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DottaandPaperclip ed8fae8dbb fix(workspaces): preserve completed shallow sandbox exports (#18221)
## Thinking Path

> - Paperclip coordinates agent work and preserves its results.
> - Remote execution copies completed workspace changes back to the
host.
> - An agent can fetch a published branch with shallow Git history.
> - A full Git bundle omits the shallow boundary metadata and can fail
host connectivity checks.
> - This pull request carries the boundaries through the full-bundle
fallback and imports through normal Git fetch.
> - Recovery must also recognize completed native work on a reusable
lease without treating it as ordinary executor reuse.
> - Completed work can be saved without another provider turn, while
existing host history remains connected.

## Linked Issues or Issue Description

**What happened?**
Sandbox finalization can fail with a missing parent commit after an
agent checks out a separately fetched shallow branch. Re-exporting a
full bundle repeats the failure because Git bundles do not encode
shallow boundaries.

**Expected behavior**
Import the completed branch and saved files. Preserve existing host
ancestry and concurrent host edits. Keep normal Git connectivity and
workspace merge checks.

**Steps to reproduce**
1. Prepare a sandbox from one host commit.
2. Fetch a different published branch with depth one and check it out.
3. Save a result file and restore the sandbox workspace.

**Paperclip version or commit**
Reproduced against master before this repair. The regression fails with
the missing-parent error before the production change.

Related public context: #15268 covers rewritten history integration.
This repair handles shallow bundle transport before integration.
Searches found no equivalent open repair.

## What Changed

- Export shallow boundaries beside the full bundle when the delta import
lacks history.
- Unpack into a temporary shared bare repository. Keep parent
connections already available on the host and import with Git's shallow
fetch protocol.
- Reject malformed boundary values and retain existing connectivity,
branch, and concurrent-work merge guards. Keep boundary probes within 15
seconds without consuming the separate 60-second Git import budget.
- Let source-bound preservation recover reusable leases only for the
finalizer-selected, accepted successful native result and matching
completion contract. Retain provider-stop, physical ownership and
host-writer checks; ordinary reusable sources remain blocked.
- Classify invalid Git metadata separately from omittable unsafe
archives. Keep native finalization failed and preserve service-owned
file recovery; carry the sender's dedicated rejection across the command
boundary without transient retries.
- Share the failure allowlist across bounded run/activity projections
and cancelled-preservation selection. Migration `0416` rebuilds the
matching partial index; task chat retains the non-retryable recovery
notice.
- Add real Git, filesystem sandbox and database recovery regressions.
Update execution semantics and affected verification maps.

## Verification

- Red: real filesystem sandbox restore failed with the same
missing-parent/revision-walk error before the export repair.
- Green: 240 focused Git, workspace restore, sandbox transport and
native-finalization tests pass. Coverage includes both transfer paths,
malformed/oversized metadata, a genuinely shallow host with its original
boundary intact, and concurrent host work with both merge parents
verified.
- Red/green: a 14-second simulated probe left the final real Git fetch
only 45,893 ms before the budget split. It now retains over 55 seconds
after the probes; a 16-second probe exhausts its own budget before host
import.
- Red/green: an oversized read progress report was retried three times
before its distinct metadata classification. It now aborts the first
read before payload consumption, leaves the host tip unchanged and does
not retry.
- Red/green: the real metadata error was swallowed by best-effort export
and native finalization incorrectly returned success. Both regressions
now pass; all 240 focused Git/restore/native-finalization tests pass. A
PostgreSQL/filesystem fault-injection test also verifies retained files,
failed run, service-owned recovery barrier, no preservation receipt and
no new wake.
- Red/green: duplicate metadata produced 47 Git process starts before
deduplication; the bounded-work regression now passes. Oversized byte
and boundary inputs fail before Git probes.
- Recovery red: both reusable lease policies exhausted recovery despite
a selected accepted successful result. The assembled
PostgreSQL/filesystem path now passes for retained and both reusable
policies, including idempotent re-admission after exhausted automatic
recovery, saved files, no agent wake, and once-only existing-result
finalization.
- Source verification controls reject ordinary reusable leases,
rejected/failed/unselected results, another physical allocation owner,
and an active host writer without changing recorded state.
- The 78-test PostgreSQL/filesystem recovery/source suite passed before
the metadata classification correction. Its new persisted
metadata-failure regression also passes. Full workspace typecheck and
build pass at final head `69f10daab2`.
- `node scripts/check-maps.mjs` and `git diff --check` pass.
- Full local `pnpm test:run` attempts did not finish. They are not
counted as passes. Early focused runs exceeded 5-second and 30-second
fixture deadlines; the final serial suite passed all 176 tests with a
30-second per-test budget in 56.8 seconds.
- Red/green: both bounded PostgreSQL projections dropped the new code in
oversized results. All 19 source/projection cases now pass, plus an
actual index-predicate test that excludes a metadata repair hold and
still selects ordinary cancelled work.
- Red/green: an oversized sender `.git/shallow` lost its error type
before host validation. The real transport test now verifies one typed
rejection, no shallow-payload read, and an unchanged host tip. All 465
command/sandbox/task-chat tests pass, and token/migration gates pass.
- Full typecheck/build pass after these final contract corrections at
`69f10daab2`; all 20 PostgreSQL source/projection/index contracts pass.
All current-head CI checks passed; Greptile is 5/5 with no unresolved
review threads. Merged #18230 supplies the CI-cache and Linux
shell-fixture baseline repairs; their duplicate changes have been
removed from this PR. The final Runner lane passed after one justified
rerun of an unchanged authentication fixture timeout (all 11 fixture
tests also pass locally). Previous CI failures and incomplete local runs
remain recorded; live deployment and retained-run recovery remain
separate verification.

## Risks

- The fallback creates a temporary shared bare clone. Metadata is
limited to 64 KiB and 256 unique boundaries, duplicate/parent probes are
cached, and Git import has a 60-second command budget plus a separate
15-second boundary-probe budget. It runs only after a missing-history
import failure.
- Incorrect boundaries could hide real host ancestry. The importer
retains available parent connections, and regressions cover that case.
- The full-bundle fallback can transfer a bundle twice. This preserves
the existing fast delta path; removing that extra transfer is outside
this correctness repair.
- Preservation eligibility expands only for completed native exports on
reusable leases. It creates no provider turn and leaves ordinary
reusable leases ineligible. Database/filesystem regressions cover result
selection and competing physical/host ownership.
- The migration rebuilds one partial index; no tables, columns or user
records change. There are no agent execution admission, model, trust,
recovery permission, workflow or lockfile changes.

## Model Used

OpenAI Codex, GPT-6, with reasoning, code execution, and browser tools.
The exact serving variant and context-window size are not exposed in
this session.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` / `Closes
#` / `Refs #` OR (b) described the issue in-PR following the relevant
issue template
- [x] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
and contains no internal Paperclip ticket id or instance-derived details
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-10-29 20:02:53 -05:00
DottaandPaperclip bd382eee53 fix(recovery): explain retained source verification failures (#17773)
## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Workspace recovery must prove the identity of retained work before
it uses an allocation.
> - The verifier rejects several different contracts with the same
`source_binding_invalid` code.
> - A saved Retry can therefore stop before file preservation without
enough evidence for a safe repair.
> - Operators need a bounded observation of the selected source without
another attempt or weaker guards.
> - This pull request records closed failure reasons and adds an
explicit read-only inspection on the run page.
> - The benefit is a precise next diagnostic step while the saved work,
intent, and ownership fences remain intact.

## Linked Issues or Issue Description

Refs: #17741, #17053. This is a diagnostic follow-up. It does not change
recovery admission or the retained-source acceptance policy.

**What happened?**

A retained-source recovery exhausted in `verify_execution` with only
`source_binding_invalid`. Run and task diagnostics could not distinguish
an invalid reference, lease policy, source binding, or reopened
allocation. The normal recovery-actions read can also revalidate
recovery state, so it was not a safe substitute for a current read-only
inspection.

**Expected behavior**

Record an allowlisted reason at the rejected guard. Allow a reader to
inspect one exact task/run/action without changing its attempts, saved
input, receipts, or ownership. Clearly separate the recorded failure
from current identity observations.

**Steps to reproduce**

1. Prepare a terminal native run with a retained-source action and a
lease policy of `reuse_by_environment`.
2. Attempt source verification. The guard must still reject that policy.
3. Open the failed run and choose Inspect recovery, then Inspect current
source. The diagnostic should name `lease_policy_not_retained` and the
allowlisted policy.

## What Changed

- Split existing source-binding guards into closed reason codes. Keep
each acceptance predicate and physical recovery action unchanged.
- Persist validated, path-free reason/policy detail with future system
recovery failures. Keep historical generic records compatible.
- Add an explicit query on the existing task recovery-actions GET. Exact
company/task/run/action selection bypasses read revalidation. Run
selection lists at most 20 actions; inspection stops before per-lease
lookup when a record has more than eight sources.
- Add a manual inspection control on native export-failure run pages.
Keep resolved retained actions inspectable. Show recorded failure and
current recorded-source identity separately.
- Update execution semantics and feature/access recipes. The shared type
is the normalized server/UI contract; it contains no provider payload or
secret.

## Verification

- RED: the prior verifier failed both reason assertions for rejected
warm policy and foreign-run lease binding. GREEN: the final focused
source/HTTP, system-state, and UI suites pass 23 tests. The UI follow-up
passes 8 tests after the review fixes.
- HTTP tests prove exact selection, cross-company denial,
resolved-action access, reused-allocation rejection, redaction, and
unchanged actions, runs, leases, tasks, wakeup receipts, workspace
operations, and activity. A nine-source case proves bounded inspection
while the existing worker verifier still accepts all nine valid sources.
- Review follow-up: show allowlisted saved detail beside a changed
current observation, preserve all listed actions, and follow
exact-action selection in verified/limited/error tests. The prior
component fails the saved/current drift regression in an in-memory RED
control; the current component passes. UI typecheck/build pass again.
- `pnpm -r typecheck` and `pnpm build` pass. Token gates, maps, module
boundaries, and `git diff --check` pass.
- Rebased onto master `46de15ff4b` without conflicts. Range-diff proves
both diagnostic commits are unchanged. On new head
`a7e2bc87fcea75e76b6b736304d1287257f71174`, all 23 focused tests, full
typecheck/build, token gates, maps, and module checks pass again. Both
fresh reviews are 5/5 with zero unresolved threads. Final exact-head
GitHub status is CLEAN: 55 success, 2 skipped, 1 neutral, no pending
checks or failures. The [ci / verify
aggregate](https://github.com/paperclipai/paperclip/actions/runs/40387002325/job/121802415824)
passed in eight seconds. All test/build/typecheck/E2E lanes passed.
- Existing full workspace recovery suite: 56/56 pass (103.5 seconds)
before the byte-equivalent rebase. `pnpm test:run` hit repeated embedded
PostgreSQL initialization failure before database-suite assertions and
was stopped. No full local suite pass is claimed. The owned external
`_test` database provided the focused HTTP/source verification. The
prior browser attempt also stalled at Network.enable before its click;
that attempt did not establish browser acceptance.
- Current-head local browser acceptance passes through the actual run
page: Inspect recovery lists the exact action, Inspect current source
shows recorded generic failure separately from the current rejected
policy, and reload resets inspection to the explicit control. Explicit
selection works again after reload. The app used isolated data, an empty
inherited environment, a paused synthetic agent, and no provider
credentials. Final state remains failed/exhausted with zero attempts,
zero wakeup receipts, zero workspace operations, and unchanged original
generic failure. The local app and temporary tab were stopped. This
proves the diagnostic journey, not the deployed source's actual lease
policy or its recovery.
- Final merge verification at
`a7e2bc87fcea75e76b6b736304d1287257f71174`: GitHub reports CLEAN and
mergeable. Both repository-required checks, `ci / verify` and `ci /
e2e`, pass, as does the exact-head Greptile check (5/5, zero unresolved
threads). The separate [Entire
trail](https://entire.com/gh/paperclipai/paperclip/trails/7) has no
recorded reviewer approval; no such approval is claimed. It is not a
configured GitHub merge gate.
- Initial local setup failures were distinct from product assertions:
localhost sandbox EPERM required scoped local access; a browser harness
import path was corrected. A test UUID type inference error and
historical native-export UI selection gap were corrected before the
green run. The live task remains blocked; this diagnostic does not claim
it recovered.

## Risks

- This change improves evidence. It does not prove provider termination,
local descriptor integrity, or successful file preservation, and it does
not repair the original source.
- Current inspection spans multiple database reads. It is an
observation, not a historical cause or execution authority. It performs
no provider/filesystem calls and starts no retry or executor.
- The optional persisted detail is backward compatible. Unknown values
and extra fields are excluded. Oversized source lists remain uninspected
through this explicit diagnostic path; physical recovery rules do not
change.

## Model Used

OpenAI Codex based on GPT-6, with code execution and browser tools. The
exact serving model ID and context window were not exposed in this
session.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` / `Closes
#` / `Refs #` OR (b) described the issue in-PR following the relevant
issue template
- [x] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
and contains no internal Paperclip ticket id or instance-derived details
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-10-27 08:21:28 -05:00