backlog: draft TASK-5/6/14 (need design/rescoping) -> DRAFT-7/8/9; retarget dangling deps

Author: ahrzb

…ve-swap-native-per-transformer-Tier-0.md …ve-swap-native-per-transformer-Tier-0.mdbacklog/tasks/task-5 - Native-swap-native-per-transformer-Tier-0.md renamed to backlog/drafts/draft-7 - Native-swap-native-per-transformer-Tier-0.md backlog/tasks/task-5 - Native-swap-native-per-transformer-Tier-0.md renamed to backlog/drafts/draft-7 - Native-swap-native-per-transformer-Tier-0.md

@@ -1,10 +1,10 @@
 ---
-id: TASK-5
+id: DRAFT-7
 title: 'Native-swap: native per-transformer (Tier 0)'
-status: To Do
+status: Draft
 assignee: []
 created_date: '2026-07-18 13:44'
-updated_date: '2026-07-23 00:52'
+updated_date: '2026-07-23 01:01'
 labels:
   - sklearn
   - native-swap
@@ -45,4 +45,10 @@ created: 2026-07-23 00:37
 ---
 Dispatch retracted — AmirHossein stopped it. New convention: PM proposes assignments, AmirHossein green-lights each dispatch explicitly before any dev is messaged.
 ---
+
+author: Iris (PM)
+created: 2026-07-23 01:01
+---
+Moved to Draft (2026-07-23): native per-transformer swap needs design work — not a well-scoped task yet. Re-scope + re-promote to a TASK before dispatch. AmirHossein's call.
+---
 <!-- COMMENTS:END -->

… - ColumnTransformer-assembly-surface.md … - ColumnTransformer-assembly-surface.mdbacklog/tasks/task-6 - ColumnTransformer-assembly-surface.md renamed to backlog/drafts/draft-8 - ColumnTransformer-assembly-surface.md backlog/tasks/task-6 - ColumnTransformer-assembly-surface.md renamed to backlog/drafts/draft-8 - ColumnTransformer-assembly-surface.md

@@ -1,16 +1,16 @@
 ---
-id: TASK-6
+id: DRAFT-8
 title: ColumnTransformer assembly surface
-status: To Do
+status: Draft
 assignee: []
 created_date: '2026-07-18 13:44'
-updated_date: '2026-07-23 00:57'
+updated_date: '2026-07-23 01:02'
 labels:
   - sklearn
   - fallback
 milestone: m-1
 dependencies:
-  - TASK-5
+  - DRAFT-7
 documentation:
   - doc-2 (sklearn transformer implementation plan)
   - 'doc-10 (Feature-output model — records, dense, sparse)'
@@ -30,3 +30,13 @@ Column routing + horizontal concat; the end-to-end assembly-parity oracle: bit-i
 - [ ] #2 Includes a multi-output transformer (variable-width concat + feature-name expansion exercised)
 - [ ] #3 Provenance/feature-names survive routing + concat in order
 <!-- AC:END -->
+
+## Comments
+
+<!-- COMMENTS:BEGIN -->
+author: Iris (PM)
+created: 2026-07-23 01:01
+---
+Moved to Draft (2026-07-23): ColumnTransformer assembly surface needs design work — not well-scoped yet. Depends on the native-transformer draft (was TASK-5). Re-scope before promoting.
+---
+<!-- COMMENTS:END -->

…R-materializer-width-invariant-assert.md …R-materializer-width-invariant-assert.mdbacklog/tasks/task-14 - Feature-output-sparse-COO-struct-column-CSR-materializer-width-invariant-assert.md renamed to backlog/drafts/draft-9 - Feature-output-sparse-COO-struct-column-CSR-materializer-width-invariant-assert.md backlog/tasks/task-14 - Feature-output-sparse-COO-struct-column-CSR-materializer-width-invariant-assert.md renamed to backlog/drafts/draft-9 - Feature-output-sparse-COO-struct-column-CSR-materializer-width-invariant-assert.md

@@ -1,12 +1,12 @@
 ---
-id: TASK-14
+id: DRAFT-9
 title: >-
   Feature output: sparse COO struct column + CSR materializer + width-invariant
   assert
-status: To Do
+status: Draft
 assignee: []
 created_date: '2026-07-18 15:52'
-updated_date: '2026-07-23 00:52'
+updated_date: '2026-07-23 01:01'
 labels:
   - feature-output
 milestone: m-1
@@ -29,3 +29,13 @@ Per-row sparse feature = Arrow struct<indices: list<int32>, values: list<float64
 - [ ] #2 N/unseen-key sourced from the fitted transform; shape pinned (n,N)
 - [ ] #3 width-invariant assert fails on batch-width drift
 <!-- AC:END -->
+
+## Comments
+
+<!-- COMMENTS:BEGIN -->
+author: Iris (PM)
+created: 2026-07-23 01:01
+---
+Moved to Draft (2026-07-23): sparse COO column is super-low priority AND needs design work. Parked as a draft until scoped.
+---
+<!-- COMMENTS:END -->

backlog/tasks/task-16 - Feature-output-type-directed-assembler-dense-sparse-in-one-SELECT.md

@@ -4,12 +4,12 @@ title: 'Feature output: type-directed assembler (dense + sparse in one SELECT)'
 status: To Do
 assignee: []
 created_date: '2026-07-18 15:52'
-updated_date: '2026-07-23 00:57'
+updated_date: '2026-07-23 01:02'
 labels:
   - feature-output
 milestone: m-1
 dependencies:
-  - TASK-14
+  - DRAFT-9
 documentation:
   - 'doc-10 (Feature-output model — records, dense, sparse)'
 priority: medium
@@ -27,3 +27,13 @@ One SELECT compiles to dense(+)sparse via type-directed decompose+assemble: spli
 - [ ] #1 one SELECT yields a mixed dense+sparse feature set, materialized correctly
 - [ ] #2 ColumnTransformer used internally for hstack/densify, not exposed
 <!-- AC:END -->
+
+## Comments
+
+<!-- COMMENTS:BEGIN -->
+author: Iris (PM)
+created: 2026-07-23 01:02
+---
+Dependency retargeted: the sparse-COO prerequisite (was TASK-14) is now DRAFT-9 — parked as a draft pending design. So TASK-16 is effectively blocked on unscoped work; it can't finish until DRAFT-9 is scoped, promoted, and done.
+---
+<!-- COMMENTS:END -->