feat(truapi-debugger): loopback WebSocket server and web inspector - #537
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feat(truapi-debugger): loopback WebSocket server and web inspector#537decrypto21 wants to merge 1 commit into
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Stacked on the engine PR. Design doc: #315.
The standalone inspector: a loopback WS + HTTP server the host dials, serving a Network-tab-style web inspector. Three files.
What
v,codec,schema,channelId, product-vantagedir, base64frame,dropped. Every refusal is counted and surfaced on/stats; a silently discarded envelope is indistinguishable from a host that never dialled./traces,/op-list,/stats,/op,/view,/frame. The page renders from these, and any other client (a script,curl, a headless check) goes through the same ones, so no two consumers can disagree.Originis a loopback host (a cross-origin page can otherwise dial a loopback server and drive the decoder); rejects requests whoseHostis not an exact loopback name (DNS rebinding); caps payload size. TheOriginallowlist excludes the product sandbox realm, which is a legitimate origin for a page that dials in but must never be trusted to inject frames.What it looks like
Aggregate summary strip, operation list with filter/sort/channel pills and health badges:
Opening an operation decodes every frame to its SCALE-typed value inline — no click-to-decode, no toggle, because a dev-only tool decodes everything by default:
Verification
tsc -bclean, 157 tests. The origin and Host gates are unit-tested separately from the server, across uppercase, trailing dots, punycode, IPv6, embedded credentials and integer IPv4 forms.