6154cb1949ccdd03ae9fb590d45ac67e3a5f408d
67
Commits
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4370c467ca |
Discover this machine's providers instead of asserting them
A fresh install wrote a `claude-cli` provider into the local setup unconditionally. Nothing looked for `claude`; the list was hardcoded in `Config::seed`, so on any machine without it -- which is every machine but the dev VM -- the phone was offered a provider that cannot spawn, stated with exactly the confidence of one that had been checked. Discovery already existed and was already right: `setups::discover` probes with `command -v` over the transport, includes echo for the local one because it runs in-process, and records the resolved path rather than the bare name. Only the local setup skipped it, which is the one place the answer felt obvious enough not to ask. So `seed` now takes the providers it is given, and seeding asks this machine the same question it asks any other. It moved out of `SessionManager::new` into an awaited step in main, because asking is I/O and a constructor that quietly spawns a subprocess surprises every caller. A discovery that fails seeds `echo` alone and says so, since echo is true wherever this server runs -- falling back to the hardcoded list would be the same bug with an extra step. The test that covered this agreed with the bug, because both were written from the same assumption: it asserted the seed contains `claude-cli`. It now asserts the opposite -- that the seed invents nothing -- and the session tests seed echo explicitly rather than relying on a constructor that would make them pass or fail on whether `claude` happens to be installed on whoever runs them. Verified by running a server on a PATH holding only `sh`: it seeds `echo` alone. With claude and llama-server present it finds both. 34 tests. |
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aa05ff9336 |
Take the link from wg-app-link instead of keeping a second copy
The five modules underneath this backend that were never about AI sessions -- the pinned CA and leaf, QR enrollment and the bearer token, wg0 binding and the certificate's SANs, owner-only files, and the RON house rules -- were written twice, once here and once in dev-updater, and had drifted. They now come from the submodule, as a path dependency so both projects stay locked to one commit. What stayed is what makes this project itself: the routes, the drivers, the config schema, and the auth middleware, which is generic over this server's state. Sharing a transport is worth doing; sharing an API would mean inventing a vocabulary neither project wants. Four dependencies go with the code -- rcgen, qrcode, subtle and if-addrs are no longer named here at all -- and the three that remain are now described by what still uses them rather than by what used to. Verified by running it, not only by building: a fresh server generates its CA, prints an `aiapp://enroll` QR with the scheme now passed as a parameter, covers 127.0.0.1, 10.0.2.2 and wg0's 10.66.0.1 in the leaf, answers an enrolled token and returns 401 without one, and writes config.ron in the house rules with every file owner-only. 36 tests pass, clippy is silent, rustfmt is clean. |
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6187958de3 |
Let a llama session actually be started from the phone
The driver worked and the models could be downloaded, but the spawn screen had no idea llama.cpp existed: the model field and every extra setting were gated behind `isClaude`, so a llama provider offered nothing, `model` arrived null, and the driver refused with "a llama.cpp session needs a model". The feature was reachable only by curl, which is not what was asked for. A llama provider now gets the models this backend has downloaded, as a picker rather than free text -- there is nothing sensible to type, and a name that is not on disk is a session that cannot start. Context size and temperature are there too, blank meaning llama.cpp's own default rather than a zero. Spawn stays disabled until a model is chosen, because without one the button could only fail. **Two bugs that only appeared by pressing the button**, both mine, both from changing the server without re-driving the app: - The app sent the setup's *label* where the server had started resolving by *id*. The failure was almost self-diagnosing -- `no setup named "this machine" -- configured: this machine` -- and that message now says "no setup with id" and lists ids, since listing labels was what made it read as a contradiction. - The session header showed `on local`, the id, because the app read `setup` where the server had begun sending both `setup` (id) and `setupName` (label). The app now carries only the label: nothing in it addresses a setup, and holding both is what let it show the wrong one. Verified by doing it: rediscovered the local machine from the phone so `local-llama` appeared, spawned a session on Qwen3-0.6B-Q8_0 with a 4096 context, sent "Reply with exactly one word: ready", and it replied "ready" with 125 tokens counted. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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19e3531c5d |
Add, rename and remove machines from the phone -- without letting it name commands
The gap PLAN.md recorded: setups were readable but only hand-editable, so
adding a machine meant a shell on the backend.
**The design decision, made with Bryan, is that the phone never composes a
command.** A setup carries providers, and a provider carries something to
run -- so a route that accepted a command from the request body would make
the enrolled token arbitrary code execution on every machine a setup names,
and the transport already reaches those over ssh. Instead the phone sends
connection details, and the server asks the machine itself what it has:
one `command -v` round trip per setup, matched against a table of the
drivers this server knows. The phone's authority is "add this machine",
never "run this".
Worth recording that this was a narrower change than it first appeared: the
token could already run anything on the backend, because the spawn screen
offers `bypassPermissions` with a free-text working directory. Discovery
does not close that door. What it does is keep the *list of what can run*
out of the phone's reach, and make adding a machine a thing you cannot get
wrong by typing.
It is also simply better to use. Nobody wants to type an absolute path on a
phone keyboard, and a machine whose binaries have moved answers correctly
on the next probe. The cost is that a program somewhere unusual is
invisible -- `command -v` follows PATH under a non-interactive ssh session,
which is not the PATH a person sees when they log in. That is the trade,
and the escape hatch is editing config.ron on the backend, which is exactly
the authority the phone is not being given.
Setups now have an **id separate from their label**, so renaming a machine
does not orphan the sessions that name it; a session stores the id, and
every row resolves the current label when it is built. `POST /setups/probe`
tries a machine without saving anything, so a wrong address or an
unauthorised key is caught while the form that caused it is still on
screen. Deleting is refused while sessions still run there, and says which
ones rather than cascading.
Every mutation goes through one `update`: clone, apply, save, then commit,
so a failed write leaves the previous state intact and reports why.
Verified against a running server, including a real ssh machine (this VM,
via a throwaway loopback key since removed): probing here found echo and
claude-cli; probing over ssh found claude-cli and correctly no echo, which
runs in-process and exists only where this server does; an unreachable
machine came back with ssh's own words ("connect to host ... Connection
timed out"); adding derived the id `loopback-vm` from "loopback vm";
renaming kept the id; deleting was refused while a session used it, naming
it, and succeeded once nothing did.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw
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ecac404fd4 |
A setup is a machine, and it carries what that machine can run
Providers and hosts were two independent lists, and a session named one of each. They were never independent: a provider only exists on a machine where that program is installed, so the spawn screen offered the whole cross-product, including "the Claude CLI on the box that hasn't got it". The picker could not know, because nothing in the model said. Now a setup is a machine -- optional ssh, plus the providers it has -- and spawning is two choices in order: pick a setup, then one of its providers. The impossible pairs stop being expressible rather than being validated against. Provider names are unique within a setup and only within one, so two machines can each have a `claude-cli`, which was previously either a name collision or two entries called things like "claude" and "claude on the vm". It also settles the "Run on" problem properly. That control was offered for every provider but honoured only by the Claude driver -- an echo session sent to a host ran locally and said otherwise. There is no such control now: the machine is chosen first, and echo is a provider of the setup with no ssh, where it belongs, since it runs in-process and has no transport to cross. The built-in echo provider is gone as a concept. It used to be conjured at read time and never written to the file, which meant a provider nobody could see or edit; it is now seeded into the config on first run alongside claude-cli. What the file says is what there is, and deleting it is a choice rather than a state to be repaired. A config in the old shape is refused with instructions rather than loaded. `Config` defaults unknown fields away, so `providers:` and `hosts:` would otherwise have vanished into an empty config that was then seeded over -- a migration nobody would notice until their setups were gone. Verified against a running server and on the emulator: a fresh install seeds "this machine" with echo and claude-cli and the file reads cleanly; a two-setup config lists both with their own providers; spawning on a setup works and the session row names it; asking for a provider a setup lacks says which it offers, and an unknown setup says which exist. On the phone, selecting "dev vm" narrows the provider chips to that machine's one and shows its address. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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3deeffd1e7 |
Run GGUF models through llama-server, and stop orphaning them
The second half of the llama.cpp work: a session can now name a downloaded model and talk to it. `llama-server` is spawned through the same transport as any other driver, polled until the model is loaded, then driven over its OpenAI-compatible streaming endpoint and translated into the same events the Claude driver emits -- so the transcript, the SSE stream and the phone need to know nothing new. **The conversation is rebuilt from the transcript, not held in the driver.** llama-server is stateless between requests, so the whole history goes with every one, and the obvious place to keep it is a Vec in the driver. That fails the requirement: memory in a driver is invisible to a second device and gone on restart, and this app is meant to work across devices. Reading it back also means the model is prompted with exactly what the phone was shown -- including a reply that was interrupted half way, which is in the transcript because the deltas were already emitted. That leaves the Claude driver as the odd one out rather than this one: the CLI's memory of a conversation is a cache in front of the same transcript, not a second truth. Said so at the top of llama.rs, because it is the sort of inconsistency that gets "fixed" in the wrong direction. Session settings arrive as a driver-interpreted `params` map rather than new typed fields, so the shared schema does not grow one dialect's vocabulary. Context size, gpu layers and threads become server flags; temperature and the rest ride on each request, so changing them need not reload a model. **Also fixes an orphan this feature would have created.** Drivers set kill_on_drop, which covers a session being deleted -- but nothing drops on the way out of a SIGTERM, so signalling the server left its children running. For the Claude CLI that is untidy; for a llama-server holding a model it is gigabytes belonging to nobody. The server now stops its sessions on SIGTERM and SIGINT. Found by killing a test server and noticing two 600 MB processes still resident. Remote llama sessions are refused rather than half-working: the model is reached over HTTP, and forwarding that port to an ssh host is the "reach this port" operation the transport does not have yet. Verified end to end against a real model: downloaded Qwen3-0.6B Q8_0 through the app's own download route, spawned a session on it, and held a two-turn conversation -- "my favourite colour is teal" then "what is my favourite colour?", answered "teal", which is the transcript replay doing its job. Token counts arrive. An earlier attempt with the IQ2_XXS quant produced fluent nonsense, which turned out to be the quantisation rather than the pipeline: llama-cli produces the same from that file directly. Four unit tests cover the fold and the path guard. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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4cdcbd204a |
Put the transport above the drivers instead of inside one
ClaudeDriver::spawn called ssh::command itself, so a translator whose job is a wire format also knew how sessions reach other machines, and every future driver would have had to remember the same. It now emits a `Launch` -- program, arguments, working directory -- and hands it to a `Transport` the manager chose from the session's host. This is the inversion Bryan asked for, and it pays for itself immediately in a place I had reported as a UI bug: "Run on" is offered for every provider but only the Claude driver honoured it, so choosing a host for an echo session silently ran it locally. With the transport above the driver that cannot be written -- EchoDriver builds no Launch, so there is nothing to wrap and nothing to misreport. The picker still needs to stop offering it, but the code no longer lies underneath. crate::ssh keeps the quoting, the forced options and the remote script, with its tests; transport.rs only decides which of the two it is. The two failure messages move with it, since they are transport-specific -- a missing ssh client here is a different thing to check than a program missing from a remote PATH. Noted in transport.rs rather than built, because nothing needs it yet: a remote llama-server is spawned as a process but spoken to over HTTP, so a transport eventually needs "reach this port" as well as "run this". Verified: cargo test (35), clippy, fmt. Nothing outside transport.rs mentions ssh now. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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4e760a4a72 |
Separate the Claude dialect from the Claude process
claude.rs held two things that change for unrelated reasons. One spawns the CLI, resumes it with --resume after a crash, writes lines to it and shuts it down; the other turns a stream-json line into common events. A CLI wire format change touches only the second, a change to how sessions are launched only the first, and at 830 lines a reader had to work out which half they were in. So the translator, the pending-request bookkeeping and the answer outcome move to session/claude/translate.rs, and all twelve tests go with them -- every one was already a translation test, replaying recorded lines with no process involved, which is the clearest evidence the seam was already there. 366 lines and 628, from 830 plus tests in one file. Pure code motion: no behaviour, no renames, and the only edits are the visibility the split makes necessary. The probing record stays in the driver file, since it is the provenance for both halves -- the flags are that file's, the message catalogue is what translate implements. Verified: 35 tests pass (the same 35), clippy clean, fmt clean, and cargo doc resolves with broken_intra_doc_links denied. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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c12ab7f098 |
Take rustfmt's defaults
The code was hand-formatted -- close to rustfmt's output but not it, mostly in keeping chains and call arguments on one line where the formatter would break them. That is a per-line decision every future change has to make again, and reproducing it would mean a config whose only job is to preserve how the code already looks. So this is `cargo fmt` at its defaults, with no rustfmt.toml, which is where the sibling dev-updater checkout already sits: it is clean at the defaults today, so the two repos now agree on layout without either of them configuring it. Formatting only -- no behaviour, no renames, nothing reordered. Verified after: cargo test (35 pass), cargo clippy --all-targets clean, cargo fmt --check clean. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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19de699bfa |
Follow dev-updater's own config to RON
The same move, for the same reason: this file is written and read by hand, and JSON has no comments to say why a host is configured the way it is. Both house rules come across with it, in config.rs's `format` module and nowhere else -- a file is the *body* of the config, so no outer parentheses and nothing indented for them, and `Some` is implicit, which is what makes `skip_serializing_if` on every optional field load-bearing rather than tidiness. The switch is outright: there is no reader for the old format. That is invisible everywhere except here, because this file holds the enrolled token hashes -- starting empty leaves the phone unable to talk to the server and looks, from the phone, like the config having been lost. So a config.json left beside the new file is named in the log and left alone, rather than read or deleted. One wart, documented at DriverKind: the kebab-case spelling is the string the phone compares against, so it stays, and the file pays for it with `kind: r#claude-cli` -- a hyphen is not a RON identifier. Renaming the variant would change what an already-installed build is talking to. Verified: cargo test, cargo clippy --all-targets, and a real start against a scratch state directory -- a hand-typed config with comments and a bare `port: 2222` loads, and what the server writes back sits at column 0 with no Some(...) in it. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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99bcc341c1 |
Cleanup pass: one home for duplicated logic, stale comments out
Nothing behavioral except two status codes; mostly removing places where the same rule was written down more than once and could drift. - server/src/private.rs: the owner-only create/write helpers, which config.rs, certs.rs, and the session dirs each had their own copy of (certs.rs even duplicated the explanatory comment). One module owns the modes now, so the "nothing this server writes is readable by anyone else" property is checkable in one place. - server/src/media.rs: the image media-type/extension table, which the four places that have to agree on it each spelled out separately -- storing an upload, serving it back, building a content block, saving a produced image. The differing *defaults* stay at the call sites with the reasoning, since they genuinely differ by direction. - routes.rs: a missing file was a 400 and an unreadable one a 400 with a hand-rolled log line; they are now 404 and Internal respectively. UnknownSession became NotFound, since it was the only 404-with-message. - main.rs: xdg_dir takes the variable's value instead of reading the environment, which drops the unsafe set_var from its test and lets the test actually assert the relative-path rule. - echo.rs had its own 4-byte hex generator beside session::random_hex. - claude.rs: the two impl Translator blocks were one type's methods. - Stale comments: phase-2 markers on shipped work, a permission-mode list that had drifted from the CLI's, "dev-updater" as the leaf certificate's fallback common name, a half-written sentence in build-apk.sh. - App: the JSONArray walk written out in four fetchers, the four near-identical BackHandlers in AppRoot, and SessionScreen's inline fully-qualified names where the file otherwise imports. - server/wg-test.log was committed by accident; *.log is ignored now, and the gitignore comments describe where state actually lives. - PLAN.md's backend layout gains the new modules and drops hosts.rs for the ssh.rs that was built instead. Verified: 35 server tests, clippy clean, app compiles warning-free, and a scratch server driven over curl -- attachment upload/serve round-trip with both a known and an unknown content type, the new 404s, transcript and session-dir deletion, plus a real claude-cli session answering a prompt. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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56491f84b0 |
Follow the sibling project's rename to dev-updater
It is no longer "local" -- it serves over WireGuard rather than the LAN -- and it is specifically for developing new apps. Renaming the references here at the same time keeps one name to search for across both repos. Also drops the last references to gen-dev-cert.sh, which the in-process certificate generation replaced: the build script and the Gradle task now say to start the server once, and test-wg-tunnel.sh reads the certificates from the XDG directory rather than the repo. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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d2d2832ec8 |
Keep state and keys out of the shared repo
The dev VM is treated as untrusted, and the repo is a read-write virtiofs mount shared with the backend host -- so a CA private key sitting in it is a key that machine can sign with, and a leaf signed by this CA is one the phone's pinned app accepts without question. Pinning against a CA the attacker holds is no pinning at all. So certificates are now generated on the machine that serves them, into $XDG_CONFIG_HOME/ai-app/certs at 0700 with 0600 keys (AI_APP_CERTS overrides), and config.json and session transcripts move to the XDG config and data directories. Transcripts move for a plainer reason than the keys: they are whole conversations, and they were world-readable at 0644. Two smaller things fall out. The host and VM stop sharing one config, which had already put a test token on the production backend. And state stops living where `git clean -xdf` would take the enrollment and every transcript with it. State that predates the move is still read from the repo, with a warning naming where to move it, so an existing install keeps working rather than silently coming up on an empty config -- the precedence is covered by a test, since picking the wrong file would otherwise be silent. Verified: 31 tests, clippy clean; the certificate script writing 0700/0600 into an overridden directory; and the server logging the fallback and serving from it. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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fff1fb49e8 |
Providers and hosts: what runs, and where, as independent choices
A session now names a provider (what: driver kind, command, models) and optionally a host (where: an ssh target). Keeping them independent is what the real setup needs -- the backend runs where the phone can reach it, which isn't where the CLI is installed -- and it means any provider can be sent to any host rather than a machine being baked into one. The first provider is claude-cli, named for the CLI rather than bare "claude", which would suggest the credit-billed API. A fresh config is seeded with it so a new install has something to spawn and a worked example to edit; echo stays a built-in provider needing no config. ssh.rs builds the child process either way: locally, or `ssh -T` with BatchMode and keepalives, every argument single-quoted for the remote shell (a working directory that tries to close the quote and start a command is covered by a test), and `exec` so dropping the connection takes the CLI down instead of orphaning it. App: the spawn screen reads /providers and /hosts instead of hardcoded lists, so config changes need no rebuild. Chip rows are FlowRow, fixing the reported bug where a row of models that didn't fit wrapped *inside* each chip -- one letter of "haiku" per line -- rather than onto a second line. Verified: 29 tests, clippy clean; the same claude-cli provider run once locally and once over ssh, with the remote one visibly in a different environment; an unknown host name refused with the configured list; and the spawn screen on the emulator showing server-driven providers, hosts, and models that wrap. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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f2430671a2 |
Phase 2 complete: images both ways
Inbound: POST /sessions/{id}/attachments stores a picked photo under the
session; message attachmentIds become base64 image blocks in the
stream-json user message (verified live: an uploaded red PNG answered
"Red."). Outbound: image parts in tool results are decoded into the
session's files/ dir and referenced by Image events -- the transcript
stays lean -- and GET /sessions/{id}/files/{ref} serves them (verified
via the Read tool round-tripping the same PNG). The app grows an attach
button (system photo picker, upload-on-pick) and renders Image events
inline with an authenticated pinned fetch. Sent attachments are echoed
into the transcript as Image events so every device shows them.
Attachments and files are addressed under their session (a deviation
from PLAN.md's original bare /attachments -- recorded there) so their
lifecycle is the session directory's: deleting the session is still the
complete path out.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw
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95d389e2b8 |
Phase 2 core: ClaudeDriver over stream-json, permissions and questions on the phone
The second driver behind the same trait: claude -p with stream-json both ways, the hidden --permission-prompt-tool stdio flag (without which no permission ever reaches a client), text deltas streamed from raw API events, tool_use/tool_result mapped to tool events, and can_use_tool control requests surfaced as Question events -- plain permissions as Allow/Deny, AskUserQuestion as one Question per sub-question with the chosen labels sent back in updatedInput.answers keyed by question text (wire shapes pinned by live probes against CLI 2.1.237, recorded in the module doc). The CLI session id is persisted per session dir, so a backend restart respawns with --resume and loses nothing. set_model rides the control protocol and persists through the manager; the spawn screen grows model/cwd/permission-mode fields. Also: the dev CA now carries proper keyUsage/basicConstraints extensions (strict verifiers reject it otherwise) -- regenerated and re-pinned before any real phone has installed the app. Verified: 20 unit tests + clippy clean; scripted end-to-end over the HTTP API (AskUserQuestion round trip, Bash permission allow, streaming, restart with --resume remembering earlier work, delete); and on the emulator, a live haiku session asking Tea-or-coffee and acknowledging the tapped answer. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |
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967fc814ab |
Phase 1 server: TLS + token auth, session registry, EchoDriver, SSE with cursors
The whole pipe behind one Driver trait and a common event model: spawn/list/delete sessions, message + question answering, append-only JSONL transcripts whose sequence numbers are the phone's resume cursor (surviving backend restarts), bearer-token middleware wrapping every route including the fallback, wg0-only binding that fails closed, and first-run token enrollment via a terminal QR. Verified: cargo test (10), clippy clean, and curl end-to-end over pinned TLS -- auth rejection, spawn, streamed SSE replay/resume, /question round trip, restart continuing seq numbers, delete removing everything. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xn8nHw1tw1R6PtiY1eEtw |