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feat: preserve modeling intent across sketches, assemblies, and fabrication

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Persist typed sketch dimensions and bounded ordered configuration rules in format 8. Use exact occurrence paths and source identity for editing, movement, appearance, and mass. Preserve sheet material regions through cutting, folding, and exact DXF export; retain nested cavities and material islands.

Validation: cargo xtask ci passed, including 368 engine tests, 178 UI tests, 68 UI scenarios, 136 kernel tests, and the 10-crate wasm check. Actual preview workflows and legacy format-7 origin-corner reopening were inspected.
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bherbruck committed 2026-10-11 01:28:01 -04:00
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ROADMAP.md
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@@ -7,9 +7,9 @@ features → parametric timeline) as an open, pure-Rust, agent-drivable applicat
| Question | Answer |
|---|---|
| Where are we? | **M0, M1, M13 done; M2, M5–M7, M9, M10, M14 in progress.** Sketch with solver and the full SKETCH create/modify set; extrude, revolve (two sides, symmetric, to object), fillet/chamfer (variable radius, chord length, a radius per edge, corner patches), holes, threads (cosmetic and modelled), patterns, mirror, shell (inside/outside/both), draft, loft, sweep, coil, split body and split face, delete face, construction planes, axes and points; persistent naming of faces and edges; parameters and configurations; components, joints, motion studies, exploded views; sheet metal and a plastic enclosure subset; STEP/IGES/3MF/STL/OBJ/DXF; autosave and crash recovery; desktop and browser (wasm) app, CLI, MCP server, oracle harness. |
| Command parity (in scope) | **331 / 541 (61%)** in-scope commands; SOLID + SKETCH **186 / 291 (64%)** — [docs/parity.md](docs/parity.md); registry breadth does not establish workflow or geometric parity |
| Fusion oracle | **76 / 76 parts match** — [docs/oracle.md](docs/oracle.md) |
| Where are we? | **M0 and M13 done; M1, M2, M5–M7, M9, M10, M14 in progress.** Sketch with solver and the full SKETCH create/modify set; extrude, revolve (two sides, symmetric, to object), fillet/chamfer (variable radius, chord length, a radius per edge, corner patches), holes, threads (cosmetic and modelled), patterns, mirror, shell (inside/outside/both), draft, loft, sweep, coil, split body and split face, delete face, construction planes, axes and points; persistent naming of faces and edges; parameters and configurations; components, joints, motion studies, exploded views; sheet metal and a plastic enclosure subset; STEP/IGES/3MF/STL/OBJ/DXF; autosave and crash recovery; desktop and browser (wasm) app, CLI, MCP server, oracle harness. |
| Command parity (in scope) | **335 / 541 (62%)** in-scope commands; SOLID + SKETCH **188 / 291 (65%)** — [docs/parity.md](docs/parity.md); registry breadth does not establish workflow or geometric parity |
| Fusion oracle | **76 / 76 parts match** in the checked-in historical report — [docs/oracle.md](docs/oracle.md). The current sprint adds independent analytic and UI regressions; the local Fusion oracle corpus has not been rerun. |
| Tests | Solver, profiles, kernel booleans/blends/measures, expressions, timeline, persistent naming, file formats and migrations, assemblies, sheet metal, engine end-to-end, hostile-input fuzz over every command and headless UI scenarios. `cargo xtask ci` reports the current passing counts. |
| Gates | `cargo xtask ci`: fmt, clippy -D warnings, tests, asset attribution, layering, wasm32 build — green |
| Time to a useful alpha (M0–M6) | ≈ **82 agent hours** remain (sum of the M1–M6 estimates below) |
@@ -46,7 +46,7 @@ headline counts in-scope tabs only and lists the deferred ones separately.
| # | Milestone | Status | Hours left |
|---|---|---|---|
| M0 | Vertical slice | done | — |
| M1 | Sketch depth: done — projection/intersect/include as linked geometry (auto-project on faces, lost-reference warnings, break link), full SKETCH create/modify set (slots, polygons, tangent arcs/circles, ellipse, fit/control splines, conic, text, trim/extend/break, fillet/chamfer, offset, mirror, patterns, move/scale, blend curve, centerline), constraints incl. curvature and polygon with over-constraint refusal, driven/arc-length/linear-diameter dimensions, AutoConstrain, DXF/SVG insert, 3D sketch curves (Project To Surface, Intersection Curve, Isoparametric Curve, Spun Profile), exact free-form profiles (B-spline/NURBS edges, any spline degree, curves cut by crossings), sweeps and pipes along 3D sketch curves, canvases and decals, curvature combs | done | 4 |
| M1 | Sketch depth: command coverage implemented — projection/intersect/include as linked geometry (auto-project on faces, lost-reference warnings, break link), full SKETCH create/modify set (slots, polygons, tangent arcs/circles, ellipse, fit/control splines, conic, text, trim/extend/break, fillet/chamfer, offset, mirror, patterns, move/scale, blend curve, centerline), constraints incl. curvature and polygon with over-constraint refusal, driven/arc-length/linear-diameter dimensions, AutoConstrain, DXF/SVG insert, 3D sketch curves (Project To Surface, Intersection Curve, Isoparametric Curve, Spun Profile), exact free-form profiles (B-spline/NURBS edges, any spline degree, curves cut by crossings), sweeps and pipes along 3D sketch curves, canvases and decals, curvature combs. Remaining workflow repairs: exact free-form Extend intersections, associative free-form Offset, and consistent occurrence-frame 3D wire authoring | in progress | 4 |
| M2 | Robust modelling: coplanar booleans in the kernel, holes (placed on faces and on sketch points), threads (cosmetic, then modelled), patterns, mirror, shell, draft, split, construction geometry | in progress | 16 |
| M3 | General fillets and chamfers (curved edges, chains, vertex blends); saddle rolling-ball surfaces now use continuous seam sections and arc-length fitting with shared contact boundaries and bounded accuracy checks | in progress | 30 |
| M4 | Files: STEP import (done: all 29 Fusion STEP files — [docs/step-import.md](docs/step-import.md)), 3MF export and 3MF/STL import as mesh bodies (done), DXF sketches, OBJ import | in progress | 6 |
@@ -58,8 +58,8 @@ headline counts in-scope tabs only and lists the deferred ones separately.
| M10 | Sheet metal: flange (base, edge, contour), hem, unfold/refold, convert, flat pattern + DXF, rules: done (oracle 67-76). PLASTIC enclosure subset: Boss, Rib, Web, Lip/Groove, Snap Fit, Rest, Plastic Rules (library, edit, assign; rule draft and clearance as feature defaults): done, no Fusion oracle (licence), tested against hand-computed geometry. UI: SHEET METAL and PLASTIC tabs in Fusion's layout with dialogs (live preview, Edit Feature, pre-selection) for Flange, Hem, Unfold/Refold, Convert, Sheet Metal Rules, Create Flat Pattern (flat view with bend lines, bend table CSV/JSON and DXF export with exact circle/arc/line cutouts), Boss, Lip/Groove, Snap Fit, Rest, Manage and Assign Plastic Rules; Fold (bend along a sketch line) | in progress | 36 |
| M11 | 2D drawings | deferred | — |
| M12 | Release: installers, signing, docs, performance | planned | 16 |
| M14 | Configurations: a table of rows (parameter expressions and feature suppressions per row) switched with config.activate (undoable, all or nothing), kept through parameter renames and feature deletes (config.configure, config.table, config.column/row/activate). Per-row body materials and appearances (library looks, custom colour/opacity and clearing overrides), undoable activation and save/reopen: done. Left: configuration rules and component/face style columns | in progress | 4 |
| M13 | Never lose work: atomic saves (temporary file, flush, rename; a crash at any moment leaves the old file or the new one) with the replaced version kept as `<file>.bak`; autosave of unsaved changes to the recovery folder every 5 minutes (preference) and after big operations, only when something changed; "Recover unsaved design?" on the next launch (`doc.recovery_list`, `doc.recover`, `doc.recovery_discard`); a kill-mid-save test (process killed while saving a 0.5 MB design 25 times). File format: `"format": "solvecraft/7"`, older formats upgraded step by step (`doc::format`), newer ones refused with a message, out-of-range numbers and broken placements refused; a corpus of designs saved by M0, components-era, joints-era and current builds (apps/solvecraft-cli/tests/corpus) that must open and evaluate as saved; damaged and hostile variants (truncation, bit flips, hostile values, removed keys, repeated features, deep nesting) never panic | done | 6 |
| M14 | Configurations: a table of rows (parameter expressions and feature suppressions per row) switched with config.activate (undoable, all or nothing), kept through parameter renames and feature deletes (config.configure, config.table, config.column/row/activate). Per-row body materials and appearances (library looks, custom colour/opacity and clearing overrides), undoable activation and save/reopen: done. Ordered typed configuration rules, atomic validation and structured rule editing: done. Left: component/face style columns | in progress | 4 |
| M13 | Never lose work: atomic saves (temporary file, flush, rename; a crash at any moment leaves the old file or the new one) with the replaced version kept as `<file>.bak`; autosave of unsaved changes to the recovery folder every 5 minutes (preference) and after big operations, only when something changed; "Recover unsaved design?" on the next launch (`doc.recovery_list`, `doc.recover`, `doc.recovery_discard`); a kill-mid-save test (process killed while saving a 0.5 MB design 25 times). File format: `"format": "solvecraft/8"`, older formats upgraded step by step (`doc::format`), newer ones refused with a message, out-of-range numbers and broken placements refused; a corpus of designs saved by M0, components-era, joints-era and current builds (apps/solvecraft-cli/tests/corpus) that must open and evaluate as saved; damaged and hostile variants (truncation, bit flips, hostile values, removed keys, repeated features, deep nesting) never panic | done | 6 |
## Known limitations
@@ -84,7 +84,10 @@ headline counts in-scope tabs only and lists the deferred ones separately.
sections stacked end to end) are combined exactly in 2D; bodies touching along one whole face
(a part and its mirror image) are stitched; coincident planar faces are pushed apart when
their neighbours are planes or cylinders. Other coincident curved configurations can still
fail. Fully internal voids are not supported. Spheres are built from six pole-free patches.
fail. Bounded containment classification preserves fully internal cavities and nested
material islands independently of shell order, with STEP round-trip and material-membership
regressions. Near-contact curved shells use the general boolean path rather than a
containment shortcut. Spheres are built from six pole-free patches.
- Mass properties come from fine tessellation (curved faces within ~1e-4 relative); triangles
that cut through curved faces (trimmed faces after booleans) are split onto the surface first.
- STEP import (our own reader, crates/kernel/src/step_in; all 29 Fusion STEP files pass
@@ -117,6 +120,24 @@ headline counts in-scope tabs only and lists the deferred ones separately.
- Inline sketch dimensions: Tab and Shift+Tab cycle within the active shape's value boxes,
selecting visited values for replacement. Expression completion retains forward-Tab
priority; real keyboard regressions cover rectangles, lines and single-value circles.
Typed lengths, radii, line angles, signed arc sweeps and slot lengths persist as constraints
and expressions through save/reopen. Shape creation and its dimensions form one undo step;
rejected values keep the editable field focused.
- Repeated components: Browser selection, visibility, properties, copy and Move/Copy use
checked occurrence paths. Active nested occurrences author planar sketches and solids in
their selected frame. Pending moves compose through parents; dialog cancellation restores
its selected move. Source materials and body/face appearances follow transformed instances.
Shared nested definitions remain shared, and legacy 3D wire authoring and deep Paste New
need further work. See [occurrence workflows](docs/occurrence-workflows.md).
- Configuration rules: ordered typed conditions can drive parameters and suppressions or
restrict values. Preview explains effective values without modifying the document; applying
rules validates rows atomically. Length expressions retain their authoring units across
document-unit changes. The UI supports structured All/Any/Not conditions and rule ordering.
Component and face style columns remain open. See [configurations](docs/configurations.md).
- Sheet-metal material: inherited holes, crossing edge notches, overlapping cuts and retained
islands share the same boundaries in flat preview, DXF and unfolded solids. Detached material
pieces survive unfold/refold as one logical sheet group, including split flanged sheets.
Circular cuts crossing bends remain unsupported; free-form bases use bounded sampling.
- Rolling-ball fillet accuracy: independent offset-cylinder tee references check surface
distance, actual trimmed tessellation, supporting-cylinder contacts and tangency at two
scales. The measured trimmed-part error is below 0.0001 mm; this is an analytic geometry