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fix(plugin-form): narrow navigateOnSuccess to the ruled relative-only acceptance set and escape the interpolated id - #6344
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os-support-ai merged 2 commits intoAug 25, 2026
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…e the interpolated id
The admission door (`resolveSuccessNavigate`) accepted any same-origin value,
including an ABSOLUTE url the author spelled out in full, and interpolated
`{id}` / `{recordId}` raw. Per the 2026-08-17 maintainer ruling this key is the
pre-ruling ancestor of the `submitBehavior` family, so as a compat alias it runs
under the semantics objectstack#7496 ruled there: relative paths only, with the
substituted value URL-escaped when the destination is built.
Relative-only and escaping are separate rules and neither implies the other:
relative-only says where a destination may START, so it cannot see structure a
token injects further along; the escape runs only on record data, so it cannot
see an absolute the author wrote. Both are applied, in that order.
With every accepted destination relative, the `window.location.assign(nav)` arm
at both call sites is unreachable and is deleted — the caller now judges the
destination once, at the admission door, rather than twice. The absent-seam
fallback inside `useSubmitRedirectNavigation` is untouched.
The relative test is spelled locally rather than importing
`isAppRelativeDestination`: that predicate answers WHO TRAVELS to an accepted
`thankYouPage.redirectUrl`, a key ruled the OPPOSITE way on this very shape, and
the two must stay free to diverge. A test pins them agreeing so a divergence is
loud rather than silent.Both mount-seam predictions were exact (3 red and 9 red). The url-contract file's prediction about mutation B was right about the phenomenon and wrong about its address: the accepted-turns-refused case lands in the mount-seam verdict table, not in the escaping block, where all five failures are value mismatches. Corrected to what was measured rather than left as written. Also records why the corpus properties split under mutation A: `THE DELETED ARM IS UNREACHABLE` goes red (so the dead-branch proof is a real change detector, not a tautology) while `NO WIDENING` correctly stays green, because it asks about origin and the pre-ruling admission was itself a same-origin test.
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August 25, 2026 14:39
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claude/issue-5034-navigateonsuccess-url-contract
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August 25, 2026 14:51
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Fixes#5034
needs:contract-review, stays a draft, and must not be marked ready or auto-merged. Landing needs a second seat or the maintainer.Head
b96b2ba4a. Points 1 and 2 of the card landed in PR #5558 and are not in scope; this is point 3 alone — the url contract — under the maintainer ruling recorded on the card 2026-08-17 (verbatim 「同意」).What the ruling says, and what each clause became
resolveSuccessNavigateadmits via a relative-reference test instead of the same-origin guardencodeURIComponent; the template is the author's and is untouchedwindow.location.assignfork is deleted{id}/{recordId}dialect stays for existing authorssubmitBehaviornavigateOnSuccessmarked@deprecatedinpackages/types, with the contract restated in the zod.describe()Premise re-derivation — every PM assumption re-measured on my own checkout
origin/mainresolved toc38162d7cfor me too, so line numbers are comparable.resolveSuccessNavigateatsuccessBehavior.ts:52-61, admitting viaisSameOriginUrl(:36):59is rawString(id)ObjectForm.tsx:957/960andWizardForm.tsx:681/684isSameOriginUrlexported, docblock:18-35narrates "survives becauseresolveSuccessNavigatestill needs it"objectui#5548references at the 7 named locationspackages/plugin-form/packages/types/src/objectql.tsandobjectql.zod.ts, noneNo PM assumption was false. One addition to M4 worth recording: the census of
isSameOriginUrlfound one code reader (resolveSuccessNavigateitself) and nine prose readers across five files, not the zero the "delete it" route implies. Handled below.The one deliberate deviation from the suggested route, with the measurement behind it
The route said "replace the
isSameOriginUrl(url)admission with a relative-only test" without naming which test. Three candidates, and the choice is the reviewable decision in this PR:A — spell the relative test locally in
successBehavior.ts(taken).B — import
isAppRelativeDestinationfromthankYouRedirectNavigation.ts. Rejected. It answers WHO TRAVELS to an already-acceptedthankYouPage.redirectUrl, and objectui#5112 ruled that key the opposite way on this very shape — a same-origin absolute there deliberately keeps browser-level navigation. Binding one symbol to two keys ruled in opposite directions means the next ruling on either silently moves the other. That is the hazard the dispatch's R4 names, and importing rather than editing does not remove it, it just defers it.C — derive the verdict from
@objectstack/spec'sFormViewSchema, the way the ruled siblingsubmitRedirect.tsdoes. Rejected on a measurement, not on taste. I ran the corpus through it:That schema is considerably stricter than "relative-only". Adopting it would additionally refuse document-relative, query-only, fragment-only, whitespace-bearing and stray-brace templates on a compat key the same ruling orders kept working for existing authors. Those refusals are not in the ruling, and narrowing beyond a ruling on a deprecated alias is not mine to decide. So option A implements exactly the clause that was ruled and nothing more.
The cost of A is a second spelling of one string test. That cost is paid for explicitly rather than hoped away:
the two predicates agreepins the two over a shared token-free corpus, so a divergence is loud on the day it happens instead of silently moving this key's acceptance set. If review prefers C's breadth, that is a contract decision and this is the place to make it — the code change is one line.Proving the deleted branch was dead, not just unwanted
The route required proof before deletion. It is a corpus property, asked of the real predicate the deleted arm branched on:
It is a real change detector, not a tautology: under mutation A (admission widened back to same-origin) it goes RED — the corpus immediately produces an accepted destination that is not app-relative, i.e. one that would have reached the deleted arm. The absent-seam fallback is untouched and still
window.location.assign, insideuseSubmitRedirectNavigation; the negative-control case pins it.Assertions that moved, with the ruling clause per row
⛔ Nothing here was rewritten to match new behaviour. Each row states the old value, the new value, and the clause that moves it.
mountSeam:372resolveSuccessNavigate('{id}', { id: '<origin>/r' })`${origin}/r`— the id becoming the whole destinationencodeURIComponent(`${origin}/r`)— one opaque segmentmountSeam:373resolveSuccessNavigate('<origin>/r/{id}', { id: 'r1' })`${origin}/r/r1`(accepted)null(refused)mountSeam:383resolveSuccessNavigate('/r/{id}', { id: 'a/b c' })'/r/a/b c'— an id silently growing a path segment'/r/a%2Fb%20c'mountSeam:247-267the whole same-origin absolute describe block (×2 components)window.location.assign(resolved),navigatenot calledNAVIGATE_ON_SUCCESS_REFUSED_NOTENot in the dispatch's list, so flagged explicitly: that fourth row is a describe block the trap note did not name. Its subject — WHO travels to a same-origin absolute — stops existing when the value is refused at the door, so it could not stay as written. It was re-pointed at the refusal rather than deleted, which keeps the end-to-end measurement that nobody navigates.
Assertions that did NOT move, as required: the
{id}/{recordId}/_idcompat cases, the cross-origin refusal, and the three null cases (no template, no id, empty id). Re-asserted verbatim.Reverse verification — predicted first, measured after
Baseline:
2 files, 33 tests, all green. Every mutation was proved on disk (removed-text count 0, injected-text count ≥1, non-emptygit diff --stat) before the run, and every restore was proved bygit diff HEADempty and a blob-hash comparison against HEAD, with an empty hash read as failure.neither half substitutes,THE DELETED ARM IS UNREACHABLE,the two predicates agree, the 2 component absolute cases, the verdict tableencodeURIComponentneither half substitutes, the verdict tablewindow.location.assign(nav)All five url-contract failures under B are value mismatches instead:
Also recorded:
NO WIDENINGstays green under mutation A, correctly rather than incidentally. It asks about ORIGIN, and the pre-ruling admission was itself a same-origin test, so it has nothing to detect there — it is a detector for a future widening past same-origin. Counting it as a mutation-A detection would have overstated the file.One test caught a defect in its own first draft: the equivalence pin's
expect(templates.length).toBeGreaterThan(0)guard fired, because every corpus template carries an{id}token and the token-free filter selected nothing. It now has its own token-free corpus. Without that guard the loop would have passed vacuously.No widening — the T3 argument, stated because it is not obvious
Escaping changes what an out-of-contract input resolves to, so "did anything become reachable?" deserves an argument rather than an assertion. Every destination the helper now returns is a relative reference; a relative reference cannot carry an authority (RFC 3986), so it always resolves to the current origin — which is exactly what the guard it replaces asked. The accepted destination set is therefore a strict subset of the previous one. Machine-checked, not argued:
NO WIDENINGasserts it over the corpus, with anaccepted > 0guard so it cannot pass vacuously.Concretely, an id spelling
https://evil.example.com/stealused to make the whole destination that address (template{id}) or leave it embedded raw; it now becomes one escaped segment inside the path the author wrote. Nothing previously refused is now followed.The 7 dangling
objectui#5548referencesAll 7 corrected; the repo now greps clean for
5548. The card is the point-3 home, per the 2026-08-25 triage ruling, so each site now names #5034 or the ruling rather than a number that was never filed:ObjectForm.tsx:939andWizardForm.tsx:60— rewritten as part of the comments the change touches anyway.navigateOnSuccess.mountSeam.test.tsx:20,356,362,371,381— the "acceptance set this card does not touch" framing is now false; the section is retitled and points at the new contract file.Scope note — one bounded inline fix, declared
Deleting
isSameOriginUrl(zero code readers left after the narrowing) leaves prose in three other test files pointing at a symbol that no longer exists — the same defect class as the dangling#5548. Line drawn and applied: prose that asks a reader to perform a mutation gets a marker naming the deletion; prose that merely narrates history ("the old line asked X") does not.submitRedirect.test.ts:53,91,ObjectForm.submitRedirect.test.tsx:20,35,WizardForm.submitRedirect.test.tsx:30ObjectForm.tsx:867,WizardForm.tsx:616,WizardForm.successBehavior.test.tsx:62,ObjectForm.submitBehavior.test.tsx:43⛔
isAppRelativeDestination,submitRedirect.tsandsubmitRedirectNavigation.tsare not touched — confirmed absent from the diff. objectui#5112's ruling is not reopened.Gates — derived from the CI job step lists, each with its own verdict line
Derived by reading
.github/workflows/{ci,lint,changeset-guard,changeset-presence,control-bytes,vi-mock-specifiers,readme-exports,…}.yml, not from memory. Run at headb96b2ba4a.vitest run packages/plugin-form/Test Files 66 passed (66)·Tests 666 passed (666)type-check(plugin-form + types)packages/types type-check: Done·packages/plugin-form type-check: Donelint(plugin-form + types)✖ 673 problems (0 errors, 673 warnings)·✖ 240 problems (0 errors, 240 warnings)check:control-bytes✅ check-control-bytes: OK (scanned 5223 tracked text file(s); skipped 85 binary)changeset:check✅ All workspace packages are in the changeset fixed group.·✅ No changeset declares a 'major' bump.check:spec-symbols✅ spec symbol derivation: 1305 files scanned against 4959 spec export namestype-check:coverage✅ test type-check coverage: 41/41 packages compile their testslint:coverage✅ lint coverage: 46/46 packages linted, 0 with outstanding errorscheck:vi-mock-specifiers✅ check-vi-mock-specifiers: OK (3747 tracked source file(s)…)check:phantom-deps✅ Every in-scope import is declared by the package that publishes it.check:self-import✅ No package names itself inside its own src/.check:readme-exportsExit codes were captured before any pipe (
cmd > file 2>&1; EXIT=$?), never off atail.check:readme-exportsfails locally for a reason that is not this diff:298 self-import(s) could not be judged … its type entry ./dist/index.d.ts is not on disk -- run 'pnpm build' first. Its own workflow runs a fullpnpm buildfirst; this worktree built only the plugin-form dependency closure. Reading it as red would be reading a missing prerequisite as a measurement. The relevant question it would ask was answered directly instead: no README underpackages/mentionsisSameOriginUrl,resolveSuccessNavigateornavigateOnSuccess, and the deleted symbol was never on the package entry (plugin-form/src/index.tsxdoes not export fromsuccessBehavior), so no published export was removed.pnpm lintrepo-wide is a declared narrowing, not a skip. Three pieces of evidence, all three required:pnpm lintisturbo run lint=eslint .per package, andlint:coveragereports the universe as46/46 packages linted.--format json: 95 files (plugin-form) + 121 files (types) = 216 files linted, 0 errors.eslint.config.jsconfigures noparserOptions.projectand noprojectService, so type-aware linting is off and a file's verdict is a function of its own contents plus config. This diff changes no eslint config and no file in any other package, so it cannot move the verdict on any file I did not lint.CI runs the full farm regardless; this narrowing is a measurement, not an omission.
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