Show block insertion XYZ in Properties Inspector (#682)

Squash of PR #682 by @markmonkey.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

crates/ui-egui/src/palettes.rs

@@ -1039,6 +1039,9 @@ pub(crate) fn properties_section(app: &mut CadApp, ui: &mut egui::Ui) {
             }
             EntityKind::Insert(i) => {
                 prop_row(ui, "Name", |ui| read_only(ui, &i.block));
+                prop_row(ui, "Position X", |ui| read_only(ui, &format!("{:.4}", i.insert.x)));
+                prop_row(ui, "Position Y", |ui| read_only(ui, &format!("{:.4}", i.insert.y)));
+                prop_row(ui, "Position Z", |ui| read_only(ui, &format!("{:.4}", i.insert.z)));
                 num(ui, "Rotation", "rotation", i.rotation.to_degrees(), &mut set, &ids);
                 num(ui, "Scale", "scale", i.scale.x, &mut set, &ids);
             }

docs/ui-parity.md

@@ -1,6 +1,6 @@
 # UI parity
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-11 · **Change:** minor (object snap tracking, Extension, Parallel and Apparent Intersection landed, #379) · **Target:** Autodesk AutoCAD 2027 for Mac (26.0)
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (Properties Inspector shows block insertion X, Y and stored Z) · **Target:** Autodesk AutoCAD 2027 for Mac (26.0)
 
 How CADCraft's interaction compares with AutoCAD's: point entry, object snaps, tracking, dynamic
 input, grips, selection, the command line, chrome and navigation. A drafter's speed in AutoCAD
@@ -157,7 +157,7 @@ down-arrow options menu (DYNPROMPT), and DYNDIM.
 | Menu bar | 11 menus, 491 leaf items | same 11 menus; 245/491 items covered (233 by `cargo xtask parity`, which counts engine commands only, plus 12 UI-only items: see [parity-checklist.md](parity-checklist.md)) |
 | Tool Bar, File tabs, Start tab, layout tabs | yes | yes |
 | Tool Sets palette (Drafting, Modeling, … with flyouts) | yes | yes for 2D groups |
-| Properties Inspector, Quick Properties | yes | yes (every control acts or is visibly unavailable, #182) |
+| Properties Inspector, Quick Properties | yes | yes (every control acts or is visibly unavailable, #182); block references show read-only Position X/Y/Z from their stored insertion point; coordinate editing is still missing |
 | Layer Properties Manager (filters, states, VP overrides) | yes | yes |
 | Blocks palette, Content | yes | Blocks window (click to insert, #28) |
 | Status bar toggles | ~25 | most toggles; Annotation Visibility and Workspace do nothing |
@@ -201,6 +201,7 @@ down-arrow options menu (DYNPROMPT), and DYNDIM.
 
 | Date | Change | Summary |
 |---|---|---|
+| 2026-10-12 | minor | Block references now show their stored insertion X/Y/Z in the Properties Inspector, including nonzero Z; fields are read-only |
 | 2026-10-11 | minor | Isometric drafting (#556): isometric snap and grid, ISODRAFT, ISOPLANE (F5), ortho along isoplane axes, ELLIPSE Isocircle |
 | 2026-10-11 | minor | Object snap tracking, Extension, Parallel, Apparent Intersection, additional polar angles (#379): tracking 30% → 70%, object snaps 40% → 45%; total 43% → 48% |
 | 2026-10-10 | minor | Dynamic input 15% → 45% (pointer boxes, #60); press-drag windows (#63); total 40% → 43% |