feat(code): route trusted VM GitHub App tokens by checkout - #248
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* fix: fail denied input downloads once per batch (LibreChat-AI#177) * fix: preserve retries for transient egress ledger conflicts (LibreChat-AI#179) * fix: distinguish retryable ledger contention from scope denials * fix: preserve error classification through marker discovery and relay * test: exercise classified denials through gateway configuration * fix: honor bounded gateway retry hints during object downloads * perf: reuse authorized input versions and make egress accounting atomic (LibreChat-AI#180) * perf: reuse authorized input versions and make egress accounting atomic * perf: resolve authorized input manifests once per execution * test: preserve fetch signature in revocation fixture * fix: isolate shared-grant failures and prevent ledger replay * 🧹 fix: Evict Stale File-Object Index Entries (LibreChat-AI#182) * fix: evict stale file-object index entries Forget cached locators after successful deletion and missing-object downloads so replacement keys resolve immediately. Reuse exact resolver matching in the delete route to avoid prefix collisions. Fixes LibreChat-AI#181 * fix: keep file-object deletion storage-authoritative * fix: retire superseded upload objects * fix: canonicalize replacement object keys * fix: collapse legacy object-key siblings * fix: recover reads from stale locators * fix: namespace canonical object identities * perf: enable authorized input reuse by default (LibreChat-AI#183) * fix: honor requested input destinations (LibreChat-AI#184) * fix: disambiguate legacy dotted object identities (LibreChat-AI#186) * fix: helm egress deployment getting stuck on install (LibreChat-AI#176) * fix: helm egress deployment getting stuck on install * only wait for redis if the ledger is required * Update helm/codeapi/templates/egress-gateway-deployment.yaml Co-authored-by: Danny Avila <danacordially@gmail.com> --------- Co-authored-by: Danny Avila <danacordially@gmail.com> * feat: Add Trusted VM Command Policy (LibreChat-AI#187) * 🛰️ feat: Add trusted VM command policy * docs: clarify trusted VM socket boundary * fix: Retry Clean Cancelled BYOM Settlements Through Stop Grace (LibreChat-AI#188) A clean atomic workspace mutation rejection was settled with retries cut off at the original execution deadline. When Stop arrived near that deadline, process-tree termination finished after it, so the first settlement attempt was aborted immediately while Code API was still draining the cancellation. The client received ASSIGNMENT_EXPIRED and the durable mutation guard stayed armed. Route clean workspace mutation rejections through the known-clean rejection recovery path: a transient-retrying heartbeat and settlement retries through the rejection acknowledgement grace, floored at the bridge cancellation settlement grace. Worker shutdown still fails closed. Share the grace constant from the protocol module so the bridge and worker stay aligned. Closes LibreChat-AI#173 * fix: Release Unassigned Workspace Slots When Dispatch Cleanup Fails (LibreChat-AI#189) Closes LibreChat-AI#170 * fix: Exit Cleanly When Native Executor Shuts Down Concurrently (LibreChat-AI#191) * fix: Exit Cleanly When Native Executor Shuts Down Concurrently A native BYOM worker under systemd KillMode=control-group receives SIGTERM at the same time as its forked SRT executor. The child ignores IPC once it is shutting down, so the parent's close handshake is left pending until the child exits, which rejects it with 'Native executor is unavailable'. That rejection escaped the CLI finally block and turned an idle administrative stop into exit status 1. Treat the close handshake as best-effort: the executor is terminated in finally regardless, and the active command has already drained, so a lost or stalled reply carries no mutation risk. Also make the child report exit status 0 when its own SRT teardown succeeded. Closes LibreChat-AI#190 * fix: Surface Explicit Executor Cleanup Failures During Close Only a lost, refused, or stalled close handshake is benign at shutdown. A negative close reply from the executor is a real cleanup failure and still rejects so pool shutdown can aggregate it. * fix: authenticate GitHub App Git operations (LibreChat-AI#192) * fix: isolate file deletion rate limits (LibreChat-AI#193) * feat: broker GitHub CLI authentication (LibreChat-AI#194) * feat: Run PTC in Selected BYOM Workspaces (LibreChat-AI#195) * feat: run PTC in selected BYOM workspaces * fix: harden native workspace PTC replay * fix: preserve replay isolation and bridge limits * test: tolerate hosts without filesystem cloning * test: surface copy-on-write clone faults * fix: harden native workspace PTC admission * fix: close native replay effect and finalization boundaries * feat: Report Truncated Output Artifacts (LibreChat-AI#199) * feat: report truncated output artifacts * fix: classify omitted artifacts precisely * fix: preserve artifact scan invariants * fix: bound depth truncation probes * fix: bound capped directory enumeration * fix: constrain truncation probes across the job * fix: stop exhausted artifact probes * fix: cancel selected-workspace PTC across processes (LibreChat-AI#196) * fix: cancel replay jobs across API and worker processes * fix: drain worker cancellation watches promptly * fix: close programmatic cancellation races * fix: preserve cancellation response ordering * fix: close distributed cancellation races * fix: harden cancellation under concurrent load * fix: make cancellation ownership durable through completion * fix: recover durable replay outcomes across lost replies * fix: return atomic cancellation outcomes with aligned retention * fix: commit native results inside the workspace mutation fence * fix: claim programmatic execution before stalled-job redelivery * fix: classify capped artifact probe candidates (LibreChat-AI#206) * feat: Report Deleted Code Session Files (LibreChat-AI#200) * fix: report deleted persisted files * fix: reconcile deletions across code runtimes * fix: preserve protected session inputs * fix: classify reserved runtime paths * fix: preserve trusted jq path for PTC (LibreChat-AI#207) * fix: isolate native PTC readiness and watchdog phases (LibreChat-AI#208) * feat: Declare Named Worker Project Environments (LibreChat-AI#209) * feat: declare named worker project environments * fix: preserve environment trust and negotiated action boundaries * Harden environment loading and executor identity * Protect environment root traversal and exact config bytes * Reject self-controlled environment root aliases * Check filesystem identities at environment trust boundaries * Validate environment containment across Linux mount aliases * Handle stacked mounts conservatively without blocking unrelated paths * fix: Allow Trusted Own-Root Environment Symlinks (LibreChat-AI#212) * fix: Allow Trusted Own-Root Environment Symlinks * fix: Check Alias Parent Ownership by Filesystem Identity * fix: Enforce Parent Ownership Across Every Environment Path * fix: Retain Quarantine After Failed Environment Setup (LibreChat-AI#213) * fix: Retain Quarantine After Failed Environment Setup * test: Run Native Environment Setup Lifecycle in CI * fix: Document and Verify Local Setup Quarantine Recovery * fix: Allow Lambda MicroVM metadata in hardened mode (LibreChat-AI#215) * docs: add self-hosted worker setup runbook (LibreChat-AI#219) * fix: bound memory buffering for streamed file uploads (LibreChat-AI#218) * ci: Automate Auditable Main Releases (LibreChat-AI#216) * fix: decouple repository release versions * ci: automate releases after successful main builds * fix: forward input-file limit into sandbox guests (LibreChat-AI#217) * feat: Inspect Local Coding Projects (LibreChat-AI#221) * feat: add bounded local project inventory * fix: report incomplete Git metadata reads * fix: preserve incomplete discovery and remote identities * fix: finalize discovery budgets and nested remote identities * fix(code): stop project traversal at filesystem budget boundaries * fix: make automatic release tip check read-only (LibreChat-AI#225) * feat: Discover Bounded Repository Instructions for Attached Workspaces (LibreChat-AI#226) * Discover bounded repository instructions for opted-in workspaces * Verify snapshot digests and cross-platform confinement * feat: Register Selected Coding Projects (LibreChat-AI#222) * feat(code): register explicitly selected project roots * fix(code): reject shared Git metadata for selected projects * fix(code): pin selected project identity through executor admission * fix(code): preserve full filesystem identity precision * Check selected project identity before replay staging * Anchor replay copies to the verified working directory * fix: Bind Selected Project Operations to Held Directory Descriptors * test: Cover Selected Project PTC and Load Native Fixtures Before Platform Simulation * fix: Keep Native Root Bindings Worker-Local and Verify Directory Ancestry * fix: Anchor Project Admission and Preserve Search Permissions * fix: Report workspace admission capacity without ambiguous timeout errors (LibreChat-AI#227) * fix: Distinguish workspace admission capacity from execution expiry * test: Preserve execution uncertainty while classifying blocked follow-ups * fix: Classify admission expiry at the enqueue boundary * ci: Fix Release Version Resolution for Untagged and Resumed Runs (LibreChat-AI#233) * ci: Fix Release Version Resolution for Untagged and Resumed Runs The release workflow resolved its version in one inline shell block under `set -euo pipefail`, where two paths could not succeed. Filtering tags through `grep` made a no-match fatal. On the ordinary untagged tip of `main`, `git tag --points-at HEAD | grep -E '^v[0-9]+...'` exits 1, and the step died before reaching its skip handling or `next-release-version.sh`, so a deployable commit could not obtain a release version (LibreChat-AI#228). Selecting stable tags now reads exit 1 as an empty answer while exit 2 and above still fail the release, which also lets the missing-previous-tag case report its own error. The rerun-resume path then rejected the tag it had itself chosen. With a stable tag already pointing at `HEAD` and no release published, the version comes from that tag, and the following existence check failed merely because the ref existed (LibreChat-AI#229). It now compares the tag's commit against the release commit, so only a tag on some other commit is a collision; `Create tag` already tolerates a tag that exists. The block moved into `.github/scripts/resolve-release-version.sh`, beside the `next-release-version.sh` it calls, so `tests/release-version-resolution.sh` can cover every path: automatic, resumed, skipped, dispatched, pushed-tag, and the runs that must be refused, each against a throwaway repository with a stubbed `gh`. * fix: harden release resolver execution --------- Co-authored-by: Lia <lia@librechat.ai> Co-authored-by: Danny Avila <danny@librechat.ai> * feat: Route GitHub App credentials per repository (LibreChat-AI#236) * feat: Route GitHub App credentials per repository * test: Make repository routing assertion deterministic * fix: Harden repository credential routing * fix: Bound shared GitHub credential refreshes * fix: Bind GitHub credentials to admitted workspaces * fix: Authenticate GitHub App bot identity lookup (LibreChat-AI#237) * feat: Advertise Workspace Command Timeout Ceiling (LibreChat-AI#238) * 🌳 feat: Provision Conversation-Scoped Code Worktrees (LibreChat-AI#239) * feat: provision conversation-scoped code worktrees * fix: isolate conversation checkout metadata * docs: clarify isolated conversation checkouts * fix: revalidate conversation checkout sources * fix: preserve synchronous legacy execution startup * fix: harden conversation worktree lifecycle * test: use canonical workspace isolation keys * fix: secure conversation worktree provisioning * fix: preserve isolated workspace lifecycle * fix: harden conversation worktree provisioning * fix: fence worktree setup and credential routing * fix: use kernel-backed provisioning locks * fix: load worktree locking only when provisioned * fix: retain conversation provisioning ownership through recovery * fix: reserve provisioning before launching checkout writers * fix: pin Git provisioning inputs and close instance admission gaps * fix: Close native scratch directory streams (LibreChat-AI#240) * feat(code): route trusted VM GitHub App tokens by checkout (LibreChat-AI#248) * feat(code): route trusted VM GitHub App tokens by checkout * fix(code): resolve checkout credentials within canonical root * fix(code): reject cross-root credential aliases --------- Co-authored-by: Danny Avila <danny@librechat.ai> Co-authored-by: Ignaz "Ian" Kraft <ignaz.k@live.de> Co-authored-by: Danny Avila <danacordially@gmail.com> Co-authored-by: Jackson Riding <99007683+jacksonriding@users.noreply.github.com> Co-authored-by: lia-by-librechat[bot] <328778573+lia-by-librechat[bot]@users.noreply.github.com> Co-authored-by: Lia <lia@librechat.ai> Co-authored-by: busla <3162968+busla@users.noreply.github.com>
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What breaks
A worker admitted to an umbrella workspace binds GitHub App credentials to that workspace's repository at startup. A command inside a nested checkout of another repository still receives the outer repository's token. This blocked Lia from pushing a LibreChat branch while working beneath the agents workspace, even though the App was installed for both repositories.
Behavior after this change
Trusted VM operators can opt in to checkout routing with
LIBRECHAT_CODE_GITHUB_REPOSITORY_ROUTING=checkoutor--github-repository-routing checkout. The worker resolves the current command working directory's local Git origin and requests a token scoped to that repository. Nested repositories and linked Git worktrees are supported. The default remains startup-bound routing; no existing worker changes behavior without opting in.The command working directory must still be inside an admitted root, and the App must be installed on the target repository. Checkout routing requires the trusted-vm command policy and a GitHub App without a fixed installation ID. A command that can change a checkout remote can select any repository in the App installation scope, so the documentation makes that trust tradeoff explicit.
Mechanism
Verification