Move poller to cmd/npm-cron/

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

.gitignore

@@ -1,5 +1,6 @@
 # Go binaries
 /npm-snoop
+/npm-cron
 /ast-diff
 /ast-diff-service
 

CLAUDE.md

@@ -4,7 +4,7 @@ Go cron job that tails the npm registry changes feed and records releases, metad
 
 ## Structure
 
-- `main.go` — the poller; all application logic is in this one file
+- `cmd/npm-cron/` — the poller cron job
 - `cmd/ast-diff/` — CLI tool for diffing symbols between two npm package versions
 - `cmd/ast-diff-service/` — Cloud Run service that receives release events and emits diff events
 - `internal/npm/` — npm registry client (metadata, tarball download, semver logic)

terraform/main.tf

@@ -153,7 +153,7 @@ module "cron" {
   schedule              = var.schedule
   service_account       = google_service_account.poller.email
   working_dir           = "${path.module}/.."
-  importpath            = "."
+  importpath            = "./cmd/npm-cron"
   notification_channels = []
   team                  = "npm-snoop"
   deletion_protection   = var.deletion_protection