diff --git a/canon/standards/work-record-types.yaml b/canon/standards/work-record-types.yaml
index c48ccc5..c068d90 100644
--- a/canon/standards/work-record-types.yaml
+++ b/canon/standards/work-record-types.yaml
@@ -7,6 +7,7 @@ kinds:
   - kind: workplan
     id_patterns:
       - "^[A-Z][A-Z0-9]*(?:-[A-Z][A-Z0-9]*)*-WP-[0-9]{4}$"
+      - "^ADHOC-[0-9]{4}-[0-9]{2}-[0-9]{2}$"
     lifecycle: [proposed, ready, active, blocked, backlog, finished, archived]
     legacy_patterns:
       - pattern: "^MASON-0001$"
diff --git a/canon/standards/work-record-types_v0.1.md b/canon/standards/work-record-types_v0.1.md
index 802a344..d6731a1 100644
--- a/canon/standards/work-record-types_v0.1.md
+++ b/canon/standards/work-record-types_v0.1.md
@@ -58,7 +58,7 @@ attention_cost, …) extend the spine; they never replace it.
 
 | Kind | Id scheme | Meaning | Absorbs / legacy |
 | --- | --- | --- | --- |
-| `workplan` | `{PREFIX}-WP-NNNN` | structured, dependency-bearing body of work | `MASON-0001` (single bootstrap record, grandfathered) |
+| `workplan` | `{PREFIX}-WP-NNNN` · `ADHOC-YYYY-MM-DD` | structured, dependency-bearing body of work; daily container for small same-day tasks | `MASON-0001` (single bootstrap record, grandfathered) |
 | `task` | `{WP-ID}-TNN` (workplan) · `ADHOC-YYYY-MM-DD-TNN` | smallest executable unit | `MASON-0001-TNN` (grandfathered); issue-core issues become external projections only |
 | `intake` | `{PREFIX}-IN-NNNN` | spark: idea, finding, directive, request | hub suggestions (legacy, read-only close-out); `AWQ-NNN` (grandfathered) |
 | `decision` | `{PREFIX}-DEC-YYYY-NNN` | approval package + resolution | `DEC-YYYY-NNN` (binky, grandfathered as-is) |
@@ -89,6 +89,12 @@ now matches ADR-007's repository-derived prefix model; prefix ownership and
 uniqueness remain separate registry checks and are not weakened by this syntax
 correction.
 
+The same compatibility review registered `ADHOC-YYYY-MM-DD` as the workplan
+container corresponding to the already canonical
+`ADHOC-YYYY-MM-DD-TNN` task form. This aligns the machine registry with the
+fleet agent convention and existing daily records; it does not permit ad hoc
+containers to replace dependency-bearing workplans.
+
 Risk Nexus findings (`RISK-F-*`) and regulatory records (`RISK-REG-*`) are
 registered as variants of `register-entry`, not as parallel work kinds. Their
 lifecycles remain owned by the register convention. `RISK-N-*` notes are
diff --git a/tests/test_validate_work_records.py b/tests/test_validate_work_records.py
index 9d24d6b..cf79729 100644
--- a/tests/test_validate_work_records.py
+++ b/tests/test_validate_work_records.py
@@ -59,6 +59,10 @@ class TestClassify:
         assert classify("RAPP--OPENBAO-WP-0002", kinds) is None
         assert classify("1RAPP-OPENBAO-WP-0002", kinds) is None
 
+    def test_ad_hoc_daily_container_and_task_ids(self, kinds):
+        assert classify("ADHOC-2026-08-23", kinds) == "workplan"
+        assert classify("ADHOC-2026-08-23-T01", kinds) == "task"
+
     def test_new_kind_ids(self, kinds):
         assert classify("BINKY-IN-0001", kinds) == "intake"
         assert classify("BINKY-DEC-2026-001", kinds) == "decision"