Revert "feat(stats): add user ids to inference metrics"

This reverts commit 428ae6d21a.

packages/console/app/src/routes/zen/util/handler.ts

@@ -697,7 +697,6 @@ export async function handler(
     logger.metric({
       api_key: data.apiKey,
       workspace: data.workspaceID,
-      user_id: data.user.id,
       ...(() => {
         if (data.billing.subscription)
           return {

packages/console/function/src/log-processor.ts

@@ -132,7 +132,6 @@ function toLakeEvent(time: string, data: Record<string, unknown>) {
     error_cause2: string(data, "error.cause2"),
     api_key: string(data, "api_key"),
     workspace: string(data, "workspace"),
-    user_id: string(data, "user_id"),
     is_subscription: boolean(data, "isSubscription"), // removed
     subscription: string(data, "subscription"),
     response_length: integer(data, "response_length"),

packages/stats/core/src/domain/inference.ts

@@ -75,7 +75,6 @@ WITH normalized AS (
     session,
     COALESCE(NULLIF(workspace, ''), '') AS workspace,
     COALESCE(NULLIF(api_key, ''), '') AS api_key,
-    COALESCE(NULLIF(user_id, ''), '') AS user_id,
     status,
     duration AS duration_ms,
     time_to_first_byte AS ttfb_ms,
@@ -117,7 +116,7 @@ WITH normalized AS (
     country,
     continent,
     session,
-    COALESCE(NULLIF(user_id, ''), NULLIF(workspace, ''), NULLIF(api_key, '')) AS user_key,
+    COALESCE(NULLIF(workspace, ''), NULLIF(api_key, '')) AS user_key,
     status,
     duration_ms,
     ttfb_ms,

packages/stats/core/src/honeycomb-backfill.ts

@@ -454,11 +454,7 @@ function baseAggregate(row: RawRow, grain: Grain, opts: ImportOptions): StatBase
     tier: tier(row),
     sessions: integer(row, "sessions", ["COUNT_DISTINCT(session)"]),
     requests: integer(row, "requests", ["COUNT", "COUNT()"]),
-    unique_users: integer(row, "unique_users", [
-      "COUNT_DISTINCT(user_id)",
-      "COUNT_DISTINCT(workspace)",
-      "COUNT_DISTINCT(api_key)",
-    ]),
+    unique_users: integer(row, "unique_users", ["COUNT_DISTINCT(workspace)", "COUNT_DISTINCT(api_key)"]),
     input_tokens: integer(row, "input_tokens", ["SUM(tokens.input)", "SUM(tokens_input)"]),
     output_tokens: integer(row, "output_tokens", ["SUM(tokens.output)", "SUM(tokens_output)"]),
     reasoning_tokens: integer(row, "reasoning_tokens", ["SUM(tokens.reasoning)", "SUM(tokens_reasoning)"]),