it
was last used — moves onto the record that survives, so a reinstall doesn't
quietly cost the user their setup. What described the dead identity does not:
`paired` and `clipboard_sync` are decisions about one specific certificate and
have to be made again for a new one, and the retired record's stable id stays
retired (a deep link written from it falls through to the `host=` recovery the
link grammar already specifies).

Only trust decisions may retire a record. The wake path's address re-key and
every learn-from-advert path stay on plain `upsert`: those are driven by
unauthenticated mDNS, and letting an advert delete a saved host by claiming its
address would trade this bug for a much worse one. A plain reconnect still
fails closed on a pin mismatch — nothing here changes what the pin is checked
against.

Stores that already hold the duplicate recover on the next connect, not at
load: which of two records is live isn't knowable at load time and guessing
wrong would throw away the good one. Instead `find_by_addr` stops being
positional — a real fingerprint beats a placeholder, and among real ones the
newest trust decision wins, since records are only ever appended by one. The
next successful pair then cleans the store up for good. Every lookup that picks
a pin or a per-host decision for a connect now goes through it (the session's
pin and clipboard read, the deep-link resolver, orchestrate's plan, both speed
tests, the CLI's --wake and --library, which had also been ignoring the port),
and an advert's learned MAC/OS lands on the record it identified rather than on
a stale namesake that merely came first.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-01 00:00:49 +02:00
enricobuehlerandClaude Fable 5 7ec3107b4a feat(client): the mic has an off switch, and echo cancellation has a switch too
Ctrl+Alt+Shift+V mutes and unmutes the microphone mid-stream — V for
voice, since M and S were taken. The uplink keeps running while muted:
`MicStreamer::spawn` takes a shared AtomicBool the capture callback reads
every quantum, and a muted callback drains whole frames and sends
nothing. Stopping the stream instead would have re-primed the device
buffers and, on Linux, re-run source selection on every unmute — a
second of glitch for a key people press mid-sentence. The sequence
counter deliberately does NOT advance while muted, so the host sees one
continuous sequence with a pause rather than a gap the size of the mute,
which its de-jitter would try to conceal frame by frame (its 600 ms
stale-flush covers the rest).

The mute lives on SessionHandle as a MicControl with two flags, not one:
`live` is raised by the pump only once the uplink is actually running, so
a session with the mic off in Settings — or whose capture device wouldn't
open — reports "nothing to mute", the chord says so in the log, and no
indicator appears. Per session, never persisted.

Muted state draws as a persistent "Microphone muted" badge in the stream's
top-right corner, off `FrameCtx::mic_muted` rather than the stats text: it
has to be there with the stats overlay Off, which is where most people
leave it. The Detailed mic line still reads throughput, so it simply falls
to zero — the badge is what answers "am I muted".

Echo cancellation stops being an env-only lever. `Settings::echo_cancel`
(default on, `#[serde(default)]` so every stored file loads with it on)
now gates the same hooks PUNKTFUNK_NO_AEC gated: the echo-cancelled
PipeWire source preference and WASAPI's Communications stream category.
The env var still wins, one-way — it can only turn AEC off, never back on
— and both `aec_enabled` helpers say so. The row ships in the GTK, WinUI
and console settings, under the microphone toggle and greyed out while it
is off, matching what Apple and Android shipped in wave 1.

SettingsOverlay grows `echo_cancel` as a first-class field — apply,
absorb, clear, is_empty — instead of riding the `extra` passthrough, where
`clear_override("echo_cancel")` answered false. The JSON key is the one
Apple and Android already write, so one catalog round-trips through all
three.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 23:07:30 +02:00
enricobuehlerandClaude Fable 5 698925a036 fix(clients): settings saves stop reverting each other, Windows gets audio pickers, and a game link launches its game
The rest of the client-gaps handoff, plus what a parity sweep surfaced:

* Every whole-file settings save rebases on the file first — the GTK
  dialog close and its two speed-test apply arms, the Windows
  per-control commit, the console screen. The file has five writers and
  no merge (profiles.rs documents the debt); saving a shell-lifetime
  snapshot silently reverted whatever another writer stored meanwhile,
  most visibly the spawner-persisted match-window size (item 4).
* Windows honors the Speaker/Microphone picks: `audio_wasapi` grows
  endpoint enumeration (on its own MTA thread — UI threads are STA) and
  resolves PUNKTFUNK_AUDIO_SINK/SOURCE as endpoint ids, falling back to
  the default when the picked device is gone; the settings page gets
  the two rows (defaults scope, "(not detected)" like the GPU row).
  `speaker_device`/`mic_device` stop being Linux-only fields (item 5).
* A punktfunk:// link with `launch=` opened a plain desktop session on
  Windows — the id was parsed, validated, planned, and dropped at the
  last hop. It now rides `initiate_launch` (plus a waking variant for
  the dial-first path). Linux always forwarded it.
* The console UI offered "VAAPI" on Windows — a dead option there that
  also hid d3d11va, the actual Windows hardware path. The decoder list
  is per-OS now.
* The Windows gamepad picker learns "Steam Deck" (the GTK picker had
  it; the host-side pad has always existed).
* Doc fixes: gpu.rs named a nonexistent env var (PUNKTFUNK_ADAPTER →
  PUNKTFUNK_VK_ADAPTER), and session/Cargo.toml claimed video decode is
  Linux-only while explaining what the ARM64 leg drops.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:21:26 +02:00
enricobuehlerandClaude Opus 5 fd3c54bd43 feat(client): "Capture system shortcuts" finally decides where Alt+Tab goes
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The toggle has been stored, profileable and rendered in two settings UIs since
profiles landed, and nothing read it. Windows grabbed the keyboard whenever input
was captured, setting or no setting; Linux never grabbed at all, because the grab
sat behind `#[cfg(windows)]` with a comment deferring the compositor story to "the
shells" — which never picked it up.

`Settings.inhibit_shortcuts` now reaches the presenter and gates the grab, on both
platforms. SDL3 already maps `SDL_SetWindowKeyboardGrab` onto
`zwp_keyboard_shortcuts_inhibit_manager_v1` on Wayland and `XGrabKeyboard` (plus
`_XWAYLAND_MAY_GRAB_KEYBOARD`) on X11, so dropping the cfg is the Linux fix.

Capture state still gates it, so releasing input hands the chords straight back,
and the desktop mouse model never grabs. A compositor with no shortcuts-inhibit
global says so once instead of failing silently — at debug under gamescope, which
has no shortcuts to inhibit in the first place.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 19:27:33 +02:00
enricobuehlerandClaude Fable 5 9b2404a580 feat(core): every connect introduces the device by name
The wire always had Hello.name and the host always honored it - but the
connect path hardcoded None (only the PIN-pairing ceremony sent a name),
so every no-PIN "request access" knock surfaced as the fingerprint
placeholder "device abcd1234", and approving one without retyping a
name persisted that placeholder into the trust store forever.

NativeClient::connect now takes the device name. The session workers
and the probe connects pass trust::device_name() (the hostname), the C
ABI defaults to the same without a signature change (an ex10 variant
can make it explicit if an embedder wants a custom label), and Android
threads Build.MODEL through nativeConnect - the same convention its
pairing dialogs already use for nativePair.

The host, in turn, resolves the streaming client's display name (trust
store first, so an approval-time rename wins; else the sanitized Hello
name) and exposes it as client_name in GET /api/v1/local/summary for
the tray's connect toast - a deliberate, documented loosening of that
route's "no device names" contract, in the local user's favor: it tells
them who is on their machine. A paired-but-idle device's name still
never appears, which the mgmt tests now pin explicitly. openapi.json,
its docs-site copy, and the SDK bindings regenerate.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-29 21:32:50 +02:00
enricobuehlerandClaude Fable 5 944c03dd32 feat(client): the desktop clients wear the host's OS mark
The client half of the host's new `os=` advert, shared once in pf-client-core:
`sanitize_os` (mDNS is unauthenticated input — lowercase `[a-z0-9._-]` tokens,
capped) and `os_icon_tokens`, the most-specific-first walk with the brand
aliases (`macos`→apple, `steamos`→steam) every platform resolves through.
`DiscoveredHost` carries the chain, `KnownHost` persists it (`serde(default)`,
elided when empty — older stores load unchanged and older clients read back
exactly what they wrote), `upsert` moves it only when carried, and `learn_os`
mirrors `learn_mac` — no-op, no disk write when unchanged — so the mark
survives the host going to sleep.

GTK shells: the card's status row leads with a recolorable symbolic glyph.
That needed real embedded assets — the shells had none — so `data/` gains the
ten `pf-os-*-symbolic` SVGs compiled into a gresource (new build.rs,
glib-build-tools) and registered on the icon theme at startup; the Adwaita
theme then tints them like every other status glyph.

WinUI shell: reactor renders raster-from-URI only, so the embedded mid-gray
PNGs (legible on both themes) materialize once into
%LOCALAPPDATA%\punktfunk\os-icons\ — the library's poster-art pattern — and
the tile's status row leads with a 16px image.

The couch UI plumbs `HostRow.os` (live advert preferred, else the store) for a
Skia glyph that is a declared follow-up; `--list-hosts` / `hosts --json` emit
the stored chain so the Decky plugin can read it. A host that advertises no
`os` renders everywhere exactly as it did before the field existed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-29 17:58:33 +02:00
enricobuehlerandClaude Opus 5 b0ea1e6b51 fix(client/linux): the override marker appears on touch, profiles get a colour, and 4:4:4 gets a switch
Three things found by actually driving the client.

**The marker didn't appear until you reopened the dialog.** It was rendered once, at build
time, from the stored overlay — so changing a setting inside a profile looked like it did
nothing. The design says touching a control creates the override and the marker appears
immediately, and it has to: a user who changes a row and sees no acknowledgement has no
reason to believe it took. Every profileable row now builds its dot and reset hidden, and
the same handler that records the touch reveals them. Resetting a row touched in the same
sitting also un-touches it, so the commit can't re-write what the reset just removed.

**Profiles had no colour.** `accent` has been in the schema since P0 and nothing could set
it, which left every chip the same grey — and telling profiles apart at a glance across a
grid is the entire reason chips exist. Creating a profile now picks a colour in the same
breath as its name (hunting for it afterwards is what leaves them all grey), an existing
profile has a Colour row, and host-card chips are tinted with it. A palette of eight rather
than a free picker: legibility across light and dark is the job, and the schema still
accepts any `#RRGGBB` a hand-edit or a future picker writes. Anything that isn't `#RRGGBB`
is refused rather than interpolated into CSS, and each distinct colour registers one
display-wide rule (per-widget providers are gone since GTK 4.10).

**4:4:4 had no switch anywhere but Apple.** `VIDEO_CAP_444` has been on the wire for a
while with only `punktfunk-probe`'s env var to set it. It is now a setting — and a
profileable one, which is the point: full chroma is what makes small text and thin UI lines
crisp, so a "Work" profile wants it where "Game" usually doesn't. The host still gates it
on its own policy, HEVC, and a GPU that can actually encode it; advertising only says "I
can decode this and I want it".

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-29 12:38:53 +02:00
enricobuehlerandClaude Opus 5 eab4829630 feat(client): the brain layer — one connect plan, one wake machine, one spawn
C0 of design/client-architecture-split.md. Wake-then-connect exists three times today —
GTK's `WakeConnect`/`wake_fallback`, the WinUI shell's `wake_and_connect` (whose comment
says it "mirrors the Apple HostWaker"), and Apple's `HostWaker` itself — and the
deep-link and profile work was about to make it five. `pf-client-core` already held the
ingredients (wol, discovery, trust, library, session); what was missing was the layer
that composes them, so every front-end composed them itself.

`ConnectPlan` is a resolved intent: which host, which pin, which launch id, which
profile, the effective settings, whether to wake. One constructor per door — a card
click, a CLI verb, a URL — one type out. `ConnectPlan::resolve` is pure (stores in,
plan out), which is what lets the URL router be tested without a config directory;
`for_host` is the convenience that loads them.

`plan_from_link` is where the deep-link security rules actually live, rather than in
each shell: a contradicted fingerprint refuses and says which host it was about, an
ambiguous name refuses instead of picking the first, a profile the catalog can't honor
refuses BEFORE anything is dialled, and an unknown — or known-but-never-pinned — host
becomes a confirmation sheet carrying the claimed name and expected pin, so the first
connect is verified rather than blind TOFU. Preempting a live session stays with the
caller: only the front-end knows one is running.

`WakeWait` is Apple's `HostWaker` cadence as a pure step function — packet at 0 s and
every 6 s, presence polled every second, 90 s budget, and a PARK (not an error) at the
end, because "it didn't wake in 90 s" is usually "give it 10 more". As a step function
each front-end drives it from its own loop and they still agree, and the whole cadence
is testable without waiting 90 seconds.

Session spawn, its argv and its stdout contract move here too, and the GTK shell now
spawns through them — so "which flags does a stream get" and "what does ready mean" have
one answer for the shells, the console and the coming CLI. `--profile` deliberately does
NOT ride a plain card click: the session resolves the host's binding through the same
helper, and passing it would be a second source of truth for one decision.

Not yet adopted: the two shells' wake paths. That swap changes the most-used path in the
product and the handoff wants it verified on glass with a genuinely sleeping host, which
this session couldn't do — so the state machine lands, the duplication stays until it
can be verified away.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-28 20:45:07 +02:00
enricobuehlerandClaude Opus 5 a2be3f4de9 feat(client): settings profiles — the override catalog, the one resolver, and the session flag
A client setting is global today: pick 4K@120 HDR and the retro box gets it too.
The one escape hatch (per-host `clipboard_sync`) proves the shape works but covers a
single field. This is P0 of design/client-settings-profiles.md — the headless core the
shells, Apple, Android and the deep-link grammar all build against. No UI yet.

A profile is a NAMED BUNDLE OF OVERRIDES, not a snapshot: `SettingsOverlay` is sparse
`Option`s, so a field the user never touched keeps following the global value live, and
fixing a global once fixes it everywhere. `Some(x)` equal to today's global is still
meaningful — it pins x against a later global change — which is why the UI will write
`Some` on touch and `None` on an explicit reset, never by diffing.

The catalog is its own `client-profiles.json`, deliberately not part of the settings
file: that file has five whole-file load-modify-save writers with no merge, so a profile
written by one would be dropped by the next. Which host uses which profile is a field on
the host record instead of a map keyed by host — that is what dissolves the client's
long-standing "what identifies a host record" question for this feature.

Resolution has exactly one implementation, `trust::effective_settings()`:

    effective = overlay(profile).apply(global)
    profile   = one-off pick ?? host binding ?? none

Both session construction sites go through it (`main.rs` AND `console.rs` — touching one
and not the other is a Windows-only build break), so the console, and therefore Decky,
honor host bindings with no work of their own. Nothing here can fail a connect: a
deleted binding resolves as "no profile", and a one-off that can't be honored falls back
to the DEFAULTS rather than to the host's own profile — "connect with Work" must never
quietly stream "Game". `--profile <id|name>` is the one-off door for the shells' coming
"Connect with ▸" and for `punktfunk://…&profile=`; `--profile ""` forces the defaults on
a bound host. The active profile's name closes the stats overlay's first line, so
"which profile am I on?" is answerable without leaving the stream.

Also here, because this effort touches every one of these anyway:

- `KnownHost` gains `profile_id`, `pinned_profiles` and a lazily minted stable `id`. The
  id is groundwork (design §4.5) — no lookup is re-keyed, `fp_hex`/`addr:port` stay.
- `upsert` now preserves the state the USER set on a record — the profile binding, its
  pins, the clipboard decision, the id — against refreshes that carry none of it.
  `clipboard_sync` survived that only because the function happened not to mention it.
- `KnownHost::default()` exists so construction sites read `..Default::default()`; five
  hand-written literals were exactly how a new field gets silently dropped on re-pair.
- All three client stores now write temp+rename. A torn settings file loads as `Default`
  — i.e. silently resets every setting the user has.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-28 20:22:33 +02:00
enricobuehlerandClaude Opus 5 915fc3ef9e feat(session): headless --pair, so a box with only SSH can enrol
`punktfunk-session --pair <PIN> --connect host[:port]` runs the SPAKE2
ceremony with no window and no toolkit, prints the same
`paired <addr>:<port> fp=<hex>` line as `punktfunk-client --pair`, and
exits. Until now the PIN ceremony lived only in the GTK shell or the Skia
console, so enrolling an embedded/kiosk client meant installing a desktop
on it — or copying the identity store by hand.

Dispatches above every graphics call (the machine may have no display) and
is in the `--no-default-features` build: enrolling must never be the reason
a minimal image pulls in Skia. `--name` defaults to the hostname instead of
the desktop path's hardcoded "Steam Deck".

`forget_placeholder` and `device_name` move into pf_client_core::trust so
the two binaries share one implementation rather than the session
re-deriving them.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-25 14:32:45 +02:00
enricobuehlerandClaude Fable 5 df04880273 feat(client/input): desktop (absolute) mouse mode — remote-desktop sweep M1
New physical-mouse model beside capture: Desktop leaves the pointer
uncaptured and sends absolute positions through the letterbox
(MouseMoveAbs — every host injector already consumes it). Capture
stays the default and the game model.

- pf-client-core: MouseMode (capture|desktop) persisted in Settings,
  default capture so existing stores are unchanged.
- pf-presenter: Capture grows a desktop model — latest-wins pending
  abs position coalesced per loop iteration (same 1000 Hz discipline
  as relative), flushed before clicks/keys/wheel so they land where
  the cursor is; Ctrl+Alt+Shift+M flips the model live; local cursor
  stays hidden over the window (the host's composited cursor is the
  one you see until the M2 cursor channel); Windows keyboard grab
  only engages for capture (a desktop stream is something you
  Alt-Tab away from).
- gamescope gating: its EIS is relative-only, so desktop mode is
  pinned off there (resolved_compositor), with a log note.
- Settings surfaces: GTK row (dynamic caption), WinUI combo,
  console-UI row + step test, capture-hint line.

Verified: fmt + clippy -D warnings + tests (33/40/19) on Linux .21;
clippy -D warnings for all five crates incl. punktfunk-client-windows
native on .173.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-22 23:37:32 +02:00
enricobuehlerandClaude Fable 5 2562663fc6 fix(host/linux): survive and self-heal dead gamescope sessions on headless SteamOS boxes
Three fixes for the "most connects simply fail" trap on a SteamOS host
with no physical display (VM testbox, panel-less mini PC):

- restore path: skip the restore-to-physical-panel when no DRM connector
  reports a connected display — removing the headless drop-in and
  restarting gamescope-session.target on such a box just crash-loops
  gamescope and strands every later connect on "no usable compositor".
  Keep the headless session (and the takeover state) instead.
- connect path: when no live graphical session exists but the MANAGED
  gamescope infra is present (SteamOS gamescope-session / Bazzite
  session-plus), route to the gamescope takeover — which rebuilds the
  session at the client's mode — instead of failing the connect.
- error delivery: a session-setup failure used to just drop the QUIC
  connection, reaching the client as "control stream finished mid-frame"
  (indistinguishable from transport trouble). Close with a typed
  setup-failed code (0x68, RejectedSetupFailed = -29) carrying the error
  text, and give the client handshake/pairing error paths a short grace
  for the CONNECTION_CLOSE to beat the stream error it caused.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-22 09:50:30 +02:00
enricobuehlerandClaude Fable 5 40c2f68231 feat(client): device-pick plumbing — GPU enumeration + audio endpoint targeting
The Settings GPU pick existed (adapter → PUNKTFUNK_VK_ADAPTER) but no Linux
shell could enumerate anything to pick: the GTK shell deliberately links no
Vulkan. pf_presenter::vk::list_adapters() reads the physical devices'
marketing names (no surface, discrete first, deduped — the name is the whole
match key in pick_device), surfaced as `punktfunk-session --list-adapters`.

Audio gets the same treatment for the new speaker_device/mic_device settings
(PipeWire node.name; empty = default): session main maps them onto
PUNKTFUNK_AUDIO_SINK/SOURCE — a hand-set env still wins, like the adapter —
and the playback/mic streams pass them as `target.object` (raw key: the
keys::TARGET_OBJECT constant is feature-gated on a newer libpipewire than we
require). pf_client_core::audio::devices() is the registry roundtrip the
pickers read, exposed for debugging as `punktfunk-session --list-audio`.
The WASAPI leg (Windows endpoint IDs) is still to come; the fields are
ignored there.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 19:32:38 +02:00
enricobuehlerandClaude Fable 5 aa45757a72 feat(client/windows): per-host clipboard toggle
The bridge landed always-on whenever the host permitted it; sharing a
clipboard is a trust decision about a specific host, so it needs to be
opted into. Mirrors the Apple client's per-host model
(StoredHost.clipboardSync, "Share clipboard with this host") rather than a
global switch: KnownHost::clipboard_sync, toggled from the host card's
overflow menu, default off.

The session binary resolves the stored flag itself in session_params, so a
direct connect and the console's own launches honor the same decision
without every caller having to remember to pass it.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 19:06:06 +02:00
enricobuehlerandClaude Fable 5 51f7ff1b3f feat(client/windows): invert scroll direction
The Apple client's toggle, wired through the shared session presenter:
Settings::invert_scroll -> SessionOpts -> Capture, applied at the single
seam where wheel deltas enter (before accumulation, so the fractional
remainders stay consistent with what was actually sent).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 19:06:06 +02:00
enricobuehlerandClaude Fable 5 7a1809547b fix(client/windows): left-align setting captions, drop the width cap, add auto-wake
Three follow-ups to the parity sweep:

- Captions read centred: a TextBlock defaults to Stretch alignment, so the
  MaxWidth cap left it floating in the middle of the leftover width instead
  of sitting under its control. Pin them (and the footers) Left.
- The settings column kept the shared page() 640px cap, which -- next to the
  NavigationView pane spending the left third -- squeezed the cards into a
  narrow ribbon. Drop the cap here.
- Auto-wake on connect (the Apple client's toggle) is now a setting rather
  than unconditional behavior. Default on, which is what it did before.
  Gating the flow's ENTRY, not its packet sends: with it off a failed dial
  just fails, instead of showing a "Waking..." wait that would never send a
  packet to end itself. The explicit "Wake" host-card menu action is
  deliberately NOT gated -- that is the user asking directly.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 19:06:06 +02:00
enricobuehlerandClaude Fable 5 871ebb31ce feat(clients): render-scale setting on every client — shared punktfunk_core::render_scale
Client-side supersampling/downscaling: the client asks the host to render
and encode at chosen-resolution × scale (the host does no scaling) and the
presenter rescales the decoded frame to the display. >1 supersamples for
sharpness; <1 lightens the host GPU and the link. Default 1.0 = Native, the
prior behavior.

The geometry lives once in punktfunk_core::render_scale (multiply, preserve
aspect ratio, floor to even, clamp to the codec's per-axis ceiling — 4096
for H.264, 8192 otherwise), the Rust twin of the Apple client's
RenderScale.swift, consumed by the native session client, the presenter's
match-window path, the Windows/Linux settings UIs, Decky, and Android
(settings + host connect + unit test).

Implemented and platform-verified by the Apple-client-features session
(Linux+Android+Apple green there); the punktfunk-core wiring
(pub mod render_scale) is restored here after being lost in a working-tree
reconciliation.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-17 17:20:15 +02:00
enricobuehlerandClaude Fable 5 12148243bd feat: PyroWave Phase 3 — pinned rate, all-intra silencing, opt-in UI, notices, docs
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plan §4.6 + Phase 3 productization:

- Pinned bitrate: an Automatic client (bitrate 0) on a PyroWave session
  resolves to the codec's ~1.6 bpp operating point for the mode (≈200
  Mbps at 1080p60) instead of the 20 Mbps H.26x default; explicit rates
  are honored. Mid-stream SetBitrate retargets are refused with the
  pinned rate acked (guards old/foreign clients), and the client-side
  AIMD controller + startup capacity probe stay off for the codec — no
  rate descent into wavelet mush, no climb probe whose VBV reasoning
  doesn't apply to hard per-frame CBR. Unit-tested.

- All-intra silencing: the data plane drops drained keyframe/RFI
  requests on PyroWave sessions (the next frame IS the recovery), so
  the forced-IDR cooldown, RFI attempt, and storm coalescing never run.

- Opt-in UI: 'PyroWave (wired LAN)' joins the console's Video-codec
  cycler; trust::Settings maps it to CODEC_PYROWAVE. Safe everywhere by
  the negotiation contract — an un-advertised preference falls back
  through the ladder.

- FEC: decision recorded — adaptive FEC (10% start, loss-report driven)
  stays as-is for the MVP opaque-AU mode; the FEC≈0 policy belongs to
  the Phase-4 datagram-aligned mode.

- THIRD-PARTY-NOTICES: the generator now lists third-party trees
  vendored inside first-party crates (pyrowave, Granite subset, volk,
  Vulkan-Headers) with their full license texts; file regenerated.

- docs-site: 'PyroWave (wired-LAN codec)' page — what it is, the
  bandwidth table, how to enable it, current limits.

Validated on .21: 309 host + 148 core + 26 client tests green,
console-ui clean, both feature configs.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-15 09:45:49 +02:00
enricobuehlerandClaude Opus 4.8 f88d0ae4dc feat(touch): cross-client touch-input modes on Linux + Windows
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Bring the SDL presenter (Linux/Deck + Windows) to parity with the Android and
Apple clients: a persisted TouchMode selects how a touchscreen drives the host —

  * Trackpad (default): relative cursor with pointer ballistics + the shared
    gesture vocabulary (tap = left click, two-finger tap = right click,
    two-finger drag = scroll, tap-then-drag = held left drag, three-finger tap =
    cycle the stats overlay).
  * Direct pointer: the cursor jumps to and follows the finger (absolute).
  * Touch passthrough: every finger is a real host touchscreen contact.

Previously the presenter had no finger handling, so SDL synthesized mouse events
from touch and — under the stream's relative-mouse lock — walked the host cursor
into the corner (the reported Deck bug). SDL touch->mouse synthesis is now off;
DIRECT touchscreens route through a new incremental gesture engine (a port of
Android TouchInput.kt / Apple TouchMouse.swift), while INDIRECT trackpads keep
driving the mouse. Fingers map through the aspect-fit letterbox onto the content
rect.

TouchMode lives in the shared trust::Settings (default trackpad, so passthrough
is opt-in like the other clients); the GTK and WinUI settings screens both gained
a "Touch input" picker. Gesture engine, letterbox mapping, and settings
back-compat are unit-tested (28 tests green); clippy -D warnings clean; full
Linux client + session build verified on-host.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-13 23:51:29 +02:00
enricobuehlerandClaude Fable 5 d0d9bd5bfb feat(resize): mid-stream resolution resize — host hardening (H1–H5) + session-binary Match window (C1)
design/midstream-resolution-resize.md Phase 0 + Phase 1.

Host (Phase 0):
- H1/H5: per-backend Reconfigure acceptance gate — reject for gamescope
  (all sub-modes; a resize must never relaunch the title) and under the
  per-client-mode identity policy (a resize would resolve a different
  display slot). Synthetic stays reconfigurable on purpose (the protocol
  test source; the C-ABI roundtrip test rides it). Plus a 500 ms host-side
  min-interval backstop against Reconfigure spam.
- H2: rollback/corrective ack — the data plane reports the mode actually
  live after a failed rebuild (or a refresh the backend capped) through a
  reconfig_result channel; the control task forwards it as a second
  accepted Reconfigured so the client's mode slot self-corrects.
- H3: live stats mode — SendStats reads a packed AtomicU64 (w|h|hz)
  updated on every switch instead of latching the session-start mode.
- H4: registry::retire(gen) — a mode-switch rebuild force-releases the
  superseded Linux display, so linger/forever keep-alive policies don't
  accumulate kept monitors at stale modes. VirtualOutput carries pool_gen
  (fresh AND reused) and the Pipeline tuple threads it to the switch arm.

Client (Phase 1, default off):
- Settings: match_window policy + persisted last window size; exposed as
  the Resolution tri-state (Native / Match window / explicit) in the Skia
  console, GTK and WinUI settings pages.
- pf-presenter: window opens at the persisted size; Hello mode follows the
  window's pixel size; D2 trigger discipline (400 ms debounce to
  resize-end, ≥1 s spacing, even-floor + ≥320×200 clamp, each distinct
  size requested at most once — covers rejects and host rollbacks) as a
  pure, unit-tested decision; HUD line + title refresh on a switch.
- Session binary wires both --connect and --browse paths; the WinUI shell
  is session-always, so this covers Windows too.

Verified: workspace tests + clippy green; synthetic --remode end-to-end;
live session-binary run (window at persisted 1000×600 → Hello 1000×600@60).
On-glass per-backend matrix (Mutter/KWin/gamescope-reject, keep-alive
accumulation) still pending before any default flip.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 12:53:47 +02:00
enricobuehlerandClaude Opus 4.8 e707a962b6 fix(security): anti-replay, 0600 client key, open redirect, supply-chain
Address findings from a repo security review:

- core: add a sliding-window anti-replay filter over the AEAD-authenticated
  sequence in Session (poll_input/poll_frame), closing the input-replay gap the
  data plane previously left to the LAN/VPN trust assumption. 4096-deep window,
  unit-tested; the encrypted loopback suite confirms no false drops.
- clients: write the mTLS client private key 0600 and lock the config dir 0700
  on Unix (it was world-readable at the umask default), re-locking existing
  stores on load. pf-client-core::trust plus the probe's own identity writer.
  Windows keeps the %APPDATA% ACL; Android/Apple already wrap the key.
- web: fix a post-login open redirect — resolve `next` via URL and require it to
  stay same-origin, rejecting `/\evil.com` and tab/encoding variants the old
  `!startsWith("//")` guard missed. Also fixes the dead safeNextPath helper.
- ci: SHA-256-pin the BtbN FFmpeg DLLs bundled into the signed Windows installer
  (were fetched from the rolling `latest` tag unverified); fails closed on a
  re-roll, matching the VB-CABLE gate.
- ci: fail-open fork-guard on the Windows/Apple host-mode PR build jobs that
  share runner labels with the signing jobs. Definitive fix stays server-side
  (Gitea outside-collaborator approval / isolated PR runners) — see the notes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-10 10:04:23 +02:00
enricobuehlerandClaude Fable 5 38b9f310e2 feat(clients): tiered stats overlay everywhere — Compact/Normal/Detailed on every platform
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Ship the Android client's 3-tier stats-overlay semantics in every other client
(design/stats-unification.md vocabulary): Off → Compact (one line: fps · e2e ms ·
Mb/s + loss flag) → Normal (mode + e2e p50/p95 + loss counters) → Detailed
(decoder path, HDR tag, per-stage latency equation).

Apple: new StatsVerbosity in PunktfunkKit persisted under punktfunk.statsVerbosity
(migrates the legacy hudEnabled bool: explicit off → Off, else Normal). The
existing three-finger tap (TouchMouse, trackpad/pointer modes only — touch
passthrough untouched) now cycles the tiers instead of toggling, matching
Android; ⌃⌥⇧S (menu + captured-state monitor) cycles the same ladder. Tiered
StreamHUDView (compact glass pill / headline HUD / full equation HUD); the iOS
corner disconnect also shows in Compact (the pill carries no button). Tier
pickers on iOS, macOS, tvOS and the gamepad settings UI.

Session stack (Linux + Windows + Deck share punktfunk-session): shared
pf_client_core::trust::StatsVerbosity; Settings grows stats_verbosity with a
show_stats fallback, and writes keep the legacy bool in sync so pre-tier
binaries reading the same JSON agree on off vs on. Ctrl+Alt+Shift+S cycles the
tier and re-renders the OSD immediately from the last stats window; the stdout
stats: line always carries the full Detailed text so the shell status card and
scripts keep a stable shape; --stats bumps Off → Normal without demoting a
richer tier. Tier pickers in the GTK dialog, the WinUI settings page and the
console-UI settings row; shortcut copy updated (GTK shortcuts window, Windows
help, session README). The Windows legacy builtin path keeps its bool HUD.

Tests: tier migration/round-trip in trust.rs, tiered stats_text output in
pf-presenter.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-10 01:42:46 +02:00
enricobuehlerandClaude Fable 5 180ac3aa61 feat(console): full gamepad shell — hosts, PIN pairing, settings, OSK, screen transitions
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The Skia console UI grows from the single library coverflow into a complete
couch shell (Apple gamepad-UI parity), so a Deck/gamescope session is
self-sufficient end to end:

- Home: host carousel (saved + discovered + Add Host tile) with presence
  pips, paired locks, wake & connect; A/Y/X/B per the Apple launcher.
- In-console SPAKE2 PIN pairing (previously needed the Decky plugin or a
  desktop), add-host with a controller keyboard, couch settings over the
  shared Settings store, wake-on-LAN overlay with retry, cancelable dials.
- Shell chrome: screen stack with push/pop entrance/exit choreography
  (slide + fade + recede; aurora↔form backdrop crossfade), per-pad button
  glyphs (PS shapes vs ABXY, keycaps with no pad), menu haptics, toasts,
  embedded Geist typography, in-stream start banner.
- Steam Deck: our OSK never draws — fields start SDL text input (the new
  Overlay::text_input_active hook) and Steam's keyboard types; a hint chip
  points at STEAM + X. Other Linux gets the full gamepad keyboard tray.
- punktfunk-session: bare --browse opens Home; --browse host opens that
  host's library with Home behind it (Decky launches keep working, B now
  pops instead of quitting). Service threads run discovery, 10 s probes,
  pairing, wake loops, fetches, and known-hosts persistence.
- Presenter contract: Launch actions carry the host, CancelConnect never
  engages a won race, pad kind/list ride FrameCtx, menu events flow while
  dialing so B can cancel.

Every screen renders to PNG on CPU raster for review
(PF_CONSOLE_DUMP=<dir> cargo test -p pf-console-ui -- --ignored dump).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-09 08:46:49 +02:00
enricobuehlerandClaude Fable 5 f4850625bd feat(clients/windows): game library page + session window placement + help polish
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UX polish batch 2 (plan workstreams D/E5/E6):

- D: a mouse/keyboard game library page over pf-client-core::library (the GTK
  ui_library.rs counterpart): responsive 2-6 column poster grid (2:3 portraits,
  store badge, monogram placeholder while art streams in), loading / error+retry
  / empty / grid states, tap-to-play via a normal spawn carrying --launch id.
  Poster bytes land in a disk cache (%LOCALAPPDATA%\punktfunk\art-cache) so the
  Image widget loads file:/// URIs (reactor has no from-bytes source) and
  revisits render instantly. Reached from a paired host's "Browse library..."
  menu item behind the new "Show game library (experimental)" Settings toggle
  (the shared library_enabled field, Apple/GTK parity). A Shared::library_gen
  generation guard keeps a superseded fetch from publishing (speed-test pattern).

- E5: the session window opens at the shell's own top-left (--window-pos, new
  SessionOpts::window_pos) instead of centered on the primary display - streams
  land on the monitor the shell is on, and the hide/restore handoff reads as one
  window changing content. Fullscreen follows that display.

- E6: the Help shortcuts add Alt+Enter and the controller escape chord
  (LB+RB+Start+Back, hold to disconnect).

Also: rustfmt normalization of the merged probe helper.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-09 00:43:46 +02:00
enricobuehler f5f186b691 Merge remote-tracking branch 'origin/main'
# Conflicts:
#	clients/windows/src/app/mod.rs
2026-07-09 00:28:38 +02:00
enricobuehlerandClaude Fable 5 573b2af334 feat(clients/windows): single-window handoff, shared settings store, console-UI surfacing
UX polish batch 1 (clients/windows/ui-polish-plan.md, workstreams W0/A1/B/C/E):

- W0: the shell's duplicated trust/settings structs are gone — src/trust.rs
  re-exports pf-client-core's, so the shell and the spawned session binary share
  ONE Settings shape over client-windows-settings.json. Fixes real bugs: the
  shell's saves no longer drop session-side fields; the stats-overlay toggle
  (show_hud -> show_stats, serde alias migrates old files) and the forwarded-
  controller pick now actually reach the spawned session. The "Streaming engine"
  Settings combo is gone (PUNKTFUNK_BUILTIN_STREAM=1 stays as the dev A/B knob).

- Forwarded-controller pinning by stable key (vid:pid:name, pf-client-core's
  format): persisted as forward_pad, applied by the shell's own service at
  startup AND by the session binary in session_params (both OSes — the session
  never applied the pin before).

- A1 single window: the shell hides itself when the spawned session window
  presents its first frame ({"ready":true}) and restores + foregrounds on the
  child's exit — exactly one visible Punktfunk window at any time. Restore runs
  before the request-access cancel gate so a Ready/Cancel race can't strand the
  shell hidden.

- C console UI: punktfunk-session --browse gains --json-status (ready when the
  library window presents; error line on a failed start), and the shell
  surfaces it — "Open console UI" on paired hosts' menus, plus a controller-
  detected hint card targeting the most recent paired host (x64 only; aarch64
  ships no skia ui feature). Browse spawns hide/restore the shell like streams.

- B responsive: minimum window size (420x360); the hosts header collapses to
  icon-only buttons below 700 px; the session status card shrinks instead of
  clipping (max_width); busy pages, help actions, licenses and long labels wrap.

- E polish: session exe gets the app icon (winresource + WM_SETICON via the new
  pf-presenter win32.rs); both exes share an explicit AppUserModelID on
  unpackaged runs (packaged identity wins) so the windows group as one taskbar
  app across the visibility handoff; "Start streams fullscreen" toggle passes
  --fullscreen (GTK parity); connects stamp KnownHost::last_used; the connect
  target is stashed for every route so "Connecting to X" always names the host.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-09 00:25:02 +02:00
enricobuehlerandClaude Opus 4.8 01428ced58 feat(clients): reachability-probed presence + shareable Decky host management
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Add a bounded, trust-agnostic, mDNS-INDEPENDENT QUIC reachability probe and
surface it everywhere saved-host presence is shown, so a host reached over a
routed network (Tailscale/VPN/multicast-filtering LAN) no longer reads Offline
just because it isn't advertising — the display-side companion to the 0.8.4
dial-first connect fix.

Core:
- punktfunk-core: NativeClient::probe (bounded handshake; a real host answers even
  on trust mismatch, a wrong/closed/TCP-only port fails) + punktfunk_probe C ABI
  (ABI_VERSION 3->4, header regenerated).
- pf-client-core: trust::probe_reachable_many (parallel per-host sweep).

Presence pips now read `advertising OR probed-reachable`, refreshed by a ~10-12s
background sweep off the UI thread:
- Linux (relm4): ui_hosts probed map + HostsMsg::Probed sweep.
- Windows (windows-reactor): pf-probe worker -> HostsProps.probed.
- Apple (SwiftUI): HostStore.refreshReachability, driven by HomeView + GamepadHomeView .task.
- Android (Compose): nativeProbe JNI seam + periodic LaunchedEffect (LNP-gated),
  online dot added to the touch HostCard.
- Decky already probes via --list-hosts --probe.

Decky client: make the flatpak client's known-hosts store the single source of
truth via new headless CLI modes (--list-hosts / --add-host / --set-host /
--forget-host / --reset / --reachable). The plugin can now add a host by address,
edit/forget hosts, reset all state (keeping the client identity), and shows
probe-backed online pips — state is shared with the desktop client, not duplicated.

Also lands in-progress Android 17 LNP groundwork (targetSdk 37 +
ACCESS_LOCAL_NETWORK runtime flow, permission dialogs) that was already present in
the working tree.

Verified: cargo check + clippy clean (punktfunk-core, pf-client-core, linux,
android native); android assembleDebug BUILD SUCCESSFUL; decky typecheck + rollup
build clean; probe true/false-positive behaviour exercised against a live host.
Windows and Apple were not compiled locally (no MSVC/Xcode on this Linux box).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-09 00:14:56 +02:00
enricobuehlerandClaude Fable 5 d6647b9183 feat(clients/windows): port the Vulkan session client to Windows — session-always
The punktfunk-session Vulkan client (clients/linux-session, now clients/session)
builds and runs on Windows; the WinUI shell spawns it for every stream. Verified
live: 10-bit HEVC via Vulkan Video on both AMD (iGPU) and NVIDIA, 5120x1440 at
130 fps / 8 ms end-to-end on the RTX 4090.

- pf-ffvk: Windows bindgen branch (FFMPEG_DIR + PF_FFVK_VULKAN_INCLUDE, no
  pkg-config); provisioning fetches Vulkan-Headers (pinned v1.4.309).
- pf-client-core: builds on Windows — WASAPI audio (audio_wasapi.rs, cfg-swapped
  via #[path], same surface as the PipeWire twin), VAAPI/dmabuf gated inline
  (chain = vulkan -> software), trust reads the WinUI shell's %APPDATA% stores
  (parity tests pin both serialized shapes), Settings gains adapter/hdr_enabled
  (serde-defaulted; Linux stores unaffected).
- pf-presenter: builds on Windows — dmabuf module Linux-gated; SDL keyboard grab
  while captured (Alt+Tab/Win reach the host); pick_device ranks discrete over
  integrated (device 0 was the iGPU on hybrid boxes — the silent footgun) and
  honors PUNKTFUNK_VK_ADAPTER (the Settings GPU pick, exported by the session).
- run loop: block in one SDL wait woken by input AND decoded frames (a per-
  session forwarder pushes a FrameWake user event) instead of a 1 ms poll —
  measured 111%% -> 5%% of a core (NVIDIA), 86%% -> 3.5%% (AMD), stats unchanged.
  The pump's decode-fence wait became once-per-window sampling (no per-frame
  pipeline stall; the stat now shows true backlog).
- pf-console-ui: builds on Windows (skia-safe msvc prebuilts); font lookup falls
  through fontconfig aliases to concrete DirectWrite families (Consolas/Segoe UI)
  — browse/coverflow works, verified against a live host.
- WinUI shell: session-always via new src/spawn.rs (GTK spawn.rs port —
  CREATE_NO_WINDOW, stdout contract, kill handle); the Stream screen is a status
  card (chips + stage lines from the child's stats). The legacy in-process
  D3D11VA path stays behind Settings "Streaming engine" / PUNKTFUNK_BUILTIN_
  STREAM=1 as the A/B baseline until Phase 8 deletes it. SessionParams.video_caps
  makes the HDR toggle real.
- clients/linux-session renamed to clients/session (builds for both OSes).
- CI/MSIX: both workflows build/test both bins with widened path filters; the
  MSIX ships punktfunk-session.exe. ARM64 session builds --no-default-features
  (rust-skia has no aarch64-pc-windows-msvc prebuilts; flip when it does).

A/B on this box (5120x1440 HEVC vs home-worker-5): NVIDIA Vulkan 130 fps / 8 ms
e2e / 1.6 ms decode — clearly better than the built-in path. The AMD iGPU VCN
saturates at ~52 fps where its own D3D11VA does ~70 — Adrenalin Vulkan decode is
slower on APU silicon; discrete RDNA validation gates Phase 8.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-08 23:21:36 +02:00
enricobuehlerandClaude Fable 5 6cb97959a2 docs(video): three-backend reality + log software-by-preference
The silent settings-driven software path cost a debugging round on the
first Vulkan Video glass test (stale decoder=software from the VAAPI-
broken-on-NVIDIA era) — now it says so. Module docs updated: auto is
vulkan → vaapi → software.

Validated on glass (RTX 5070 Ti, HEVC 4K@144): decode 11 ms → 0.1 ms,
e2e p50 ~115 ms → 8.6 ms (the old number was software-decode queueing,
not clock skew), 144 fps locked, 2686 frames, zero errors.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-07 23:14:08 +02:00
enricobuehlerandClaude Fable 5 0ab97b597c refactor(client): extract UI-agnostic plumbing into pf-client-core (phase 0)
Session pump, FFmpeg decode, PipeWire audio, SDL3 gamepads, keymap, trust
store, mDNS discovery, library client and Wake-on-LAN move verbatim from
clients/linux into crates/pf-client-core, shared with the upcoming Vulkan
session binary (punktfunk-planning: linux-client-rearchitecture.md).
The GTK client re-exports them at the crate root so every existing
crate::-path keeps resolving; its manifest drops the moved-only deps.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-07 23:13:16 +02:00