fix: isolate Compatibility Lab from core runtime - #1676
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📝 WalkthroughWalkthroughThe change makes Compatibility Lab integration optional and lazy. Configuration defaults malformed or absent values to disabled. Lab routing, management handlers, automation startup, runtime ownership, CLI enablement, and shutdown logic activate only when required. ChangesCompatibility Lab integration
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to This change isolates optional Compatibility Lab behavior behind explicit opt-in and lazy loading; no actionable merge-blocking risk remains based on the current evidence. Sequence Diagram(s)sequenceDiagram
participant Config
participant startServer
participant ManagementAPI
participant LabAutomationRuntime
participant Lifecycle
Config->>startServer: provide labIntegrationEnabled
startServer->>LabAutomationRuntime: initialize runtime when enabled
ManagementAPI->>LabAutomationRuntime: initialize runtime for matching Lab routes
LabAutomationRuntime-->>ManagementAPI: provide dispatch dependencies
Lifecycle->>LabAutomationRuntime: invoke shutdown hook
LabAutomationRuntime->>LabAutomationRuntime: stop schedulers and release owners
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Inline comments:
In `@src/server/index.ts`:
- Around line 1733-1765: Extract the production Lab automation dependency setup,
including the routeExecutor and dispatch dependencies, from the
labIntegrationEnabled startup branch into a shared lazy initializer. Invoke that
initializer before management routes enqueue manual runs or start the scheduler,
while retaining the enabled startup behavior and synchronous startServer API.
Add regression coverage for a live /api/lab/automation request when
labIntegrationEnabled is false, ensuring dispatch does not return
route_ineligible.
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src/config.tssrc/router.tssrc/server/index.tssrc/server/lifecycle.tssrc/server/management-api.tssrc/server/management/lab-automation-routes.tssrc/server/responses/core.tssrc/types.tstests/lab-core-isolation.test.ts
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Inline comments:
In `@src/cli/lab.ts`:
- Around line 413-418: Initialize the Lab runtime in the CLI enablement flow
before scheduler startup: import and call ensureLabAutomationRuntime with the
CLI configuration and configDir immediately before startLabAutomationScheduler.
Add a focused regression test in lab-runtime-integration-regressions.test.ts
verifying CLI enablement installs the runtime dispatch dependencies.
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src/cli/lab.tssrc/server/lab-automation-runtime.tssrc/server/management/lab-automation-routes.tstests/lab-core-isolation.test.tstests/lab-runtime-integration-regressions.test.ts
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Inline comments:
In `@tests/lab-runtime-integration-regressions.test.ts`:
- Around line 139-146: Update the test “CLI live automation enable installs
production dispatch dependencies” to assert that the persisted configuration
read via readConfigDiagnostics has config.labIntegrationEnabled set to true,
verifying the default save path used by handleLabCommand when no saveConfig
callback is injected.
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src/cli/lab.tstests/lab-runtime-integration-regressions.test.ts
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Closing this because the same boundary landed on You opened this at 07:58Z; I was working the same defect in parallel and did not see it until after #1681 merged. That is a coordination failure on my side — I should have checked open PRs before starting, and the freeze message I was drafting would have told you I was on it. Where yours was betterManagement-API namespace loading. #1681 left CLI path.
Why the merged version differs
One thing worth knowingAn independent review of my version proved, by executing the modules, that a deferred activation window lets a policy alias be silently dropped from a subagent fallback chain — the subagent then runs on a different model than the operator configured, with no error and no log. That is why activation in #1681 is synchronous and completes inside the same turn as Nothing here is lost: the branch stays, the two ideas I took are attributed, and the CLI gap you covered is still open work if you want it. Sorry for the collision. That one is on me. |
…pace (#1682) Cherry-picked from @Wibias's PR #1676, which solved this before the boundary work reached it. #1681 left management-api.ts eagerly importing the Lab and routing-profile handlers, so every dashboard request still pulled ~70 src/lab modules into the graph -- including on installs that never opted into Lab. My own audit flagged it (B6) and I deferred it; Wibias had already implemented it. The handlers now load per namespace, preserving the eager chain's ordering: /api/lab/automation is matched before the general /api/lab handler, and pathInManagementNamespace requires an exact hit or a child path so /api/labfoo cannot collide with /api/lab. src/server/management-api.ts 70 -> 0 reachable src/lab modules management-api.ts joins the protected set in tests/core-lab-boundary.test.ts. That addition required refining the guard, and the distinction is worth stating: a dynamic import() is a DEFERRED edge, entered only if the branch runs, so the graph walk no longer follows it -- lazy loading is the remedy this guard exists to encourage, not a defect. Guard 1 still forbids a protected file from naming Lab dynamically, so the coverage moved rather than disappeared, and the attack suite now pins that split explicitly. Not taken from #1676: the labIntegrationEnabled config flag. It gates Lab behind a new setting with no migration from an existing automation-config.json, so an operator already running Lab automation would silently stop after upgrading. The merged approach reads the automation config that is already on disk instead. Also avoided its require() calls -- they work under Bun, verified, but bind an ESM package to the Bun runtime where a registration slot does not. Verification: bun x tsc --noEmit exit 0; 93 tests pass across 7 files, including 162 management-API tests green before commit.
…sers who never opted in Lands the Lab/core boundary (#1681) and the management-API namespace loading cherry-picked from @Wibias's #1676 (#1682). A user with no routing profile now executes zero Lab code: src/router.ts 24 -> 0 reachable src/lab modules src/server/lifecycle.ts 69 -> 0 src/server/responses/core.ts 24 -> 0 src/server/management-api.ts 70 -> 0 Optional subsystems now register into core-owned slots at activation instead of being imported by the core. Enforced by tests/core-lab-boundary.test.ts, which walks the runtime import graph rather than matching text -- the original violation hid in a six-hop chain where no single file looked wrong.
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Summary
labIntegrationEnabledruntime gate, off unless exactlytrueRoot cause
CL-09 passive route-subject linkage ran in the ordinary Responses path and statically pulled Lab subject code into every server process. CL-08 automation and CL-06 compatibility assembly were also statically reachable from server startup and routing code even when an operator did not use the Lab or routing profiles.
Behaviour
With
labIntegrationEnabledunset or false:Explicit
policy/...routes and explicit/api/lab/*and/api/routing-profiles/*requests still load their dependencies on demand.Automatic Lab startup integration is now explicit opt-in:
{ "labIntegrationEnabled": true }Explicit automation enablement through the CLI or management API persists that runtime opt-in, and explicit live automation requests initialize their production dispatch dependencies lazily.
Validation
devatc6688c79ff58ca4f4a6502f6e6a4228124b45047devchanges insrc/server/responses/core.tsandsrc/types.tsSummary by CodeRabbit