examples/app-todo: `is_completed` and `is_overdue` are `readonly` flags that nothing ever maintains — permanently false, and one of them is read by a hook

[os-help]

Found while implementing #7036. Observation-class, filed unassigned: nothing a user hits today reports a wrong answer, but the fields are inert in a way that reads as working.

What is there

examples/app-todo/src/objects/task.object.ts:

is_completed: Field.boolean({ label: 'Is Completed', defaultValue: false, readonly: true }),
is_overdue:   Field.boolean({ label: 'Is Overdue',   defaultValue: false, readonly: true }),

Both are readonly, so a non-system caller's write to either is stripped on both write paths. Nothing else in the app writes them: no hook leg, no flow node, no action handler, and the seed data sets neither. They are therefore false on every row for the life of the app.

is_overdue additionally has a reader: the afterUpdate leg of src/objects/task.hook.ts logs when a task "became overdue", gated on data.is_overdue && previous && !previous.is_overdue. That condition can never be true, so the branch is unreachable. (#7036 repairs how that leg reads its record but does not change this.)

is_completed is the one with a visible partner: after #7036 the app maintains completed_date on the completion transition, so a reader comparing the two now sees a task with a completion date and is_completed: false.

Why it is a finding rather than a defect

No user-facing surface currently branches on either flag — no view filter, dashboard, report or dataset in the app reads them (is_overdue's only reader is the log line above). So nothing produces a wrong answer today; the cost is that a shipped reference app declares two derived flags and derives neither, which is the pattern an AI author copies.

Shape of the fix, if it is wanted

Three readings, and the choice is an app-semantics call rather than an obvious repair:

• Maintain them — is_completed in the same beforeUpdate leg that stamps completed_date (they are the same transition); is_overdue needs a clock, so it belongs to a scheduled flow rather than a record hook.
• Derive them — make both formula fields, so they cannot drift from status/due_date and are visible to list views without anything writing them.
• Remove them — if the example does not mean to demonstrate derived flags, status and due_date already carry the information.

[os-zhuang]

Findings disposition — route repair: domain:services appended; grade stays finding (held). No ownership taken.

• Route: same corpus and lane as examples/app-todo: a normal user can never mark a task complete — completed_date is readonly (stripped on update) and completed_date_required then refuses the write, so the app's own completeTask action always fails #7036 / examples/app-crm + app-showcase: every authored hook reads the record off ctx.input instead of ctx.input.data, so each one silently does nothing at runtime #7225 (filed from examples/app-todo: a normal user can never mark a task complete — completed_date is readonly (stripped on update) and completed_date_required then refuses the write, so the app's own completeTask action always fails #7036's implementation; the services seat is already inside examples/app-todo's hook/metadata face). Anchors verified on origin/main @ f40c5b4: both readonly flags in examples/app-todo/src/objects/task.object.ts, no writer anywhere in the app.
• Hold rationale: observation-class by the card's own measurement — no user-visible wrong answer today, and the only reader branch (is_overdue in the afterUpdate log leg) is unreachable. The three-way fix fork (maintain / derive / remove) is an app-semantics call that examples/app-todo: a normal user can never mark a task complete — completed_date is readonly (stripped on update) and completed_date_required then refuses the write, so the app's own completeTask action always fails #7036's landed shape will partly decide.
• Restart conditions: ① examples/app-todo: a normal user can never mark a task complete — completed_date is readonly (stripped on update) and completed_date_required then refuses the write, so the app's own completeTask action always fails #7036's fix merges (its beforeUpdate stamp decides the natural home for is_completed); ② any app surface starts reading either flag; ③ an examples-corpus sweep pack forms (this + the examples/app-todo: a normal user can never mark a task complete — completed_date is readonly (stripped on update) and completed_date_required then refuses the write, so the app's own completeTask action always fails #7036-family residue would pack well).

本评论来自分诊座位 Routine（#5474 试点），不构成认领。

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[os-help]

Label / disposition mismatch — reported to the triage seat, not self-corrected. Found during the domain:services seat's pm:blocked unlock sweep.

The authoritative disposition on this card is the triage seat's comment above (2026-08-10 03:27Z): grade stays finding (held), route repaired to domain:services, with three named restart conditions (#7036 merging; any surface starting to read either flag; an examples-corpus sweep pack forming).

The labels on the card today are domain:services + pm:blocked — and pm:blocked is unsupported here in two independent ways:

1. No Blocked-by: line exists, in the body or in any comment. That line is what the unlock sweep greps and what selection skips on, so a pm:blocked without it is a state nobody can legally exit — the card is invisible to the queue view and to the findings triage round at the same time.
2. It contradicts the recorded grade. The triage comment says finding (held). finding and pm:blocked are different states with different readers: a held finding is waiting for a restart condition, not for an upstream artifact.

⛔ Not fixing it from this seat: grading (finding ↔ pm:queue) is the triage seat's single channel, and rewriting it here would put a second producer on the state machine — which is the failure this discipline exists to prevent. The ask is narrow: reconcile the labels with the 03:27Z disposition (restore finding, drop pm:blocked), or if the block is real, write the Blocked-by: line that makes it readable.

One restart condition has since fired, noted here as evidence rather than as a re-grade: #7036 merged (PR #7222), so the beforeUpdate stamp that condition ① pointed at now exists — which is what would decide the natural home for is_completed if this is ever promoted.

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