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Audits Go code for goroutine-to-widget access without fyne.Do(...) wrapping, the project's most common GUI freeze cause. Use when reviewing a PR that adds goroutines, async I/O, or simulation tickers in any pkg/gui/ or shell package.
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| name | fecim-fyne-thread-check |
| description | Audits Go code for goroutine-to-widget access without fyne.Do(...) wrapping, the project's most common GUI freeze cause. Use when reviewing a PR that adds goroutines, async I/O, or simulation tickers in any pkg/gui/ or shell package. |
Find places where a goroutine touches a Fyne widget without fyne.Do(...) wrapping. See tools/fecim-skills/_shared/fecim-context.md (UI thread-safety rule).
Run the automated guardrail first. It scans default Fyne GUI scopes and exits non-zero on direct mutation-like widget calls inside goroutine literals without fyne.Do/fyne.DoAndWait:
make fyne-thread-check
# or scoped:
go run ./tools/fyne-thread-check module6-eda/pkg/gui/tabs/builder_validation_tab.go
Define audit scope. Default: module*/pkg/gui/, cmd/fecim-lattice-tools/. Narrow to changed files for PR review:
git diff --name-only main...HEAD | grep '\.go$' | grep -E 'pkg/gui|cmd/fecim'
Use rg if available; on this host it may be missing, so grep is the default-safe fallback.
Find goroutine launches:
rg -nU 'go func\(' <scope> 2>/dev/null || grep -RIn 'go func(' <scope>
For each match, examine the body for direct mutation of:
*widget.* (e.g., Label.SetText, Button.SetText, Entry.SetText, ProgressBar.SetValue)*canvas.* (e.g., canvas.Refresh, *canvas.Image.Image = ...)*container.* (Add, Remove, Refresh)fyne.CanvasObjectVerify the call is wrapped:
fyne.Do(func() { label.SetText("done") })label.SetText(...) inside go func()Output a violation list:
<file>:<line>: <symbol>.<method>(...) inside goroutine — needs fyne.Do
Suggested:
fyne.Do(func() { <symbol>.<method>(...) })
Cross-reference docs/3-develop/gui/FYNE_NOTES.md#threading-critical for nuanced cases (animation tickers, blocking dialogs).
go func() { mylabel.SetText("done") }() in module1-hysteresis/pkg/gui/simulation.go.
Expected: skill flags simulation.go:<line>: mylabel.SetText and suggests the wrap.Audit is observation — TDD: N/A. Any code change made to fix a violation triggers the project's TDD hard-rule.
Runs build flows for the canonical Fyne shell and module commands on this Go 1.25 monorepo. Use when building, packaging, or debugging build failures in cmd/fecim-lattice-tools or module GUI commands.
Relentlessly interviews the user about a proposed FeCIM physics, simulation, or GUI change before any code is written — covering source citation, educational-vs-validated framing, TDD-RED test, thread-safety, and honesty-audit alignment. Use when starting a non-trivial change to physics, ISPP, crossbar, or GUI logic.
Runs the FeCIM test matrix (full, race, module-scoped, coverage, golden regen) and interprets physics regression failures using the 5 known bug patterns. Use when running tests, debugging test failures, or regenerating physics golden files.
Verifies and formats FeCIM physics/measurement claims against the project's published-source list and docs/4-research/honesty-audit.md. Use when adding a numeric claim, accuracy figure, or device-parameter assertion to code, docs, PR descriptions, or commit messages.
Enforces docs/4-research/honesty-audit.md policy by scanning PR diffs, READMEs, and presentation material for removed/unverified claims (87% MNIST, 30-states-as-fact, energy multipliers vs NAND/GPUs). Use before committing docs, PRs, or release notes that include accuracy or efficiency numbers.
Surveys FeCIM domain knowledge by searching references/, citations/, docs/4-research/, and the local Cognee KG, then synthesizes a cited research note. Use when investigating a physics topic, evaluating a paper, or grounding a design decision in literature.