feat: service calendar UX, alert button, stats, auto delivery fixes, and more

- Service calendar: remove manual label input (auto-generates as "Type - Name"),
  add quick time buttons (7am/9am/11am/1pm/3pm), click-to-highlight date cell,
  orange Add Event button
- Alert button on customer profile always red (not conditional)
- Customer alert popup system (severity levels, confirm-to-dismiss for critical)
- Auto delivery finalize: async submit guards, race condition and null-check fixes
- Tank estimation: gallons-to-fill stat, K-factor slider hidden from non-admins,
  last fill / days-since-last-fill stat boxes
- Auto page: removed Confidence column (never meaningfully updates)
- Stats: 4-month chart on home, full-year weekly stats page, customer signups graph
- Delivery map: quick-date buttons, All Eligible mode, zip padding fix
- Ticket: past deliveries limit + a-/wc- prefix, 2-page print fix
- Address checker: OSM false-street fix, zip capture, street manager admin page
- Customer create: quick-town buttons for 15 service area towns
- Customer profile: map pin with popup
- Sidebar: Stats section, admin streets link

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Dockerfile.local

@@ -7,6 +7,7 @@ ENV VITE_AUTHORIZE_URL="http://192.168.1.204:9616"
 ENV VITE_VOIPMS_URL="http://192.168.1.204:9617"
 ENV VITE_SERVICE_URL="http://192.168.1.204:9615"
 ENV VITE_ADDRESS_CHECKER_URL="http://192.168.1.204:9618"
+ENV VITE_SCRAPER_URL="http://192.168.1.204:9619"
 ENV VITE_COMPANY_ID='1'