feat: Pyodide Python runtime via OS-isolated Deno subprocess#124

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NeilMazumdar wants to merge 16 commits into

Hazzng:mainfrom

NeilMazumdar:feature/pyodide-python-runtime

Commits on Jun 9, 2026

docs: add Pyodide Python runtime QRSPI artifacts (#118)
NeilMazumdar
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Phase 0: Spikes (merge gates) — Pyodide-on-Deno, IPC integrity, per-child memory
NeilMazumdar
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Phase 1: python_runtime field — server-side break, rolling-safe (stdlib + null end-to-end)
NeilMazumdar
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Phase 2: python_runtime client & contract surfaces (SDKs, MCP, OpenAPI, docs)
NeilMazumdar
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Phase 3: offline assets + Deno harness (the untrusted side)
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Phase 4: Node-side PyodideSandbox manager + IPC client
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Phase 5: pyodide custom commands + file staging drain (core requirement)
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Phase 6: concurrency semaphore + atomic-admission residency LRU + memory posture
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Phase 7: adversarial escape + frame-forgery suite (security acceptance gate)
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Harden pyodide runtime per code review
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Address Codex + CodeRabbit PR review findings
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clients/ts: give thrown response-mapping errors a code property
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migrations: renumber python_runtime 0006 -> 0007
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feat(pyodide): preload matplotlib, fix asset pin, document runtime
Hazzng
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perf(pyodide): cut runtime memory ~1.6GB to ~1.1GB
Hazzng
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fix(pyodide): raise IPC frame caps so 128 MiB drains succeed (Phase 0)
Hazzng
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