diff --git a/AGENTS.md b/AGENTS.md
deleted file mode 100644
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--- a/AGENTS.md
+++ /dev/null
@@ -1,4 +0,0 @@
-# Agent Instructions
-
-- Never run `cargo fmt`, `rustfmt`, or any automatic source-formatting command in this repository.
-- Preserve the existing formatting and make only targeted edits.
diff --git a/COMMANDS.md b/COMMANDS.md
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index 780c90ec9..000000000
--- a/COMMANDS.md
+++ /dev/null
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-# Open CAD Studio — Command Reference
-
-Status of every standard CAD command in Open CAD Studio:
-
-- ✅ **Implemented** — fully working
-- 🔶 **Partial** — command is accepted but logic is a stub
-- ❌ **Missing** — not yet implemented
-
----
-
-## Draw
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `LINE` | L | Straight line segment | ✅ |
-| `PLINE` | PL | Polyline | ✅ |
-| `ARC` | A | Arc | ✅ |
-| `CIRCLE` | C | Circle | ✅ |
-| `ELLIPSE` | EL | Ellipse | ✅ |
-| `RECTANGLE` | REC | Rectangle | ✅ |
-| `POLYGON` | POL | Regular polygon | ✅ |
-| `XLINE` | XL | Infinite construction line | ✅ |
-| `RAY` | — | One-way infinite line | ✅ |
-| `SPLINE` | SPL | NURBS spline | ✅ |
-| `SPLINEFIT` | FITSPLINE | Fit a spline through a polyline's points | ✅ |
-| `MLINE` | ML | Multiline | ✅ |
-| `POINT` | PO | Point | ✅ |
-| `DONUT` | DO | Filled ring | ✅ |
-| `HATCH` | H | Hatch fill | ✅ |
-| `GRADIENT` | GD | Gradient fill | ✅ |
-| `BOUNDARY` | BO | Boundary polyline / region | ✅ |
-| `REVCLOUD` | — | Revision cloud | ✅ |
-| `WIPEOUT` | WO | Wipeout mask | ✅ |
-| `MTEXT` | MT | Multiline text | ✅ |
-| `TEXT` | DT | Single-line text | ✅ |
-| `TABLE` | — | Table entity | ✅ |
-| `DIVIDE` | DIV | Divide entity into equal parts | ✅ |
-| `MEASURE` | ME | Divide entity at measured intervals | ✅ |
-| `3DPOLY` | — | 3D polyline | ✅ |
-| `HELIX` | — | 3D helix | ✅ |
-| `TRACE` | — | Thick 2D line (legacy) | ✅ |
-| `SKETCH` | — | Freehand sketch | ✅ |
-| `SOLID` | SO | Filled 2D shape (legacy) | ✅ |
-| `MINSERT` | — | Matrix block insert | ✅ |
-| `REGION` | REG | 2D closed region | ✅ |
-| `FIELD` | — | Auto-updating text field | ❌ |
-
----
-
-## Modify
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `MOVE` | M | Move | ✅ |
-| `COPY` | CO | Copy | ✅ |
-| `ROTATE` | RO | Rotate | ✅ |
-| `SCALE` | SC | Scale | ✅ |
-| `MIRROR` | MI | Mirror | ✅ |
-| `OFFSET` | O | Offset | ✅ |
-| `TRIM` | TR | Trim | ✅ |
-| `EXTEND` | EX | Extend | ✅ |
-| `STRETCH` | S | Stretch | ✅ |
-| `FILLET` | F | Fillet | ✅ |
-| `CHAMFER` | CHA | Chamfer | ✅ |
-| `ARRAY` | AR | Array | ✅ |
-| `ARRAYRECT` | — | Rectangular array | ✅ |
-| `ARRAYPOLAR` | — | Polar array | ✅ |
-| `ARRAYPATH` | — | Path array | ✅ |
-| `BREAK` | BR | Break entity | ✅ |
-| `BREAKATPOINT` | — | Break at point | ✅ |
-| `JOIN` | J | Join entities | ✅ |
-| `EXPLODE` | X | Explode compound entity | ✅ |
-| `ERASE` | E | Erase | ✅ |
-| `LENGTHEN` | LEN | Lengthen / shorten | ✅ |
-| `PEDIT` | PE | Edit polyline | ✅ |
-| `SPLINEDIT` | SPE | Edit spline | ✅ |
-| `MATCHPROP` | MA | Match properties | ✅ |
-| `SCALETEXT` | — | Scale text objects | ✅ |
-| `FLATTEN` | — | Flatten 3D to 2D | ✅ |
-| `DRAWORDER` | DR | Draw order | ✅ |
-| `ALIGN` | AL | Align | ✅ |
-| `GROUP` | G | Group | ✅ |
-| `UNGROUP` | UG | Ungroup | ✅ |
-| `OVERKILL` | — | Remove duplicate geometry | 🔶 |
-| `3DMOVE` | — | 3D move | ✅ |
-| `3DROTATE` | ROTATE3D | 3D rotate (cached solid) | ✅ |
-| `3DMIRROR` | MIRROR3D | 3D mirror (cached solid) | ✅ |
-| `3DALIGN` | ALIGN3D | 3D align (cached solid) | ✅ |
-| `3DARRAY` | ARRAY3D | 3D array | ✅ |
-| `SLICE` | SL | Slice solid with plane | ✅ |
-| `SUBTRACT` | SU | Subtract solids | ✅ |
-| `UNION` | UNI | Union solids | ✅ |
-| `INTERSECT` | IN | Intersect solids | ✅ |
-| `CHAMFERSOLID` | — | Chamfer solid edge | ❌ |
-| `FILLETEDGE` | — | Fillet solid edge | ❌ |
-
----
-
-## Dimension
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `DIMLINEAR` | DLI | Linear dimension | ✅ |
-| `DIMALIGNED` | DAL | Aligned dimension | ✅ |
-| `DIMANGULAR` | DAN | Angular dimension | ✅ |
-| `DIMRADIUS` | DRA | Radius dimension | ✅ |
-| `DIMDIAMETER` | DDI | Diameter dimension | ✅ |
-| `DIMORDINATE` | DOR | Ordinate dimension | ✅ |
-| `DIMCONTINUE` | DCO | Continue dimension | ✅ |
-| `DIMBASELINE` | DBA | Baseline dimension | ✅ |
-| `QDIM` | — | Quick dimension | ✅ |
-| `DIMEDIT` | DED | Edit dimension text / position | ✅ |
-| `DIMTEDIT` | DIMTED | Move dimension text | ✅ |
-| `DIMBREAK` | DBR | Break dimension line | ✅ |
-| `DIMSPACE` | DSPACE | Adjust spacing between dimensions | ✅ |
-| `DIMJOGLINE` | DJL | Jog line in dimension | ✅ |
-| `TOLERANCE` | TOL | Geometric tolerance | ✅ |
-| `LEADER` | LE | Leader line (legacy) | ✅ |
-| `MLEADER` | MLD | Multileader | ✅ |
-| `MLEADERADD` | MLA | Add leader segment | ✅ |
-| `MLEADERREMOVE` | MLR | Remove leader segment | ✅ |
-| `MLEADERALIGN` | MLAL | Align multileaders | ✅ |
-| `MLEADERCOLLECT` | MLC | Collect multileaders | ✅ |
-| `DIMJOGGED` | DJO | Jogged radius dimension | ✅ |
-| `DIMCENTER` | DCE | Center mark | ✅ |
-| `CENTERLINE` | — | Center line | ✅ |
-| `CENTERMARK` | — | Center mark on arc/circle | ✅ |
-| `QLEADER` | QL | Quick leader (legacy) | ✅ |
-
----
-
-## Text & Table
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `STYLE` | ST | Text style manager | ✅ |
-| `DDEDIT` | ED | Edit text | ✅ |
-| `FIND` | — | Find and replace text | ✅ |
-| `TABLESTYLE` | TS | Table style manager | ✅ |
-| `DATALINK` | — | Link table to external spreadsheet (CSV) | ✅ |
-| `ARCTEXT` | — | Text along an arc | ✅ |
-| `TORIENT` | — | Orient text for readability | ✅ |
-| `DATAEXTRACTION` | — | Data extraction wizard | 🔶 |
-| `FIELD` | — | Auto-updating text field | ❌ |
-| `SPELL` | SP | Spell check | ❌ |
-
----
-
-## Layer
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `LAYER` | LA | Layer manager | ✅ |
-| `LAYOFF` | — | Turn layer off | ✅ |
-| `LAYON` | — | Turn layer on | ✅ |
-| `LAYFRZ` | — | Freeze layer | ✅ |
-| `LAYTHW` | — | Thaw layer | ✅ |
-| `LAYLCK` | — | Lock layer | ✅ |
-| `LAYULK` | — | Unlock layer | ✅ |
-| `LAYMCUR` | — | Make object's layer current | ✅ |
-| `LAYMATCH` | — | Match layer of selected object | ✅ |
-| `VPLAYER` | — | Viewport layer control | ✅ |
-| `LINETYPE` | LT | Linetype manager | ✅ |
-| `LTSCALE` | — | Global linetype scale | ✅ |
-| `LAYISO` | — | Isolate layer | ✅ |
-| `LAYUNISO` | — | End layer isolation | ✅ |
-| `LAYDEL` | — | Delete layer | ✅ |
-| `LAYMRG` | — | Merge layers | ✅ |
-| `LAYERSTATE` | LAS | Save / restore layer states | ✅ |
-| `LAYWALK` | — | Walk through layers | ❌ |
-| `LAYLOCKFADECTL` | — | Locked layer fading control | ❌ |
-
----
-
-## Block & Reference
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `BLOCK` | B | Define block | ✅ |
-| `INSERT` | I | Insert block | ✅ |
-| `MINSERT` | — | Matrix block insert | ✅ |
-| `WBLOCK` | W | Write block to file | ✅ |
-| `XATTACH` | XA | Attach external reference | ✅ |
-| `XREF` | XR | External reference manager | ✅ |
-| `XRELOAD` | — | Reload external reference | ✅ |
-| `XCLIP` | XC | Clip external reference | ✅ |
-| `REFEDIT` | — | Edit reference in-place | ✅ |
-| `REFCLOSE` | — | Close reference edit | ✅ |
-| `BEDIT` | BE | Block editor | ✅ |
-| `BASE` | — | Set drawing base point | ✅ |
-| `NCOPY` | — | Copy nested objects out of a block | ✅ |
-| `ATTDEF` | ATT | Define attribute | ✅ |
-| `ATTEDIT` | ATE | Edit attribute | ✅ |
-| `ATTEXT` | — | Extract attributes (legacy) | ✅ |
-| `ATTSYNC` | — | Synchronize attribute definitions | ✅ |
-| `BLOCKPALETTE` | — | Multi-view block palette (command-line list) | 🔶 |
-| `ATTMAN` | `BATTMAN` | Block attribute manager (opens the attribute editor) | ✅ |
-| `XBIND` | XB | Bind xref elements to drawing | ❌ |
-| `XOPEN` | — | Open xref for editing | ✅ |
-| `BSAVE` | — | Save block in editor | ❌ |
-| `BCLOSE` | — | Close block editor | ❌ |
-
----
-
-## 3D Modeling
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `BOX` | — | Box solid | ✅ |
-| `SPHERE` | — | Sphere solid | ✅ |
-| `CYLINDER` | — | Cylinder solid | ✅ |
-| `CONE` | — | Cone solid | ✅ |
-| `WEDGE` | — | Wedge solid | ✅ |
-| `TORUS` | — | Torus solid | ✅ |
-| `PYRAMID` | PYR | Pyramid solid | ✅ |
-| `POLYSOLID` | — | Wall-like solid | ✅ |
-| `EXTRUDE` | EXT | Extrude profile | ✅ |
-| `PRESSPULL` | — | Push / pull a closed boundary | ✅ |
-| `THICKEN` | — | Thicken a closed profile to a solid | ✅ |
-| `REVOLVE` | REV | Revolve profile around axis | ✅ |
-| `SWEEP` | — | Sweep profile along path | ✅ |
-| `LOFT` | — | Loft between profiles | ✅ |
-| `MASSPROP` | — | Mass properties | ✅ |
-| `EXPORTSTEP` | — | Export to STEP | ✅ |
-| `EXPORTSTL` | — | Export to STL | ✅ |
-| `SLICE` | SL | Slice solid with plane | ✅ |
-| `SUBTRACT` | SU | Subtract solids | ✅ |
-| `UNION` | UNI | Union solids | ✅ |
-| `INTERSECT` | IN | Intersect solids | ✅ |
-| `INTERFERE` | INF | Interference solid from overlap | ✅ |
-| `SECTION` | — | Cross-section outline of a solid | ✅ |
-| `CONVTOSOLID` | — | Convert to solid | ❌ |
-| `CONVTOSURFACE` | — | Convert to surface | ✅ |
-| `SECTIONPLANE` | — | Section plane object | ❌ |
-| `FLATSHOT` | — | 2D view from 3D | ✅ |
-
----
-
-## View & Navigation
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `ZOOM` | Z | Zoom | ✅ |
-| `LIMITS` | — | Drawing/grid limits and point checking | ✅ |
-| `PAN` | P | Pan | ✅ |
-| `ORBIT` | 3DO | 3D orbit | ✅ |
-| `VPORTS` | — | Viewport configuration | ✅ |
-| `VPJOIN` | — | Join viewports | ✅ |
-| `SYNCPVIEWPORTS` | VPSYNC | Sync viewport display settings | ✅ |
-| `MSPACE` | MS | Switch to model space | ✅ |
-| `PSPACE` | PS | Switch to paper space | ✅ |
-| `MVIEW` | MV | Model view in layout | ✅ |
-| `UCSICON` | — | Toggle UCS icon | ✅ |
-| `VIEW` | V | Named views manager | ✅ |
-| `PLAN` | — | Switch to plan view | ✅ |
-| `NAVVCUBE` | — | Toggle ViewCube | 🔶 |
-| `NAVBAR` | — | Toggle navigation bar | 🔶 |
-| `TOOLPALETTES` | — | Tool palettes panel | 🔶 |
-| `PROPERTIES` | PR | Properties palette | 🔶 |
-| `SHEETSET` | SSM | Sheet set manager | 🔶 |
-| `FILETAB` | — | Toggle file tabs | 🔶 |
-| `LAYOUTTAB` | — | Toggle layout tabs | 🔶 |
-| `DVIEW` | DV | Dynamic view (legacy) | ❌ |
-| `NAVSWHEEL` | — | Steering wheel | ❌ |
-| `RENDER` | RR | Render | ❌ |
-| `RENDERPRESETS` | — | Render presets | ❌ |
-| `LIGHT` | — | Add scene light | ❌ |
-| `SUNPROPERTIES` | — | Sun light settings | ❌ |
-| `MATERIALS` | MAT | Material editor | ❌ |
-| `VISUALSTYLES` | — | Apply a built-in visual style (no custom-style manager) | 🔶 |
-| `HIDE` | HI | Hidden-line regeneration | ✅ |
-| `VPMAX` | — | Maximize viewport | ❌ |
-| `VPMIN` | — | Restore viewport | ❌ |
-
----
-
-## Inquiry
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `AREA` | — | Calculate area | ✅ |
-| `MASSPROP` | — | Mass properties | ✅ |
-| `QSELECT` | — | Quick select | ✅ |
-| `STATUS` | — | Drawing status | ✅ |
-| `COUNT` | — | Count objects | ✅ |
-| `DIST` | DI | Distance between two points | ✅ |
-| `ID` | — | Point coordinate | ✅ |
-| `LIST` | LI | List object data | ✅ |
-| `DBLIST` | — | List all objects | ✅ |
-| `MEASUREGEOM` | — | Measure distance / angle / area | ✅ |
-| `CAL` | — | Command-line calculator | ✅ |
-| `QUICKCALC` | QC | Quick calculator | ✅ |
-
----
-
-## File & Plot
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `NEW` | — | New drawing | ✅ |
-| `OPEN` | — | Open drawing | ✅ |
-| `SAVE` | — | Save | ✅ |
-| `SAVEAS` | — | Save as | ✅ |
-| `QSAVE` | — | Quick save | ✅ |
-| `SAVEALL` | — | Save all open drawings | ✅ |
-| `PLOT` | — | Print / plot | ✅ |
-| `EXPORT [path]` | — | Export to PDF (save dialog, or straight to `path`) | ✅ |
-| `EXPORTPDF [path]` | — | Export to PDF (save dialog, or straight to `path`) | ✅ |
-| `PAGESETUP` | — | Page setup | ✅ |
-| `PLOTSTYLE` | — | Plot style | ✅ |
-| `PURGE` | PU | Purge unused items | ✅ |
-| `QUIT` | — | Exit application | ✅ |
-| `RECOVER` | — | Recover damaged drawing | ❌ |
-| `CLOSE` | — | Close drawing | ✅ |
-| `ARCHIVE` | — | Package drawing + references into a folder | ✅ |
-| `ETRANSMIT` | — | Transmittal package (folder) | ✅ |
-
----
-
-## Manage & Customize
-
-| Command | Alias | Description | Status |
-|---|---|---|---|
-| `RENAME` | — | Rename named objects | ✅ |
-| `LINETYPE` | LT | Linetype manager | ✅ |
-| `PLOTSTYLEEDITOR` | — | Plot style editor | ✅ |
-| `MLEADERSTYLE` | — | Multileader style manager | ✅ |
-| `DIMSTYLE` | D | Dimension style manager | ✅ |
-| `CUI` | — | Customize user interface | ✅ |
-| `CUIIMPORT` | — | Import customization file | ✅ |
-| `CUIEXPORT` | — | Export customization file | ✅ |
-| `ALIASEDIT` | — | Edit command aliases | ✅ |
-| `OPTIONS` | OP | Application settings (drafting) | ✅ |
-| `OBJECTSCALE` | — | Mark objects annotative | ✅ |
-| `SCRIPT` | SCR | Run script file | ✅ |
-| `AUDIT` | — | Audit drawing integrity | 🔶 |
-| `OVERKILL` | — | Remove duplicate geometry | 🔶 |
-| `FINDNONPURGEABLE` | — | Find non-purgeable items | 🔶 |
-| `XBIND` | — | Bind xref elements | ❌ |
-| `HYPERLINK` | — | Insert hyperlink | ✅ |
-| `DBCONNECT` | — | Connect to external database | ❌ |
-| `APPLOAD` | — | Load application (LISP / ARX) | ❌ |
-| `NETLOAD` | — | Load .NET plug-in | ❌ |
-| `ACTRECORD` | — | Record action macro | ❌ |
-| `ACTMANAGER` | — | Action macro manager | ❌ |
-
----
-
-## Summary
-
-| Category | Total | ✅ Done | 🔶 Partial | ❌ Missing |
-|---|---|---|---|---|
-| Draw | 32 | 31 | 0 | 1 |
-| Modify | 42 | 39 | 1 | 2 |
-| Dimension | 26 | 26 | 0 | 0 |
-| Text & Table | 10 | 7 | 1 | 2 |
-| Layer | 19 | 17 | 0 | 2 |
-| Block & Reference | 23 | 18 | 2 | 3 |
-| 3D Modeling | 27 | 25 | 0 | 2 |
-| View & Navigation | 33 | 16 | 8 | 9 |
-| Inquiry | 12 | 12 | 0 | 0 |
-| File & Plot | 17 | 16 | 0 | 1 |
-| Manage & Customize | 22 | 13 | 3 | 6 |
-| **Total** | **263** | **220** | **15** | **28** |
-
-> Counts include commands listed under more than one category (e.g. `SLICE`, `HELIX`,
-> `MINSERT`, `SUBTRACT`/`UNION`/`INTERSECT` appear in both their 2D and 3D groups).
->
-> Still out of scope: `POINTCLOUDATTACH`/`RECAP` (proprietary binary point-cloud parser
-> plus a GPU point renderer) and `UNDERLAYLAYERS`/`UOSNAP` (PDF/DWF internal-layer
-> parsing) — each needs an external dependency and real test files.
diff --git a/HEADER_AUDIT.md b/HEADER_AUDIT.md
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--- a/HEADER_AUDIT.md
+++ /dev/null
@@ -1,28 +0,0 @@
-# HeaderVariables Audit
-
-`acadrust::document::HeaderVariables` — 232 total.
-
-## Pass (no matching feature)
-
-- **ISOLINES** — contour line count on curved surfaces (no curved
-  wireframe generator yet)
-- **surface_u_density / surface_v_density / surface_type** — defaults
-  for SURFACE / REVSURF / EDGESURF commands (those commands don't
-  exist yet)
-- **lens_length / camera_height / camera_display** — perspective
-  camera (no perspective viewport yet)
-- **north_direction / latitude / longitude / timezone** — sun /
-  geographic data (no sun-shadow renderer)
-- **LIMMIN/LIMMAX** — drawing limits (no bounded-grid mode)
-- **INSBASE** — drawing's "save as block" anchor (no WBLOCK / "save
-  selection as block" flow)
-
-### Remaining (intentionally not surfaced)
-- ~70 `dim_*` defaults — render-time `DimStyle` reference is already
-  authoritative; these only seed a new DimStyle when a fresh DIMSTYLE
-  NEW flow is added.
-- `*_control_handle`, `*_dict_handle` — internal table-navigation
-  handles; direct `document.layers` / `document.dim_styles` / etc.
-  accessors bypass them. acadrust read/write preserves them.
-- AutoCAD UI prefs (`blip_mode`, `drag_mode`, `pick_style`, etc.) —
-  H7CAD has its own UI prefs and ignores AutoCAD's. Round-tripped.
diff --git a/STATUSBAR.md b/STATUSBAR.md
deleted file mode 100644
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--- a/STATUSBAR.md
+++ /dev/null
@@ -1,71 +0,0 @@
-# Open CAD Studio — Status Bar Items
-
-Tracks the status-bar toggle pills, the customization menu, and which
-items are implemented, deferred, or out of scope.
-
-The customization menu (the `≡` handle at the bar's far right) lists every
-pill with a check mark; toggling a row shows/hides that pill and the choice
-persists across sessions.
-
-- Pill definitions & visibility: [`src/ui/statusbar_config.rs`](src/ui/statusbar_config.rs)
-- Bar layout & pills: [`src/ui/statusbar.rs`](src/ui/statusbar.rs)
-- Customization menu: [`src/ui/statusbar_menu.rs`](src/ui/statusbar_menu.rs)
-
-## Implemented
-
-| Item | Pill | Source |
-|------|------|--------|
-| Coordinates (live cursor X,Y,Z) | `Coords` | [statusbar.rs](src/ui/statusbar.rs) `format_coords` |
-| Snap Mode | `SNAP` | pre-existing |
-| Grid | `GRID` | pre-existing |
-| Ortho Mode | `ORTHO` | pre-existing |
-| Polar Tracking | `POLAR` | pre-existing |
-| Dynamic Input | `DYN` | pre-existing |
-| Object Snap Tracking | `OTRACK` | pre-existing |
-| 2D Object Snap | `OSNAP` | pre-existing |
-| Lineweight display | `LWT` | pre-existing |
-| Model / Paper space | `Space` | pre-existing |
-| Annotation scale | `Scale` | [scale_popup.rs](src/ui/scale_popup.rs) |
-| Drawing units (INSUNITS) | `Units` | [units_popup.rs](src/ui/units_popup.rs) |
-| Transparency display | `TPY` | [uniforms.rs](src/scene/pipeline/uniforms.rs) + [wire.wgsl](src/shaders/wire.wgsl) |
-| Isolate / Hide objects | `Isolate` | [isolate_popup.rs](src/ui/isolate_popup.rs); commands `ISOLATEOBJECTS` / `HIDEOBJECTS` / `UNISOLATEOBJECTS` |
-| Quick Properties | `QP` | [properties.rs](src/ui/properties.rs) `quick_view` |
-| Selection Filtering | `FILTER` | [selection_filter_popup.rs](src/ui/selection_filter_popup.rs) |
-| Selection Cycling | `SC` | [cycle_popup.rs](src/ui/cycle_popup.rs) — pick list + hover highlight |
-| Clean Screen | `CleanScreen` | hides ribbon + side panels |
-| Viewport count (app-specific) | `Vp` | — |
-
-## Remaining — annotative engine
-
-These are not single pills; they need a real annotative-objects subsystem:
-a per-entity annotative flag, the list of scales each object supports, and a
-**separate representation (size / position) per scale**, with render-time
-selection by the current annotation scale.
-
-| Item | Needs |
-|------|-------|
-| Annotation Visibility | hide annotative objects whose scale list omits the current scale |
-| AutoScale | add the current scale's representation automatically when the scale changes |
-| Annotation Monitor | warn on annotative inconsistencies |
-
-The pieces that exist today (`annotation_scale`, dimstyle / multileader
-annotative flags) do not yet include the per-scale representation system.
-Best tackled as a separate, staged effort (start with Visibility).
-
-## Dropped — no fit in this architecture
-
-| Item | Why |
-|------|-----|
-| Lock UI | panels are separate OS windows; there is no dock layout to lock |
-| Graphics Performance | a GPU-tuning dialog with no meaningful equivalent here |
-
-## Out of scope — large standalone engines
-
-Each is a product-level subsystem, not a status pill:
-
-- Infer Constraints (parametric constraint solver)
-- Isometric Drafting (isometric drawing mode)
-- 3D Object Snap
-- Dynamic UCS (auto-align UCS to the face under the cursor)
-- Gizmo (3D move/rotate manipulator)
-- Workspace Switching (multiple ribbon workspaces)