feat(sync): add oc sync orchestration#62
feat(sync): add oc sync orchestration#62ndycode wants to merge 8 commits intosplit/pr58-backend-primitivesfrom
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📝 WalkthroughWalkthroughnew orchestrator module that plans and applies oc-chatgpt syncs and exports named backups via dependency-injected detect, preview, load, and persist functions. it returns blocked/ready plan states, applies merges to disk, and handles backup collisions. (see Changes
Sequence Diagram(s)sequenceDiagram
participant client
participant orchestrator
participant detector
participant storage
participant merger
client->>orchestrator: planOcChatgptSync(source, destination?)
orchestrator->>detector: detectOcChatgptMultiAuthTarget(deps)
alt detection ambiguous/none
detector-->>orchestrator: blocked-none / blocked-ambiguous
orchestrator-->>client: BlockedDetection
else detection ready
detector-->>orchestrator: target descriptor
orchestrator->>storage: loadTargetStorage(target)
storage-->>orchestrator: destination account | null
orchestrator->>merger: previewOcChatgptImportMerge(source, destination, target)
merger-->>orchestrator: preview + payload
orchestrator-->>client: OcChatgptSyncPlanReady(preview,payload,destination)
end
sequenceDiagram
participant client
participant orchestrator
participant persister
participant backup
participant detector
client->>orchestrator: applyOcChatgptSync(...)
orchestrator->>orchestrator: planOcChatgptSync() [see plan flow]
alt plan blocked
orchestrator-->>client: BlockedDetection
else plan ready
orchestrator->>persister: persistMerged(target, merged)
alt persist succeeds
persister-->>orchestrator: persistedPath
orchestrator->>backup: exportNamedBackup(name, force?)
alt backup exported
backup-->>orchestrator: exported(path)
orchestrator-->>client: applied result (merged, persistedPath)
else backup collision
backup-->>orchestrator: collision(error)
orchestrator-->>client: applied result (merged, collision path)
else backup error
backup-->>orchestrator: error
orchestrator->>detector: detectOcChatgptMultiAuthTarget() // re-eval for error result
orchestrator-->>client: error result (target preserved)
end
else persist fails
persister-->>orchestrator: error
orchestrator-->>client: error result (target preserved)
end
end
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lib/oc-chatgpt-orchestrator.ts
Outdated
| export async function applyOcChatgptSync( | ||
| options: ApplyOcChatgptSyncOptions, | ||
| ): Promise<OcChatgptSyncApplyResult> { | ||
| const dependencies = options.dependencies ?? {}; | ||
| const plan = await planOcChatgptSync({ | ||
| source: options.source, | ||
| destination: options.destination, | ||
| detectOptions: options.detectOptions, | ||
| dependencies: { | ||
| detectTarget: dependencies.detectTarget, | ||
| previewMerge: dependencies.previewMerge, | ||
| loadTargetStorage: dependencies.loadTargetStorage, | ||
| }, | ||
| }); | ||
|
|
||
| if (plan.kind !== "ready") { | ||
| return plan; | ||
| } |
There was a problem hiding this comment.
The applyOcChatgptSync function doesn't wrap the planning phase in a try-catch, which means if loadTargetStorage throws an error (e.g., permission denied, invalid JSON, etc.), the function will throw instead of returning a structured error result with kind: "error". This is inconsistent with how persist errors are handled (lines 175-187).
export async function applyOcChatgptSync(
options: ApplyOcChatgptSyncOptions,
): Promise<OcChatgptSyncApplyResult> {
const dependencies = options.dependencies ?? {};
let plan;
try {
plan = await planOcChatgptSync({
source: options.source,
destination: options.destination,
detectOptions: options.detectOptions,
dependencies: {
detectTarget: dependencies.detectTarget,
previewMerge: dependencies.previewMerge,
loadTargetStorage: dependencies.loadTargetStorage,
},
});
} catch (error) {
// Need target info, but we don't have it if planning failed early
// May need to adjust error result structure
return { kind: "error", target: /* need to handle this */, error };
}
if (plan.kind !== "ready") {
return plan;
}
// ... rest of function
}Note: The error result structure requires a target property which may not be available if planning fails, so the error type may need adjustment.
| export async function applyOcChatgptSync( | |
| options: ApplyOcChatgptSyncOptions, | |
| ): Promise<OcChatgptSyncApplyResult> { | |
| const dependencies = options.dependencies ?? {}; | |
| const plan = await planOcChatgptSync({ | |
| source: options.source, | |
| destination: options.destination, | |
| detectOptions: options.detectOptions, | |
| dependencies: { | |
| detectTarget: dependencies.detectTarget, | |
| previewMerge: dependencies.previewMerge, | |
| loadTargetStorage: dependencies.loadTargetStorage, | |
| }, | |
| }); | |
| if (plan.kind !== "ready") { | |
| return plan; | |
| } | |
| export async function applyOcChatgptSync( | |
| options: ApplyOcChatgptSyncOptions, | |
| ): Promise<OcChatgptSyncApplyResult> { | |
| const dependencies = options.dependencies ?? {}; | |
| let plan; | |
| try { | |
| plan = await planOcChatgptSync({ | |
| source: options.source, | |
| destination: options.destination, | |
| detectOptions: options.detectOptions, | |
| dependencies: { | |
| detectTarget: dependencies.detectTarget, | |
| previewMerge: dependencies.previewMerge, | |
| loadTargetStorage: dependencies.loadTargetStorage, | |
| }, | |
| }); | |
| } catch (error) { | |
| return { kind: "error", target: null, error }; | |
| } | |
| if (plan.kind !== "ready") { | |
| return plan; | |
| } | |
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Actionable comments posted: 4
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@lib/oc-chatgpt-orchestrator.ts`:
- Around line 166-208: The catch re-runs detection which can flip results;
instead call detection once at the start of applyOcChatgptSync (use
dependencies.detectTarget ?? detectOcChatgptMultiAuthTarget with
options.detectOptions) and stash its result/descriptor for reuse in the catch
handler; on error, mapDetectionToBlocked against the original detection and if
not blocked and detection.kind === "target" return { kind: "error", target:
originalDescriptor, error } so the original target and error are preserved;
update applyOcChatgptSync to use persistedPath logic unchanged but reference the
saved detection, and add vitest regression tests (tests mentioned around
test/oc-chatgpt-orchestrator.test.ts:188-226 and 316-348) that simulate the
second detection returning none/ambiguous and assert applyOcChatgptSync still
returns kind: "error" for the original target and that queues handle EBUSY/429
per repo guidelines.
- Around line 236-252: The extractCollisionPath function currently treats any
EEXIST with a path as a collision; change it to first check the error message
for the "file already exists: ..." pattern (use the same regex /already exists:
(?<path>.+)$/i) and then require that the code is "EEXIST" and the message-match
both before returning a path (update the EEXIST branch in extractCollisionPath
accordingly), and add a regression unit test that simulates an EEXIST error
lacking the collision message (e.g., mkdir failing because a file exists) to
assert extractCollisionPath returns undefined for that case.
In `@test/oc-chatgpt-orchestrator.test.ts`:
- Around line 144-348: Tests currently only use injected doubles so the real
fs-backed branches in applyOcChatgptSync and runNamedBackupExport (and their
helpers loadTargetStorage/persistMerged/exportBackup) aren't covered; add
deterministic vitest tests that use a temp directory and the library's default
fs-backed loader/persistor to exercise those branches, simulate Windows-style
errors by producing NodeJS.ErrnoException objects with code
"EACCES"/"EEXIST"/"EBUSY" (or by creating files to trigger EEXIST), and add a
controlled concurrency regression: start two applyOcChatgptSync calls targeting
the same accountPath but make the fs-persist step deterministic (use a deferred
Promise or hook in the test to pause the first persistMerged) so one call wins
and the other yields a structured collision/error result; assert error.kind and
preserved original error where appropriate and reuse the symbols
applyOcChatgptSync, runNamedBackupExport, loadTargetStorage, persistMerged, and
exportBackup to locate the code to test.
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lib/oc-chatgpt-orchestrator.tstest/oc-chatgpt-orchestrator.test.ts
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test/**
⚙️ CodeRabbit configuration file
tests must stay deterministic and use vitest. demand regression cases that reproduce concurrency bugs, token refresh races, and windows filesystem behavior. reject changes that mock real secrets or skip assertions.
Files:
test/oc-chatgpt-orchestrator.test.ts
lib/**
⚙️ CodeRabbit configuration file
focus on auth rotation, windows filesystem IO, and concurrency. verify every change cites affected tests (vitest) and that new queues handle EBUSY/429 scenarios. check for logging that leaks tokens or emails.
Files:
lib/oc-chatgpt-orchestrator.ts
| activeIndex: 0, | ||
| }; | ||
|
|
||
| describe("oc-chatgpt orchestrator", () => { |
There was a problem hiding this comment.
missing coverage: applyOcChatgptSync blocked-none / blocked-ambiguous path
applyOcChatgptSync lines 183-185 forward a blocked-* plan result directly to the caller:
if (plan.kind !== "ready") {
return plan;
}every test that calls applyOcChatgptSync injects a detectTarget that always resolves to "target", so this path has zero coverage. a blocked-none or blocked-ambiguous result from planOcChatgptSync during an apply call would reach callers completely untested. given this is a new orchestration layer that callers will pattern-match on, both missing cases should have explicit tests — especially because on windows a deleted-between-plan-and-apply target directory would hit blocked-none here instead of error.
suggested additions:
it("returns blocked-none from apply when detection finds no target", async () => {
const result = await applyOcChatgptSync({
source: sourceStorage,
dependencies: {
detectTarget: () => ({ kind: "none", reason: "missing", tried: [] }),
},
});
expect(result.kind).toBe("blocked-none");
});
it("returns blocked-ambiguous from apply when detection is ambiguous", async () => {
const result = await applyOcChatgptSync({
source: sourceStorage,
dependencies: {
detectTarget: () => ({ kind: "ambiguous", reason: "multiple", candidates: [] }),
},
});
expect(result.kind).toBe("blocked-ambiguous");
});Prompt To Fix With AI
This is a comment left during a code review.
Path: test/oc-chatgpt-orchestrator.test.ts
Line: 40
Comment:
**missing coverage: `applyOcChatgptSync` blocked-none / blocked-ambiguous path**
`applyOcChatgptSync` lines 183-185 forward a `blocked-*` plan result directly to the caller:
```ts
if (plan.kind !== "ready") {
return plan;
}
```
every test that calls `applyOcChatgptSync` injects a `detectTarget` that always resolves to `"target"`, so this path has zero coverage. a `blocked-none` or `blocked-ambiguous` result from `planOcChatgptSync` during an apply call would reach callers completely untested. given this is a new orchestration layer that callers will pattern-match on, both missing cases should have explicit tests — especially because on windows a deleted-between-plan-and-apply target directory would hit `blocked-none` here instead of `error`.
suggested additions:
```ts
it("returns blocked-none from apply when detection finds no target", async () => {
const result = await applyOcChatgptSync({
source: sourceStorage,
dependencies: {
detectTarget: () => ({ kind: "none", reason: "missing", tried: [] }),
},
});
expect(result.kind).toBe("blocked-none");
});
it("returns blocked-ambiguous from apply when detection is ambiguous", async () => {
const result = await applyOcChatgptSync({
source: sourceStorage,
dependencies: {
detectTarget: () => ({ kind: "ambiguous", reason: "multiple", candidates: [] }),
},
});
expect(result.kind).toBe("blocked-ambiguous");
});
```
How can I resolve this? If you propose a fix, please make it concise.
There was a problem hiding this comment.
2 issues found across 1 file (changes from recent commits).
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="lib/oc-chatgpt-orchestrator.ts">
<violation number="1" location="lib/oc-chatgpt-orchestrator.ts:165">
P1: Write the temp account file with `mode: 0o600`; otherwise rename can widen final token-file permissions to default umask values.</violation>
<violation number="2" location="lib/oc-chatgpt-orchestrator.ts:170">
P2: Add retry/backoff around `fs.rename` for transient filesystem lock errors to avoid spurious apply failures.</violation>
</file>
Reply with feedback, questions, or to request a fix. Tag @cubic-dev-ai to re-run a review.
|
Pushed follow-up This closes the remaining orchestration test gap by:
Validated with |
| await fs.mkdir(dirname(path), { recursive: true }); | ||
| try { | ||
| await fs.writeFile(tempPath, `${JSON.stringify(merged, null, 2)}\n`, { | ||
| encoding: "utf-8", | ||
| mode: 0o600, | ||
| }); |
There was a problem hiding this comment.
mkdir has no retry; mode: 0o600 is a no-op on Windows
two distinct token-safety problems on this block:
-
fs.mkdir(line 193) sits outside the try/catch and has noEPERM/EBUSYretry. on windows, antivirus scanning the parent directory can hold a lock during directory creation for hundreds of milliseconds. a singleEPERMhere causes the entire apply to fail immediately, with no temp file created yet and no chance to retry — the same window-lock scenario thatrenameWithRetrywas added to handle. -
mode: 0o600(line 197) is silently ignored by node.js on windows. the temp file lands with the default windows acl (typically readable by any local user) and sits on disk until the rename completes. during that window, a concurrent process with the same user session can read the temp file containing plaintext refresh tokens. on unix the mode is correctly enforced; this is purely a windows token-leakage gap.
for (1) add a mkdirWithRetry mirroring renameWithRetry. for (2) you can't fix mode on windows via fs.writeFile — the correct approach is to write to the temp file path and then call fs.chmod before the rename, or accept that this protection is unix-only and document the gap.
// (1) retry mkdir to match renameWithRetry coverage
await mkdirWithRetry(dirname(path));
// (2) on unix this restricts permissions; on windows the ACL
// must be set explicitly via icacls or the gap is documented
await fs.writeFile(tempPath, `${JSON.stringify(merged, null, 2)}\n`, {
encoding: "utf-8",
mode: 0o600,
});Prompt To Fix With AI
This is a comment left during a code review.
Path: lib/oc-chatgpt-orchestrator.ts
Line: 193-198
Comment:
`mkdir` has no retry; `mode: 0o600` is a no-op on Windows
two distinct token-safety problems on this block:
1. `fs.mkdir` (line 193) sits outside the try/catch and has no `EPERM`/`EBUSY` retry. on windows, antivirus scanning the parent directory can hold a lock during directory creation for hundreds of milliseconds. a single `EPERM` here causes the entire apply to fail immediately, with no temp file created yet and no chance to retry — the same window-lock scenario that `renameWithRetry` was added to handle.
2. `mode: 0o600` (line 197) is silently ignored by node.js on windows. the temp file lands with the default windows acl (typically readable by any local user) and sits on disk until the rename completes. during that window, a concurrent process with the same user session can read the temp file containing plaintext refresh tokens. on unix the mode is correctly enforced; this is purely a windows token-leakage gap.
for (1) add a `mkdirWithRetry` mirroring `renameWithRetry`. for (2) you can't fix mode on windows via `fs.writeFile` — the correct approach is to write to the temp file path and then call `fs.chmod` before the rename, or accept that this protection is unix-only and document the gap.
```ts
// (1) retry mkdir to match renameWithRetry coverage
await mkdirWithRetry(dirname(path));
// (2) on unix this restricts permissions; on windows the ACL
// must be set explicitly via icacls or the gap is documented
await fs.writeFile(tempPath, `${JSON.stringify(merged, null, 2)}\n`, {
encoding: "utf-8",
mode: 0o600,
});
```
How can I resolve this? If you propose a fix, please make it concise.| export async function planOcChatgptSync( | ||
| options: PlanOcChatgptSyncOptions, | ||
| ): Promise<OcChatgptSyncPlanResult> { | ||
| const detectTarget = | ||
| options.dependencies?.detectTarget ?? detectOcChatgptMultiAuthTarget; | ||
| const previewMerge = | ||
| options.dependencies?.previewMerge ?? previewOcChatgptImportMerge; | ||
|
|
||
| const detection = detectTarget(options.detectOptions); | ||
| const blocked = mapDetectionToBlocked(detection); | ||
| if (blocked) { | ||
| return blocked; | ||
| } | ||
| if (detection.kind !== "target") { | ||
| throw new Error("Unexpected oc target detection result"); | ||
| } | ||
|
|
||
| const descriptor = detection.descriptor; | ||
| const destination = | ||
| options.destination === undefined | ||
| ? await ( | ||
| options.dependencies?.loadTargetStorage ?? loadTargetStorageDefault | ||
| )(descriptor) | ||
| : options.destination; | ||
| const preview = previewMerge({ | ||
| source: options.source, | ||
| destination, | ||
| }); | ||
|
|
||
| return { | ||
| kind: "ready", | ||
| target: descriptor, | ||
| preview, | ||
| payload: preview.payload, | ||
| destination, | ||
| }; | ||
| } |
There was a problem hiding this comment.
planOcChatgptSync can throw but its return type hides this
planOcChatgptSync returns Promise<OcChatgptSyncPlanResult>, a union that has no error variant. yet loadTargetStorage (or its default loadTargetStorageDefault) can throw non-ENOENT errors — EACCES, EBUSY, SyntaxError from malformed json — and those propagate as unhandled rejections from planOcChatgptSync.
applyOcChatgptSync handles this correctly by wrapping the plan call in try/catch. but callers that use planOcChatgptSync standalone (e.g. a "dry-run preview" flow in the settings ui) have no type-level signal that they must wrap in try/catch. the only tests for the throwing-loadTargetStorage path go through applyOcChatgptSync — there is zero direct test coverage for planOcChatgptSync itself when loadTargetStorage throws.
either add an error variant to OcChatgptSyncPlanResult and catch inside planOcChatgptSync, or document the throws contract explicitly with a jsdoc @throws so callers know to wrap it. also add a vitest case calling planOcChatgptSync directly with a throwing loadTargetStorage to pin this behavior.
Prompt To Fix With AI
This is a comment left during a code review.
Path: lib/oc-chatgpt-orchestrator.ts
Line: 88-124
Comment:
`planOcChatgptSync` can throw but its return type hides this
`planOcChatgptSync` returns `Promise<OcChatgptSyncPlanResult>`, a union that has no error variant. yet `loadTargetStorage` (or its default `loadTargetStorageDefault`) can throw non-`ENOENT` errors — `EACCES`, `EBUSY`, `SyntaxError` from malformed json — and those propagate as unhandled rejections from `planOcChatgptSync`.
`applyOcChatgptSync` handles this correctly by wrapping the plan call in try/catch. but callers that use `planOcChatgptSync` standalone (e.g. a "dry-run preview" flow in the settings ui) have no type-level signal that they must wrap in try/catch. the only tests for the throwing-loadTargetStorage path go through `applyOcChatgptSync` — there is zero direct test coverage for `planOcChatgptSync` itself when `loadTargetStorage` throws.
either add an `error` variant to `OcChatgptSyncPlanResult` and catch inside `planOcChatgptSync`, or document the throws contract explicitly with a jsdoc `@throws` so callers know to wrap it. also add a vitest case calling `planOcChatgptSync` directly with a throwing `loadTargetStorage` to pin this behavior.
How can I resolve this? If you propose a fix, please make it concise.
Summary
oc-chatgptsync on top of the backend primitives branchWhy
This branch is the orchestration layer between the backend primitives and the interactive settings flow. Splitting it out keeps the write/error-handling logic reviewable on its own.
Verification
npm exec vitest run test/oc-chatgpt-orchestrator.test.tsnpm run typechecknpm run buildNotes
#58#61builds on this branchnote: greptile review for oc-chatgpt-multi-auth. cite files like
lib/foo.ts:123. confirm regression tests + windows concurrency/token redaction coverage.Greptile Summary
this pr adds the plan/apply orchestration layer for
oc-chatgptsync, sitting between the backend storage primitives and the upcoming settings ui. the atomic temp+rename write andrenameWithRetryare solid improvements over a directwriteFile, and the discriminated-union error handling is clean and well-exercised. three concrete gaps remain:windows token-safety on temp files:
fs.mkdirinpersistMergedDefaulthas no retry loop (unlikerenameWithRetry), andmode: 0o600infs.writeFileis silently ignored on windows, leaving plaintext refresh tokens world-readable until rename completes.planOcChatgptSyncthrows but return type hides it: non-ENOENTstorage errors fromloadTargetStoragepropagate as unhandled rejections; the function's return type has no error variant, so standalone callers (e.g. preview flows) face a hidden failure mode with zero direct test coverage.missing mkdir failure test: the existing test suite covers writeFile and rename failures, but not the mkdir path which sits outside the inner try/catch and would propagate directly to the outer error handler.
key findings:
mkdirno retry +mode: 0o600no-op on windows = token-leakage windowplanOcChatgptSyncreturn type doesn't reflect throws contractConfidence Score: 3/5
mkdirhaving no retry on windowsEPERM/EBUSYandmode: 0o600being a no-op on windows are concrete token-safety gaps on the primary target platform (user desktops running windows with antivirus). theplanOcChatgptSyncthrow-contract issue also means any new caller of the exported function faces a hidden failure mode with no test coverage.lib/oc-chatgpt-orchestrator.tslines 193–198 (mkdir/writeFileinpersistMergedDefault) and lines 88–124 (planOcChatgptSyncthrow contract); test suite missing coverage formkdirfailure path.Important Files Changed
mkdirhas no retry on windowsEPERM/EBUSY, andmode: 0o600inwriteFileis silently ignored on windows leaving temp files world-readable;planOcChatgptSyncreturn type also hides that it can throw on non-ENOENT storage errors.mkdirfailure inpersistMergedDefault— this is a separate execution path outside the inner try/catch that should be covered explicitly.Sequence Diagram
sequenceDiagram participant Caller participant applyOcChatgptSync participant planOcChatgptSync participant detectOcChatgptMultiAuthTarget participant loadTargetStorage participant previewOcChatgptImportMerge participant persistMergedDefault participant fs Caller->>applyOcChatgptSync: call(source, destination?, options) applyOcChatgptSync->>planOcChatgptSync: call(source, destination?, deps) planOcChatgptSync->>detectOcChatgptMultiAuthTarget: detect(detectOptions) detectOcChatgptMultiAuthTarget-->>planOcChatgptSync: none|ambiguous|target alt blocked planOcChatgptSync-->>applyOcChatgptSync: blocked-none|blocked-ambiguous applyOcChatgptSync-->>Caller: blocked-none|blocked-ambiguous else target found planOcChatgptSync->>loadTargetStorage: load(descriptor) loadTargetStorage-->>planOcChatgptSync: AccountStorageV3|null (or throws) planOcChatgptSync->>previewOcChatgptImportMerge: preview(source, destination) previewOcChatgptImportMerge-->>planOcChatgptSync: OcChatgptMergePreview planOcChatgptSync-->>applyOcChatgptSync: ready(target, preview, payload, destination) applyOcChatgptSync->>persistMergedDefault: persist(target, merged) persistMergedDefault->>fs: mkdir(dirname(accountPath)) fs-->>persistMergedDefault: ok (or EPERM/EBUSY — no retry) persistMergedDefault->>fs: writeFile(tempPath, json, mode:0o600) Note over fs: mode 0o600 ignored on Windows persistMergedDefault->>fs: rename(tempPath → accountPath) [retry x5] fs-->>persistMergedDefault: ok persistMergedDefault-->>applyOcChatgptSync: accountPath applyOcChatgptSync-->>Caller: applied(target, preview, merged, persistedPath) end alt any error thrown applyOcChatgptSync->>detectOcChatgptMultiAuthTarget: recovery detect(detectOptions) applyOcChatgptSync-->>Caller: error(target?, error) endLast reviewed commit: c0cd5c8
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