Snapmaker Orca FullSpectrum v0.9.7

Color-preview unification, print-preprocessing filament matching fixes, and release workflow cleanup. Compared to fs-0.96. Based on Snapmaker Orca v2.3.1, with the bundled print-preprocessing Flutter/web resources synced forward to the newer 2.3.12 line.

Quick Overview

Unifies mixed-filament display color computation so generated recipes, cached previews, and editor rows use the same color logic.
Improves preview colors for grouped manual patterns, Local-Z previews, same-layer patterns, and bias-aware pair displays.
Fixes print-preprocessing filament auto-matching so same-type trays can be matched by nearest color again instead of behaving like exact-color-only.
Normalizes file-side filament types more consistently, including support-material IDs, to reduce false preprint type mismatches.
Updates the bundled flutter_web preprocessing page and release-note lookup flow for cleaner fork releases.

More Detailed Overview

Mixed-Filament Color Consistency

Added a shared mixed-filament display context/helper used by MixedFilamentManager, the mixed-color recipe dialog, and the plater-side previews.
Reworked preview color generation for grouped manual patterns, effective pair ratios, same-layer modes, and Local-Z preview subdivision.
Moved bias-aware apparent-color calculations onto shared helpers so the manager and UI no longer drift apart.
Refreshed mixed-filament row colors from the same physical-color context used when new color-match recipes are created.
Reduced mismatch between newly created mixed filaments, cached previews, and what is shown after reopening or editing rows.

Print Preprocessing Filament Matching

Synced the bundled flutter_web print-preprocessing resources to the newer 2.3.12 line.
Fixed the preprint matcher so approximate same-type colors like cyan, yellow, and magenta can fall back to the nearest tray color instead of effectively requiring exact color equality.
Relaxed the fallback nozzle check so trays are not skipped just because the file-side nozzle value is absent in the web payload.
Disabled stale Flutter service-worker re-registration in the desktop bootstrap and added cache cleanup in index.html so updated preprocessing pages can replace old cached shells on user machines more reliably.
Bumped the bundled flutter_web build number so newer repo-shipped resources overwrite older AppData copies on startup.
Carries forward the upstream print-preprocessing fix from the synced Flutter bundle for projects with more than four preset filaments, so excess presets remain selectable in the matching dialog.

Filament Type Normalization

Fixed DynamicPrintConfig::get_filament_type() to use filament_ids instead of the singular filament_id.
Updated sw_GetFileFilamentMapping() to build file-side filament types from full_print_config() and the normalized helper instead of forwarding raw config strings.
Added regression coverage for support-material normalization and ordinary-material passthrough.
Reduces false "filament type does not match" warnings when the visible UI label looks correct but the underlying raw strings do not.

Workflow And Release Maintenance

Updated the release workflow to prefer doc/changelogs/RELEASE_NOTES_v*.md before changelog files when assembling release notes.
Carries forward the README warning that some older FullSpectrum .3mf projects may not migrate cleanly because mixed-filament serialization has evolved.

Notes

This release was validated on actual hardware while reproducing and fixing the print-preprocessing filament auto-match issue.
node --check passed for the synced flutter_web JavaScript files.
cmake --build build --target Snapmaker_Orca --config Release --parallel 4 succeeded.
The active build tree in this workspace had no registered ctest cases, so broader automated test reruns were not available from ctest here.
macOS builds from this fork remain unsigned and not notarized.
Release downloads for this fork are available here: https://github.com/ratdoux/OrcaSlicer-FullSpectrum/releases
Use at your own risk.

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