chore: delete dead telemetry-ingest edge function

telemetry-sync POSTs directly to Supabase REST API (/rest/v1/telemetry_events),
not through this edge function. Two ingest paths = maintenance burden for zero
value. Identified during eng review.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

supabase/functions/telemetry-ingest/index.ts

@@ -1,139 +0,0 @@
-// gstack telemetry-ingest edge function
-// Validates and inserts a batch of telemetry events.
-// Called by bin/gstack-telemetry-sync.
-
-import { createClient } from "https://esm.sh/@supabase/supabase-js@2";
-
-interface TelemetryEvent {
-  v: number;
-  ts: string;
-  event_type: string;
-  skill: string;
-  session_id?: string;
-  gstack_version: string;
-  os: string;
-  arch?: string;
-  duration_s?: number;
-  outcome: string;
-  error_class?: string;
-  error_message?: string;
-  failed_step?: string;
-  used_browse?: boolean;
-  sessions?: number;
-  installation_id?: string;
-}
-
-const MAX_BATCH_SIZE = 100;
-const MAX_PAYLOAD_BYTES = 50_000; // 50KB
-
-Deno.serve(async (req) => {
-  if (req.method !== "POST") {
-    return new Response("POST required", { status: 405 });
-  }
-
-  // Check payload size
-  const contentLength = parseInt(req.headers.get("content-length") || "0");
-  if (contentLength > MAX_PAYLOAD_BYTES) {
-    return new Response("Payload too large", { status: 413 });
-  }
-
-  try {
-    const body = await req.json();
-    const events: TelemetryEvent[] = Array.isArray(body) ? body : [body];
-
-    if (events.length > MAX_BATCH_SIZE) {
-      return new Response(`Batch too large (max ${MAX_BATCH_SIZE})`, { status: 400 });
-    }
-
-    const supabase = createClient(
-      Deno.env.get("SUPABASE_URL") ?? "",
-      Deno.env.get("SUPABASE_SERVICE_ROLE_KEY") ?? ""
-    );
-
-    // Validate and transform events
-    const rows = [];
-    const installationUpserts: Map<string, { version: string; os: string }> = new Map();
-
-    for (const event of events) {
-      // Required fields
-      if (!event.ts || !event.gstack_version || !event.os || !event.outcome) {
-        continue; // skip malformed
-      }
-
-      // Validate schema version
-      if (event.v !== 1) continue;
-
-      // Validate event_type
-      const validTypes = ["skill_run", "upgrade_prompted", "upgrade_completed"];
-      if (!validTypes.includes(event.event_type)) continue;
-
-      rows.push({
-        schema_version: event.v,
-        event_type: event.event_type,
-        gstack_version: String(event.gstack_version).slice(0, 20),
-        os: String(event.os).slice(0, 20),
-        arch: event.arch ? String(event.arch).slice(0, 20) : null,
-        event_timestamp: event.ts,
-        skill: event.skill ? String(event.skill).slice(0, 50) : null,
-        session_id: event.session_id ? String(event.session_id).slice(0, 50) : null,
-        duration_s: typeof event.duration_s === "number" ? event.duration_s : null,
-        outcome: String(event.outcome).slice(0, 20),
-        error_class: event.error_class ? String(event.error_class).slice(0, 100) : null,
-        error_message: event.error_message ? String(event.error_message).slice(0, 200) : null,
-        failed_step: event.failed_step ? String(event.failed_step).slice(0, 30) : null,
-        used_browse: event.used_browse === true,
-        concurrent_sessions: typeof event.sessions === "number" ? event.sessions : 1,
-        installation_id: event.installation_id ? String(event.installation_id).slice(0, 64) : null,
-      });
-
-      // Track installations for upsert
-      if (event.installation_id) {
-        installationUpserts.set(event.installation_id, {
-          version: event.gstack_version,
-          os: event.os,
-        });
-      }
-    }
-
-    if (rows.length === 0) {
-      return new Response(JSON.stringify({ inserted: 0 }), {
-        status: 200,
-        headers: { "Content-Type": "application/json" },
-      });
-    }
-
-    // Insert events
-    const { error: insertError } = await supabase
-      .from("telemetry_events")
-      .insert(rows);
-
-    if (insertError) {
-      return new Response(JSON.stringify({ error: insertError.message }), {
-        status: 500,
-        headers: { "Content-Type": "application/json" },
-      });
-    }
-
-    // Upsert installations (update last_seen)
-    for (const [id, data] of installationUpserts) {
-      await supabase
-        .from("installations")
-        .upsert(
-          {
-            installation_id: id,
-            last_seen: new Date().toISOString(),
-            gstack_version: data.version,
-            os: data.os,
-          },
-          { onConflict: "installation_id" }
-        );
-    }
-
-    return new Response(JSON.stringify({ inserted: rows.length }), {
-      status: 200,
-      headers: { "Content-Type": "application/json" },
-    });
-  } catch {
-    return new Response("Invalid request", { status: 400 });
-  }
-});