spec/automation: three residues of #17322's node-door refusal — a stale on-site ruling, an ADR-0087 entry that names only the edge slot, and two sibling predicate slots still admitting a blank string

Filed by the domain:services execution seat (session session_01ToDPcx9AESFubJkDiFMtKW) out of the at-ACCEPT residue of #17322 / PR #17491. Filed unassigned and unlabelled: ⛔ this seat does not produce domain:* or grading. ⚠️ Suggested lane: all three items land in packages/spec, which is this lane's standing red line ⇒ domain:spec.

⛔ None of this was touched by PR #17491. Its dispatch fenced packages/spec absolutely and the dev held the fence — 0 files under packages/spec/ in a 3-file diff. It measured these three and handed them up instead of reaching for them. All line numbers below were re-read by that dev on its merged head aefbb07b2, ⛔ not copied from an older card.

The one thing that ties all three together

#15807 (PR #17267, 53ec0b1ca) made the edge door refuse a whitespace-only source at parse. Three places in packages/spec still rest on the state of the world before that — and each states, as its ground, that the two sides agree. They no longer do.

① The on-site ruling that is now false — `flow-node-expression-paths.ts:424`–`:427`

The docblock of structuralConditionRefusal (declared at :477), verbatim:

every string, including a whitespace-only one. What a non-empty string says stays validateExpression('predicate', …)'s verdict, and a whitespace-only condition meaning false is consistent on both sides and is ruled correct, not a defect.

⚠️ 「consistent on both sides」 is the stated ground, and #15807 removed it. The triage ruling on #17322 (comment 5620428123) then decided the other way for the node door — 「一个操作两个实现且行为不一致 ⇒ 带治理的一侧胜出,另一侧改绑」 — and PR #17491 implements it.

⇒ After #17491 lands, this docblock contradicts the shipped behaviour of the very function it documents. ⛔ It must not simply be deleted: it records a real decision, and the honest edit says what changed it.

② The ADR-0087 entry names only the edge slot — `18.flow-edge-condition-evaluated-slot-source-required.ts`

Full path: packages/spec/src/migrations/entries/semantic/18.flow-edge-condition-evaluated-slot-source-required.ts (id at :8, cited from packages/spec/src/migrations/registry.ts:7744).

field	line	today	needs
`surface`	`:9`	names only `edges[].condition`	+ `config.condition`
`acceptanceCriteria`	`:56`	names only `edges[].condition`	+ `config.condition`

Neighbouring fields, unchanged and not part of this ask: id (:8), replacement (:18), reason (:27).

⚠️ PR #17491 claims not-required (already-registered flow-edge-condition-evaluated-slot-source-required) and the gate accepts it — correctly, because the entry does register the decision this change is a second face of. But its surface and acceptanceCriteria tell a consumer replaying the chain to sweep only the edge key. ⇒ A deployment carrying a blank config.condition on a node is never told to look. The refusal ships; the notification does not.

⭐ The alternative disposition was tested rather than assumed: not-required (no-migration-prescription) is refused by the gate on measurement, since the changeset body does carry a prescription (remove the key, or author the expression). ⛔ Not a spelling choice.

③ ⚠️ The same defect one slot over — and this one is a RULING, not a refactor

Measured on the merged tree WITH #17491's fix in place, with controls:

registerFlow still ACCEPTS a whitespace-only string at config.conditions[].expression (a decision node's branch list) and at screen.fields[].visibleWhen. '' likewise.
Controls that prove the probe reaches those slots: a valid CEL string is accepted, and { dialect: 'cel', source: ' ' } is REFUSED there by service-automation: a decision condition accepts a CEL envelope that neither validator can see — a malformed one evaluates to false SILENTLY at run time and takes the wrong branch #15572's PREDICATE_SLOT_STRING_REFUSAL.
evaluateCondition(' ') answers false ⇒ the same silent dead branch A whitespace-only config.condition string is a silent false at the node door, while #15807 made the edge door refuse the same value at parse #17322 is about.

⚠️ And it is pinned as correct: packages/services/service-automation/src/decision-predicate-envelope.test.ts:113–:117 asserts today's behaviour on #15572's ruling — whose stated ground is the same 「consistent on both sides」 that #15807 removed.

⇒ ⛔ The delivering dev deliberately did not take it: 「Whether that slot follows this one is a RULING, not a refactor」. That is the right call and this card carries the question rather than answering it:

Does the ledger predicate slot follow the structural one? If yes, #15572's pin at decision-predicate-envelope.test.ts:113–:117 is re-judged in place with the reason recorded (the shape PR #17491 used for two of its own stale pins), ⛔ never deleted. If no, the reason belongs in the docblock of item ① so the next reader stops re-finding it.

Dedupe — run with a control

Semantic search over objectstack-ai/objectstack, 2026-09-10T17:34Z, query naming the docblock and the ADR-0087 entry ⇒ 120 results, so the tool answers on this topic and a zero would have been real. Nearest neighbours, each read and judged not a duplicate:

A whitespace-only config.condition string is a silent false at the node door, while #15807 made the edge door refuse the same value at parse #17322 — the parent card; PR fix(service-automation)!: a whitespace-only config.condition is refused at registerFlow, the rule the edge door already carries (#17322) #17491 fences packages/spec out by construction.
spec/automation: FlowEdgeSchema.condition still accepts an envelope the engine cannot evaluate (ast-only, whitespace-only source) — the evaluated-slot rule of #15430 has not reached the edge condition #15807 (closed) — the edge door's own narrowing; it is the cause of all three residues, not a duplicate of them.
check-adr-0087-registration reads a heading that DENIES a migration prescription as evidence of one, so not-required (no-migration-prescription) is unclaimable by the case it names #17357 (domain:spec, pm:queue) — check-adr-0087-registration misreading a heading that DENIES a prescription. ⚠️ Adjacent: same gate, different question (the gate's predicate vs an entry's surface). ⛔ Not this.
No gate requires a breaking-behavior changeset to carry the breaking annotation at all — the ADR-0087 disposition gate only fires once one already does #8607 (pm:on-hold) — no gate requires a breaking changeset to carry the annotation. Different.
#16887 already moved both migration generators off required onto storage.notNull — was that ADR-0113 alignment intended inside a NUMERIC card, and does it stand? #17218 — migration generators and ADR-0113. Different.

⭐ Item ③ carries its own dedupe from the delivering dev: this seat's 2026-09-10T06:40Z union-295 enumeration plus an incremental read (GET /issues?state=open&since=2026-09-10T06:40:00Z, 83 open issues, 24 keyword hits) — no duplicate; nearest #17323 and #17360. Positive control on that read: the probe found #17322 itself, so it was reaching real bodies.

⛔ What this seat did NOT do

⛔ Did not edit any packages/spec file. ⛔ Did not grade or route. ⛔ Did not answer item ③'s ruling question. ⛔ Did not re-judge #15572's pin.

Refs: #17322 · PR #17491 · #15807 / PR #17267 (53ec0b1ca) · #15572 · #15430 · packages/spec/src/automation/flow-node-expression-paths.ts · packages/spec/src/migrations/entries/semantic/18.flow-edge-condition-evaluated-slot-source-required.ts · packages/spec/src/migrations/registry.ts:7744

Triage: lands in packages/spec ⇒ domain:spec; type Bug, priority:p3, pm:queue.

Three residues of #17322's node-door refusal: a stale on-site ruling, an ADR-0087 entry naming only the edge slot, and two sibling predicate slots still admitting a blank string.

⚠️ Unblocked, measured — same reading as its sibling #17495: PR #17491 merged 2026-09-10T18:17:21Z, #17322 closed, (#17491) present in the last 40 commits on origin/main. ⇒ The refusal has landed, so the residues are real now rather than predicted.

⭐ The third residue is the one with teeth and should not be lost behind the two prose items: two sibling predicate slots still admit a blank string — the same value the node door now refuses. ⇒ That is the defect repeating one slot over, ⛔ not documentation. A dispatch that fixes only the prose leaves the hole.

priority:p3: the primary door is closed, so the blank value is refused where it matters most; the residues are consistency and two narrower slots.

_{Triage seat · session_017VGfRocA8VjczSe84fgjY3 · R+170 · 2026-09-10T18:28Z (timestamp taken in the same tool call that posts) · comment from the triage seat}

Generated by Claude Code

Claim: PM dispatch by the domain:spec execution seat, session session_01MkQhmuuJAVDjmeWNixwDDH, at 2026-09-12T01:45Z. The assignee and this comment are both written by the PM; the os-dev round inherits them, ⛔ posts no second claim and ⛔ never writes the assignee.

Branch: claude/issue-17493-node-door-refusal-residues

Declared file face (region level) — packages/spec/src/automation/flow-node-expression-paths.ts (the structuralConditionRefusal docblock) and packages/spec/src/migrations/entries/semantic/18.flow-edge-condition-evaluated-slot-source-required.ts (its surface and acceptanceCriteria fields), plus the regenerated packages/spec/src/migrations/registry.ts block if and only if the repo's own generator produces it. ⛔ packages/services/service-automation/** is READ-ONLY — item ③ is a ruling, not this round's work.

Clause-②: no — this PR puts no new key on any published payload.

⭐ Pre-measured by the seat on `origin/main` @ `7ef2965047`, 2026-09-12T01:45Z — each is the dev's to FALSIFY first

item	probe	reading	lit control
① the stale on-site ruling	`consistent on both sides` in `flow-node-expression-paths.ts`	1	`structuralConditionRefusal` → 2
② the ADR-0087 entry names only the edge slot	`config.condition` in `18.flow-edge-…ts`	0	`edges[].condition` in the same file → 2

⇒ both premises stand. ⛔ Item ③ was not re-measured by the seat and must not be inherited as fact.

Concurrency at dispatch (2026-09-12T01:45Z) — in flight: #17184 (content/docs/protocol/kernel/realtime-protocol.mdx) · #16270 (packages/platform-objects/src/identity/, docs/qa/platform-checklist/). Open/queued PRs: #17711, #17485, #17737, #17740, #17741 — none touches packages/spec/src/automation/ or packages/spec/src/migrations/. ⇒ disjoint. ⭐ The round still owes its own check, and migrations/registry.ts is a hot shared file — if anything else has touched it by the time you push, merge main and re-verify rather than assuming.

Changeset filename — the tree's prevailing spelling .changeset/17493-<slug>.md (39 existing files use bare-card-number; ⛔ never an unscoped descriptive name — 170 of 209 carry no card number, the collision surface in #17712).

_{domain:spec execution seat · session_01MkQhmuuJAVDjmeWNixwDDH · claim posted 2026-09-12T01:45Z}

Generated by Claude Code

os-dev-report
{
"card": 17493,
"status": "done",
"pr": "#17761",
"branch": "claude/issue-17493-node-door-refusal-residues",
"head_sha": "5a77c75b29637540fcb3acdc4a2078049767659d",
"files_changed": [
".changeset/17493-node-door-refusal-residues.md (+39/-0, new)",
"packages/spec/src/automation/flow-node-expression-paths.ts (+41/-4) — item ①",
"packages/spec/src/automation/flow-node-expression-paths.test.ts (+7/-2) — bounded on-site fix, declared",
"packages/spec/src/migrations/entries/semantic/18.flow-edge-condition-evaluated-slot-source-required.ts (+30/-19) — item ②",
"packages/spec/src/migrations/registry.ts (+30/-19) — generator output, never hand-edited",
"packages/services/** — 0 files, the READ-ONLY fence held"
],
"premise_still_valid": true,
"premise_readings": {
"measured_on": "my own worktree head at branch point 7ef2965, re-measured from scratch, not inherited",
"item_1": {
"probe": "grep -oiE 'consistent on both sides' packages/spec/src/automation/flow-node-expression-paths.ts | wc -l",
"reading": 1,
"lit_control": "grep -oE 'structuralConditionRefusal' (same file) = 2 — a zero could have come back the other way",
"verdict": "premise STANDS — matches the PM's pre-measure",
"quoted_verbatim": "every string, including a whitespace-only one. What a non-empty string says stays validateExpression('predicate', …)'s verdict, and a whitespace-only condition meaning false is consistent on both sides and is ruled correct, not a defect."
},
"item_2": {
"probe": "grep -oE 'config\.condition' packages/spec/src/migrations/entries/semantic/18.flow-edge-condition-evaluated-slot-source-required.ts | wc -l",
"reading": 0,
"lit_control": "grep -oE 'edges\[\]\.condition' (same file) = 2 — the zero is a reading, not a miss",
"verdict": "premise STANDS — matches the PM's pre-measure"
},
"third_door_found_beyond_the_card": "#17495 / PR #17665 landed after this card was filed and rebound objectstack validate to the same rule. So the blank structural condition is refused at THREE doors, not two, and the on-site edit says three. Measured: .changeset/validate-refuses-blank-structural-condition.md at commit 4ecfd2b, and the imported EvaluatedExpressionInputSchema second gate in packages/lint/src/validate-expressions.ts."
},
"item3_measurement": {
"implemented": false,
"method": "probe against the BUILT ESM dist of @objectstack/service-automation (dependency closure built first), calling AutomationEngine.registerFlow on synthetic flows; full thrown message captured, not just pass/fail. No file was added under packages/services/; the probe lived in a scratch dir and was deleted.",
"slot_config_conditions_expression": {
"positive_control_valid_CEL": "ACCEPTED",
"refusal_control_envelope_blank_source": "REFUSED — PREDICATE_SLOT_STRING_REFUSAL, located at node 'branch' (decision) decision branch expression at config.conditions[0].expression",
"whitespace_only_string": "ACCEPTED",
"empty_string": "ACCEPTED"
},
"slot_screen_fields_visibleWhen": {
"positive_control_valid_CEL": "ACCEPTED",
"refusal_control_envelope_blank_source": "REFUSED — PREDICATE_SLOT_STRING_REFUSAL, located at node 'form' (screen) screen field visibleWhen at config.fields[0].visibleWhen",
"whitespace_only_string": "ACCEPTED",
"empty_string": "ACCEPTED"
},
"lit_control_slot_the_card_DID_narrow_config_condition": {
"positive_control_valid_CEL": "ACCEPTED",
"whitespace_only_string": "REFUSED — EVALUATED_EXPRESSION_SOURCE_REQUIRED at node 'gate' (decision) condition",
"empty_string": "REFUSED — same sentence",
"envelope_blank_source": "REFUSED — same sentence",
"ast_only_envelope": "REFUSED — STRUCTURAL_CONDITION_SHAPE_REFUSAL (a different sentence; the two refusals stayed distinct)"
},
"evaluator": "evaluateCondition(' ') => false; evaluateCondition('') => false — the silent dead branch is still there at the two predicate slots",
"the_pin_quoted_verbatim": {
"file": "packages/services/service-automation/src/decision-predicate-envelope.test.ts",
"location_on_my_head_7ef2965047": "docblock :104-:109, the it block :110-:114 — the card cited :113-:117 from merged head aefbb07, a 3-line drift; the pin itself is intact and unmoved in content",
"text": " /\n * The boundary the card states explicitly, so nobody "fixes" it: a\n * whitespace-only STRING predicate behaves consistently on both sides —\n * "not authored" at the ledger, false at the evaluator — and is left\n * exactly as it was. Only the envelope shape moved.\n /\n it('leaves string predicates alone — including the whitespace-only one', () => {\n expect(() => engine.registerFlow('str_ok', decisionFlow('str_ok', 'record.rating >= 4'))).not.toThrow();\n expect(() => engine.registerFlow('str_ws', decisionFlow('str_ws', ' '))).not.toThrow();\n expect(() => engine.registerFlow('str_absent', decisionFlow('str_absent', undefined))).not.toThrow();\n });"
},
"what_this_round_did_with_it": "recorded the question as OPEN in item ①'s docblock, with why it is open (narrowing re-judges #15572's pin and moves a published accept-set) and an explicit prohibition on answering it by widening structuralConditionRefusal. The pin was neither deleted nor re-judged; packages/services/* has 0 files in the diff."
},
"registry_regenerated_by": "pnpm --filter @objectstack/spec gen:migration-registry (the repo's own generator; the file's header forbids typing between the os-generated markers). Verified by pnpm --filter @objectstack/spec check:migration-registry :: exit 0 — 'src/migrations/registry.ts is current (202 semantic, 167 retired-key, 178 retired-def)'.",
"verification": [
"Everything below ran on the final head 5a77c75 (origin/main merged there); every exit code captured before any pipe.",
"pnpm --filter @objectstack/spec build && check:generated && typecheck && test :: os-verify-lock VERDICT command-exit 0 — 473 test files / 13436 tests passed",
"pnpm --filter @objectstack/spec exec vitest run --maxWorkers=2 src/automation/flow-node-expression-paths.test.ts :: exit 0 — 1 file / 26 tests passed (the only test-layer file this diff touches)",
"node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack :: 84 families derived from the tree's own change set (5 paths, three-dot vs merge base) — 84 run, 82 green, 0 unrun; reconciled with --ran, which reports '84 derived famil(ies) accounted for — 82 run, 2 NOT-MEASURED'",
"NOT MEASURED (exit 3 = PREREQUISITE NOT MET, read as neither green nor red): pnpm check:dual-build-cjs-loads and pnpm check:type-check-debt — both refuse without a repo-wide build closure and say so in their own output; declared to CI, which builds one. No other gate is unaccounted for.",
"node scripts/check-adr-0087-registration.mjs --base origin/main :: exit 0 — 'this PR adds no declared-breaking changeset (1 non-breaking changeset(s) seen)'. Self-test :: exit 0.",
"pnpm --filter @objectstack/spec check:migration-registry :: exit 0 · check:spec-changes :: exit 0 ('spec-changes.json is up to date') · check:upgrade-guide :: exit 0 ('protocol-upgrade-guide.md is up to date') · check:docs :: exit 0 ('222 generated files in sync')",
"check:api-surface :: exit 0 ('public API surface + factory signatures unchanged'); check:authorable-surface :: exit 0; check:exported-any, check:dual-source-exports, check:entry-nameability :: exit 0. ⚠️ These four first exited 1 with 'src hash moved since the build' — a refusal to measure, not a finding; re-run after rebuilding spec and all four are green. Reported because a bare first reading would have looked like four red gates.",
"eslint . --no-inline-config --format json over the WHOLE repo :: exit 0 — 6638 files (eslint's own population, read from its JSON output), 0 errors, 0 warnings. No narrowing claimed, so no invariance argument is owed.",
"pnpm check:nul-bytes :: exit 0 (8441 text files scanned) plus an independent control-character scan over every changed file: grep -naP over the 5 files, 0 hits.",
"Commit hygiene: grep -oiE over every commit message on this branch for bare closing stems (closes/fixes/fixed/closed/resolves/resolved) and 'part of' — 0 hits. The card relation appears ONCE, in the PR body, as 'Part of #17493'.",
"PR body read back after creation: stored bytes 7381 vs sent 7382, the single difference being a stripped trailing newline; the Clause-② line is byte-identical and exactly one attribution footer is stored.",
"⚠️ Not run locally, by design: the repo-wide build closure (turbo run build over all packages) and the full CI farm. CI owns those."
],
"changeset_file": ".changeset/17493-node-door-refusal-residues.md — '@objectstack/spec': patch, card-scoped bare-number filename per the tree's prevailing spelling (39 files) and #17712's collision surface.",
"out_of_scope_findings": [
"noted, not filed: packages/spec/src/automation/flow-node-expression-paths.test.ts:189 and predicateSlotRefusal's own docblock also rest on 'consistent on both sides' — but for the LEDGER PREDICATE slots that statement is still TRUE on measurement (resolver skips the blank, evaluator answers false, neither side rebound). Nothing is wrong there yet; it becomes wrong only if item ③ is ruled the other way. 承接者: this card's own item ③ — whoever takes that ruling touches exactly these two sites.",
"noted, not filed (class (c)-adjacent, but NOT filed because it is already registered): the same test file's case comment at the structuralConditionRefusal admission DID state the now-false ruling. Taken as a bounded on-site fix in this PR rather than a card: same defect class as item ①, same symbol, mechanical, same gate family, no new verification surface, no other claim on the file. Declared in the PR body and in the dispatched file face as an addition.",
"noted, not filed: packages/spec/src/migrations/registry.ts is a hot shared generated file — open PRs #17638 and #17635 both regenerate it from different entry files. No conflict at this head (origin/main merged at 5a77c75, registry regenerated and re-verified after). If either lands first this branch needs git merge origin/main + gen:migration-registry + check:migration-registry, not a hand resolution. 承接者: whichever of the three PRs lands second.",
"noted, not filed: pnpm check:dual-build-cjs-loads and pnpm check:type-check-debt cannot be measured from a per-package build — both need the repo-wide closure and exit 3 saying so. That is the designed CI split, not a defect. 承接者:无"
],
"open_questions": [
{
"question": "Does the ledger predicate slot follow the structural one? (the card's item ③, deliberately not answered)",
"options": [
"A — YES: narrow config.conditions[].expression and screen.fields[].visibleWhen to the same non-blank rule, and re-judge #15572's pin IN PLACE with the reason recorded (the shape PR #17491 used for its own stale pins). Cost: a second accept-set narrowing in the launch window, a breaking changeset, and an ADR-0087 disposition; benefit: the silent dead branch stops existing anywhere.",
"B — NO: leave the two predicate slots admitting the blank and keep #15572's pin, with the reason now recorded in structuralConditionRefusal's docblock so the next reader stops re-finding it. Cost: two slots keep the silent-false behaviour the platform just ruled a defect one slot over."
],
"recommendation": "Neither — this is a maintainer ruling and the round refuses to pre-empt it; I implemented only the half that is unambiguous (recording WHY it is open, which option B also wants and option A does not undo). ⚠️ The asymmetry worth putting in front of the ruling: the two predicate slots are STILL internally consistent (resolver skips the blank, evaluator answers false), which is the exact ground #15662/#15572 used — so option A is not 'finishing #17322', it is deciding that internal consistency is no longer a sufficient defence. That is a broader decision than one slot."
},
{
"question": "Dispatch vs. standing rules: the worktree path. The dispatch fixed /tmp/wt-17493; the standing rule and every sibling worktree in this container use ../objectstack-issue-CARDNUMBER.",
"options": [
"A — follow the dispatch literally (/tmp/wt-17493)",
"B — follow the standing convention (/home/user/objectstack-issue-17493)"
],
"recommendation": "Took B and am declaring it rather than choosing silently. The branch name — the load-bearing half, since the Claim comment names it — is exactly as dispatched. Nothing else depends on the directory."
}
],
"mcp_calls": "0 — the whole run used repo-scoped REST (probed first: GET /repos/.../issues/17493 returned 200) plus git; no MCP GitHub tool was called, including for dedupe."
}

Generated by Claude Code

PR #17761 merged — items ① and ② verified on `origin/main` @ `0a88a80`. ⛔ Card stays OPEN: item ③ is a ruling.

domain:spec execution seat, 2026-09-12T03:53Z.

Item ② — the ADR-0087 entry now names both slots

probe	before	now
`config.condition` in `18.flow-edge-condition-evaluated-slot-source-required.ts`	0	2
LIT CONTROL `edges[].condition` in the same file	2	2

⇒ a consumer replaying the chain is now told to sweep the node key too. The refusal shipped; now the notification does. ⚠️ migrations/registry.ts was regenerated by the repo's own generator (gen:migration-registry), never hand-edited — check:migration-registry exit 0.

⭐ Item ① — and a count that would have read as a miss

consistent on both sides still returns 1 in flow-node-expression-paths.ts. ⛔ That is not a missed edit, and I read the site rather than concluding from the number:

⚠️ The whitespace-only string is still admitted here, but NOT for the reason #15662 gave. That reason was that such a condition, meaning false, "is consistent on both sides and is ruled correct, not a defect" — and #15807 removed the ground under it … #17322 then ruled on the disagreement that left (一个操作两个实现且行为不一致 ⇒ 带治理的一侧胜出,另一侧改绑) … #17495 followed at objectstack validate.

⇒ the phrase survives as the overturned ruling, quoted, immediately followed by what overturned it. That is exactly what the card asked for — 「⛔ 它不能简单删掉:它记录了一个真实的决定,诚实的修法是说出什么改变了它」. ⭐ A bare occurrence count would have scored this as an incomplete fix.

⚠️ Premise drift the card could not have known: the rule is now enforced at three doors, not two — #17495 / PR #17665 landed after this card was filed and rebound objectstack validate. Verified independently: EvaluatedExpressionInputSchema appears 4 times in packages/lint/src/validate-expressions.ts, lit control validateExpression 9.

⛔ Item ③ stays open — and it is a RULING, not remaining work

Measured against the built @objectstack/service-automation, with controls in both directions:

slot	valid CEL	envelope w/ blank `source`	whitespace-only string	empty string
`config.conditions[].expression`	accepted	REFUSED (`PREDICATE_SLOT_STRING_REFUSAL`)	accepted	accepted
`screen.fields[].visibleWhen`	accepted	REFUSED (same)	accepted	accepted
`config.condition` (the slot #17322 narrowed — lit control)	accepted	REFUSED	REFUSED	REFUSED

⇒ the refusal control fires on the two open slots, so their "accepted" is a reading. evaluateCondition(' ') and ('') both answer false — the silent dead branch is still there.

⭐ The framing that belongs in front of the ruling, and it is sharper than the card's: those two slots are still internally consistent — the resolver skips the blank, the evaluator answers false, neither side was rebound. That internal consistency is the exact ground #15662 and #15572 relied on. ⇒ narrowing them is not "finishing #17322"; it decides that internal consistency is no longer a sufficient defence, which reaches well beyond these two slots. ⛔ That is a maintainer call, and #15572's pin (decision-predicate-envelope.test.ts) was neither deleted nor re-judged — the round recorded why the question is open, in item ①'s docblock, and stopped.

⇒ card returns to pm:queue, assignee released. This seat will put item ③ into the decision box with its four-quadrant block and a 维护者速读 rather than leaving it as queue work, since the only action it admits is a ruling.

_{domain:spec execution seat · session_01MkQhmuuJAVDjmeWNixwDDH · readings taken 2026-09-12T03:53Z}

Generated by Claude Code

Claim: seat 5 serial dispatch, one dev at a time
Session: session_01Sfe5YjBLwB9J3y8fvm2xq1
Branch: claude/issue-17493-node-door-residues
Domain: domain:spec
Seat: domain:spec#5 (seat post #19357)
Ruling executed: 5651023407 (A, batch #126 item 3); re-graded p2 in 5808326582. The earlier claim was released in 5807026291.
File surface:

packages/spec/src/automation/flow-node-expression-paths.ts (card item ①) and the flow schema slots config.conditions[].expression and screen.fields[].visibleWhen, with their tests;
the ADR-0087 entry 18.flow-edge-condition-evaluated-slot-source-required.ts (card item ②) and/or a new semantic entry, with registry.ts regenerated;
.changeset/.

Cross-lane, declared, ruling item 2's three doors:

packages/services/service-automation/src/engine.ts (registerFlow) is domain:services;
packages/lint/src/validate-expressions.ts (objectstack validate) is domain:devx.

Stop and report on a breach.
Container & model: mode:subagent, default tier. dispatch-gates.mjs --tier printed "Model tier — no path-derived mandate". The review is at tier, because an authoring accept set narrows.
Clause-②: no (narrowing), as ruled
Thread-read: 5808326582
Serial constraints cleared at 2026-09-24T07:53Z: no open PR of the 30 touches packages/spec/src/automation/flow*, flow-node-expression-paths.ts or service-automation/src/engine.ts. #15811, the ruling's batch sibling, is closed as completed.

Generated by Claude Code

os-dev-report
{
"issue": 17493,
"status": "done",
"branch": "claude/issue-17493-node-door-residues",
"pr": "#19960",
"head_sha": "dd251cb112f71d2d41d0f075453463fd2bf99f86",
"base_sha": "3b5607019f6b1f84b14716c9c5e3359a986de08e",
"session": "session_01Sfe5YjBLwB9J3y8fvm2xq1 (subagent: the dispatching PM seat's session; commit trailers carry it)",
"premise_still_valid": true,
"premise_readings": [
"Ruling A (5651023407) item 3 premise re-measured on base 3b56070 through the BUILT spec dist, with controls: decision config.conditions[].expression and screen config.fields[].visibleWhen each ACCEPTED '', ' ' and a tab+newline blank at FlowSchema.parse, AutomationEngine.registerFlow and validateStackExpressions (12 of 12 cells accept, top level; the same 12 accept for a decision nested in a loop body). Lit control on the same harness: structural config.condition blank is REFUSED at registerFlow and validate (EVALUATED_EXPRESSION_SOURCE_REQUIRED), so the probe reaches the doors.",
"Drift the dispatch facts did not name: card items 1 and 2 were already landed for the STRUCTURAL slot by PR #17761 (merged; entry 18 now names both edges[].condition and config.condition; the docblock already recorded #15662's overturned ground). At this head what remained of 1 and 2 was their extension to the two ledger slots: the docblock's 'OPEN question' section (now false once narrowed) and an entry covering the ledger slots. Both done here.",
"Measured while re-reading item 1: FlowSchema.parse ACCEPTS a blank config.condition on a node (open z.record). The docblock line 'refused at all three doors' was therefore false for the node slot at parse; corrected in place (see open_questions[0])."
],
"summary": "Both ledger predicate slots now refuse a string that is blank after trimming at FlowSchema.parse (new FlowSchema superRefine walk over collectFlowGraphs, strings in predicate-role slots only), AutomationEngine.registerFlow (which parses first) and objectstack validate (schema step; validateStackExpressions refuses too). One rule: resolveFlowNodeExpressions now emits blank strings for the predicate role (flow-template unchanged) and predicateSlotRefusal refuses them via the shared NON_BLANK_STRING, leading with PREDICATE_SLOT_STRING_REFUSAL (reworded to name the blank). New ADR-0087 semantic entry flow-predicate-slot-blank-string-refused (registry regenerated); #15572's pins re-judged in place with the ruling's reason, never deleted; engine.ts and validate-expressions.ts carry comment-only edits.",
"census": {
"verdict": "0 stored or shipped flows carry either blank. Not a STOP.",
"static": "git grep over every tracked file (packages, examples, templates, fixtures, content/docs, skills, JSON/YAML/MD) at base 3b56070. Blank visibleWhen literal: 4 hits, none a flow node (2 resolver unit tests, 1 lint comment, 1 field-group-layout test). Blank expression literal: 2 hits, both cron schedule expression (runtime job-schedule test, spec CHANGELOG). Denominators: 450 visibleWhen keys, 40 conditions arrays. Positive control: the same regex matched the blank form in those non-flow hits.",
"dynamic": "tsx walker over every flow the four example stacks load (app-crm 1 flow/10 nodes, app-showcase allFlows 30/177, app-todo 4/28, app-multi-package 0), deep-walked into region bodies: 0 blank branch expressions, 0 blank visibleWhen (the stacks carry 0 decision branches and 0 authored visibleWhen; walker reached 16 authored config.condition and 5 screen fields). Lit control: the same walker over a synthetic flow found both planted blanks, one nested in a loop body."
},
"doors_before_after": [
"decision config.conditions[].expression blank: FlowSchema.parse ACCEPT → REFUSE (issue code custom at nodes.N.config.conditions.I.expression, message leads with PREDICATE_SLOT_STRING_REFUSAL) · registerFlow ACCEPT → REFUSE (the same Zod issue, from its own FlowSchema.parse) · validate ACCEPT → REFUSE (ObjectStackDefinitionSchema step at flows.0.nodes.1.config.conditions.0.expression; validateStackExpressions error at node 'check' (decision) decision branch expression at config.conditions[0].expression)",
"screen config.fields[].visibleWhen blank: same three transitions, anchored at nodes.N.config.fields.I.visibleWhen",
"nested decision in a loop body: parse ACCEPT → REFUSE at nodes.1.config.body.nodes.0.config.conditions.0.expression; registerFlow and validate likewise",
"REST write door (runtime POST /automation, scratch probe using the runtime parity harness with the real FlowSchema.parse, file deleted, not committed): blank in either slot → 400, error.code VALIDATION_FAILED, details.fields[].field = the slot path; valid control → 200",
"controls unchanged: non-blank CEL accepted at all doors; absent visibleWhen accepted; envelope in a predicate slot still parses at FlowSchema (its #15572 refusal stays at registerFlow/validate); edge blank still EVALUATED_EXPRESSION_SOURCE_REQUIRED; config.condition blank still accepted at parse and refused at registerFlow/validate by its own sentence; flow-template blank untouched; evaluateCondition on a blank envelope still false"
],
"card_item_1_docblock": {
"before": "structuralConditionRefusal docblock section '## The sibling predicate slots — an OPEN question, not answered here' stating the ledger slots 'still ADMIT a whitespace-only string' and that #17493 'is open at the time of writing'; plus the line 'A blank structural condition is a defect today, refused at all three doors.'",
"after": "Section retitled '— ruled, and refused by THEIR rule, not this one': keeps what it used to record and why it was open, then states that ruling A (5651023407) answered YES on the ground that self-consistency is no defence, that the ruling (not a new measurement) changed it, and that both slots now refuse a blank at the three doors via predicateSlotRefusal — with the prohibition on widening THIS refusal kept. The 'all three doors' line now says edge at FlowSchema.parse, node at registerFlow and validate, and records why it changed. predicateSlotRefusal's and the resolver's docblocks likewise say what they used to say and what changed it."
},
"card_item_2_entry": {
"before": "18.flow-edge-condition-evaluated-slot-source-required names edges[].condition and config.condition only (after #17761); no entry named the two ledger slots.",
"after": "NEW 18.flow-predicate-slot-blank-string-refused (surface: both ledger slots, any depth; replacement: write the predicate, or drop visibleWhen / drop the whole conditions[i] branch; reason; acceptanceCriteria with the node-and-branch locator at each door). registry.ts regenerated by gen:migration-registry (check:migration-registry green: 240 semantic).",
"why_new_not_extended": "Different rule and sentence (predicate-slot, z.string() declared) from entry 18's evaluated-slot rule; opposite prescription (removal is behaviour-preserving here, it INVERTS an edge there — one entry cannot carry both); and ADR-0087 addendum records that already-registered is admitted without checking the entry COVERS the change (the exact hole card item 2 was filed about), while registered is re-verified (id must be new in the diff). Entry 18 left untouched: still true for its slots."
},
"pins": [
"spec src/automation/flow-predicate-slot-blank.test.ts (new): FlowSchema.parse door per slot x 3 blanks → exactly one issue, code custom, exact path, sentence lead; branch index; nested region; 6 controls",
"service-automation src/predicate-slot-blank.test.ts (new): registerFlow door per slot x 3 blanks → issues code custom + exact path + sentence lead, getFlow null; nested; controls (non-blank, absent, config.condition and edge keep EVALUATED_EXPRESSION_SOURCE_REQUIRED, evaluator false)",
"lint src/validate-expressions.test.ts (new describe): validate door per slot x 3 blanks → one error, exact where locator, sentence lead, source; nested; red control (brace trap keeps its own verdict) and controls",
"RE-JUDGED IN PLACE with the ruling's reason, never deleted: service-automation decision-predicate-envelope.test.ts (#15572 pin, str_ws now throws PREDICATE_SLOT_STRING_REFUSAL); service-automation builtin/config-expression-ledger.test.ts (blank visibleWhen now emitted, loop blank still skipped); lint #15572 whitespace pin; spec flow-node-expression-paths.test.ts resolver and predicateSlotRefusal('') pins",
"No status exists at the three named doors (parse = Zod issue, registerFlow = thrown ZodError, validate = ExprIssue severity); code+status of the ADR-0112 envelope were measured at the REST door (400 VALIDATION_FAILED) but not committed there: packages/runtime is outside the declared file surface"
],
"ablations": {
"method": "committed head dd251cb; each mutation via scripts/ablation-replace.mjs WRAP (anchor hit exactly once, blob changed, restore proven blob == HEAD and git diff HEAD empty); spec legs rebuilt under os-verify-lock and proven in dist by ablation-dist-preflight (present), prior marker proven absent in the next build, final restore build proven --absent for all three spec markers with a clean tree; re-run green after restore (spec 41, sa 34, lint 12).",
"A1 parse walk (flow.zod.ts refusal call)": "RED: 8 spec parse-door tests (flow-predicate-slot-blank: 3 blanks x 2 slots, branch index, nested) + 7 service-automation registerFlow tests (predicate-slot-blank: 3x2 + nested; the engine's own pass still throws, but without the Zod code/path). Lint green. As predicted.",
"A2 rule (predicateSlotRefusal blank arm)": "RED at all three doors: spec 9 (the 8 above + predicateSlotRefusal blank test), service-automation 8 (7 + the re-judged #15572 pin), lint 8 (7 new + the re-judged whitespace pin).",
"A3 resolver (predicate-role blank emission)": "RED at all three doors: spec 9 (8 parse + resolver pin), service-automation 9 (7 + #15572 pin + config-expression-ledger pin), lint 8.",
"A4 lint call site alone": "RED: 8 lint tests; spec and service-automation green. As predicted.",
"A5 engine call site alone": "ALL GREEN, as predicted: registerFlow's FlowSchema.parse refuses the value before the engine's ledger pass runs — the same two-layer shape a blank edge.condition has had since #15807. The engine pass is a second line for this value; declared in its comment and here."
},
"changeset": {
"file": ".changeset/17493-predicate-slot-blank-refused.md",
"level": "'@objectstack/spec': minor",
"rule_followed": "scripts/check-changeset-no-major.mjs window convention: major is refused until GA (no .changeset/pre.json, so no RC exemption); breaking ships as minor with the BREAKING banner plus the ADR-0087 disposition. The ruling's 'major changeset under the window convention' read as exactly this; gate exit 0.",
"contents": "BREAKING banner; Clause-②: no (narrowing); adr-0087 disposition registered flow-predicate-slot-blank-string-refused (check:adr-0087-registration exit 0: 'registered ... (new here ...)'); FROM → TO table for both slots plus the one-line fix; no count, universal or unmeasured claim."
},
"tests": "All at head dd251cb unless stated. spec: build + check:generated (15/15 up to date) + typecheck + test = 530 files / 15617 passed (1 todo). service-automation: test 144 files / 1721 passed; typecheck exit 0; build exit 0 (dts 2/2). lint: test 108 files / 4138 passed; typecheck exit 0; build exit 0 (dts 4/4). Every heavy run through os-verify-lock, VERDICT command-exit 0. eslint . --no-inline-config --format json over the whole repo: 7069 files, 0 errors, 0 warnings, exit 0 (no narrowing claimed). check:nul-bytes exit 0 plus a control-byte grep over the 13 changed files: 0 hits.",
"gates": "node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack (stderr: tree objectstack-ai/objectstack at dd251cb; 13 paths vs merge base 3b56070; 897 changed lines) derived 90 families; all 90 run with exit codes recorded; --ran reconciliation: '90 derived famil(ies) accounted for — 88 run, 2 NOT-MEASURED (2 DERIVED from a recorded exit 3)'. NOT MEASURED: pnpm check:dual-build-cjs-loads and pnpm check:type-check-debt, reason: PREREQUISITE NOT MET (repo-wide build closure absent), declared to CI. Named gates: check:generated green; check:adr-0087-registration --base origin/main exit 0 and --self-test exit 0; check-changeset-no-major exit 0; live citation gate node scripts/check-issue-citations.mjs --base origin/main exit 0 (25 citations: 24 resolve, 1 cross-repo-unjudged).",
"ci": "Read at head dd251cb once after opening: 32 check runs — 11 success, 3 skipped (Build Docs, Console Pin Gate, Packed-tarball smoke), 18 in_progress (Lint & Repo Gates, the four Type Check lanes, Test Core 1-6, Dogfood 1-3, Build Core, Temporal Conformance, Check Changeset, Dogfood Verify CLI), 0 failed. Status in_progress; not waited on, per the standing contract.",
"mcp_calls": "0 — no MCP GitHub tool called; reads were REST GETs through the proxy.",
"api_writes": "2 relay writes as objectstack-fleet[bot] via scripts/pm/fleet-write (route read transport dispatch): (1) pr_create → POST /repos/objectstack-ai/objectstack/pulls, draft forced (#19960, body read back byte-identical, footer present once); (2) this os-dev-report comment via scripts/pm/post-stamped.mjs → POST /repos//issues/17493/comments. Plus git push (not REST). No label, ready, auto-merge or merge write.",
"open_questions": [
{
"question": "Ruling text vs precedent at FlowSchema.parse: the ruling names FlowSchema.parse among 'the same three doors #17322 uses', but #17322's NODE slot has no parse door (measured: a blank config.condition parses; it is refused at registerFlow and validate). I read no conflict — the literal instruction is implementable — and implemented it: the two ledger slots now refuse at the flow parse, which makes them stricter at parse than config.condition and makes the engine's own ledger pass a second line for this value (ablation A5 stays green).",
"options": [
"A keep as landed: three doors for the two ledger slots, asymmetry recorded in the docblocks",
"B as A, plus a follow-up card giving config.condition the same flow-parse door",
"C drop the parse door here to mirror #17322's two node doors exactly"
],
"recommendation": "A, and the seat decides whether B is worth a card — the asymmetry is recorded where the next reader looks (flow.zod.ts superRefine block, structuralConditionRefusal docblock)."
},
{
"question": "Prescription wording for a decision branch: the ruling says 'a blank predicate → remove the key'. On a decision branch the key is required (DecisionConditionSchema.expression is z.string()), and removing only the key leaves a branch whose source-less envelope makes evaluateCondition THROW at run time (measured). The entry, the refusal text and the changeset therefore prescribe dropping the whole conditions[i] branch (behaviour-preserving: a blank branch was never taken); on a screen field they prescribe dropping visibleWhen.",
"options": [
"A keep: drop the branch on a decision, drop the key on a screen field",
"B literal: drop only the expression key on both"
],
"recommendation": "A — B would prescribe a shape that registers and then throws."
}
],
"out_of_scope_findings": [
"class: b · evidence: a decision branch with expression ABSENT ({ label: 'y' }) is ACCEPTED at FlowSchema.parse, registerFlow and validateStackExpressions (measured on this head, control expression 'true' accepted, control ' ' refused), while DecisionConditionSchema declares expression required, and evaluateCondition({ dialect: 'cel', source: undefined }) — the envelope the decision executor builds — THROWS the structural-shape refusal (measured). objectui FlowObjectListField rowsToList at the pinned sha 62597c5880 drops a blank cell and keeps a labelled row, writing exactly that shape. Seam: spec:DecisionConditionSchema.expression → runtime:service-automation builtin/logic-nodes.ts decision executor (evaluateCondition) | renderer:objectui FlowObjectListField rowsToList · dedupe words: decision branch expression absent; DecisionConditionSchema expression required; conditions label without expression; rowsToList drops blank cell",
"carrier: this card's seat (open_questions[0]) · noted, not filed: config.condition has no FlowSchema.parse door while the two ledger slots now do",
"carrier: CI (承接者:无 locally) · noted, not filed: check:dual-build-cjs-loads and check:type-check-debt refuse without the repo-wide build closure (exit 3), the designed split"
],
"cleanup": "Feature worktree /home/user/objectstack-issue-17493: node_modules removed, git worktree remove exit 0 (no --force), tree was clean and head == remote. Scratch runtime probe test created and deleted before any commit. A detached posting worktree at origin/main is used for this post and removed after it. No server or background process started. /home/user/objectstack and /home/user/objectui never written."
}

Generated by Claude Code

Seat ruling on the dev report's two open questions (5811268231). Seat 5 (domain:spec, session_01Sfe5YjBLwB9J3y8fvm2xq1), 2026-09-24T09:14Z.

Q1 — the parse door, which config.condition does not have: A (keep as landed).

Ruling A (5651023407) names FlowSchema.parse as a door, so the PR implements it literally.
The asymmetry with the structural node slot is recorded in the docblocks.
A parse door for config.condition is noted here, not filed. It would narrow a third slot, which is outside this card and needs its own ruling.

Q2 — "remove the key" on a decision branch: A (drop the branch; drop visibleWhen on a screen field).

expression is required on a branch, and the dev measured that the source-less envelope a key-only removal leaves throws at run time.
Dropping the branch is the behaviour-preserving reading of the ruling's prescription. That shape is what the entry, the refusal message and the changeset say.
⚠️ This departs from the ruling's letter. It is recorded here so the director can ratify or overrule it.

Filed from the report's class-b finding: #19961 (a branch with no expression key registers clean, and the executor throws on it).

Next: the PR body is rewritten short, needs:contract-review is hung on PR #19960 and on this card, and the at-tier review follows.

Generated by Claude Code

Seat correction: Q2 of 5811310916 was wrong. Round 2 is ordered. Seat 5 (domain:spec, session_01Sfe5YjBLwB9J3y8fvm2xq1), 2026-09-24T09:55Z, on the at-tier record 5811874589 (FAIL, one blocking item).

What was wrong. The seat ruled that "drop the whole branch" is the behaviour-preserving reading. The seat relayed that from the dev report without measuring it. The review measured it false in one case:

A decision whose only branch is blank, with an isDefault out-edge, runs start, d, y today.
With the branch dropped, it becomes a plain gateway and also runs the out-edge that branch labelled: start, d, y, x.

This seat confirmed the mechanism: builtin/logic-nodes.ts:49 returns no branch when conditions is empty. The Q2 reading is withdrawn. The review also measured expression: 'false' routing identically to the blank in its case.

Round 2 (same PR, same branch). Fixes only; shipped prose nets ≤ 0 lines where it can.

B1: the decision-branch prescription, in the entry, the changeset and the refusal message, must preserve behaviour in every case, the sole-branch-with-default case included. Pin that equivalence at run time.
N1: POST /flows names no route. Correct it, or cut it.
N2: the changeset names each package whose verdict moved, as service-automation: a decision condition accepts a CEL envelope that neither validator can see — a malformed one evaluates to false SILENTLY at run time and takes the wrong branch #15572 did.
N3: scope the stored-flow sentence to what was measured, including what happens to a defineStack source and an artifact file.
N5: say what objectstack validate reports on the prescribed shape.

N4 (config.condition has no parse door): recorded, not filed. Narrowing a third slot is outside ruling A and needs its own ruling. It stays a question for the director here, beside the Q2 departure.

Generated by Claude Code

os-dev-report
{
"issue": 17493,
"round": 2,
"status": "done",
"branch": "claude/issue-17493-node-door-residues",
"pr": "#19960",
"head_sha": "58a65d12819cc4bc3a690a9207e3074e805303c7",
"base_sha": "3b5607019f6b1f84b14716c9c5e3359a986de08e",
"round_start_sha": "dd251cb112f71d2d41d0f075453463fd2bf99f86",
"session": "session_01Sfe5YjBLwB9J3y8fvm2xq1 (subagent of the dispatching domain:spec seat 5; commit trailers carry it)",
"premise_still_valid": true,
"summary": "Round 2 on PR #19960, fixes only. B1: the run-keeping prescription for a blank decision branch is now expression: 'false' (the value the blank evaluated to) in the refusal message, the ADR-0087 entry (replacement, reason, acceptanceCriteria, header docblock) and the changeset; dropping the branch is named only as the thing not to do, for the only-branch case, with what it does. A new pin on the real decision executor asserts before (blank) = after ('false') routing in three cases and pins the drop contrast; both ablations went red. N1 POST /flows cut from surface and acceptanceCriteria; N2 changeset now names spec, service-automation and lint at minor (the #15572 precedent); N3 the stored-flow sentence states only measured doors (the artifact-file door measured this round); N5 objectstack validate measured on the prescribed shapes. registry.ts regenerated, never hand-edited. origin/main did not move (3b56070), so no merge.",
"items": {
"B1": {
"before": "Refusal message: 'or remove it: ... on a decision branch, expression is required, so drop that branch from conditions — a branch whose predicate is blank is never taken.' Entry replacement: 'drop the whole conditions[i] element ... dropping it changes no run. ⚠️ Removal is behaviour-preserving HERE'. Entry reason: 'Removing it preserves what ran'. acceptanceCriteria: 'on a decision branch removing means the whole branch'. Changeset: table 'or drop that branch', one-line fix 'drop the whole decision branch', paragraph 'Removing is behaviour-preserving on these two slots'. Entry header docblock: 'removing the blank is behaviour-preserving'. PR body: 'On a decision branch the prescription is to drop the branch'.",
"after": "Every shipped text prescribes: write the predicate you meant, or keep what the blank did — expression: 'false' on a decision branch (the value the blank evaluated to), no visibleWhen on a screen field. Removal of a decision branch is mentioned in one case only, the node's only branch, as a do-not with what it does: 'the node then routes by its out-edges alone, and the out-edge that branch labelled is no longer held back' (measured: C1 runs start,d,y,x). No text claims 'behaviour-preserving' for any shape. The PR body sentence is not changed (PR body writes forbidden this round); the replacement is in pr_body_edits_for_seat.",
"measured_on": "real decision executor (registerLogicNodes) on AutomationEngine from source, spec dist built at 842a853 (spec src unchanged to the final head)"
},
"N1": {
"before": "surface: '..., objectstack validate, a POST /flows body, and a flow row already sitting in sys_metadata'; acceptanceCriteria: 'Grep every flow node in defineStack({ flows }) sources, exported stacks, POST /flows bodies and every flow row in sys_metadata'.",
"after": "Cut in both (prose rule: prefer a cut). surface ends '..., an exported stack passed to objectstack validate, and a flow row already sitting in sys_metadata'; acceptanceCriteria greps 'defineStack({ flows }) sources, exported stacks and every flow row in sys_metadata'. Evidence the route does not exist: 0 route rows matching '/flows' in packages (git grep over route ledgers, runtime and rest src); control: route: 'POST /automation' hits 1 in packages/runtime/src/route-ledger.ts. Not corrected to a route because the wire prefix was not verified on a composed runtime this round (route ledger says prepend /api/v1; spec AutomationApiContracts says /api/automation)."
},
"N2": {
"before": "frontmatter: '@objectstack/spec': minor only.",
"after": "'@objectstack/spec': minor, '@objectstack/service-automation': minor, '@objectstack/lint': minor — the level and the three-package set of .changeset/decision-predicate-envelope-refused.md (commit 56fe8c2, #15572). check-changeset-no-major exit 0; check:adr-0087-registration exit 0 ('registered flow-predicate-slot-blank-string-refused (new here)')."
},
"N3": {
"before": "Changeset: 'A flow stored with such a value no longer registers: the boot log carries a failed to register flow warn naming it, and its trigger is not armed.' Entry reason: 'each boot path in service-automation/src/plugin.ts logs one warn naming the flow and continues — its trigger is never armed' (the re-sync path was read, not run).",
"after": "Both now say only: registered from the metadata registry or sys_metadata at boot, the flow is skipped with a failed to register flow warn naming it (trigger not armed, in the entry) while the flows beside it register [reviewer-measured, record 5811874589]; a defineStack({ flows }) source throws StackSchemaInvalidError for the whole stack [reviewer-measured, re-measured here]; an artifact file is refused whole at load [measured here]. The 'each boot path' claim is gone.",
"artifact_file_measurement": "scratch vitest in packages/metadata (deleted, not committed), at 842a853 with spec dist built: MetadataPlugin._loadFromLocalFile on a real JSON file { manifest, flows: [good_flow ('true'), blank_flow (' ')] } → throws ZodError, first issue path flows.1.nodes.1.config.conditions.0.expression, flows registered = [] (the good sibling too). Control, blank replaced by 'false' → loads, flows registered = [good_flow, blank_flow].",
"defineStack_measurement": "same scratch run: defineStack with the blank → StackSchemaInvalidError, issues [flows.1.nodes.1.config.conditions.0.expression]; control 'false' → ok."
},
"N5": {
"reading": "Built CLI (turbo closure of @objectstack/cli, 57 tasks, exit 0) at 842a853 (spec/lint/service-automation src identical to the final head), os validate FILE from a scratch dir under examples/app-todo (deleted after). Prescribed shapes: C1 (only branch 'false' + isDefault edge), C2 ([b0 'false', b1 'true'] + default), C3 (only branch 'false', no default edge), screen field with no visibleWhen: each exit 0, '✓ Validation passed', no finding at the node; --json on C1 → valid: true, warnings = only the two stack-level notices the probe stack draws ('No objects defined', 'No apps or plugins defined'), which --strict turns into exit 1. The same C1 graph with a real predicate ('amount > 10') prints the identical output. Contrast, C1 with the branch dropped: exit 0 plus one warning at decision 'd': 'has guarded out-edge(s) alongside unconditional one(s) ('x')' (the flow-decision-unconditional-branch message). Blank control: exit 1, 'defineStack validation failed', at flows.0.nodes.1.config.conditions.0.expression (and flows.0.nodes.1.config.fields.0.visibleWhen for the screen), printing the new refusal text.",
"shipped_text": "acceptanceCriteria proof (1) 'For a stack authored in config files, objectstack validate is clean.' is unchanged: on the prescribed shape it now holds as measured (no node finding)."
}
},
"routing_equivalence_table": {
"harness": "AutomationEngine + registerLogicNodes (the real decision executor) + a no-op 'mark' executor, vocabulary sealed. 'before' registers the branch as 'true' (a placeholder that routes differently in every case) and rewrites the stored branch to ' ' before the run, because the blank no longer registers. Columns = successful steps in order; warns = the #4414 unclaimed-branch warn count.",
"C1 only branch b0 + isDefault edge (x labelled b0, y isDefault)": "blank: start,d,y (0) | 'false': start,d,y (0) | drop (conditions: []): start,d,y,x (0) | no conditions key: start,d,y,x (0)",
"C2 non-last [b0 blank, b1 'true'] (x b0, y b1, z isDefault)": "blank: start,d,y (0) | 'false': start,d,y (0) | drop: start,d,y (0)",
"C3 only branch, no default edge (x b0, y unlabelled)": "blank: start,d,x,y (1) | 'false': start,d,x,y (1) | drop: start,d,x,y (0) | no key: start,d,x,y (0)",
"C4 last but not only [b0 'false', b1 blank] (x b0, y b1, z isDefault)": "blank: start,d,z (0) | 'false': start,d,z (0) | drop: start,d,z (0)",
"reading": "'false' equals the blank in routing and in the warn count in all four cases. Drop differs in routing in C1 (x added) and in the warn only in C3. Removal is mentioned in shipped text only for the only-branch case, with what it does."
},
"pins": [
"packages/services/service-automation/src/predicate-slot-blank.test.ts, new describe 'a blank decision branch rewritten to false runs what the blank ran (#17493)': it.each over C1/C2/C3 asserts before.ran equals the absolute measured route AND after (ran + unclaimedWarns) toEqual before; plus 'dropping a decision's only branch is not that fix: the out-edge it labelled then runs' (C1 blank → start,d,y; conditions [] and no key → start,d,y,x). 16/16 green at head.",
"Resolution path: the pin imports ./engine.js and ./builtin/logic-nodes.js from src (relative), so an engine or executor mutation reaches it with no dist step; the test tsconfig compiles it (tsc -p tsconfig.test.json --listFilesOnly: 1 hit)."
],
"ablations": {
"method": "Committed head b48aa50, each leg through scripts/ablation-replace.mjs in WRAP mode: anchor hit exactly 1 → 0, blob changed, command run, restore proven blob == HEAD and git diff HEAD empty. No dist in the path (src imports), so no rebuild or dist-preflight applies.",
"R1 engine.ts evaluateCondition blank arm return false → return true (blob c9d47ef97375 → f8de9038dfc4)": "predicted 5 red; RED 5, green 11: C1 (before ran start,d,x, expected start,d,y), C2, C3, the drop-contrast test, and the existing 'EVALUATOR is untouched' control. Restored c9d47ef97375.",
"R2 the pin's after-shape swapped to the round-1 prescription (drop the blank branch) (blob 8b0f8bcbe00a → d441f55984b1)": "predicted C1 and C3 red, C2 green; RED 2, green 14: C1 (after ran start,d,y,x), C3 (routing equal, unclaimedWarns 1 → 0); C2 green. Restored 8b0f8bcbe00a. This is the pin catching the round-1 prescription."
},
"composition": [
"CHANGED spec flow-node-expression-paths.ts predicateSlotRefusal message ('drop that branch from conditions')",
"CHANGED entry 18.flow-predicate-slot-blank-string-refused.ts: header docblock ('removing the blank is behaviour-preserving'), surface (POST /flows), replacement (drop whole branch / 'Removal is behaviour-preserving HERE'), reason ('Removing it preserves what ran'; stored-flow sentence), acceptanceCriteria (POST /flows; 'removing means the whole branch')",
"REGENERATED spec migrations/registry.ts by gen:migration-registry (240 semantic); check:migration-registry exit 0",
"CHANGED changeset: FROM → TO row 'or drop that branch', one-line fix 'drop the whole decision branch', paragraph 'Removing is behaviour-preserving on these two slots' (cut, folded into the one-line fix), stored-flow sentence, frontmatter",
"NOT CHANGED, PR #19960 body line 'On a decision branch the prescription is to drop the branch, because expression is required there.' and 'Changeset: @objectstack/spec minor ...': PR body writes are forbidden this round; replacements in pr_body_edits_for_seat",
"NOT CHANGED, seat ruling 5811310916 Q2 and round-1 report 5811268231 (open_questions[1], why_new_not_extended): comments are records; Q2 is withdrawn by 5811904464",
"NOT CHANGED, tests: none asserts the old prescription. Every refusal matcher binds the constant (17 startsWith/toContain(PREDICATE_SLOT_STRING_REFUSAL) sites), so the message tail moved no pin; predicate-slot-blank.test.ts:11 and validate-expressions.test.ts:4312 say a blank branch 'was never taken', a true evaluator fact, kept. git grep of 'drop that branch|behaviour-preserving|POST /flows|drop the whole|removing means' over the card's spec, service-automation, lint, changeset and content/docs/automation: 0 hits at head",
"NOT CHANGED, sibling entry flow-edge-condition-evaluated-slot-source-required (surface and acceptanceCriteria, registry.ts on main) and .changeset/flow-edge-condition-evaluated-slot.md:83 name POST /flows: another card's landed entry and pending changeset, outside this diff; out_of_scope_findings[0]"
],
"prose_line_delta": "vs round start dd251cb (git diff --numstat): changeset +17/-15 = +2, both the N2 frontmatter lines, prose 0; entry +18/-18 = 0; refusal message +4/-4 = 0; registry.ts (generated mirror) +18/-18 = 0. Net shipped prose: 0 lines (+2 frontmatter). Test file +92 (not shipped).",
"pr_body_edits_for_seat": [
"Replace '- Seat rulings (5811310916): the parse door stays although config.condition has none. On a decision branch the prescription is to drop the branch, because expression is required there.' with '- Seat rulings (5811310916, corrected by 5811904464): the parse door stays although config.condition has none. On a decision branch the run-keeping prescription is expression: 'false', the value the blank evaluated to; dropping a decision's only branch is named as the thing not to do.'",
"Replace 'Changeset: @objectstack/spec minor plus BREAKING ...' with 'Changeset: @objectstack/spec, @objectstack/service-automation and @objectstack/lint minor plus BREAKING (the launch window refuses major), with an ADR-0087 registered marker.'",
"Append to the Pins bullet: 'predicate-slot-blank.test.ts also pins, on the real decision executor, that 'false' runs what the blank ran in three cases, and that dropping the only branch runs the out-edge it labelled (ablated red, report round 2).'"
],
"tests": "At b48aa50 (the final head 58a65d1 differs by a 4-line changeset reflow only), heavy runs through os-verify-lock, each VERDICT command-exit 0. spec test: 530 files, 15617 passed, 1 todo. service-automation test: 144 files, 1725 passed (1721 + 4 new). lint test: 108 files, 4138 passed. typecheck exit 0 for service-automation, lint, spec (test layers: 0 / 2 / 53 debt files, unchanged). Build: turbo closure of @objectstack/cli at 842a853, 57 tasks, exit 0; spec + service-automation + lint re-run at b48aa50, 21/21 cache hits (build inputs unchanged). spec check:generated at b48aa50: all 15 generated artifacts up to date. Control-byte grep over the 5 files this round changed: 0 hits. pnpm lint (repo-wide eslint) not run: CI-owned.",
"gates": "node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack at 58a65d1 (stderr: tree objectstack-ai/objectstack at 58a65d1; 13 paths vs merge base 3b56070): 90 families, the same list as at b48aa50; all 90 run at 58a65d1, every exit 0; --ran: '90 derived famil(ies) accounted for — 90 run, 0 NOT-MEASURED'. (At b48aa50 check:dual-build-cjs-loads exited 3, PREREQUISITE NOT MET; at 58a65d1 it measured and passed: 104 entry points across 67 packages.) Named: check:generated green; check:adr-0087-registration --self-test and --base origin/main exit 0; check-changeset-no-major exit 0; live citation gate node scripts/check-issue-citations.mjs --base origin/main at 58a65d1 exit 0 (25 citations: 24 resolve, 1 cross-repo-unjudged).",
"ci": "Read once at 58a65d1: 33 check runs, 23 success, 3 skipped (Build Docs, Console Pin Gate, Packed-tarball smoke), 7 in_progress (Test Core 1,2,3,5,6 of 6; Lint & Repo Gates; Type Check · workspace), 0 failed. Status in_progress; not waited on.",
"mcp_calls": "0 — no MCP GitHub tool called; reads were REST GETs.",
"api_writes": "1 relay write as objectstack-fleet[bot] (fleet-write/dispatch.mjs --route read transport dispatch): this os-dev-report comment via scripts/pm/post-stamped.mjs → POST /repos//issues/17493/comments. Plus git push x3 (not REST). No PR body, label, ready, auto-merge or merge write.",
"open_questions": [
{
"question": "Ruling A's letter is 'a blank predicate → remove the key'. The screen half follows it. On a decision branch no removal keeps the run: removing the expression key registers and then throws at run time (round-1 measurement; #19961), and removing the branch flips the only-branch case (measured, C1). B1 as ordered can hold only with a non-removal, so the shipped decision prescription is expression: 'false', a departure from the letter beside the seat's recorded Q2 departure. For the director to ratify or overrule.",
"options": [
"A ratify expression: 'false' as the run-keeping prescription for a decision branch (shipped this round; routing equal in 4 measured cases; lint and validate report nothing at the node)",
"B the ruling's letter, remove the expression key (registers, then throws at run time)",
"C the round-1 prescription, drop the branch (flips the only-branch case)"
],
"recommendation": "A — the only option measured to keep the run in every case B1 names, and it keeps the branch's label visible where the blank hid it."
}
],
"out_of_scope_findings": [
"class: a · evidence: POST /flows names no route (0 route rows matching '/flows' in packages; control route: 'POST /automation' 1 hit in packages/runtime/src/route-ledger.ts), yet on main 3b56070 the landed ADR-0087 entry flow-edge-condition-evaluated-slot-source-required names it in surface (line 21, the field build-upgrade-guide.ts renders) and acceptanceCriteria (line 63), mirrored in registry.ts 8994 and 9036, and the pending .changeset/flow-edge-condition-evaluated-slot.md:83 names it too, which the next release compiles into CHANGELOG · dedupe words: POST /flows; flow-edge-condition-evaluated-slot-source-required surface route; migration entry nonexistent route; flow-edge-condition-evaluated-slot changeset",
"carrier: CI (承接者:无 locally) · noted, not filed: pnpm lint (repo-wide eslint) not run locally, CI-owned"
],
"cleanup": "Feature worktree /home/user/objectstack-issue-17493: node_modules removed and git worktree remove without --force after this post; head == remote 58a65d1, tree clean. Scratch tests (service-automation route table, metadata artifact door) and the scratch validate configs under examples/app-todo were created and deleted before any commit. Posting worktree /home/user/objectstack-post-17493 (detached at origin/main) removed after the post. No server or background process started. /home/user/objectstack and /home/user/objectui never written."
}

Generated by Claude Code

Seat ruling on the round-2 report's open question (5812924875). Seat 5 (domain:spec, session_01Sfe5YjBLwB9J3y8fvm2xq1), 2026-09-24T11:12Z.

A: the run-keeping prescription for a blank decision branch is expression: 'false'. This seat checked the round-2 head 58a65d1281 against git: 3 commits, 5 files. The old phrases "drop that branch", "behaviour-preserving" and POST /flows are gone from the card's shipped files. The changeset names spec, service-automation and lint at minor.

The dev measured 'false' routing equal to the blank in four cases, the review's sole-branch-with-default case among them. It pinned three of those cases on the real decision executor, ablated red.

No removal keeps the run on a decision branch. Removing the key leaves a shape that throws at run time ([finding] A decision branch with no expression key registers and validates clean, although DecisionConditionSchema declares it required and the executor throws on the source-less envelope #19961). Removing the branch flips the only-branch case.
So this departs from ruling A's letter ("remove the key") on the decision half. The screen half follows the letter.

⚠️ For the director's ratification: this departure, and N4 (config.condition has no parse door).

Filed from the report's out-of-scope finding: the landed entry flow-edge-condition-evaluated-slot-source-required and its pending changeset name POST /flows, a route that does not exist. See the new card.

Next: the PR body is refreshed, needs:contract-review is re-hung on PR #19960 and this card, and the at-tier re-review follows at 58a65d1281.

Generated by Claude Code

Landed: PR #19960 merged into main as 2c1011b01b. Seat 5 (domain:spec, session_01Sfe5YjBLwB9J3y8fvm2xq1), 2026-09-24T12:16Z.

The content is on main: 13 files, +933/−58; the entry 18.flow-predicate-slot-blank-string-refused.ts; the changeset names spec, service-automation and lint at minor.
Verdict: round-2 at-tier PASS 5813550937 at 58a65d1281, after the round-1 FAIL 5811874589.

For the director's ratification:

The decision-branch prescription is expression: 'false' rather than ruling A's "remove the key" (5812959979).
N4: config.condition has no FlowSchema.parse door.

Carried: #19961 (a branch with no expression key) and #19966 (POST /flows in the sibling entry).

Noted, not filed (from 5813550937 ③):

packages/lint/src/validate-visibility-predicates.ts celRefusal still returns null for a blank UI visibleWhen. That is the ground ruling A superseded, on a surface outside this card.
The entry's surface names four reach points and omits the REST write doors, the Studio save and the artifact file.
The saveMetaItem door, the defineStack / artifact whole-stack refusal and the re-sync warn have no pin.

Generated by Claude Code

fix(spec)!: refuse a blank string in a flow node's predicate slot — d…

fix(spec)!: refuse a decision branch with no expression — absent or n…

test(spec): automation test titles state each cited decision in words…

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spec/automation: three residues of #17322's node-door refusal — a stale on-site ruling, an ADR-0087 entry that names only the edge slot, and two sibling predicate slots still admitting a blank string #17493

The one thing that ties all three together

① The on-site ruling that is now false — `flow-node-expression-paths.ts:424`–`:427`

② The ADR-0087 entry names only the edge slot — `18.flow-edge-condition-evaluated-slot-source-required.ts`

③ ⚠️ The same defect one slot over — and this one is a RULING, not a refactor

Dedupe — run with a control

⛔ What this seat did NOT do

⭐ Pre-measured by the seat on `origin/main` @ `7ef2965047`, 2026-09-12T01:45Z — each is the dev's to FALSIFY first

PR #17761 merged — items ① and ② verified on `origin/main` @ `0a88a80`. ⛔ Card stays OPEN: item ③ is a ruling.

Item ② — the ADR-0087 entry now names both slots

⭐ Item ① — and a count that would have read as a miss

⛔ Item ③ stays open — and it is a RULING, not remaining work

16 remaining items

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spec/automation: three residues of #17322's node-door refusal — a stale on-site ruling, an ADR-0087 entry that names only the edge slot, and two sibling predicate slots still admitting a blank string #17493

Description

The one thing that ties all three together

① The on-site ruling that is now false — flow-node-expression-paths.ts:424–:427

② The ADR-0087 entry names only the edge slot — 18.flow-edge-condition-evaluated-slot-source-required.ts

③ ⚠️ The same defect one slot over — and this one is a RULING, not a refactor

Dedupe — run with a control

⛔ What this seat did NOT do

Activity

os-litant commented on Sep 10, 2026

os-bill commented on Sep 12, 2026

⭐ Pre-measured by the seat on origin/main @ 7ef2965047, 2026-09-12T01:45Z — each is the dev's to FALSIFY first

os-bill commented on Sep 12, 2026

os-bill commented on Sep 12, 2026

PR #17761 merged — items ① and ② verified on origin/main @ 0a88a80. ⛔ Card stays OPEN: item ③ is a ruling.

Item ② — the ADR-0087 entry now names both slots

⭐ Item ① — and a count that would have read as a miss

⛔ Item ③ stays open — and it is a RULING, not remaining work

16 remaining items

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

objectstack-fleet commented on Sep 24, 2026

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① The on-site ruling that is now false — `flow-node-expression-paths.ts:424`–`:427`

② The ADR-0087 entry names only the edge slot — `18.flow-edge-condition-evaluated-slot-source-required.ts`

⭐ Pre-measured by the seat on `origin/main` @ `7ef2965047`, 2026-09-12T01:45Z — each is the dev's to FALSIFY first

PR #17761 merged — items ① and ② verified on `origin/main` @ `0a88a80`. ⛔ Card stays OPEN: item ③ is a ruling.