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feat(protocol): negotiate Trace v3 with v2 compatibility

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Define Trace v3 wire types and generated schemas while keeping protocol
1.1 peers compatible with 1.0. Default record start still produces Trace
v2, and only an explicit trace_version=3 request enables the new shape.
Refs #90

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
“haonan”andCursor authored and GitHub committed 2026-08-22 17:01:15 +08:00
1 parent 2719e76438
commit 954078380c
32 files changed
+2573 -671
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apps/extension/src/lib/__tests__/connection-controller.test.ts
+14 -8
View File
@@ -27,19 +27,19 @@ function handshake(
describe("computeConnectedState (protocol-based compat)", () => {
it("returns connected when protocol strings match", () => {
expect(computeConnectedState(handshake("1.0", "1.0"), MIN_COMPATIBLE_PROTOCOL)).toEqual({
expect(computeConnectedState(handshake("1.1", "1.0"), MIN_COMPATIBLE_PROTOCOL)).toEqual({
kind: "connected",
});
});
it("returns version_skew when daemon protocol minor is newer", () => {
expect(computeConnectedState(handshake("1.1", "1.0"))).toEqual({
expect(computeConnectedState(handshake("1.2", "1.0"))).toEqual({
kind: "version_skew",
});
});
it("returns version_skew when daemon protocol string differs but floor is satisfied", () => {
expect(computeConnectedState(handshake("1", "1.0"))).toEqual({
expect(computeConnectedState(handshake("1.1.0", "1.0"))).toEqual({
kind: "version_skew",
});
});
@@ -53,7 +53,7 @@ describe("computeConnectedState (protocol-based compat)", () => {
});
it("rejects when extension is below daemon min_compatible_protocol", () => {
const result = computeConnectedState(handshake("1.0", "1.5"));
const result = computeConnectedState(handshake("1.1", "1.5"));
expect(result.kind).toBe("rejected");
if (result.kind === "rejected") {
expect(result.reason).toContain("min_compatible_protocol");
@@ -65,7 +65,7 @@ describe("computeConnectedState (protocol-based compat)", () => {
const result = computeConnectedState({
server: "browser-skill-daemon",
version: "0.1.0",
protocol_version: "1.0",
protocol_version: "1.1",
min_compatible_peer: "0.1.0",
});
expect(result).toEqual({ kind: "connected" });
@@ -79,8 +79,14 @@ describe("computeConnectedState (protocol-based compat)", () => {
}
});
it("returns version_skew when daemon protocol is 1.0 and floor is satisfied", () => {
expect(computeConnectedState(handshake("1.0", "1.0"))).toEqual({
kind: "version_skew",
});
});
it("rejects malformed daemon min_compatible_protocol with a daemon-floor reason", () => {
const result = computeConnectedState(handshake("1.0", "not-a-protocol"));
const result = computeConnectedState(handshake("1.1", "not-a-protocol"));
expect(result.kind).toBe("rejected");
if (result.kind === "rejected") {
expect(result.reason).toContain("daemon min_compatible_protocol");
@@ -242,11 +248,11 @@ describe("ConnectionController connectionEnabled", () => {
const second = transport.send.mock.calls[1]?.[0] as { id: string };
expect(second.id).not.toBe(first.id);
transport.emitMessage({ id: first.id, result: handshake("1.0", "1.0") });
transport.emitMessage({ id: first.id, result: handshake("1.1", "1.0") });
await Promise.resolve();
expect(controller.snapshot().state).not.toBe("connected");
transport.emitMessage({ id: second.id, result: handshake("1.0", "1.0") });
transport.emitMessage({ id: second.id, result: handshake("1.1", "1.0") });
await vi.waitFor(() => expect(controller.snapshot().state).toBe("connected"));
});
});