Revert "feat(chat): live turn metrics — telemetry reducer + rendering"

This reverts commit 9a4fc0aa0b56e7bb083ecc615647ed8f6b2ef4c2.

2 files changed, 2 insertions, 14 deletions

diff --git a/src/core/wire/conformance.test.ts b/src/core/wire/conformance.test.ts
index 690ba4e..50b7f35 100644
--- a/src/core/wire/conformance.test.ts
+++ b/src/core/wire/conformance.test.ts
@@ -62,15 +62,6 @@ describe("classifies every AgentEvent type", () => {
 			turnId: "t1",
 			usage: { inputTokens: 10, outputTokens: 20 },
 		},
-		{
-			type: "step-complete",
-			conversationId: "c1",
-			turnId: "t1",
-			stepId: "t1#0" as StepId,
-			ttftMs: 300,
-			decodeMs: 700,
-			genTotalMs: 1000,
-		},
 		{ type: "error", conversationId: "c1", turnId: "t1", message: "oops" },
 		{ type: "done", conversationId: "c1", turnId: "t1", reason: "complete" },
 		{ type: "turn-sealed", conversationId: "c1", turnId: "t1" },
@@ -87,15 +78,14 @@ describe("classifies every AgentEvent type", () => {
 			"tool-result",
 			"tool-output",
 			"usage",
-			"step-complete",
 			"error",
 			"done",
 			"turn-sealed",
 		]);
 	});
 
-	it("covers all 12 AgentEvent variants", () => {
-		expect(samples).toHaveLength(12);
+	it("covers all 11 AgentEvent variants", () => {
+		expect(samples).toHaveLength(11);
 	});
 });
 
diff --git a/src/core/wire/conformance.ts b/src/core/wire/conformance.ts
index d89772e..5d75a60 100644
--- a/src/core/wire/conformance.ts
+++ b/src/core/wire/conformance.ts
@@ -30,8 +30,6 @@ export function assertAgentEventExhaustive(event: AgentEvent): string {
 			return "done";
 		case "turn-sealed":
 			return "turn-sealed";
-		case "step-complete":
-			return "step-complete";
 		default:
 			return event satisfies never;
 	}