diff --git a/.trellis/tasks/04-03-list-table-v2-tanstack-pretext/task.json b/.trellis/tasks/04-03-list-table-v2-tanstack-pretext/task.json
index 3d40584..b125387 100644
--- a/.trellis/tasks/04-03-list-table-v2-tanstack-pretext/task.json
+++ b/.trellis/tasks/04-03-list-table-v2-tanstack-pretext/task.json
@@ -61,9 +61,7 @@
       "description": "Fixed column pinning, pagination UI, column slots, dict/timestamp formatting, debug mode"
     }
   ],
-  "children": [
-    "04-09-json-view-virtualized-pretty"
-  ],
+  "children": [],
   "parent": null,
   "relatedFiles": [
     "packages/base/data/list-table-v2/",
diff --git a/.trellis/tasks/04-09-json-view-virtualized-pretty/check.jsonl b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/check.jsonl
similarity index 100%
rename from .trellis/tasks/04-09-json-view-virtualized-pretty/check.jsonl
rename to .trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/check.jsonl
diff --git a/.trellis/tasks/04-09-json-view-virtualized-pretty/debug.jsonl b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/debug.jsonl
similarity index 100%
rename from .trellis/tasks/04-09-json-view-virtualized-pretty/debug.jsonl
rename to .trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/debug.jsonl
diff --git a/.trellis/tasks/04-09-json-view-virtualized-pretty/implement.jsonl b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/implement.jsonl
similarity index 100%
rename from .trellis/tasks/04-09-json-view-virtualized-pretty/implement.jsonl
rename to .trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/implement.jsonl
diff --git a/.trellis/tasks/04-09-json-view-virtualized-pretty/prd.md b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/prd.md
similarity index 100%
rename from .trellis/tasks/04-09-json-view-virtualized-pretty/prd.md
rename to .trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/prd.md
diff --git a/.trellis/tasks/04-09-json-view-virtualized-pretty/task.json b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/task.json
similarity index 93%
rename from .trellis/tasks/04-09-json-view-virtualized-pretty/task.json
rename to .trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/task.json
index 2804f2b..466884e 100644
--- a/.trellis/tasks/04-09-json-view-virtualized-pretty/task.json
+++ b/.trellis/tasks/archive/2026-04/04-09-json-view-virtualized-pretty/task.json
@@ -3,7 +3,7 @@
   "name": "json-view-virtualized-pretty",
   "title": "Build virtualized json-view component",
   "description": "",
-  "status": "planning",
+  "status": "completed",
   "dev_type": "frontend",
   "scope": null,
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "hechang27-sprt",
   "assignee": "hechang27-sprt",
   "createdAt": "2026-04-09",
-  "completedAt": null,
+  "completedAt": "2026-04-10",
   "branch": null,
   "base_branch": "dev",
   "worktree_path": null,
diff --git a/.trellis/workspace/hechang27-sprt/index.md b/.trellis/workspace/hechang27-sprt/index.md
index be6d433..f3fb736 100644
--- a/.trellis/workspace/hechang27-sprt/index.md
+++ b/.trellis/workspace/hechang27-sprt/index.md
@@ -8,8 +8,8 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 20
-- **Last Active**: 2026-04-09
+- **Total Sessions**: 21
+- **Last Active**: 2026-04-10
 <!-- @@@/auto:current-status -->
 
 ---
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~841 | Active |
+| `journal-1.md` | ~874 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 21 | 2026-04-10 | json-view inline collapsed previews | `0be305f` | `dev` |
 | 20 | 2026-04-09 | Build virtualized json-view | `4be6b90`, `e161181` | `dev` |
 | 19 | 2026-04-09 | Table-v2 timestamp and alignment follow-up | `e7d26a4` | `dev` |
 | 18 | 2026-04-08 | Fix table-v2 sizing and measurement | `739ae9f`, `6f92958` | `dev` |
diff --git a/.trellis/workspace/hechang27-sprt/journal-1.md b/.trellis/workspace/hechang27-sprt/journal-1.md
index 9e2efd6..09300f0 100644
--- a/.trellis/workspace/hechang27-sprt/journal-1.md
+++ b/.trellis/workspace/hechang27-sprt/journal-1.md
@@ -839,3 +839,36 @@ Built and polished the virtualized json-view component with shared dropdown acti
 ### Next Steps
 
 - None - task complete
+
+
+## Session 21: json-view inline collapsed previews
+
+**Date**: 2026-04-10
+**Task**: json-view inline collapsed previews
+**Branch**: `dev`
+
+### Summary
+
+Added inline collapsed previews for json-view with width-aware string/array/object shortening, collapseFullyInlineNode behavior, and demo controls; also simplified the duplicated virtual/non-virtual wrapper markup.
+
+### Main Changes
+
+(Add details)
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `0be305f` | (see git log) |
+
+### Testing
+
+- [OK] (Add test results)
+
+### Status
+
+[OK] **Completed**
+
+### Next Steps
+
+- None - task complete