feat: persistent REPL, package auto-installer, plot solution button (v0.3.0) - #3
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…button (v0.3.0) Persistent REPL session (replSession.ts) - Single Julia process kept alive for the whole VS Code session - Code sent via stdin; unique end-sentinel per execution so outputs never bleed across runs - Startup code disables output truncation and Pkg precompile noise - Run Block now uses the session when ready → no 2-3s Julia startup cost on the second and subsequent runs - Falls back to one-shot subprocess on first run while session starts - New command: SciML: Restart Julia Session (refreshes the process) Package auto-installer (packageManager.ts) - On file open / save, scans for `using X` / `import X` statements - Asks Julia which packages are missing from the active environment - Offers a one-click notification: "Install X, Y, Z" - Runs Pkg.add inside the REPL session; shows status bar progress Plot Solution button (variableInspector.ts + extension.ts) - Variable inspector now shows 📈 button on any ODESolution / SDESolution / BVPSolution / OptimizationSolution binding - Clicking it runs `Plots.plot(varName)` in the REPL session and opens the result in the Plot Viewer side panel
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Summary
Persistent Julia REPL session (
replSession.ts) — keeps one Julia process alive for the whole VS Code session. Code is sent via stdin with a unique end-sentinel per run. Eliminates the ~2-3s startup cost after the first block run. Falls back to one-shot subprocess on the very first run while the session warms up. New command: SciML: Restart Julia Session.Package auto-installer (
packageManager.ts) — on file open/save, scansusing X/import Xstatements and checks which packages are missing. Offers a one-click notification to install them viaPkg.addinside the REPL session.Plot Solution button — the Variable Inspector now shows a 📈 button next to any
ODESolution,SDESolution,BVPSolution, orOptimizationSolutionbinding. Clicking it runsPlots.plot(varName)in the active REPL session and opens the result in the Plot Viewer.New files
src/replSession.tssrc/packageManager.tsTest plan
.jlfile → REPL session starts in background (no prompt)using Plotsnot installed → notification appears → click Install → installs successfullyODESolutionrow has 📈 button → click → Plot Viewer opensSciML: Restart Julia Session→ status bar shows restart message → session recoversnpx tsc -p .— no errors🤖 Generated with Claude Code