@@ -107,6 +107,8 @@ const result = CurrencyConfigSchema.parse(data);
 | **readonlyWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is read-only when TRUE. e.g. P`record.status == 'paid'`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every update that writes the field — `objectstack validate` refuses it. Put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. |
 | **requiredWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is required when TRUE. A TRANSITION GATE, not an invariant: the write is refused only when the merged record violates the requirement AND the pre-write record complied — so the write that flips the predicate TRUE, an INSERT born inside the gate, and a write that clears the cell are all refused, while a row that was already missing the value keeps passing unrelated edits and state moves that stay inside the gate (ADR-0113 non-regression: adding the rule to a deployed object never bricks existing rows). Need an invariant every write must satisfy instead ('X may never exceed Y') — declare a `validations[]` `script` rule, which re-checks the merged record with no exemption. Enforced by `evaluateValidationRules`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every write that reaches it — `objectstack validate` refuses it; put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. The only slot; the `conditionalRequired` alias was removed in protocol 17. |
 | **conditionalRequired** | `never` | optional | [REMOVED] `conditionalRequired` was removed in @objectstack/spec 17 — use `requiredWhen`. Rename the key; the value (a CEL predicate) is unchanged. Run `os migrate meta --from 16` to list the mechanical edits for existing sources; `--write` applies the ones it can prove, and you apply the rest by hand. |
+| **dueLike** | `boolean` | optional | Deadline semantic (`date` / `datetime` only): TRUE declares this date a deadline, so a renderer may show relative overdue wording ("Overdue 3d") and an overdue colour once it has passed. Absent or FALSE: not a deadline — nothing is inferred from the field's name. Pair with `settledWhen` to say when the deadline is settled for a record. Refused on any other type. Display only: nothing on the write path reads it. |
+| **settledWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — the deadline is SETTLED while TRUE: no overdue wording or colour applies to this record, e.g. P`record.status == 'done'`. Evaluated per record like `visibleWhen`, reading the record's own columns as `record`. Requires `dueLike: true` on a `date` / `datetime` field; refused otherwise. Display only: nothing on the write path reads it. |
 | **widget** | `string` | optional | Form widget override — names a registered field component (resolved as `field:<widget>`) to render this field instead of the `type` default. Degrades to the `type` renderer when unregistered. e.g. "object-ref", "filter-condition", "recipient-picker". |
 | **hidden** | `boolean` | optional (default: `false`) | Hidden from default UI |
 | **internal** | `boolean` | optional | Never return this field's value on the generic data path — the engine OMITS the key from `find`/`findOne` results, the 201 create body and the by-id update body, on the default projection AND when a client names the field in `?select=`. Storage, filtering and indexing are untouched, so a server-side verifier can still match on the column and a purpose-built mint route can still return the value once at creation. The read protection for ADR-0100's third credential channel (auth-subsystem one-way hashes on `text` columns). Omission, not masking: a mask signals 'a value is set', which carries no information on a `required` column. |
 
@@ -272,6 +272,8 @@ const result = ApiMethod.parse(data);
 | **readonlyWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is read-only when TRUE. e.g. P`record.status == 'paid'`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every update that writes the field — `objectstack validate` refuses it. Put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. |
 | **requiredWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is required when TRUE. A TRANSITION GATE, not an invariant: the write is refused only when the merged record violates the requirement AND the pre-write record complied — so the write that flips the predicate TRUE, an INSERT born inside the gate, and a write that clears the cell are all refused, while a row that was already missing the value keeps passing unrelated edits and state moves that stay inside the gate (ADR-0113 non-regression: adding the rule to a deployed object never bricks existing rows). Need an invariant every write must satisfy instead ('X may never exceed Y') — declare a `validations[]` `script` rule, which re-checks the merged record with no exemption. Enforced by `evaluateValidationRules`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every write that reaches it — `objectstack validate` refuses it; put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. The only slot; the `conditionalRequired` alias was removed in protocol 17. |
 | **conditionalRequired** | `never` | optional | [REMOVED] `conditionalRequired` was removed in @objectstack/spec 17 — use `requiredWhen`. Rename the key; the value (a CEL predicate) is unchanged. Run `os migrate meta --from 16` to list the mechanical edits for existing sources; `--write` applies the ones it can prove, and you apply the rest by hand. |
+| **dueLike** | `boolean` | optional | Deadline semantic (`date` / `datetime` only): TRUE declares this date a deadline, so a renderer may show relative overdue wording ("Overdue 3d") and an overdue colour once it has passed. Absent or FALSE: not a deadline — nothing is inferred from the field's name. Pair with `settledWhen` to say when the deadline is settled for a record. Refused on any other type. Display only: nothing on the write path reads it. |
+| **settledWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — the deadline is SETTLED while TRUE: no overdue wording or colour applies to this record, e.g. P`record.status == 'done'`. Evaluated per record like `visibleWhen`, reading the record's own columns as `record`. Requires `dueLike: true` on a `date` / `datetime` field; refused otherwise. Display only: nothing on the write path reads it. |
 | **widget** | `string` | optional | Form widget override — names a registered field component (resolved as `field:<widget>`) to render this field instead of the `type` default. Degrades to the `type` renderer when unregistered. e.g. "object-ref", "filter-condition", "recipient-picker". |
 | **hidden** | `boolean` | optional (default: `false`) | Hidden from default UI |
 | **internal** | `boolean` | optional | Never return this field's value on the generic data path — the engine OMITS the key from `find`/`findOne` results, the 201 create body and the by-id update body, on the default projection AND when a client names the field in `?select=`. Storage, filtering and indexing are untouched, so a server-side verifier can still match on the column and a purpose-built mint route can still return the value once at creation. The read protection for ADR-0100's third credential channel (auth-subsystem one-way hashes on `text` columns). Omission, not masking: a mask signals 'a value is set', which carries no information on a `required` column. |
@@ -607,6 +609,8 @@ const result = ApiMethod.parse(data);
 | **readonlyWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is read-only when TRUE. e.g. P`record.status == 'paid'`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every update that writes the field — `objectstack validate` refuses it. Put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. |
 | **requiredWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — field is required when TRUE. A TRANSITION GATE, not an invariant: the write is refused only when the merged record violates the requirement AND the pre-write record complied — so the write that flips the predicate TRUE, an INSERT born inside the gate, and a write that clears the cell are all refused, while a row that was already missing the value keeps passing unrelated edits and state moves that stay inside the gate (ADR-0113 non-regression: adding the rule to a deployed object never bricks existing rows). Need an invariant every write must satisfy instead ('X may never exceed Y') — declare a `validations[]` `script` rule, which re-checks the merged record with no exemption. Enforced by `evaluateValidationRules`. Reads the bound record's OWN columns: the field level never reads a related record, so a read THROUGH a reference field (`record.account.tier`) faults on every row and refuses every write that reaches it — `objectstack validate` refuses it; put such a check in a `validations[]` `script` rule, whose `condition` is read one hop through a reference. The only slot; the `conditionalRequired` alias was removed in protocol 17. |
 | **conditionalRequired** | `never` | optional | [REMOVED] `conditionalRequired` was removed in @objectstack/spec 17 — use `requiredWhen`. Rename the key; the value (a CEL predicate) is unchanged. Run `os migrate meta --from 16` to list the mechanical edits for existing sources; `--write` applies the ones it can prove, and you apply the rest by hand. |
+| **dueLike** | `boolean` | optional | Deadline semantic (`date` / `datetime` only): TRUE declares this date a deadline, so a renderer may show relative overdue wording ("Overdue 3d") and an overdue colour once it has passed. Absent or FALSE: not a deadline — nothing is inferred from the field's name. Pair with `settledWhen` to say when the deadline is settled for a record. Refused on any other type. Display only: nothing on the write path reads it. |
+| **settledWhen** | `string \| { dialect: Enum<'cel' \| 'cron' \| 'template'>; source: string; ast?: any; meta?: object }` | optional | Predicate (CEL) — the deadline is SETTLED while TRUE: no overdue wording or colour applies to this record, e.g. P`record.status == 'done'`. Evaluated per record like `visibleWhen`, reading the record's own columns as `record`. Requires `dueLike: true` on a `date` / `datetime` field; refused otherwise. Display only: nothing on the write path reads it. |
 | **widget** | `string` | optional | Form widget override — names a registered field component (resolved as `field:<widget>`) to render this field instead of the `type` default. Degrades to the `type` renderer when unregistered. e.g. "object-ref", "filter-condition", "recipient-picker". |
 | **hidden** | `boolean` | optional (default: `false`) | Hidden from default UI |
 | **internal** | `boolean` | optional | Never return this field's value on the generic data path — the engine OMITS the key from `find`/`findOne` results, the 201 create body and the by-id update body, on the default projection AND when a client names the field in `?select=`. Storage, filtering and indexing are untouched, so a server-side verifier can still match on the column and a purpose-built mint route can still return the value once at creation. The read protection for ADR-0100's third credential channel (auth-subsystem one-way hashes on `text` columns). Omission, not masking: a mask signals 'a value is set', which carries no information on a `required` column. |