Plan Lexical Edit Avalonia migration and add coverage#902
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Pull request overview
Note
Copilot was unable to run its full agentic suite in this review.
This PR establishes an OpenSpec-based plan for the Lexical Edit → Avalonia migration, and adds Phase 2 characterization tests/evidence to support upcoming seam extractions (DataTree refresh, morph-type launcher logic, XMLViews browse filter reachability, and SliceFactory fallback behavior).
Changes:
- Adds a comprehensive OpenSpec change set for
lexical-edit-avalonia-migration(requirements, design, tasks, coverage/evidence, inventories, manifests, and diagrams). - Adds a companion OpenSpec change set for
fieldworks-avalonia-shell-migration(requirements/design/tasks/proposal). - Adds/extends net48 characterization tests around DataTree refresh behavior, MorphTypeAtomicLauncher data-loss classification, SliceFactory unknown-editor fallback, and XMLViews filter-bar reachability.
Reviewed changes
Copilot reviewed 50 out of 50 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| openspec/changes/lexical-edit-avalonia-migration/view-inventory.md | Inventories legacy Lexical Edit surfaces and migration risks. |
| openspec/changes/lexical-edit-avalonia-migration/tasks.md | Tracks phased migration tasks and coverage gates. |
| openspec/changes/lexical-edit-avalonia-migration/specs/lexical-edit-view-definition/spec.md | Defines requirements for typed view-definition + XML import boundary. |
| openspec/changes/lexical-edit-avalonia-migration/specs/lexical-edit-parity-automation/spec.md | Defines layered parity automation requirements (UIA2 + headless + semantic snapshots). |
| openspec/changes/lexical-edit-avalonia-migration/specs/lexical-edit-font-decommissioning/spec.md | Defines Graphite/font decommissioning requirements and evidence gates. |
| openspec/changes/lexical-edit-avalonia-migration/specs/lexical-edit-avalonia-migration/spec.md | Defines end-to-end phased migration requirements and completion gates. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-validation/spec.md | Requires validation seam + Avalonia-native validation presentation. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-undo-redo/spec.md | Requires domain-authoritative undo/redo with leaf-local control undo permitted. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-ui-scheduler/spec.md | Requires a thin UI scheduling seam for non-view layers. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-lifetime/spec.md | Requires a thin lifetime/dialog seam for non-view layers. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-edit-sessions/spec.md | Requires FieldWorks-owned edit-session boundaries for migration. |
| openspec/changes/lexical-edit-avalonia-migration/specs/avalonia-command-focus/spec.md | Requires a FieldWorks-owned command/focus bridge for global behavior. |
| openspec/changes/lexical-edit-avalonia-migration/specs/architecture/ui-framework/winforms-patterns/spec.md | Adds seam/automation expectations for WinForms DetailControls refactors. |
| openspec/changes/lexical-edit-avalonia-migration/specs/architecture/ui-framework/views-rendering/spec.md | Extends render verification requirements with semantic snapshots and audits. |
| openspec/changes/lexical-edit-avalonia-migration/specs/architecture/testing/test-strategy/spec.md | Requires layered UI migration tests and explicit coverage plans. |
| openspec/changes/lexical-edit-avalonia-migration/specs/architecture/interop/native-boundary/spec.md | Requires elimination/classification of native render interop for completed regions. |
| openspec/changes/lexical-edit-avalonia-migration/seam-recommendations.md | Records recommended seam directions and pivot triggers. |
| openspec/changes/lexical-edit-avalonia-migration/region-manifest.md | Defines proposed migrated-region manifest shape and enablement gates. |
| openspec/changes/lexical-edit-avalonia-migration/proposal.md | Describes goals/scope/non-goals and migration approach. |
| openspec/changes/lexical-edit-avalonia-migration/phase2-execution-evidence.md | Summarizes Phase 2 characterization coverage added and remaining gaps. |
| openspec/changes/lexical-edit-avalonia-migration/override-fixtures.md | Plans override fixture families and typed-IR assertions/diagnostics needs. |
| openspec/changes/lexical-edit-avalonia-migration/migration-map.md | Maps Speckit sources into OpenSpec destinations. |
| openspec/changes/lexical-edit-avalonia-migration/graphite-decommissioning.md | Documents Graphite/native rendering inventory and default-path policy. |
| openspec/changes/lexical-edit-avalonia-migration/design.md | Consolidates architecture decisions, risks, and phase sequencing. |
| openspec/changes/lexical-edit-avalonia-migration/coverage-map.md | Coverage map for DataTree/SliceFactory/launchers/XMLViews and seams. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-validation.md | Plan for validation model, tests, and phase gates. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-undo-redo.md | Plan for undo/redo routing, tests, and phase gates. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-ui-scheduler.md | Plan for UI-thread marshalling seam and required tests. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-lifetime.md | Plan for deterministic disposal and navigation/close semantics. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-edit-sessions.md | Plan contrasting current prototype sessions vs proposed seam contract. |
| openspec/changes/lexical-edit-avalonia-migration/avalonia-command-focus.md | Plan for local vs shell-phase command/focus behavior. |
| openspec/changes/lexical-edit-avalonia-migration/architecture-diagrams.md | Mermaid diagrams of current state, seams, testing layers, and target architecture. |
| openspec/changes/lexical-edit-avalonia-migration/.openspec.yaml | Declares spec-driven schema metadata for the change. |
| openspec/changes/fieldworks-avalonia-shell-migration/tasks.md | Shell migration task plan and dependencies. |
| openspec/changes/fieldworks-avalonia-shell-migration/specs/fieldworks-avalonia-shell-migration/spec.md | Defines requirements for typed shell composition and Avalonia default shell. |
| openspec/changes/fieldworks-avalonia-shell-migration/proposal.md | Describes shell migration rationale/scope and decommissioning goals. |
| openspec/changes/fieldworks-avalonia-shell-migration/design.md | Decisions and migration sequencing for shell/windowing replacement. |
| openspec/changes/fieldworks-avalonia-shell-migration/.openspec.yaml | Declares spec-driven schema metadata for the change. |
| Src/xWorks/xWorksTests/BulkEditBarTests.cs | Adds XMLViews filter-bar reachability “smoke substitute” baseline helper + test. |
| Src/Common/Controls/DetailControls/MorphTypeAtomicLauncher.cs | Extracts morph-type data-loss classification into flag enum + helper methods. |
| Src/Common/Controls/DetailControls/DetailControlsTests/SliceFactoryTests.cs | Adds test pinning unknown-editor fallback to MessageSlice + AccessibleName. |
| Src/Common/Controls/DetailControls/DetailControlsTests/MorphTypeAtomicLauncherTests.cs | Adds characterization tests for DataTree refresh edge + morph-type data-loss logic. |
| Src/Common/Controls/DetailControls/DetailControlsTests/DataTreeTests.cs | Adds semantic slice baseline assertion helper and Cf/Bib baseline test. |
| .github/skills/fieldworks-winforms-to-avalonia-migration/SKILL.md | Adds migration review skill guidance for plans/tests/seams/parity. |
| .github/skills/fieldworks-uia2-parity-testing/SKILL.md | Adds guidance for UIA2 vs headless automation and parity evidence. |
| .github/skills/fieldworks-semantic-render-parity/SKILL.md | Adds guidance for semantic snapshot discipline and render evidence. |
| .github/skills/fieldworks-migration-scope-review/SKILL.md | Adds guidance for scope splits and evidence/claim alignment in large PRs. |
| .github/skills/fieldworks-managed-netfx-review/SKILL.md | Adds guidance for net48 vs net8 boundary hygiene and validation. |
| .github/skills/fieldworks-avalonia-ui/SKILL.md | Adds guidance for Avalonia module review, tests, and parity claims. |
| .github/instructions/avalonia.instructions.md | Adds repo guidance for building/testing/preview-hosting Avalonia modules. |
Add FieldWorks Avalonia migration review skills Narrow Phase 1-2 Avalonia migration foundation
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- Avoid localized UI strings in BulkEditBarTests filter baseline - Stop using reflection in MorphTypeAtomicLauncherTests - Fix ViewsInterfaces duplicate TargetFrameworkAttribute build
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Author
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Addressed Copilot review brittleness notes:
Also fixed a build blocker encountered while running the focused tests: |
Sequence the Avalonia migration as one gated path: POC spike -> DataTree region (Plan A) -> Lexical Edit program (Plan B) -> shell. Adds the avalonia-migration-roadmap umbrella change and the lexical-edit-avalonia-poc-spike change (flagged, in-proc net48 dual-run, density/parity evidence). Brings the datatree-model-view-separation plan onto this branch as the first migrated region with a hybrid-alignment note, and records the approach comparison and recommendation.
Locks the normalized per-slice snapshot (label, field, flid, editor, visibility, focus order, a11y) that the Avalonia POC slice must reproduce, and asserts it is deterministic across realizations. All expected values reuse those already proven by CfAndBib_SemanticSliceBaselineCapturesStableBindingsAndFocusOrder.
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This is the first of a few PRs for the Lexical Edit Avalonia migration.
Focus reviewers on the overall OpenSpec plan and Phase 1/2 characterization tests.
Summary:
Validation evidence:
This change is